#earthobservation — Public Fediverse posts

ESA launches two climate observation satellites.

The European Space Agency has put two satellites into orbit to take a closer look at the impact of climate change. One of them will focus particularly on plant life.

https://mediafaro.org/article/20260915-esa-launches-two-climate-observation-satellites?mf_channel=mastodon&action=forward

#ESA #ClimateChange #Space #Satellites #Aerospace #EarthObservation #Europe #Science

The United States Is Replacing Every Official Latitude, Longitude And Height It Publishes, Existing Coordinates Will Move By As Much As Four Metres, And The Million Survey Marks In The Ground Will No Longer Be What The System Is Measured From
--
https://spacedaily.com/s-the-united-states-is-replacing-every-official-latitude-longitude-and-height-it-publishes-existing-coordinates-will-move-by-as-much-as-four-metres-and-the-million-survey-marks-in-the-ground-will-no/ <-- shared technical article
--
https://beta.ngs.noaa.gov/ <-- shared NGS NSRS Beta Product Release Site
--
http://alturl.com/wuzcg <-- shared NOAA/NGS β SPCS2022 online interactive map
--
https://geodesy.noaa.gov/ <-- shared NOAA National Geodetic Survey (NGS) home page
--
https://crops.extension.iastate.edu/post/what-you-need-know-about-2026-datum-shift-gps <-- shared technical article, ‘What You Need to Know About the 202[7] Datum Shift (GPS)’
--
https://geodesy.noaa.gov/GRAV-D/ <-- shared Gravity for the Redefinition of the American Vertical Datum (GRAV-D) home page
--
https://www.federalregister.gov/documents/2024/10/09/2024-23347/updated-implementation-timeline-for-the-modernized-national-spatial-reference-system-nsrs <-- shared US Federal Register page, ‘Updated Implementation Timeline for the Modernized National Spatial Reference System (NSRS)’
--
“The National Geodetic Survey has spent years building a replacement for the reference system that fixes every published position in the country. New geodetic-control submissions into the old system stop being accepted after January 13, 2027…
Every official latitude, longitude and height published in the United States is going to change, by as much as four metres. The ground being described will not have moved at all. What is being replaced is the reference system those numbers are counted from.
The National Geodetic Survey is retiring the North American Datum of 1983 [NAD83] and the North American Vertical Datum of 1988 [NGVD88.] Those are the horizontal and vertical reference systems that currently underpin surveying, flood mapping, construction and aviation across the country. In their place will come four new terrestrial reference frames and one new geopotential datum. The agency has kept the national reference system since its predecessor, the Survey of the Coast, was founded in 1807.
|| The reference surface is what is changing ||
... A coordinate is not a property of a place; it is a measurement of that place against an agreed reference surface. The United States is changing the reference surface. The four metres is the gap between two descriptions of the same unmoved point.
That figure is not uniform either, and the agency does not present it as a single national number. Its guidance says the magnitude of change depends on which datum a user currently works in, where in the country they are, and which epoch the new coordinates refer to. Four metres is the outer edge of the range. NGS publishes separate maps for ellipsoid height change, orthometric height change, and horizontal change on the North American and Pacific plates…”
#GEOID2022 #GeospatialDataAct2018 #GRAVD #GeMS # NAPGD2022 #NSRS #GNSS #GPS #earthfacing #earthobservation #USA #Nation #NATRF2022 #PATRF2022 #CATRF2022 #MATRF2022 #NAPGD2022 #GEOID2022 #SPCS2022 #geoid #latitude #longitude #height #elevation #reference #datums #coordinates #XYZ #control #GIS #spatial #mapping #fedscience #fedservice
@USGS @FGDC @ngs @NOAA

The United States Is Replacing Every Official Latitude, Longitude And Height It Publishes, Existing Coordinates Will Move By As Much As Four Metres, And The Million Survey Marks In The Ground Will No Longer Be What The System Is Measured From
--
https://spacedaily.com/s-the-united-states-is-replacing-every-official-latitude-longitude-and-height-it-publishes-existing-coordinates-will-move-by-as-much-as-four-metres-and-the-million-survey-marks-in-the-ground-will-no/ <-- shared technical article
--
https://beta.ngs.noaa.gov/ <-- shared NGS NSRS Beta Product Release Site
--
http://alturl.com/wuzcg <-- shared NOAA/NGS β SPCS2022 online interactive map
--
https://geodesy.noaa.gov/ <-- shared NOAA National Geodetic Survey (NGS) home page
--
https://crops.extension.iastate.edu/post/what-you-need-know-about-2026-datum-shift-gps <-- shared technical article, ‘What You Need to Know About the 202[7] Datum Shift (GPS)’
--
https://geodesy.noaa.gov/GRAV-D/ <-- shared Gravity for the Redefinition of the American Vertical Datum (GRAV-D) home page
--
https://www.federalregister.gov/documents/2024/10/09/2024-23347/updated-implementation-timeline-for-the-modernized-national-spatial-reference-system-nsrs <-- shared US Federal Register page, ‘Updated Implementation Timeline for the Modernized National Spatial Reference System (NSRS)’
--
“The National Geodetic Survey has spent years building a replacement for the reference system that fixes every published position in the country. New geodetic-control submissions into the old system stop being accepted after January 13, 2027…
Every official latitude, longitude and height published in the United States is going to change, by as much as four metres. The ground being described will not have moved at all. What is being replaced is the reference system those numbers are counted from.
The National Geodetic Survey is retiring the North American Datum of 1983 [NAD83] and the North American Vertical Datum of 1988 [NGVD88.] Those are the horizontal and vertical reference systems that currently underpin surveying, flood mapping, construction and aviation across the country. In their place will come four new terrestrial reference frames and one new geopotential datum. The agency has kept the national reference system since its predecessor, the Survey of the Coast, was founded in 1807.
|| The reference surface is what is changing ||
... A coordinate is not a property of a place; it is a measurement of that place against an agreed reference surface. The United States is changing the reference surface. The four metres is the gap between two descriptions of the same unmoved point.
That figure is not uniform either, and the agency does not present it as a single national number. Its guidance says the magnitude of change depends on which datum a user currently works in, where in the country they are, and which epoch the new coordinates refer to. Four metres is the outer edge of the range. NGS publishes separate maps for ellipsoid height change, orthometric height change, and horizontal change on the North American and Pacific plates…”
#GEOID2022 #GeospatialDataAct2018 #GRAVD #GeMS # NAPGD2022 #NSRS #GNSS #GPS #earthfacing #earthobservation #USA #Nation #NATRF2022 #PATRF2022 #CATRF2022 #MATRF2022 #NAPGD2022 #GEOID2022 #SPCS2022 #geoid #latitude #longitude #height #elevation #reference #datums #coordinates #XYZ #control #GIS #spatial #mapping #fedscience #fedservice
@USGS @FGDC @ngs @NOAA

The United States Is Replacing Every Official Latitude, Longitude And Height It Publishes, Existing Coordinates Will Move By As Much As Four Metres, And The Million Survey Marks In The Ground Will No Longer Be What The System Is Measured From
--
https://spacedaily.com/s-the-united-states-is-replacing-every-official-latitude-longitude-and-height-it-publishes-existing-coordinates-will-move-by-as-much-as-four-metres-and-the-million-survey-marks-in-the-ground-will-no/ <-- shared technical article
--
https://beta.ngs.noaa.gov/ <-- shared NGS NSRS Beta Product Release Site
--
http://alturl.com/wuzcg <-- shared NOAA/NGS β SPCS2022 online interactive map
--
https://geodesy.noaa.gov/ <-- shared NOAA National Geodetic Survey (NGS) home page
--
https://crops.extension.iastate.edu/post/what-you-need-know-about-2026-datum-shift-gps <-- shared technical article, ‘What You Need to Know About the 202[7] Datum Shift (GPS)’
--
https://geodesy.noaa.gov/GRAV-D/ <-- shared Gravity for the Redefinition of the American Vertical Datum (GRAV-D) home page
--
https://www.federalregister.gov/documents/2024/10/09/2024-23347/updated-implementation-timeline-for-the-modernized-national-spatial-reference-system-nsrs <-- shared US Federal Register page, ‘Updated Implementation Timeline for the Modernized National Spatial Reference System (NSRS)’
--
“The National Geodetic Survey has spent years building a replacement for the reference system that fixes every published position in the country. New geodetic-control submissions into the old system stop being accepted after January 13, 2027…
Every official latitude, longitude and height published in the United States is going to change, by as much as four metres. The ground being described will not have moved at all. What is being replaced is the reference system those numbers are counted from.
The National Geodetic Survey is retiring the North American Datum of 1983 [NAD83] and the North American Vertical Datum of 1988 [NGVD88.] Those are the horizontal and vertical reference systems that currently underpin surveying, flood mapping, construction and aviation across the country. In their place will come four new terrestrial reference frames and one new geopotential datum. The agency has kept the national reference system since its predecessor, the Survey of the Coast, was founded in 1807.
|| The reference surface is what is changing ||
... A coordinate is not a property of a place; it is a measurement of that place against an agreed reference surface. The United States is changing the reference surface. The four metres is the gap between two descriptions of the same unmoved point.
That figure is not uniform either, and the agency does not present it as a single national number. Its guidance says the magnitude of change depends on which datum a user currently works in, where in the country they are, and which epoch the new coordinates refer to. Four metres is the outer edge of the range. NGS publishes separate maps for ellipsoid height change, orthometric height change, and horizontal change on the North American and Pacific plates…”
#GEOID2022 #GeospatialDataAct2018 #GRAVD #GeMS # NAPGD2022 #NSRS #GNSS #GPS #earthfacing #earthobservation #USA #Nation #NATRF2022 #PATRF2022 #CATRF2022 #MATRF2022 #NAPGD2022 #GEOID2022 #SPCS2022 #geoid #latitude #longitude #height #elevation #reference #datums #coordinates #XYZ #control #GIS #spatial #mapping #fedscience #fedservice
@USGS @FGDC @ngs @NOAA

The United States Is Replacing Every Official Latitude, Longitude And Height It Publishes, Existing Coordinates Will Move By As Much As Four Metres, And The Million Survey Marks In The Ground Will No Longer Be What The System Is Measured From
--
https://spacedaily.com/s-the-united-states-is-replacing-every-official-latitude-longitude-and-height-it-publishes-existing-coordinates-will-move-by-as-much-as-four-metres-and-the-million-survey-marks-in-the-ground-will-no/ <-- shared technical article
--
https://beta.ngs.noaa.gov/ <-- shared NGS NSRS Beta Product Release Site
--
http://alturl.com/wuzcg <-- shared NOAA/NGS β SPCS2022 online interactive map
--
https://geodesy.noaa.gov/ <-- shared NOAA National Geodetic Survey (NGS) home page
--
https://crops.extension.iastate.edu/post/what-you-need-know-about-2026-datum-shift-gps <-- shared technical article, ‘What You Need to Know About the 202[7] Datum Shift (GPS)’
--
https://geodesy.noaa.gov/GRAV-D/ <-- shared Gravity for the Redefinition of the American Vertical Datum (GRAV-D) home page
--
https://www.federalregister.gov/documents/2024/10/09/2024-23347/updated-implementation-timeline-for-the-modernized-national-spatial-reference-system-nsrs <-- shared US Federal Register page, ‘Updated Implementation Timeline for the Modernized National Spatial Reference System (NSRS)’
--
“The National Geodetic Survey has spent years building a replacement for the reference system that fixes every published position in the country. New geodetic-control submissions into the old system stop being accepted after January 13, 2027…
Every official latitude, longitude and height published in the United States is going to change, by as much as four metres. The ground being described will not have moved at all. What is being replaced is the reference system those numbers are counted from.
The National Geodetic Survey is retiring the North American Datum of 1983 [NAD83] and the North American Vertical Datum of 1988 [NGVD88.] Those are the horizontal and vertical reference systems that currently underpin surveying, flood mapping, construction and aviation across the country. In their place will come four new terrestrial reference frames and one new geopotential datum. The agency has kept the national reference system since its predecessor, the Survey of the Coast, was founded in 1807.
|| The reference surface is what is changing ||
... A coordinate is not a property of a place; it is a measurement of that place against an agreed reference surface. The United States is changing the reference surface. The four metres is the gap between two descriptions of the same unmoved point.
That figure is not uniform either, and the agency does not present it as a single national number. Its guidance says the magnitude of change depends on which datum a user currently works in, where in the country they are, and which epoch the new coordinates refer to. Four metres is the outer edge of the range. NGS publishes separate maps for ellipsoid height change, orthometric height change, and horizontal change on the North American and Pacific plates…”
#GEOID2022 #GeospatialDataAct2018 #GRAVD #GeMS # NAPGD2022 #NSRS #GNSS #GPS #earthfacing #earthobservation #USA #Nation #NATRF2022 #PATRF2022 #CATRF2022 #MATRF2022 #NAPGD2022 #GEOID2022 #SPCS2022 #geoid #latitude #longitude #height #elevation #reference #datums #coordinates #XYZ #control #GIS #spatial #mapping #fedscience #fedservice
@USGS @FGDC @ngs @NOAA

The United States Is Replacing Every Official Latitude, Longitude And Height It Publishes, Existing Coordinates Will Move By As Much As Four Metres, And The Million Survey Marks In The Ground Will No Longer Be What The System Is Measured From
--
https://spacedaily.com/s-the-united-states-is-replacing-every-official-latitude-longitude-and-height-it-publishes-existing-coordinates-will-move-by-as-much-as-four-metres-and-the-million-survey-marks-in-the-ground-will-no/ <-- shared technical article
--
https://beta.ngs.noaa.gov/ <-- shared NGS NSRS Beta Product Release Site
--
http://alturl.com/wuzcg <-- shared NOAA/NGS β SPCS2022 online interactive map
--
https://geodesy.noaa.gov/ <-- shared NOAA National Geodetic Survey (NGS) home page
--
https://crops.extension.iastate.edu/post/what-you-need-know-about-2026-datum-shift-gps <-- shared technical article, ‘What You Need to Know About the 202[7] Datum Shift (GPS)’
--
https://geodesy.noaa.gov/GRAV-D/ <-- shared Gravity for the Redefinition of the American Vertical Datum (GRAV-D) home page
--
https://www.federalregister.gov/documents/2024/10/09/2024-23347/updated-implementation-timeline-for-the-modernized-national-spatial-reference-system-nsrs <-- shared US Federal Register page, ‘Updated Implementation Timeline for the Modernized National Spatial Reference System (NSRS)’
--
“The National Geodetic Survey has spent years building a replacement for the reference system that fixes every published position in the country. New geodetic-control submissions into the old system stop being accepted after January 13, 2027…
Every official latitude, longitude and height published in the United States is going to change, by as much as four metres. The ground being described will not have moved at all. What is being replaced is the reference system those numbers are counted from.
The National Geodetic Survey is retiring the North American Datum of 1983 [NAD83] and the North American Vertical Datum of 1988 [NGVD88.] Those are the horizontal and vertical reference systems that currently underpin surveying, flood mapping, construction and aviation across the country. In their place will come four new terrestrial reference frames and one new geopotential datum. The agency has kept the national reference system since its predecessor, the Survey of the Coast, was founded in 1807.
|| The reference surface is what is changing ||
... A coordinate is not a property of a place; it is a measurement of that place against an agreed reference surface. The United States is changing the reference surface. The four metres is the gap between two descriptions of the same unmoved point.
That figure is not uniform either, and the agency does not present it as a single national number. Its guidance says the magnitude of change depends on which datum a user currently works in, where in the country they are, and which epoch the new coordinates refer to. Four metres is the outer edge of the range. NGS publishes separate maps for ellipsoid height change, orthometric height change, and horizontal change on the North American and Pacific plates…”
#GEOID2022 #GeospatialDataAct2018 #GRAVD #GeMS # NAPGD2022 #NSRS #GNSS #GPS #earthfacing #earthobservation #USA #Nation #NATRF2022 #PATRF2022 #CATRF2022 #MATRF2022 #NAPGD2022 #GEOID2022 #SPCS2022 #geoid #latitude #longitude #height #elevation #reference #datums #coordinates #XYZ #control #GIS #spatial #mapping #fedscience #fedservice
@USGS @FGDC @ngs @NOAA

Satellite view of Ohio — 2026-09-13
Imagery: MODIS_Terra_CorrectedReflectance_TrueColor
https://worldview.earthdata.nasa.gov/?v=-84.82,38.4,-80.52,42.32&l=MODIS_Terra_CorrectedReflectance_TrueColor&t=2026-09-13

Imagery: NASA GIBS #satellite #NASA #EarthObservation

Satellite view of Ohio — 2026-09-13
Imagery: MODIS_Terra_CorrectedReflectance_TrueColor
https://worldview.earthdata.nasa.gov/?v=-84.82,38.4,-80.52,42.32&l=MODIS_Terra_CorrectedReflectance_TrueColor&t=2026-09-13

Imagery: NASA GIBS #satellite #NASA #EarthObservation

Satellite view of Ohio — 2026-09-13
Imagery: MODIS_Terra_CorrectedReflectance_TrueColor
https://worldview.earthdata.nasa.gov/?v=-84.82,38.4,-80.52,42.32&l=MODIS_Terra_CorrectedReflectance_TrueColor&t=2026-09-13

Imagery: NASA GIBS #satellite #NASA #EarthObservation

Satellite view of Ohio — 2026-09-13
Imagery: MODIS_Terra_CorrectedReflectance_TrueColor
https://worldview.earthdata.nasa.gov/?v=-84.82,38.4,-80.52,42.32&l=MODIS_Terra_CorrectedReflectance_TrueColor&t=2026-09-13

Imagery: NASA GIBS #satellite #NASA #EarthObservation

Satellite view of Ohio — 2026-09-13
Imagery: MODIS_Terra_CorrectedReflectance_TrueColor
https://worldview.earthdata.nasa.gov/?v=-84.82,38.4,-80.52,42.32&l=MODIS_Terra_CorrectedReflectance_TrueColor&t=2026-09-13

Imagery: NASA GIBS #satellite #NASA #EarthObservation

Spying on "reconnaissance spacecraft" in geostationary orbit (GEO), is gaining momentum.

Company Astranis building Perceptor spacecraft designed to capture satellite activity in GEO orbits.

FYI, GEO is typically 35,786kms/22,236 miles above Earth ... popular for communications, weather and "reconnaissance" satellites. https://www.space.com/space-exploration/satellites/astranis-perceptor-satellites-geostationary-orbit-space-situational-awareness #Space #Satellite #GEO #GeostationaryOrbit #Perceptor #Astranis #Spacecraft #Reconnaissance #Sensors #OpticalSensors #USSF #EarthObservation #USGov

Spying on "reconnaissance spacecraft" in geostationary orbit (GEO), is gaining momentum.

Company Astranis building Perceptor spacecraft designed to capture satellite activity in GEO orbits.

FYI, GEO is typically 35,786kms/22,236 miles above Earth ... popular for communications, weather and "reconnaissance" satellites. https://www.space.com/space-exploration/satellites/astranis-perceptor-satellites-geostationary-orbit-space-situational-awareness #Space #Satellite #GEO #GeostationaryOrbit #Perceptor #Astranis #Spacecraft #Reconnaissance #Sensors #OpticalSensors #USSF #EarthObservation #USGov

Spying on "reconnaissance spacecraft" in geostationary orbit (GEO), is gaining momentum.

Company Astranis building Perceptor spacecraft designed to capture satellite activity in GEO orbits.

FYI, GEO is typically 35,786kms/22,236 miles above Earth ... popular for communications, weather and "reconnaissance" satellites. https://www.space.com/space-exploration/satellites/astranis-perceptor-satellites-geostationary-orbit-space-situational-awareness #Space #Satellite #GEO #GeostationaryOrbit #Perceptor #Astranis #Spacecraft #Reconnaissance #Sensors #OpticalSensors #USSF #EarthObservation #USGov

Spying on "reconnaissance spacecraft" in geostationary orbit (GEO), is gaining momentum.

Company Astranis building Perceptor spacecraft designed to capture satellite activity in GEO orbits.

FYI, GEO is typically 35,786kms/22,236 miles above Earth ... popular for communications, weather and "reconnaissance" satellites. https://www.space.com/space-exploration/satellites/astranis-perceptor-satellites-geostationary-orbit-space-situational-awareness #Space #Satellite #GEO #GeostationaryOrbit #Perceptor #Astranis #Spacecraft #Reconnaissance #Sensors #OpticalSensors #USSF #EarthObservation #USGov

Spying on "reconnaissance spacecraft" in geostationary orbit (GEO), is gaining momentum.

Company Astranis building Perceptor spacecraft designed to capture satellite activity in GEO orbits.

FYI, GEO is typically 35,786kms/22,236 miles above Earth ... popular for communications, weather and "reconnaissance" satellites. https://www.space.com/space-exploration/satellites/astranis-perceptor-satellites-geostationary-orbit-space-situational-awareness #Space #Satellite #GEO #GeostationaryOrbit #Perceptor #Astranis #Spacecraft #Reconnaissance #Sensors #OpticalSensors #USSF #EarthObservation #USGov

"17 amazing photos taken from the International Space Station – lightning looks crazy from orbit!" by @Spacecom - Day, night and solar eclipse images by astronauts on #ISS show what an awesome view there is up there. https://www.skyatnightmagazine.com/space-missions/amazing-photos-taken-from-the-international-space-station #NASA #space #photography #EarthObservation #OverviewEffect #spacegeek

"17 amazing photos taken from the International Space Station – lightning looks crazy from orbit!" by @Spacecom - Day, night and solar eclipse images by astronauts on #ISS show what an awesome view there is up there. https://www.skyatnightmagazine.com/space-missions/amazing-photos-taken-from-the-international-space-station #NASA #space #photography #EarthObservation #OverviewEffect #spacegeek

"17 amazing photos taken from the International Space Station – lightning looks crazy from orbit!" by @Spacecom - Day, night and solar eclipse images by astronauts on #ISS show what an awesome view there is up there. https://www.skyatnightmagazine.com/space-missions/amazing-photos-taken-from-the-international-space-station #NASA #space #photography #EarthObservation #OverviewEffect #spacegeek

"17 amazing photos taken from the International Space Station – lightning looks crazy from orbit!" by @Spacecom - Day, night and solar eclipse images by astronauts on #ISS show what an awesome view there is up there. https://www.skyatnightmagazine.com/space-missions/amazing-photos-taken-from-the-international-space-station #NASA #space #photography #EarthObservation #OverviewEffect #spacegeek

"17 amazing photos taken from the International Space Station – lightning looks crazy from orbit!" by @Spacecom - Day, night and solar eclipse images by astronauts on #ISS show what an awesome view there is up there. https://www.skyatnightmagazine.com/space-missions/amazing-photos-taken-from-the-international-space-station #NASA #space #photography #EarthObservation #OverviewEffect #spacegeek

https://www.europesays.com/dk/165450/ Copenhagen, Denmark | EU Space Policy #Copenhagen #EarthObservation #ForestryAndBiodiversity

Missed the OpenGeoHub Earth Observation Summer School 2026? 🛰️

You can now explore the slides, links, and other course materials from the sessions in one place:

https://github.com/Nowosad/OGH_summer_school_2026

#EarthObservation #RemoteSensing #Geospatial #OpenGeoHub

Missed the OpenGeoHub Earth Observation Summer School 2026? 🛰️

You can now explore the slides, links, and other course materials from the sessions in one place:

https://github.com/Nowosad/OGH_summer_school_2026

#EarthObservation #RemoteSensing #Geospatial #OpenGeoHub

Missed the OpenGeoHub Earth Observation Summer School 2026? 🛰️

You can now explore the slides, links, and other course materials from the sessions in one place:

https://github.com/Nowosad/OGH_summer_school_2026

#EarthObservation #RemoteSensing #Geospatial #OpenGeoHub

Missed the OpenGeoHub Earth Observation Summer School 2026? 🛰️

You can now explore the slides, links, and other course materials from the sessions in one place:

https://github.com/Nowosad/OGH_summer_school_2026

#EarthObservation #RemoteSensing #Geospatial #OpenGeoHub

Missed the OpenGeoHub Earth Observation Summer School 2026? 🛰️

You can now explore the slides, links, and other course materials from the sessions in one place:

https://github.com/Nowosad/OGH_summer_school_2026

#EarthObservation #RemoteSensing #Geospatial #OpenGeoHub

Peatlands around Pärnu, Estonia | EU Space Support Office https://www.byteseu.com/2361525/ #EarthObservation #Estonia

https://www.europesays.com/uk/1201474/ Peatlands around Pärnu, Estonia | EU Space Support Office #EarthObservation #EU #Europe #European #EuropeanUnion

https://www.europesays.com/ch/130072/ Snowfall in the Alps currently in line with historical averages #Alps #EarthObservation #EnergyAndEnvironment

Cities In Great Britain Most Vulnerable To Extreme Heat Revealed
(OS index examines which ‘urban heat islands’ suffer the most – and which cope the best with rising temperatures)
--
https://www.theguardian.com/environment/2026/sep/08/cities-great-britain-most-vulnerable-extreme-heat-revealed <-- shared media article
--
https://www.ordnancesurvey.co.uk/news/new-urban-heat-islands-analysis <-- shared technical article, OS Heat Vulnerability Index
--
H/T @joe Clarkson | Campaign Manager - Diffusion PR
“[The H/T] work[ed] … closely with Ordnance Survey (OS) on new research into which of Britain's cities are most vulnerable to retaining extreme heat, and how that vulnerability shifts between now and the turn of the century as record temperatures continue to climb…
The newly commissioned OS Heat Vulnerability Index scored 71 cities across Britain using #4EI satellite temperature readings, @Met Office climate modelling projections from 2040 to 2100, and Ordnance Survey data on the makeup of natural and made environments in our cities. Put together, it measures how global warming will impact future heat vulnerability, and how urban heat islands form; a process in which hard surfaces absorb solar radiation through the day to keep centres warm overnight, while rural environments cool.
Anyone who has been unfortunate enough to stand on a Tube platform or walk through central London this summer, or tried to sleep through a heatwave in a flat that hasn't cooled in months already knows what retained heat feels like. But it's more than an uncomfortable feeling. Extreme heat is claiming an increasing number of lives each year, and location-based intelligence like this is essential to support decisions on how we effectively mitigate and protect against climate change to save lives and protect critical infrastructure.
What this analysis does is put a number on extreme heat, and shows where it's heading. As Britain's climate continues to warm, the capacity of our cities to cool themselves naturally will only matter more…”
#ClimateChange #Heat #UrbanHeat #Heatwave #Climate #Warming #Infrastructure #London #Portsmouth #Resilience #OrdnanceSurvey #Geospatial #Data #extremeweather #extremeweather #publichealth #publicsafety #deaths #UK #GreatBritain #OS #HeatVulnerabilityIndex #vulnerability #spatialanalysis #mapping #model #modeling #analysis #spatiotemporal #climate #climatemodeling #spatial #mapping #remotesensing #earthobservation #solarradiation #natural #manmade #retainedheat #mitigation #planning #policy #infrastructure #concrete #asphalt #buildings #hardsurfaces #globalwarming #urbanheatislands #cities #urban
@Ordnance Survey

Isnt it harder to find in-depth, information on geospatial tech, which is why I want to share a fantastic independent resource:

https://rsandgis.me/

Run by a geospatial expert, its an blog currently focused heavily on RS and GIS, machine learning and modern spatial data workflows. It completely bridges the gap between Earth sciences and modern programming.

https://rsandgis.me/

#GIS #RemoteSensing #GeoAI #EarthObservation #Python #QGIS #SpatialAnalysis #DataScience #LiDAR #OpenScience

In 2025, an area equivalent to **eight Norways** burned across the planet.

That sounds like a catastrophe.
- It isn't quite that simple.

Not every fire is a disaster. Some are natural. Some are deliberate. Some are tiny. Some are enormous.

So what actually happened?

Our latest feature digs into the satellite data behind **265 million hectares of recorded burned area** — and asks a more interesting question than simply *how many fires were there?*

**What the hell was actually going on?**

🔥 **EIGHT NORWAYS BURNED IN ONE YEAR**
A new feature from RABAGAS Magazine.
https://rabagas.ghost.io/eight-norways-burned-in-one-year/

#Rabagasmagazine #Wildfires #ClimateScience #EarthObservation #ClimateCrisis #SatelliteData #DataJournalism #Climate

Nepal glacier collapse and flood (after)

#china #earthexplorer #earthfromspace #earthobservation #esa #europeanspaceagency #glaciercollapse #landsat9

▶️ 1 new picture from ESA (Flickr) https://commons.wikimedia.org/wiki/File:Nepal_glacier_collapse_and_flood_%28after%29_%2855504451912%29.jpg

Essential Earth Observation Variables For High-Level Multi-Scale Indicators And Policies
--
https://doi.org/10.1016/j.envsci.2021.12.024 <-- shared paper
--
https://earthobservations.org/about-us/news/remembering-paolo-mazzetti-a-legacy-of-science-kindness-and-collaboration <-- shared author memorial
--
H/T @Paolo Mazzetti | Senior Researcher at the Institute of Technologies and Environmental Intelligence (ITIAm) of CNR
“HIGHLIGHTS:
• Defining Essential Variables (EVs) to describe the global socio-ecological system.
• Setting the objectives of a new Group on Earth Observation (GEO) community activity on EVs.
• Defining criteria for selecting EVs.
• Demonstrating a fully functional workflow on land degradation.
• Presenting a new vision for the mainstreaming of EVs in science-policy interfaces..."
#Earthobservations #Essentialvariables #Indicators #Workflows #Sustainabledevelopmentgoals #Policy #earthobservation #essentialvariables #Indicators #Workflow #sustainabledevelopmentgoals #SDGs #policy #spatial #mapping #remotesensing #EVs #GroupOnEarthObservation #GEO #socioecological #sustainability #earthsystems #Drivers #Pressures #States #Impacts #Responses #sustainability #monitoring #observations #organisation #GlobalEarthObservationSystemofSystems #overview #review #literaturereview #environmental #Essentiality #Evolvability #Unambiguity #Feasibility #ecologicalfootprinting #viability

Impact Of Urbanization Driven Land Use And Land Cover Change On Ecological Environmental Quality In Rupandehi Nepal Assessed Using The Remote Sensing Ecological Index
--
https://doi.org/10.1007/s44288-026-00650-y <-- shared paper
--
https://kathmandupost.com/money/2026/02/18/rupandehi-s-continued-urban-sprawl-comes-at-a-cost-for-agriculture-in-the-periphery <-- shared media article
--
H/T@ Gaurav Parajulim
“[The authors] studied how the ecological quality of Nepal's Rupandehi District has changed over three decades (1993–2023), using satellite imagery and the Remote Sensing Ecological Index (RSEI) to track the health of the landscape year by year and to understand how urbanization-driven land use change has reshaped it.
What [they] found tells a nuanced story: as Butwal and Bhairahawa grew and built-up land expanded, ecological quality shifted in ways that a single number can't capture, some areas recovered, others declined, and the patterns rarely moved in a straight line…”
--
“Rapid urbanization and population growth are major drivers of land use and land cover (LULC) change and can substantially alter ecological environmental quality (EEQ). This study assessed the spatiotemporal dynamics of LULC and their effect on EEQ in Rupandehi District, Nepal, over a 30-year period (1993–2023). Four ecological indicators representing greenness, wetness, dryness, and heat were derived from Landsat imagery in Google Earth Engine (GEE), and LULC was classified using a Support Vector Machine (SVM). The Remote Sensing Ecological Index (RSEI) was then constructed from these indicators using Principal Component Analysis (PCA) in ArcGIS Pro, and its spatial structure was examined using global and local spatial autocorrelation. The mean RSEI followed a non-linear trajectory, rising from 0.59 in 1993 to 0.635 in 2004, declining to 0.55 in 2013, and recovering to 0.67 in 2023, indicating an overall improvement in EEQ with a temporary mid-period decline. Over the same period, built-up areas expanded substantially and agricultural land declined, whereas forest cover fluctuated but showed a slight net increase by 2023, and barren land decreased markedly. Higher EEQ was concentrated in the forested northern hills, while lower values occurred in the urban centers of Butwal and Bhairahawa, closely matching the spatial pattern of LULC change. The results indicate that ecological quality reflects the combined influence of all land cover classes rather than any single class. This study provides a transferable and reproducible workflow for long-term ecological assessment based on openly available Landsat data, with the analysis code shared in a public repository, offering practical guidance for sustainable land management and environmentally responsible urban development...”
#GIS #spatial #mapping #RemoteSensing #GIS #RSEI #EnvironmentalMonitoring #Nepal #Research #GoogleEarthEngine #ArcGIS #EcologicalQuality #spatialautocorrelation #ecology #environment #earthobservation #RemoteSensingEcologicalIndex #landscape #urbanisation #urban #development #landuse #change #spatialanalysis #spatiotemporal

The Congo Basin is under cloud so often that optical EO barely works there, and I keep landing on SAR. For persistently cloudy regions, what's your actual workflow — radar, fusion, patience?
#RemoteSensing #SAR #EarthObservation #GeoAI

Enhancements To The USGS Landsat Level 2 Surface Temperature And Emissivity Product For Collection3 Reprocessing
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https://doi.org/10.1016/j.rse.2026.115563 <-- shared paper
--
H/T @terry Sohl | USGS EROS Science Branch Chief
“HIGHLIGHTS:
• C3 advances Landsat TIR atmospheric correction, emissivity correction, and uncertainty estimates.
• C3 enables global surface temperature products, including polar regions.
• C3 retrievals improve accuracy and consistency across validation sites.
• Split window and single channel methods diverge at extreme temperature conditions.
• C3 and Landsat 10 support multi-decadal climate monitoring.
ABSTRACT: The Landsat program provides the longest continuous global record of thermal infrared observations of the Earth's surface, underpinning critical applications in climate monitoring, water resources, ecosystem dynamics, urban heat analysis, and natural hazard assessment. The release of a global inventory of Landsat Collection 2 Level 2 surface temperature products by the U.S. Geological Survey (USGS) marked a major milestone in operational provision of Landsat thermal infrared analysis-ready data. Ongoing validations and community uses of Collection 2 have identified opportunities to further improve accuracy, uncertainty characterization, and emissivity correction across diverse atmospheric and surface conditions. In preparation for the planned Landsat Collection 3 reprocessing of the Landsat data record in the late 2020s, the USGS is implementing a coordinated set of enhancements to the Level 2 surface temperature products. These include revised emissivity estimation that leverages external datasets, improved atmospheric characterization and uncertainty propagation, expanded dynamic range for high temperature targets, consideration of split window atmospheric correction algorithm for Landsat 8 and 9, and decoupling of thermal infrared processing from visible to shortwave infrared constraints to enable surface temperature retrievals under low or no solar illumination conditions. These changes are designed to improve product quality and consistency across the Landsat record. Beyond near-term performance gains, the Collection 3 design establishes a scalable processing architecture to accommodate the expanded spectral and radiometric measurement capabilities of the forthcoming Landsat 10 mission. By preserving continuity across the Landsat 4–9 record while enabling future algorithm evolution, Landsat Collection 3 will provide a foundation for long-term, multi-decadal Earth system thermal infrared observations…”
#GIS #spatial #mapping #satellite #remotesening #earthobservation #Landsat #thermalinfrared #TIR #surface #temperature #emissivity #thermal #infrared #analysisreadydata #Collection2 #Collection3 #opendata #atmosphericcorrection #global #climate #monitoring #waterresources #ecosystems #dynamics #urbanheat #spatialanalysis #spatiotemporal #naturalhazards #updates #EROS #USGS
@USGS EROS | @USGS

From orbit, the Earth stops being a map and becomes a living thing. 🌍 Clouds move like breath, cities glow like stories, rivers write their names into the land. This is what a geographer sees from above — not borders, but patterns. Satellites gather the signals; remote sensing turns light into meaning; GeoAI learns the planet’s rhythm. 🛰️

#RemoteSensing #GeoAI #Geography #Satellites #EarthObservation

On July 1, 2026, The Company Once Known As Maxar Began Selling 3D Maps Of Earth It Can Refresh Within A Day Or Sharpen To 15 Centimeters, Built Less For People To Study Than For The Autonomous Drones And Weapons That Navigate By Matching Their Cameras Against The Terrain
(Vantor, the American Earth-observation company… is now rebuilding chosen stretches of the planet as three-dimensional models and delivering them within a day of imaging — a commercial first…)
--
https://spacedaily.com/sd-on-july-1-2026-the-company-once-known-as-maxar-began-selling-3d-maps-of-earth-it-can-refresh-within-a-day-or-sharpen-to-15-centimeters-built-less-for-people-to-study-than-for-the-autonomous-dron/ <-- shared technical media article
--
[this post should – most specifically – NOT be considered an endorsement of a particular organisation or product]
• “Built for GPS-denied warfare…
• The 3D twist changes the risk calculus…”
“Vantor, the American Earth-observation company…., is now rebuilding chosen stretches of the planet as three-dimensional models and delivering them within a day of imaging — a commercial first, the company says, and one aimed as much at autonomous machines as at the analysts and militaries who have always been its customers.
The service, called WorldView 3D, went live on July 1. It draws on a fleet of 10 satellites imaging Earth’s surface at 12-inch (30-centimeter) resolution, according to Space.com. The 3D views are constructed by combining multiple images taken from different orbital angles, then refreshed on a daily cadence — a speed the company says is impossible to match with aircraft or drones over remote or contested territory.
According to the company’s launch announcement… the service would enable rapid updates of remote and contested areas, calling it the future of spatial intelligence….
The product comes in two tiers…:
• Standard resolution delivers 20-inch (50 cm) imagery with 13-foot (4-meter) accuracy in all directions.
• The HD tier tightens that to 6-inch (15 cm) resolution with 10-foot (3-meter) positional accuracy in three dimensions.
Those numbers matter for a specific reason. Traditional 3D mapping — the kind used by autonomous vehicle companies and defense contractors — has historically relied on aircraft flights, drone surveys, or LiDAR passes. Those methods produce excellent detail. They also require physical access to the airspace above the target.
Vantor’s pitch is that satellites remove the access problem. A constellation in low Earth orbit passes over hostile territory as freely as it passes over Kansas…”
#GIS #spatial #mapping #military #geoint #geointelligence #remotesensing #LiDAR #elevation #drones #weapons #warfare #conflict #spatialanalysis #spatiotemporal #imagery #3DModel #earthobservation #satellite #AI #machinelearning #GPS #hostileterritory #risk #hazard #WorldView3D #highresolution #changedetection #spatialintelligence

Geospatial Data As Bioethical Evidence
--
https://doi.org/10.4401/jgsg-111 <-- shared paper
--
https://theconversation.com/gaza-we-analysed-a-year-of-satellite-images-to-map-the-scale-of-agricultural-destruction-248796 <-- shared technical article
--
https://www.scientificamerican.com/article/inside-the-satellite-tech-revealing-gazas-destruction/ <-- shared 2023 technical article
--
“Satellite imagery now documents systematic patterns of infrastructure destruction at spatial resolutions and temporal cadences that were unavailable during the atrocities of the twentieth century. Whether and how such data may enter bioethical deliberation, however, remains under-theorized. Quantitative remote sensing produces damage percentages, not normative claims, and bridging the two without committing an is-ought fallacy requires an explicit epistemological procedure. The contribution developed here is normative and epistemological rather than empirical. A six-component admissibility framework integrates, for the first time, geospatial evidence, population-level bioethical principlism, and the coherentist verification epistemology of political fact-checking into a single reproducible procedure for the bioethical use of satellite imagery. The first component specifies evidence admissibility criteria tailored to bioethical rather than strictly legal use. The second requires coherentist triangulation across methodologically independent remote sensing studies. The third operates as a bioethical relevance filter mapping infrastructure categories onto population-level social determinants of health. The fourth operationalizes principlism by translating health justice, accountability, solidarity, and sustainability into measurable geospatial observables. The fifth establishes ethical representation safeguards against voyeuristic or dehumanizing uses of destruction imagery. The sixth demands explicit epistemic humility regarding uncertainty, data missingness, and attribution limits. The Gaza conflict provides the case in point. Two independently produced geospatial studies, one based on SAR coherent change detection and one on very-high-resolution optical analysis, converge on extensive damage to civilian healthcare, water, sanitation, and educational infrastructure, and thereby satisfy the coherentist triangulation requirement of the framework. The resulting inference licenses bioethical claims of systematic survival infrastructure degradation while preserving transparent boundaries between what satellite evidence can and cannot establish about genocidal intent…”
#geoethics #GIS #spatial #mapping #remotesensing #earthobservation #imagery #satellite #opendata #conflict #war #military #destruction #infrastructure #spatiotemporal #bioethical #evidence #damagepercentages #spatialanalysis #change #quantitative #metrics #normative #epistemological #admissibility #framework #factchecking #controlled #publicsafety #publichealth #healthjustice #geospatialobservables #observation #uncertainty #controls #boundaries #changedetection #coherentisttriangulation #example #gaza

Hello Mastodon, an #introduction.
I'm a geospatial scientist with a PhD in Earth System and Geoinformation Science. I work in remote sensing and #GeoAI, mostly on drought, vegetation, and land — in Africa and the US Great Plains.
I'll mostly post maps, model results, and #GoogleEarthEngine and Python tutorials (#geopandas, #rasterio). I'm also building a national GIS data portal for #Cameroon.
#RemoteSensing #GIS #EarthObservation #Python

🚀 Registration is now open for the Agentic AI for Earth Observation Workshop! 👉 Register now: agentic-eo.berlin/attend/regis... @[email protected] @[email protected] #EarthObservation #LLM #GeoAI #geospatial #ai #Agents #gischat #geosky 🌍🛰️

[G]lobal Decline In Endorheic Basin Water Storages
--
https://doi.org/10.1038/s41561-018-0265-7 <-- shared paper
--
https://en.wikipedia.org/wiki/Endorheic_basin <-- shared Wikipedia page
--
“Endorheic (hydrologically landlocked) basins spatially concur with arid/semi-arid climates. Given limited precipitation but high potential evaporation, their water storage is vulnerable to subtle flux perturbations, which are exacerbated by global warming and human activities. Increasing regional evidence suggests a probably recent net decline in endorheic water storage, but this remains unquantified at a global scale. By integrating satellite observations and hydrological modelling, [they] reveal[ed] that during 2002–2016 the global endorheic system experienced a widespread water loss of about 106.3 Gt/yr, attributed to comparable losses in surface water, soil moisture and groundwater. This decadal decline, disparate from water storage fluctuations in exorheic basins, appears less sensitive to El Niño–Southern Oscillation-driven climate variability, which implies a possible response to longer-term climate conditions and human water management. In the mass-conserved hydrosphere, such an endorheic water loss not only exacerbates local water stress, but also imposes excess water on exorheic basins, leading to a potential sea level rise that matches the contribution of nearly half of the land glacier retreat (excluding Greenland and Antarctica). Given these dual ramifications, [they] suggest the necessity for long-term monitoring of water storage variation in the global endorheic system and the inclusion of its net contribution to future sea level budgeting…”
#water #hydrology #hydrography #global #waterresources #waterstorage #Endorheic #Basin #watersecurity #arid #semiarid #rainfall #precipitation #spatialanalysis #spatiotemporal #globalwarming #climatechange #humanimpacts #anthropogenic #regional #remotesensing #GIS #spatial #mapping #earthobservation #surfacewater #groundwater #soilmoisture #exorheic #watermanagement #hydrosphere #waterstress #SLR #sealevelrise #monitoring #waterbudgets

@coreyspowell
10/
In short: It’s not an apocalypse; it’s a data corrective. It proves that the engine room of our planet is a highly active, rapidly changing environment, and it took a constellation of advanced satellites sixteen years of data-crunching to finally reveal what happened right under our feet.

#Geophysics
#Geomagnetism
#EarthsCore
#Geodynamics
#OuterCore
#Geodynamo
#ESASwarm
#CryoSat
#SatelliteData
#EarthObservation
#GeomagneticField
#WorldMagneticModel
#WMM

I was really honored to give a talk (remotely) at NASA Goddard today! Thanks for the invitation, and I hope we'll stay in touch!

#RemoteSensing #NighttimeLights #NightLightRemoteSensing #VIIRS_DNB #SDGSat1 #ESA #EarthExplorer #EarthObservation #LightPollution

Characterizing Wildfire Behavior With ECOSTRESS Land Surface Temperature Across Four California Case Studies
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https://doi.org/10.1016/j.ecoinf.2026.103777 <-- shared paper
--
#GIS #spatial #mapping #ECOSTRESS #remotesensing #earthobservation #wildfire #increased #frequency #intensity #forestfire #monitoring #hotspot #detection #Rateofspread #HotspotBurn #severity #spatialanalysis #spatiotemporal #VIIRS #fireradiativepower #FRP #landsurface #temperature #California #casestudy #burn #severity #dNBR #landsat #satellite #WesternUSA #extremeweather #climatechange #water #hydrology #hydrometeorology #drought #humanactivity #humanimpacts #ECOsystemSpaceborneThermalRadiometerExperimentonSpaceStation #ISS #spacestation #LST #rateofspread
@nasa

National-Scale Field Delineation In Mozambique Refines Our Understanding Of Cropland Distribution, Field Size, And Deforestation Actors.
--
https://doi.org/10.1088/1748-9326/ae5cb4 <-- shared paper
--
https://philipperufin.github.io/blog/mozfields-2023/ <-- shared associated technical article from one of the paper’s authors
--
#foodsecurity #subsistence #smallholder #farms #farming #agriculture #crops #Mozambique #subSaharan #Africa #GIS #spatial #mapping #remotesensing #earthobservation #policy #planning #cropland #spatialanalysis #spatiotemporal #field #deforestation #countrywide #landuse #sustainability #delineation #satellite #SPOT #model #modeling #deeplearning #AI #machinelearning #survey #GeoAI #spatialdata

Detecting Land Use And Land Cover Changes And Quantifying Soil Erosion And Sediment Export Using GIS And Remote Sensing In The GERD Catchment, Ethiopia
--
https://doi.org/10.1016/j.iswcr.2026.100657 <-- shared paper
--
https://infonile.org/en/2023/05/battling-for-survival-along-the-warming-source-of-the-blue-nile/ <-- shared technical media article
--
https://doi.org/10.1007/978-3-031-65241-7_4 <-- shared technical book chapter
--
https://doi.org/10.3390/rs8121020 <-- shared 2016 paper
--
#landuse #landcover #RUSLE #model #soil #erosion #sedimentation #GERD #catchment #NorthAfrica #Ethiopia #AbbayBasin #sustainability #landmanagement #agriculture #farmland #foodsecurity #water #hydrogology #reservior #watermanagement #watersecurity #waterresources #catchment #GrandEthiopianRenaissanceDam #BlueNile #hydrography #impoundment #GIS #spatial #mapping #remotesensing #earthobservation #thematic #spatialanalysis #spatiotemporal #landsat #elevation #DEM #CHIRPS #rainfall #precipitation #LULC #AI #forest #grazing #grassland #field #crops #cropland #waterbodies #urban #biophysical #risk #hazard #mitigation #soilquality

Drivers Of Forest Disturbance In Southeast Asia [incl. spatial analysis]
--
https://doi.org/10.1016/j.jag.2026.105220 <-- shared paper 🔗
--
https://github.com/shijuanchen/SEA_forest_dis <-- shared GitHub ‘data repository 🔗
--
#GIS #spatial #mapping #spatialanalysis #spatiotemporal #forest #vegetation #Forestdisturbance #Forestdegradation #Deforestation #remotesensing #SoutheastAsia #Asia #tropicalforests #timeseriesanalysis #geostatistics #disturbance #clearing #planting #agriculture #earthobservation #imagery #CCDC #changedetection #landcover #landuse #change #plantation #cultivation #slashandburn #planning #mitigation #catalogue #conservation #management #landmanagement #machinelearning #imageanalysis #AI