#glaciation — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #glaciation, aggregated by home.social.
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https://www.europesays.com/ie/483128/ Ancient Earth Repeatedly Thawed during Catastrophic Ice Ages, New Research Suggests #(planet) #Canada #CarbonDioxide #climate #ClimateChange #Earth #Éire #FranklinLargeIgneousProvince #Glaciation #GlobalWarming #Ice #IE #Ireland #Neoproterozoic #NorthAmerica #paleoclimate #Science #SnowballEarth #SturtianGlaciation #temperature
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The New Glacial Geomorphological Map From New Zealand [2021]
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https://blogs.egu.eu/divisions/cr/2021/04/02/new-zealand-geomorphology-glaciers/ <-- shared (2021) technical article/blog, Cryospheric Sciences (CR) Division, @European Geosciences Union
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https://doi.org/10.1080/17445647.2021.1876777 <-- shared (2020) paper
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#GIS #spatial #mapping #NewZealand #geomorphology #NewZealand #SouthernAlps #Quaternary #glaciation #landscape #hydrogeomorphology #water #ice #sediment #glacier #glacial #cryosphere #spatialanalysis #geology #Ahuriri #AhuririRiver #paleolake #WaitakiRiver #basin #remotesensing #postglacial #moraine #glaciology #cryosphere #processes #morphology #LastGlacialMaximum #geochronology -
The New Glacial Geomorphological Map From New Zealand [2021]
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https://blogs.egu.eu/divisions/cr/2021/04/02/new-zealand-geomorphology-glaciers/ <-- shared (2021) technical article/blog, Cryospheric Sciences (CR) Division, @European Geosciences Union
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https://doi.org/10.1080/17445647.2021.1876777 <-- shared (2020) paper
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#GIS #spatial #mapping #NewZealand #geomorphology #NewZealand #SouthernAlps #Quaternary #glaciation #landscape #hydrogeomorphology #water #ice #sediment #glacier #glacial #cryosphere #spatialanalysis #geology #Ahuriri #AhuririRiver #paleolake #WaitakiRiver #basin #remotesensing #postglacial #moraine #glaciology #cryosphere #processes #morphology #LastGlacialMaximum #geochronology -
The New Glacial Geomorphological Map From New Zealand [2021]
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https://blogs.egu.eu/divisions/cr/2021/04/02/new-zealand-geomorphology-glaciers/ <-- shared (2021) technical article/blog, Cryospheric Sciences (CR) Division, @European Geosciences Union
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https://doi.org/10.1080/17445647.2021.1876777 <-- shared (2020) paper
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#GIS #spatial #mapping #NewZealand #geomorphology #NewZealand #SouthernAlps #Quaternary #glaciation #landscape #hydrogeomorphology #water #ice #sediment #glacier #glacial #cryosphere #spatialanalysis #geology #Ahuriri #AhuririRiver #paleolake #WaitakiRiver #basin #remotesensing #postglacial #moraine #glaciology #cryosphere #processes #morphology #LastGlacialMaximum #geochronology -
The New Glacial Geomorphological Map From New Zealand [2021]
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https://blogs.egu.eu/divisions/cr/2021/04/02/new-zealand-geomorphology-glaciers/ <-- shared (2021) technical article/blog, Cryospheric Sciences (CR) Division, @European Geosciences Union
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https://doi.org/10.1080/17445647.2021.1876777 <-- shared (2020) paper
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#GIS #spatial #mapping #NewZealand #geomorphology #NewZealand #SouthernAlps #Quaternary #glaciation #landscape #hydrogeomorphology #water #ice #sediment #glacier #glacial #cryosphere #spatialanalysis #geology #Ahuriri #AhuririRiver #paleolake #WaitakiRiver #basin #remotesensing #postglacial #moraine #glaciology #cryosphere #processes #morphology #LastGlacialMaximum #geochronology -
The New Glacial Geomorphological Map From New Zealand [2021]
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https://blogs.egu.eu/divisions/cr/2021/04/02/new-zealand-geomorphology-glaciers/ <-- shared (2021) technical article/blog, Cryospheric Sciences (CR) Division, @European Geosciences Union
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https://doi.org/10.1080/17445647.2021.1876777 <-- shared (2020) paper
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#GIS #spatial #mapping #NewZealand #geomorphology #NewZealand #SouthernAlps #Quaternary #glaciation #landscape #hydrogeomorphology #water #ice #sediment #glacier #glacial #cryosphere #spatialanalysis #geology #Ahuriri #AhuririRiver #paleolake #WaitakiRiver #basin #remotesensing #postglacial #moraine #glaciology #cryosphere #processes #morphology #LastGlacialMaximum #geochronology -
18-Feb-2026
Understanding #snowballEarth extreme climates — when the world is covered in ice
New research in #Geology suggests an unexpected mechanism could have caused a global #glaciation to last for 56 million years, revealing the inner workings of the #carbonCycle -
A thought-provoking and wide-ranging talk yesterday by Andy Wickert, University of Minnesota.
His group has tracked changes in drainage patterns during the final deglaciation of Minnesota (~11 thousand years ago) to changes in erosion rates since the advent of mechanical agriculture.
#UMN #McGillU #Minnesota #MississippiRiver #Glaciation #Sediments
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l’un d’eux tente de lutter. Car l’être humain ne changera jamais…
Rencontre avec @CeliaAtParis de www.cinemacoreen.fr
#cinéma #film #CoréeDuSud #adaptation #BD #bandedessinée #SF #ScienceFiction #postapo #résilience #environnement #vivant #écologie #train #adaptation #JacquesLob #BenjaminLegrand #OlivierBocquet #JeanMarcRochette #Matz #Alexis #postapo #thriller #action #changementclimatique #glaciation #송강호 #고아성 #스티브박 #ChrisEvans #EdHarris #JohnHurt #TildaSwinton #OctaviaSpencer #EwenBremner
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l’un d’eux tente de lutter. Car l’être humain ne changera jamais…
Rencontre avec @CeliaAtParis de www.cinemacoreen.fr
#cinéma #film #CoréeDuSud #adaptation #BD #bandedessinée #SF #ScienceFiction #postapo #résilience #environnement #vivant #écologie #train #adaptation #JacquesLob #BenjaminLegrand #OlivierBocquet #JeanMarcRochette #Matz #Alexis #postapo #thriller #action #changementclimatique #glaciation #송강호 #고아성 #스티브박 #ChrisEvans #EdHarris #JohnHurt #TildaSwinton #OctaviaSpencer #EwenBremner
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🇰🇷🎬🗣🚉❄️ 4è Mycéliades - Snowpiercer, le transperceneige 설국열차 de BONG Joonho 봉준호 le 13/02 à 18h @ Maison pour tous Louis Feuillade de Montpellier : www.facebook.com/events/2112835956155197
Rencontre avec @CeliaAtParis de www.CinemaCoreen.fr
#cinéma #film #CoréeDuSud #adaptation #BD #bandedessinée #SF #ScienceFiction #postapo #thriller #action #changementclimatique #glaciation #JacquesLob #BenjaminLegrand #OlivierBocquet #JeanMarcRochette #Matz #Alexis #송강호 #고아성 #스티브박 #ChrisEvans #EdHarris
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🇰🇷🎬🗣🚉❄️ 4è Mycéliades - Snowpiercer, le transperceneige 설국열차 de BONG Joonho 봉준호 le 13/02 à 18h @ Maison pour tous Louis Feuillade de Montpellier : www.facebook.com/events/2112835956155197
Rencontre avec @CeliaAtParis de www.CinemaCoreen.fr
#cinéma #film #CoréeDuSud #adaptation #BD #bandedessinée #SF #ScienceFiction #postapo #thriller #action #changementclimatique #glaciation #JacquesLob #BenjaminLegrand #OlivierBocquet #JeanMarcRochette #Matz #Alexis #송강호 #고아성 #스티브박 #ChrisEvans #EdHarris
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#tournée #cinéma #médiathèque #BD #résilience #futur #protection #environnement #vivant #écologie #train #CoréeDuSud #fantastique #horreur #zombie #공유 #정유미 #마동석 #김수안 #김의성 #최우식 #adaptation #JacquesLob #BenjaminLegrand #OlivierBocquet #JeanMarcRochette #Matz #Alexis #postapo #thriller #action #changementclimatique #glaciation #송강호 #고아성 #스티브박 #ChrisEvans #EdHarris #JohnHurt #TildaSwinton #OctaviaSpencer #EwenBremner #VladIvanov #LukePasqualino
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#tournée #cinéma #médiathèque #BD #résilience #futur #protection #environnement #vivant #écologie #train #CoréeDuSud #fantastique #horreur #zombie #공유 #정유미 #마동석 #김수안 #김의성 #최우식 #adaptation #JacquesLob #BenjaminLegrand #OlivierBocquet #JeanMarcRochette #Matz #Alexis #postapo #thriller #action #changementclimatique #glaciation #송강호 #고아성 #스티브박 #ChrisEvans #EdHarris #JohnHurt #TildaSwinton #OctaviaSpencer #EwenBremner #VladIvanov #LukePasqualino
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Small Waterbodies Of Large Conservation Concern - Towards An Integrated Approach To More Accurately Measuring Surface Water Dynamics
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https://doi.org/10.1016/j.ecolind.2025.113525 <-- shared paper
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“HIGHLIGHTS
• Hydrologic models were used to assess remotely sensed surface water estimates.
• The accuracy of satellite surface water estimates diminished for waterbodies < 2 ha.
• Vegetation reduces accuracy of surface water detection, especially during wet years..."
#GIS #spatial #mapping #waterbodies #Conservation #planning #surfacewater #Hydrologicmodeling #remotesensing #earthobservation #water #hydrology #hydrographic #model #modeling #spatialanalysis #spatiotemporal #waterbody #small #conservation #inventory #monitoring #accuracy #aquatic #vegetation #climate #NorthAmerica #kettle #landforms #landcover #glaciation #prairie #pothole -
Glen Roy's "parallel roads", north of Roybridge in Lochaber. Long held in folklore to be hunting paths used by the Celtic warrior Fingal, they actually mark different shore lines of a vast ancient loch created by glacial ice. More pics and info: https://www.undiscoveredscotland.co.uk/roybridge/glenroy/index.html
#Scotland #GlenRoy #Lochaber #ParallelRoads #Glaciation #UndiscoveredScotland
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New Study Seeks To Shed Light On Earthquake Hazards In The Gallatin Range
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https://www.usgs.gov/observatories/yvo/news/new-study-seeks-shed-light-earthquake-hazards-gallatin-range <-- shared technical article
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#GIS #spatial #mapping #remotesensing #LiDAR #earthquake #fault #scarps #faulting #opendata #3dep #NGTOC #ruptures #surfaceexpression #risk #hazard #geology #engineeringgeology #geomorphology #geomorphmetry #seismology #elevation #topography #EastGallatin #ReeseCreek #faultsystem #EGRCFS #GallatinRange #GardnersHole #Yellowstone #Wyoming #Montana #USA #glaciation #superposition #dating #geologichistory #NationalSeismicHazardModel #model #modeling #spatialanalysis #spatiotemporal #massmovement #hydrothermal #YellowstoneNationalPark
@USGS -
Svalbard Crisis - Glaciers Melt At Unprecedented Rates As Temperatures Soar [remotesensing]
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https://scitechdaily.com/svalbard-crisis-glaciers-melt-at-unprecedented-rates-as-temperatures-soar/ <-- shared technical article
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“High summer temperatures caused record melting of the Norwegian archipelago’s glaciers…"
#GIS #spatial #mapping #remotesensing #landsat #landsat8 #OperationalLandImager #OLI #Svalbard #archipelago #glacier #glaciation #cryosphere #Norway #NorthPole #warming #summer #summer2024 #climatechange #water #hydrology #sediment #spatiotemporal #spatialanalysis #Arctic #ArcticOcean #firn #icecap #snow #ice #temperature #airtemperature -
Our Very Strange Search for ‘Sea Level’
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https://www.newyorker.com/magazine/2024/08/26/our-very-strange-search-for-sea-level <-- shared media/technical article
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#GIS #spatial #mapping #elevation #vertical #geoid #datum #verticaldatum #sealevel #risingsealevel #RSL #climatechange #survey #change #geology #isostaticrebound #glaciation #groundwater #subsidence #remotesensing #GPS #LiDAR #altimetry #change #spatialanalysis #model #modeling #spatiotemporal #sealrock #meansealevel #NGVD29 #NAVD88 -
Glen Roy's "parallel roads", north of Roybridge in Lochaber. Long held in folklore to be hunting paths used by the Celtic warrior Fingal, they actually mark different shore lines of a vast ancient loch created by glacial ice. More pics and info: https://www.undiscoveredscotland.co.uk/roybridge/glenroy/index.html
#Scotland #GlenRoy #Lochaber #ParallelRoads #Glaciation #UndiscoveredScotland
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A small #outcrop of the #Squantum Member of the #Roxbury #Conglomerate
These #rocks are in the #BostonBay Group, which is currently dated to #Neoproterozoic. The Squantum Member was interpreted as a #tillite, possibly associated with the #Gaskiers #glaciation, although there a scant signs like scratched pebbles or faceted cobbles. It is currently commonly interpreted as a #debrite (debris flow). Details in captions.
#geology #glacier #turbidite #Quincy #Boston #Massachusetts #NewEngland -
The 4th day #backpacking the #TrinityAlpsWilderness did have some burn at the start, but mostly was a day of lakes and explorations. I stopped by one of the Forest's designated special places (for #geology) even!
#hiking #nature #landscape #mountains #California #KlamathNF #PNW #waterfall #lake #dam #frog #CementBanks #bee #glaciation
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Evidence of Earth’s Oldest #Glaciers Found in South Africa
https://eos.org/articles/evidence-of-earths-oldest-glaciers-found-in-south-africa #discovery #scienceEarth’s first #glaciation at 2.9 Ga revealed by triple oxygen #isotopes https://www.geochemicalperspectivesletters.org/article2319/
"Drawing on evidence from some of the oldest undisturbed rocks on #Earth, the study authors said they see evidence for #IceSheets during the #planet’s ancient #Archaean eon similar to those found today in #mountain ranges across the world. It is the oldest evidence of glaciers ever #discovered"
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Snowball Earth
Through many posts we have talked about the Great Unconformity (yes, you must capitalize it) and how it occurs worldwide in different rock sections. Why? Scientists believe that at several times in Earth’s history the planet was buried in a blanket of ice. Oceans were nearly frozen. This is what scientists call Snowball Earth, or sometimes Slushball Earth.
The last occurred sometime before 650 million years ago, during the aptly named Cryogenian period. In 200 million years, uplift and the giant erosive conveyor belts of ice eroded continents down to the roots of the ancient mountains and left the land at sea level. Think the Canadian Shield. This scraped bare land is the base of the Great Unconformity. As the glaciers melted, sea level rose and covered the land and deposition of sedimentary layers began. Variations of this happened worldwide. We can focus on the North American continent which looked much different at that time. Forget anything west of Idaho or so. It wasn’t there yet.
Wyoming Geologist Myron Cook does a much better job than I could of explaining Snowball Earth, the Great Unconformity, and why different gaps, between hundreds of millions to billions of years of time, exist across what was North America at the time in his great video published only 11 days ago. Throw in a master-class in Deep Time, and you have it all put together as only a master story teller can. And there are lots of rocks, yay! Watch this wonderful video. Yes, it’s long, but you’ll absolutely hate yourself if you don’t get to see the Mineral Fork Tillite and how the story ends. Trust me.
Follow it up with further findings on Snowball earth using thermochronology by Kalin T. McDannell, et. al. including our own @brenhinkeller as they work to help determine if glaciation or the recent hypotheses of tectonic influence had more impact on denudation of the continent. Spoiler alert: read the title of this post again.
https://www.pnas.org/doi/full/10.1073/pnas.2118682119
Another version here: https://eos.org/articles/erasing-a-billion-years-of-geologic-time-across-the-globe
Pinging @BoxcarMurphy who probably knows all about this already :)
#SnowballEarth #SlushballEarth #Glaciation #Cryogenian #TheGreatUnconformity #NorthAmericanContinent #DeepTime #MyronCook #HowSnowballEarthLeveledTheContinentsAndCreatedTheGreatUnconformity #WatchTheDamnVideo #geology #ScienceMastodon @geology
