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22 results for “gregcocks”
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Book Review- New Work Details The Fading Promise Of A Peaceful Arctic And How It Affects The Region’s Future – ‘Unfrozen - The Fight For The Future Of The Arctic’
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https://www.adn.com/arts/books/2026/10/03/book-review-new-work-details-the-fading-promise-of-a-peaceful-arctic-and-how-it-affects-the-regions-future/ <-- shared technical article
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https://www.edrmagazine.eu/whats-the-future-of-the-arctic-region <-- shared technical article, ‘European Defence Review’
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https://esthinktank.com/2025/03/19/event-the-future-of-arctic-governance-balancing-strategic-interests-and-environmental-challenges/ <-- shared technical article
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[this post should not be considered an endorsement of a specific product/work]
H/T @Klaus Dodds | Faculty Dean, public speaker, geopolitical analyst, and strategic adviser.
“The story they tell is one of conflicting interests, outside involvement, rapidly escalating climate change, resources rushes, resumed militarization and political shifts that tore at the fabric of the northern concordance that once seemed so promising, leaving uncertainty and perilous standoffs in its wake.”
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“… In 1996 the Arctic Council was formed, composed of the United States, Russia, Canada, Sweden, Norway, Finland and Iceland, as well as Indigenous organizations representing the Inuit, Athabascan, Saami, Aleut, Gwich’in and Indigenous peoples of the Russian north.
In the headily optimistic days of the 1990s, when liberal democratic governance and the free movement of goods and peoples seemed to be the fate of all the world, the term “Arctic Exceptionalism” emerged. The North, it was proclaimed, was indeed a zone of peace, setting an example for all the world to follow.
Within a few years it all came tumbling down.
How a promise all but taken for granted proved to be little more than empty words is the topic of [this book]…
The story [the authors] tell is one of conflicting interests, outside involvement, rapidly escalating climate change, resources rushes, resumed militarization and political shifts that tore at the fabric of the northern concordance that once seemed so promising, leaving uncertainty and perilous standoffs in its wake…”
#Arctic #geopolitics #resources #tactical #countries #USA #Canada #Russia #CHINA #NATO #Norway #Denmark #Greenland #Alaska #ArcticFuture #ArcticRegion #ClimateChange #treaty #agreement #ArcticCouncil #EnvironmentalChallenges #Geopolitics #StrategicStudies #PolarResearch #GlobalSecurity #Sustainability #BookReview #conflictinginterests #conflictavoidance #resources #extremeweather #temperature #ice #snow #cryosphere #melting #NorthernSeaRoute #NSR #NorthwestPassage #transportation #cargo #shipping #control #routes #defence #defense #trade #tradeopportunity #energy #energysecurity #territorialassertion #strategicalignment #situationalreview #overview -
Coastal Flood Exposure Mapper USA, NOAA]
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https://coast.noaa.gov/floodexposure/ <-- shared NOAA page/resource
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H/T @joe Trimboli
“🌊 Sea-Level Rise Is More Than a Rising Waterline
One thing [the H/T has] noticed… is how much more NOAA data is now being maintained, organized, and made accessible for analysis…
That matters when we look at sea-level rise.
Modern sea-level mapping is moving beyond simply adding one, three, or six feet of water to a coastline. Current science considers multiple interacting processes, including ocean warming, ice-sheet and glacier loss, regional ocean circulation, vertical land movement, tides, storm surge, and local terrain.
The NOAA Sea Level Rise Viewer brings many of these concepts together spatially, allowing users to examine potential inundation under different scenarios.
For [them], the larger GIS lesson is that the value is not necessarily in finding one perfect map. It is in having enough maintained, interoperable data to build a more complete understanding of the system.
Sea-level rise can therefore be viewed as a geospatial system of evidence connecting observations, projections, elevation, tidal conditions, hydraulic connectivity, flooding frequency, and uncertainty.
The more [they] work with these datasets, the more [the H/T] see[s] GIS shifting from simply making maps toward integrating continually expanding bodies of scientific evidence into a spatial model of change…”
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“Jumpstart community discussions about local coastal flooding hazards by developing maps that show the people, places, and natural resources at risk...”
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“This online visualization tool supports communities that are assessing their coastal hazard risks and vulnerabilities. The tool creates a collection of user-defined maps that show the people, places, and natural resources exposed to coastal flooding. The maps can be saved, downloaded, or shared to communicate flood exposure and potential impacts. In addition, the tool provides guidance for using these maps to engage community members and stakeholders. The current geography includes the East Coast, West Coast, Gulf of America, Great Lakes, and islands in the Pacific and Caribbean.
FEATURES:
• Visualize people, places, and natural resources exposed to coastal flood hazards
• Share online maps to communicate with and engage stakeholders…”
#GIS #SeaLevelRise #NOAA #CoastalResilience #GeospatialScience USA #coast #coastal #spatial #mapping #opendata #fedscience #publicgood #risk #hazard #earlywarning #cost #economics #infrastructure #sealevel #SLR #model #modeling #humanimpacts #naturalhazard #mitigation #NOAASeaLevelRiseViewer #spatialanalysis #spatiotemporal #inundation #interoperable #observations #monitoring #projections #elevation #tidal #tide #hydraulicconnectivity #flood #flooding #frequency #uncertainty
@NOAA -
GeoAI For Infrastructure Resilience - Mapping Exposure To Invasive Albizia Trees In Hawai’i
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https://doi.org/10.3390/su181910061 <-- shared paper
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https://dlnr.hawaii.gov/hisc/info/invasive-species-profiles/albizia/ <-- shared link, Albizia,
Hawaii Invasive Species Council (HISC)
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H/T @Jolie Wanger
“By integrating scalable invasive-tree detection with infrastructure exposure assessment, the framework provides a spatial decision-support tool for prioritizing vegetation management, hazard mitigation, and infrastructure maintenance…”
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“Invasive albizia (Falcataria falcata (L.) Greuter & R. Rankin) trees pose an increasing threat to infrastructure, transportation networks, and public safety in Hawai’i because their rapid growth and shallow root systems make them susceptible to windthrow during severe weather events. However, comprehensive spatial information on albizia distribution remains limited, constraining invasive-species management, hazard mitigation, and sustainable infrastructure planning. This study evaluates the applicability of a GeoAI-based framework for identifying invasive-tree-related infrastructure exposure at a regional planning scale. This study develops a GeoAI framework using a U-Net convolutional neural network with a ResNet-34 backbone to detect and map albizia canopy from 0.6 m National Agriculture Imagery Program (NAIP) aerial imagery. Training data from two geographically distinct areas, Mānoa and Kahalu’u, were used for model development and iterative refinement. The final model achieved a precision of 0.76, compared with 0.64 in the initial iteration, and was applied to estimate potential tree-fall exposure through spatial proximity analysis of roads and buildings. Following manual quality control, approximately 2 km2 of albizia canopy were identified within the study area. More than 53 km of roads and 2300 buildings were located within the potential tree-fall exposure zone, including portions of major transportation corridors such as Pali Highway, Likelike Highway, and Interstate H-3. By integrating scalable invasive-tree detection with infrastructure exposure assessment, the framework provides a spatial decision-support tool for prioritizing vegetation management, hazard mitigation, and infrastructure maintenance. The approach contributes to sustainability by supporting more targeted use of management resources, reducing potential disruption to critical infrastructure and essential access, and strengthening long-term community and infrastructure resilience…”
#GeoAI #sustainableinfrastructure #infrastructureresilience #invasivespecies #management #Albizia #deeplearning #infrastructureexposure #disasterpreparedness #climateadaptation #climatechange #decisionsupport #planning #policy #GIS #spatial #mapping #model #treedetection #AI #Hawai’i #Hawaii #rapidgrowth #shallowrootsystem #windthrow #windfall #vegetation #nonnative #risk #hazard #infrastructure #economics #mitigation #vegetationmanagement #infrastructuremaintenance #utilities #extremeweather #wind #storm #remotesensing -
Mapping Global GNSS Vertical Velocities To Solid Earth Figure Change
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https://doi.org/10.1029/2026JB034224 <-- shared paper
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https://www.labrujulaverde.com/en/2026/09/earth-isnt-a-perfect-sphere-but-its-changing-shape-faster-than-expected/ <-- shared technical article
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H/T @gregory Helmer | Professional Land Surveyor, Geospatial Engineer
“[This paper] describes analysis of GNSS data showing the Earth's equator-to-pole radius difference is shrinking by ~1.8 mm/yr where previous glacial isostatic adjustment models accounted for ~0.3 mm/yr. This increasing change in the solid Earth with mass redistribution has the opposite effect on the geoid. The solid Earth is getting rounder while the geoid is becoming more oblate…”
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“... PLAIN LANGUAGE SUMMARY: This study looks at how the shape of our planet is slowly changing over time. Earth is not a perfect sphere – it is slightly flattened at the poles and bulging at the equator. But this shape isn't fixed; it evolves due to natural processes like melting ice, shifting land, and changes in the Earth's surface and interior. To better understand these changes, we used satellite-based measurements of how the Earth's surface moves up or down in different places. We developed a method to analyze this data and track whether Earth is becoming more or less flattened over time. Our results indicate an acceleration of polar uplift accompanied by a comparably increasing rate of equatorial subsidence. This means that solid Earth's overall shape is becoming slightly less flattened. We further find that this geometric change is not fully mirrored in the Earth's gravity field, indicating that the geometric response of the solid Earth and the gravity field response to mass-redistribution do not evolve identically. These findings are important because they help scientists understand how the planet responds to melting glaciers and shifting water. This kind of knowledge is essential for tracking climate change and its impact on Earth's long-term behavior…”
#Geodesy #GNSS #Geophysics #Geoid #oblate #SolidEarth #GlacialIsostaticAdjustment #MassRedistribution #Geospatial #Geomatics #Surveying #RemoteSensing #SatelliteData#EarthScience #Geoscience #ClimateChange #GIS #spatial #mapping #spatialanalysis #global #datum #datums #solidearth #rounder #change #isostatic #isostaticadjustmentmodel #massredistribution -