Environment
-
Why Satellite Surface Temperature Differs from Air Temperature
Read more →: Why Satellite Surface Temperature Differs from Air TemperatureA satellite temperature map can show a hot industrial district while a nearby weather station reports a much…
-
How Reliable Is Satellite-Derived Water Turbidity?
Read more →: How Reliable Is Satellite-Derived Water Turbidity?Satellite-derived turbidity can support reliable monitoring of sediment plumes, seasonal patterns and unusual changes across rivers, lakes and…
-
How to Check Historical Tree Cover Before Planting
Read more →: How to Check Historical Tree Cover Before PlantingChecking whether trees existed on a plot before planting requires more than searching a forest-loss map. A useful…
-
Can Satellite Imagery Count Individual Trees?
Read more →: Can Satellite Imagery Count Individual Trees?Satellite imagery can support individual tree counting when crowns are large enough, sufficiently separated and clearly visible. It…
-
Can Satellite Imagery Detect Selective Logging?
Read more →: Can Satellite Imagery Detect Selective Logging?Satellite imagery can detect some selective logging, particularly when tree removal creates visible canopy gaps, new access routes…
-
How AI Detects Flood Changes Across Optical and SAR Images With Few Training Pairs
Read more →: How AI Detects Flood Changes Across Optical and SAR Images With Few Training PairsIn brief: Instead of separately mapping water in pre- and post-flood images and then overlaying the results, the…
-
Can Optical Satellites Keep Tracking Floods When Clouds Block the View?
Read more →: Can Optical Satellites Keep Tracking Floods When Clouds Block the View?In brief: Landsat and Sentinel-2 can capture flood details well, but they are most vulnerable to the very…
-
Can SAR Map Floods Without Manual Labels or Threshold Tuning?
Read more →: Can SAR Map Floods Without Manual Labels or Threshold Tuning?In brief: Conventional SAR-based flood mapping often runs into two obstacles: thresholds must be adjusted repeatedly by hand,…
-
What Really Caused Pakistan’s 2022 Floods: Extreme Rainfall, Snowmelt, or Glacial Lake Outburst Floods?
Read more →: What Really Caused Pakistan’s 2022 Floods: Extreme Rainfall, Snowmelt, or Glacial Lake Outburst Floods?In brief: Published in Remote Sensing of Environment, this study does more than use Sentinel-1 data to map…
-
From Snow and Ice Retreat in 2010 to an Ice Avalanche in 2016 and Crack Coalescence Two Days Before the Disaster: How Satellites Reconstructed a Decade of Progressive Rock-Slope Failure
Read more →: From Snow and Ice Retreat in 2010 to an Ice Avalanche in 2016 and Crack Coalescence Two Days Before the Disaster: How Satellites Reconstructed a Decade of Progressive Rock-Slope FailureThe Chamoli slope did not suddenly fail on 7 February: Satellite data reveal a decade of progressive deterioration…