NASA has created a time series visualization of Greenland’s Helheim Glacier using 20 years of data from radar, lasers, and high-resolution cameras.
Elizabeth Borneman
GIS Data
View Arctic Elevation Data with ArcDem Explorer
ArcticDEM is a project that is working to produce digital elevation models of the Arctic in order to see how topographical changes are occurring over time, such as the rate at which glaciers are receding.
GIS Data
Jason-2 Satellite to Help Improve Maps of Sea Floor
Jason-2 will be collecting data about the sea floor every 5 miles, which will be used to create a high-definition estimate of the average surface height of the ocean in various places around the globe.
GIS Data
Mapping Rainforest Chemistry
Researchers mapped 23 chemicals that are released by the rainforests in Peru with laser-guided imaging spectroscopy.
Spatial Analysis
A New Algorithm to Find Wildfires When It’s Cloudy
New technology called the Firelight Detection Algorithm, or FILDA, can help detect wildfires at night even when the skies are cloudy.
GIS Learning
Book: Open the Door to GIS
The book, ‘Open the Door to GIS’ is designed to be an engaging introduction to GIS, using stories and real-life circumstances to help bring the knowledge of GIS to your classroom.
Spatial Analysis
Tracking Deforestation by Measuring the Distance to the Nearest Forest
Using satellite images, researchers established a method of calculating the distance between any point in the continental United States and the nearest forested area.
GIS Data
3.1-Trillion Pixel Landsat 8 Mosaic of the World
Descartes Labs has compiled some of the massive amount of data sent back from the satellites orbiting Earth into a 3.1-trillion pixel composite image of Earth’s surface.
GIS Data
Advances in Landsat Sensors
Since those first images in 1972, multiple Landsat satellites have been launched with the ability to take increasingly detailed pictures of our world.
Maps and Cartography
Mapping Urban Trees Using Google Street View imagery
A project by the MIT Senseable City Lab, dubbed Treepedia, has mapped the amount of trees that were growing in major urban areas.
GIS Data
Mapping Billions of Data Points in Milliseconds
With its GPU power, MapD can process and map billions of data points in milliseconds.
Spatial Analysis
Using Machine Learning and Satellite Imagery to Estimate Corn Crop Production
Descartes Lab, a start-up organization, has created crop production analysis that uses millions of satellite images and machine learning to produce accurate data about the production of agricultural crops.