Mapping Heat in U.S. Cities
NOAA has been coordinating an effort to map urban heat islands in cities across the United States.
Understanding Map Scale
Map scale refers to the ratio between the distance on a map and the corresponding distance on the Earth’s surface.
Overview of Elevation Data
This article reviews some of terminology and types of elevation based datasets available to GIS.
Highly Detailed Seafloor Maps
Researchers from MBARI have developed methods to map the ocean floor at incredibly high resolution.
Mapping Coastal Ecosystem Change
A collaboration initiative, called coastTrain, helps to provide data so that scientists can better address challenges coastal regions face.
Where to Find Tectonic Plate GIS Data
There are a few sources of freely available tectonic plate data available in various GIS data formats.
Mapping Long-term Land Use Change with Remote Sensing Data
The USGS’ Land Change Monitoring, Assessment, and Projection (LCMAP) initiative is helping to better monitor the Earth and long-term land use change.
GIS Data: A Look at Accuracy, Precision, and Types of Errors
What are the types of error found in GIS data? This article reviews the difference between accuracy and precision and explains the most common types of error found in GIS data.
Types of GIS Data Explored: Vector and Raster
This article discussions different types of GIS data in both vector and raster formats.
Mapping Heat Vulnerability from Satellite Data
Satellites are being used to measure heat not only on urban heat islands, but also on farms and other locations where rising temperatures are having an impact.
Mapping the Earth’s Freshwater Bodies
Over 95% of the world’s lakes, rivers, and freshwater reservoirs will be measured by a new satellite mission called Surface Water and Ocean Topography (SWOT).
FABDEM: 30 Meter Resolution Bare Earth DEM from Fathom
FABDEM is the first global Digital Elevation Model (DEM) with forests and buildings removed at a 30m resolution.