history

Historical Geography and GIS

December 21, 2011By Caitlin DempseyGIS Learning

Historical GIS is the use of GIS data to document the given geography of an area in history. GIS can be used in historical geography research to map out ancient areas and the changes in cities and places over time. NHGIS (National Historical Geographic Information System) stores historical GIS data […]

Spatial History Project

December 2, 2009By Caitlin DempseyGIS Learning

Located at Stanford University, the Spatial History Project seeks to bring “together scholars working on projects at the intersection of geography and history using Geographic Information Systems (GIS) in their research.” The projects listed marry geospatial technologies with historical research. Use the Google Earth to journey along with Alfred A. Hart, who […]

Retreat of the Helheim Glacier between 2001 and 2005. Images from Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on NASA’s Terra satellite.

Creating a Time Series Visualization of Two Decades of Changes in a Glacier

NASA has created a time series visualization of Greenland’s Helheim Glacier using 20 years of data from radar, lasers, and high-resolution cameras.

Mapping Noise Pollution

As noise pollution continues to be a major issue for expanding urban areas, novel geospatial technologies have been deployed to better monitor and measure noise pollution.

Elements of a Map

Maps are the primary tools by which spatial relationships are visualized. Maps therefore become important documents. There are several key elements that should be included each time a map is created in order to aid the viewer in understanding the communications of that map and to document the source of […]

Learn GIS for Free

There are a few online options to learn GIS for free. Take advantage of resources that provide you access to free courses from some of the world’s best universities and institutions. Learn GIS on your own or supplement your existing geospatial education with these free resources.