Tag: gis data
GIS Data Resources by Country
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Mapping Access to Safe Water
World Water Day is held on March 22 each year as a way to bring global attention to the world’s freshwater resources. Started by the United Nations, the theme for this year’s World Water Day is Water and Food Security. Access to clean water is not just necessary for hydration, but is needed to produce [...]
Geocoding
Geocoding is a way of georeferencing data by using a GIS data layer that has locational information. For example, a geographic dataset showing street information which includes the street name and the beginning and ending address tied to each street segment could be used to geocode a database with addresses. The process creates a derivative [...]
1940 U.S. Census Records Release Date Nears
The detailed records from the 1940 U.S. Census are set to be released on April 2, 2012 at 9am Eastern Time. In additon to the standard questions of name, age, gender, and race, education, and place of birth, the 1940 U.S. Census also asked more detailed questions: The instructions ask the enumerator to enter a circled [...]
Spatial Humanities: Step by Step GIS Instructions
The Spatial Humanities site has a growing list of step by step instructions on how to create and work with GIS data using such spatial technologies as ArcGIS, HyperCities, Google’s Fusion Tables, and Google Maps. The latest set of instructions provides downloadable sample files to run the user through heads up digitizing in order to [...]
