Date archive for March, 2009
March 21, 2009Time and GIS: Ways of Representing Time on a MapCartographyThe famous geographer Immanuel Kant maintained that geography was the study of knowledge in a location, while history was the study of knowledge in time. Since a map is a stationary object that’s meant to represent a physical location, it’s tempting to think that it wouldn’t allow you to display changes over time the way ... read more Extensions for ArcView 3.xSoftwareSources of free and commercial ArcView 3x extensions. Extensions are add-on utilities that increase the functionality of this older (and unsupported) version of Esri’s desktop GIS application. Columbia Mapping Extensions Keith Massie’s site for select ArcView extensions for downloading. Coulter Mapping Solutions Select extensions available for downloading after online purchase. Cyze & Associates Download free ... read more March 16, 2009MIT Map Collection ClosingMapsAs a result off mandated budget cuts, the Lindgren Library is one of two branches at the Massachusetts Institute of Technology that will be closing. The Lindgren Library serves the Earth, Atmospheric, and Planetary Sciences Department. Part of the casualty of the library closing is the loss of access to roughly 30,000 maps that are ... read more March 10, 2009Teaching with Google EarthGeographyCarlton College has several online resources for using Google Earth as a teaching aid for geoscience education. Their “Teaching with Google Earth” provides a comprehensive set of resources for understanding and using Google Earth as a teaching tool. The “Examples of Google Earth Activities” has a list of activities that can be used in the ... read more March 5, 2009Geography of a RecessionGeographyThe NY Times (which, in my opinion always does a great job at information design) has another interactive map of the United States showing the unemployment rate by county. The graphic is a companion piece to a the recent article by David Leonhardt entitled “Job Losses Show Breadth of Recession“. The map shows a correlation ... read more March 2, 2009Restricting Internet Mapping ImageryIssues in GISA California Assemblyman, Joel Anderson, is trying to find a committee home for his proposed bill to restrict the publication of imagery covering certain buildings on Internet mapping sites. His bill would call for the blurring of imagery covering what he calls “soft terrorism” targets: schools, hospitals, churches and all government buildings. His apparent inspiration is ... read more Help the USGS Track Signs of Climate ChangeGeographyTaking the Pulse of our Planet: Volunteers Needed to Track Seasonal Signs of Climate Change Released: 3/2/2009 12:00:00 PM In partnership with: USA National Phenology Network, University of Arizona Volunteers across the nation are being recruited to get outdoors and help track the effects of climate on seasonal changes in plant and animal ... read more |

