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New Developments in Integrating Imagery with GIS and ESRI TV, a YouTube Channel

The boundary between GIS and Remote Sensing is becoming increasingly blurred. Two presentations recently given at the ESRI Federal User Conference give further evidence of this by demonstrating new capabilities of integrating imagery into GIS-based analysis. Read More...
Posted Friday, March 20, 2009 2:38 AM by tbaker | 0 Comments
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The First Global Land Cover Map and Data Set

The POSTEL Service Centre / MEDIAS-France have made the first global land cover data at 300 meters resolution freely downloadable. This land cover map discriminates continental ecosystems according to 22 classes validated by independent experts at the Read More...
Posted Friday, December 05, 2008 2:39 AM by tbaker | 0 Comments

Earth Changes with Historical and Current Imagery, Part 2

In an earlier blog entry, we discussed how to access TerraLook ( http://terralook.cr.usgs.gov ) for imagery from about 1975, 1990, 2000, and up to the present to examine changes on the Earth’s surface over time. Now let’s discuss using the data in detail. Read More...
Posted Friday, November 14, 2008 2:13 AM by tbaker | 0 Comments

Earth Changes with Historical and Current Imagery, Part 1

One of the most useful applications of remote sensing and GIS in education is to examine landscapes change over time. Whether from seasons, natural disasters, or human impact, bringing home the point that the Earth is a dynamic planet is one of the critical Read More...
Posted Friday, November 07, 2008 2:02 AM by tbaker | 0 Comments

Continental Drift On The High Plains?

I recently taught a GIS-GPS workshop at North Platte Community College. Its large buildings are visible in the east central part of the Digital Globe satellite image below as displayed on Google Maps. The view is not one image, but two. Look more closely Read More...
Posted Wednesday, July 02, 2008 2:40 AM by tbaker | 0 Comments
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The USGS Seamless Data Distribution System

Looking for good basemap data for your local area? The Seamless Data Distribution System (seamless.usgs.gov) provides elevation, aerial photos, land cover, roads, and water features for the conterminous United States, available for download at no or low Read More...
Posted Thursday, October 25, 2007 1:23 PM by tbaker | 0 Comments
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