About the Maps

Distance to the Nearest McDonald's

Tue, 31 Aug 2010 09:52:40 -0400

Source: Weather Sealed: Tasty morsels of art, science, photography, and life, cradled in a tasty shell of monkey business.

Soil Moisture Regimes

Sun, 20 Sep 2009 11:16:08 -0400

Source: US Department of Agriculture National Resources Conservation Service.

Night Lights

Sun, 20 Sep 2009 10:50:48 -0400

Source: This image comes from Astronomy Picture of the Day. Click on the map to go directly to the original image.

Population Density (By Counties)

Sun, 20 Sep 2009 00:14:35 -0400

Source: US Census Bureau. And they include Alaska and Hawaii.

Biomes of North America

Sat, 19 Sep 2009 14:39:39 -0400

Source: Clicking the map will take you to the page within NASA’s Remote Sensing Tutorial that uses the image. The original source of the image, the University of Tennessee’s Botany 120 course website is no longer ‘live,’ however, the page is available in The Internet Archive. A more detailed key is included in the archived site.

Maximum Temperature: July Climatology (1971 - 2000)

Sat, 19 Sep 2009 14:28:32 -0400

Source: Oregon State University’s Prism Climate Group. Click on the map to go directly to the original image.

Temperature color coding within the VFE database is drawn from the slightly different scheme used by the National Weather Service in its temperature maps.