January 2013


Forests in SE U.S.
Jan 17, 2013Detecting Forest Change in the Southeast U.S.

The southeastern United States is a hotspot for forestry activity. The cyclical harvest and planting of trees on lands dedicated to timber and pulp production result in some of the highest rates of forest change observed in the country. Over the [...]

Washington's Olympic Peninsula
Jan 16, 2013Determining range readiness, biomass and health

Contributor: Curtis E. Woodcock, Boston University Fire, drought, and humans all can destroy forests and their ecosystems. While much attention is paid to deforestation in tropical rainforests, very few comprehensive studies have been done to [...]

Jan 14, 2013Sensing Forest Disturbance: Landsat Sees Insect Outbreaks From Space

A new way of studying and visualizing Earth science data from a NASA and U.S. Geological Survey satellite program is resulting in, for the first time, the ability to tease out the small events that can cause big changes in an ecosystem. Called [...]

Landsat TM mosaic of Minnesota made with six Landsat images
Jun 18, 2006Characterizing forest range vegetation

A mosaic of Landsat Thematic Mapper (TM) images with overlays of aerial photography flightlines (N-S lines) and boundaries of physiographic strata was created to help inventory the forests of Minnesota. The image data for the project consisted [...]

Jan 15, 2000Monitoring crop and forest harvests

Contributor: David Skole Michigan State University Even though tropical deforestation is a well-known problem, the rate of deforestation in the tropics is currently known to only a very general degree. Recent research using Landsat images of [...]

Maricopa Agricultural Center, Arizona.
May 21, 1997Precision farming land management

Contributor: Susan Moran, U.S. Department of Agriculture For farmers and land managers, increasing crop yields and cutting costs while reducing environmental pollution is a constant challenge. To accomplish this goal, many farm managers are [...]

mosaic of the Imperial Valley
Jun 30, 1992Monitoring irrigation practices

Location: Imperial Valley, California Source: USGS Earthshots The Imperial Valley is actually an extension of the Gulf of California, cut off from the Gulf by the Colorado River's delta fan. The area south of the border is known as the Mexicali [...]

Landsat TM image of the Harrisburg region acquired on Oct. 30, 1984.
Oct 30, 1984Mapping major geologic features

Location: Harrisburg, Pennsylvania This Landsat view shows Harrisburg and the Appalachian Mountains of central Pennsylvania. The Piedmont province is visible in the lower right corner. The Great Valley runs SW-NE across the center of view, and [...]