Based at the University of California at Davis, CSTARS conducts research devoted to "interpretation of remote sensing imagery, applications of geographic information systems, and landscape modeling of vegetation,...

This feature article from the National Aeronautics and Space Administration's Earth Observatory discusses the use of satellite imagery to evaluate desertification which is occurring in the Sahel, a region of central...

This is an e-book of before-and-after Landsat images (1972-present), showing recent environmental events and introducing the concept of remote sensing. Some changes are due to natural causes and some are due to human...

This resource, published by a commercial producer of GPS equipment, introduces students to the concept of Global Positioning Systems (GPS). Topics include how GPS works and how accurate it is. There is also a brief...

In this exercise, students get experience with image classification. Images are an increasingly important source of information about land cover and land use over time because comparisons of historic and current images...