"Now in a revised and updated fourth edition, this popular text introduces students to widely used forms of remote sensing imagery and their applications in plant sciences, hydrology, earth sciences, and land use analysis. Providing comprehensive coverage of principal topics in the field, the book's 4 sections and 21 chapters are carefully designed as independent units that instructors can select from as needed for their courses. Illustrations include 28 color plates and nearly 400 black-and-white images and figures."--BOOK JACKET