Thorough information on status of land degradation is essential to check the problem and to implement remedial measures. Remote Sensing is a very useful tool and technique to prepare reliable information on land degradation. And, for planning a developmental and/or reclamation program, the basic pre-requisite is information on the current status of land and of various processes involved in inducing and enhancing degradation. In other words, a very detailed database is essential to take decisions and implement plans for sustaining land as a resource. This book adopts qualitative...