This unique addition to reference literature provides an introduction to the major concepts and contemporary issues that are essential for students of environmental science and environmental studies to know. With over 200 entries authored by world-class names like Anthony Brazel, John Day and Edward Keller, this text is divided into six sections: Environmental Science, Environments, Paradigms & Concepts, Processes & Dynamics, Scales & Techniques, and Environmental Issues.  

Remote Sensing

Remote sensing

The commonplace meaning of this term has become the collection of data from orbital satellites. This is an important application but not the only one, since aerial photography, radar, radiometry and sound reflectance are all equally eligible for this category of data collection, which senses electromagnetic radiation at some distance to provide information about the environment. The range of sensors now available have become invaluable adjuncts to the environmental sciences since they make it possible to collect data from inaccessible or dangerous areas. Further, their methodology often makes it possible to scan large areas at a time: the progress of ice-melt over Antarctica, for example, or a time-series estimation of deforestation in tropical forests such as those of the Amazon. Areas of ...

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