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1 introduction to remote sensing

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Jomo Kenyatta University of Agriculture and Technology JKUAT
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JOMO KENYATTA UNIVERSITY OF AGRICULTURE AND TECHNOLOGY DEGREE OF BSC IN LAND RESOURCE PLANNING MANAGEMENT SECOND YEAR STUDENTS 2ND SEMESTER 2015/2016 JANUARY TO APRIL 2016 COURSE: ALP 2206: REMOTE SENSING 1 INTRODUCTION TO REMOTE SENSING. What is remote sensing? Remote sensing can be defined as the collection of data about an object from a distance. Humans and many other types of animals accomplish this task with aid of eyes or by the sense of smell or hearing. "Remote sensing is the science (and to some extent, art) of acquiring information about the Earth's surface without actually being in contact with it. This is done by sensing and recording reflected or emitted energy and processing, analyzing, and applying that information." The science and art of obtaining information about features or phenomena from data acquired by a device that records reflected, emitted, or diffracted electromagnetic energy, and is not in direct contact with the features or phenomena under investigation Partially adapted from Lillesand and Keifer, 2000 Remote sensing is defined as the science of acquiring, processing, and interpreting images and related data obtained from aircraft and spacecraft that record the interaction between matter and electromagnetic energy (Sabins, 2007). Remote sensing is the science and art of obtaining and interpreting information about an object, area, or phenomenon through the analysis of data acquired by a sensor that is not in contact with the object, area, or ph ...
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