By James K. Lein
Remote sensing has witnessed a renaissance as new sensor platforms, info assortment functions and snapshot processing methodologies have elevated the technological functions of this technology into new and critical purposes components. maybe nowhere has this pattern been extra obvious than within the learn of earth environments. inside of this large software zone distant sensing has confirmed to be a useful asset helping well timed information collecting at a variety of synoptic scales, facilitating the mapping of advanced landscapes and selling the research of environmental method. but distant sensing’s contribution to the research of human/environmental interplay is scattered all through a wealthy and various literature spanning the social and actual sciences, which frustrates entry to, and the sharing of the information won via, those contemporary advances, and inhibits the operational use of those tools and methods in each day environmental perform, a well-known hole that reduces the effectiveness of environmental administration courses. the target of this publication is to deal with this hole and supply the synthesis of approach and alertness that's presently lacking within the environmental technology, re-introducing distant sensing as a massive decision-support technology.
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Additional resources for Environmental Sensing: Analytical Techniques for Earth Observation
In some cases, disturbances act at random within the landscape, while other events spread from a beginning point through the system over time. As a sensible quality, disturbances operate in a heterogeneous manner, since some features with the landscape are more susceptible to an event than are others. It is important to recognize that disturbance is an integral part of all environmental systems, and landscapes are defined in part by a common disturbance regime (pattern) (Gordon and Forman 1983).
Decision making, however, does not take place in a vacuum. Rather the choices made describe a process driven by interconnected society needs and desires. The driving forces that direct human–environmental decision making fall into five broad categories: 1. Population demand – Each of us make demands on the environmental system for food, clothing shelter, and other services in support of our life styles. Greater numbers or increasing concentrations of people expand our ecological footprints and elevate demand for resources needed to sustain our activities.
Connecting our discussion of uncertainty back to the question of environmental sensing gives definition to the trends that accent our need for a better understanding of system behavior and change. Here, six major foci dominate and help frame environmental remote sensing investigations: 1. 2. 3. 4. 5. 6. 7 The Role of Measurement To measure objects at a distance encapsulates the science of remote sensing. Our ability to understand the complexities of the environment remotely and manage the realities imposed by uncertainty is only as good as the measurement permits.
Environmental Sensing: Analytical Techniques for Earth Observation by James K. Lein