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Microwave Indices from Active and PassivesSensors forr remotes sensing applications

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Past research has comprehensively assessed the capabilities of satellite sensors operating at microwave frequencies, both active (SAR, scatterometers) and passive (radiometers), for the remote sensing of Earth’s surface. Besides brightness temperature and backscattering coefficient, microwave indices, defined as a combination of data collected at different frequencies and polarizations, revealed a good sensitivity to hydrological cycle parameters such as surface soil moisture, vegetation water content, and snow depth and its water equivalent. The differences between microwave backscattering and emission at more frequencies and polarizations have been well established in relation to these parameters, enabling operational retrieval algorithms based on microwave indices to be developed. This Special Issue aims at providing an overview of microwave signal capabilities in estimating the main land parameters of the hydrological cycle, e.g., soil moisture, vegetation water content, and snow water equivalent, on both local and global scales, with a particular focus on the applications of microwave indices.

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Series Title

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Call Number

507 SAN m

Publisher

Basel, Switzerland : MDPI - Multidisciplinary Digital Publishing Institute., 2019

Collation

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Language

English

ISBN/ISSN

9783038978213

Classification

507

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Edition

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Subject(s)

Science

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