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Published in: Earth Science Informatics 2/2023

20-03-2023 | RESEARCH

Inversion model for snow geophysical parameters estimation using sentinel–1 stokes parameter

Authors: Manmit Kumar Singh, Rishikesh Bharti

Published in: Earth Science Informatics | Issue 2/2023

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Abstract

The geophysical properties of snow are essential to study the mountain snow/glacier system and can be used as an indicator for any related hazard. In this study, an attempt has been made to model the geophysical properties of snow, such as dielectric, density, and wetness using the Sentinel–1 dual-polarized SLC product. A state-of-the-art inversion model has been developed using Sentinel–1 derived stokes parameters to estimate snow dielectric and subsequently used to model density and wetness employing Looyega's and Denoth's equations. The proposed inclusion of stokes parameters in the inversion model has significantly predicted the results. The respective modeled and in-situ snow dielectric, density, and wetness show a good coefficient of determination (R2 > 0.7) with 95% confidence. Utilizing the field-measured values, the estimated root mean squared error (RMSE) of snow dielectric, density, and wetness, is 0.26, 0.08 g/cm3, and 0.84, respectively. The comparison of the proposed model with some of the existing models reflects its good efficiency in predicting the snow geophysical parameters.

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Metadata
Title
Inversion model for snow geophysical parameters estimation using sentinel–1 stokes parameter
Authors
Manmit Kumar Singh
Rishikesh Bharti
Publication date
20-03-2023
Publisher
Springer Berlin Heidelberg
Published in
Earth Science Informatics / Issue 2/2023
Print ISSN: 1865-0473
Electronic ISSN: 1865-0481
DOI
https://doi.org/10.1007/s12145-023-00984-y

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