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1. www.sciencedirect.com › science › articleEstimating snow depth based on dual polarimetric radar index ...

   www.sciencedirect.com › science › article

   Jun 1, 2024 · This framework is based on the dual-polarimetric radar vegetation index (DpRVI c), which enhances the snow volume scattering signal and reduces soil interference by integrating soil purity and a conditioning factor to fully exploit the advantages of polarimetric SAR information.

2. www.sciencedirect.com › science › articleSnow depth retrieval method for PolSAR data using multi ...

   www.sciencedirect.com › science › article

   The backscattering component of dry snow is mainly composed of volume scattering from the snowpack and surface scattering from the snow-ground interface. However, the existing method for retrieving SD using PolSAR data has the problems of over-reliance on in-situ data and ignoring surface scattering from the snow-ground interface.

3. www.nature.com › articles › s41467/019/12566-ySnow depth variability in the Northern Hemisphere mountains ...

   www.nature.com › articles › s41467/019/12566-y

   Oct 11, 2019 · The co-polarized σ 0 vv measurements (Fig. 3, left column) show little variation throughout the winter, due to the limited absorption or scattering by dry snow in vv-polarization at C-band.

   • Author: Hans Lievens, Hans Lievens, Matthias Demuzere, Matthias Demuzere, Hans-Peter Marshall, Hans-Peter Ma...

   • Publish Year: 2019

4. www.sciencedirect.com › science › articleComparison between a multi-scattering and multi-layer snow ...

   www.sciencedirect.com › science › article

   May 17, 2010 · The analysis suggests that (1) the importance of multiple-scattering effects increases with an increasing particle size or single-scattering albedo for a given radar frequency; (2) Crystal shape effects can be important for radar depolarization return when snow volume scattering is low or moderate, while multiple scattering becomes a major ...

   • Author: Jinyang Du, Jiancheng Shi, Jiancheng Shi, Helmut Rott

   • Publish Year: 2010

5. www.researchgate.net › publication › 380348371Estimating snow depth based on dual polarimetric radar index ...

   www.researchgate.net › publication › 380348371

   Apr 24, 2024 · soil signals can affect the accurate quanti cation of snow volume scattering signals. The aim of this study was to develop a dual-polarimetric radar snow depth estimation (DpRSE)...

6. agupubs.onlinelibrary.wiley.com › doi › 10Identification of Snow Using Fully Polarimetric SAR Data ...

   agupubs.onlinelibrary.wiley.com › doi › 10

   Jan 23, 2020 · Fully polarimetric SAR (PolSAR) data are widely used for the studies of snow geophysical parameters requiring good quality snow cover area (SCA) maps. There are limited methods in the literature for SCA mapping using fully PolSAR data.

7. People also ask

   Does soil polarization affect snow volume scattering?

   • They successfully estimated snow depth in the mountainous regions of the Northern Hemisphere using the cross-polarization ratio method, creating a new means for the application of polarization characteristics in snow depth retrieval. However, soil signals may affect the accurate quantification of snow volume scattering signals.

   Estimating snow depth based on dual polarimetric radar index

   www.sciencedirect.com/science/article/pii/S1569843224002279

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   Does soil interference affect snow volume scattering?

   • Abstract The sensitivity of synthetic aperture radar (SAR) polarization information to snow depth changes provides new opportunities for regional snow depth retrieval in mountains with thick snow cover. However, interference from soil signals can affect the accurate quantification of snow volume scattering signals.

   Estimating snow depth based on dual polarimetric radar index

   www.sciencedirect.com/science/article/pii/S1569843224002279

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   How does polarization affect snow depth retrieval?

   • Snow depth retrieval using SAR data based on polarization information faces several key challenges. First, SAR signals are considerably influenced by diverse surface conditions, vegetation cover, and complex terrain. These factors can change the scattering properties of SAR signals, thereby impacting the retrieval accuracy.

   Estimating snow depth based on dual polarimetric radar index

   www.sciencedirect.com/science/article/pii/S1569843224002279

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   Does snow volume scattering affect cross polarization ratio?

   • According to the study outlined by Lievens et al. (2022), there is a significant correlation between the cross-polarization ratio (CR) and snow volume scattering, with the CR increasing as the snowpack thickness increases.

   Estimating snow depth based on dual polarimetric radar index

   www.sciencedirect.com/science/article/pii/S1569843224002279

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   Does snow volume scattering affect snow depth?

   • The snow volume scattering component in vh-polarization is no longer negligible compared to the contribution of the ground surface. The cross-polarization ratio σ 0vh / σ 0vv (in linear scale, converted to dB) shows overall a stronger correlation with snow depth than σ 0vh (Fig. 3, middle and right columns).

   Snow depth variability in the Northern Hemisphere mountains observed

   www.nature.com/articles/s41467-019-12566-y

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   How much does snow attenuation affect surface scattering?

   • The results show that the rough soil surface scattering contribution, including snow attenuation, is around −12 dB at X-band and decreases to −14 dB at 17.2 GHz; higher frequencies such as Ku-band typically experience higher volume scattering and greater attenuation of the surface scattering contributions.

   TC - Review article: Global monitoring of snow water equivalent using

   tc.copernicus.org/articles/16/3531/2022/

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8. tc.copernicus.org › articles › 16/3531/2022Review article: Global monitoring of snow water equivalent ...

   tc.copernicus.org › articles › 16/3531/2022

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   Sep 2, 2022 · The results show that the rough soil surface scattering contribution, including snow attenuation, is around −12 dB at X-band and decreases to −14 dB at 17.2 GHz; higher frequencies such as Ku-band typically experience higher volume scattering and greater attenuation of the surface scattering contributions. Continued studies are required to ...