How Does Ground Clutter Affect CloudSat Snowfall Retrievals Over Ice Sheets?
International audience CloudSat has provided the first spaceborne snowfall observations in polar regions. Nevertheless, CloudSat retrievals may be affected by ground clutter even if the snowfall rate at the surface is estimated from the reflectivity measured at about 1200 m above land/ice surface. I...
Published in: | IEEE Geoscience and Remote Sensing Letters |
---|---|
Main Authors: | , , , , |
Other Authors: | , , , , , , , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
HAL CCSD
2019
|
Subjects: | |
Online Access: | https://hal.sorbonne-universite.fr/hal-02071794 https://hal.sorbonne-universite.fr/hal-02071794/document https://hal.sorbonne-universite.fr/hal-02071794/file/08584068.pdf https://doi.org/10.1109/LGRS.2018.2875007 |
id |
ftanrparis:oai:HAL:hal-02071794v1 |
---|---|
record_format |
openpolar |
institution |
Open Polar |
collection |
Portail HAL-ANR (Agence Nationale de la Recherche) |
op_collection_id |
ftanrparis |
language |
English |
topic |
Clouds Clutter Snow Ice Surface topography Antarctica Surface contamination [SDU.STU.ME]Sciences of the Universe [physics]/Earth Sciences/Meteorology [SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere |
spellingShingle |
Clouds Clutter Snow Ice Surface topography Antarctica Surface contamination [SDU.STU.ME]Sciences of the Universe [physics]/Earth Sciences/Meteorology [SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere Palerme, Cyril Claud, Chantal Wood, Norman, B L'Ecuyer, Tristan Genthon, Christophe How Does Ground Clutter Affect CloudSat Snowfall Retrievals Over Ice Sheets? |
topic_facet |
Clouds Clutter Snow Ice Surface topography Antarctica Surface contamination [SDU.STU.ME]Sciences of the Universe [physics]/Earth Sciences/Meteorology [SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere |
description |
International audience CloudSat has provided the first spaceborne snowfall observations in polar regions. Nevertheless, CloudSat retrievals may be affected by ground clutter even if the snowfall rate at the surface is estimated from the reflectivity measured at about 1200 m above land/ice surface. In this study, the impact of ground clutter contamination on CloudSat snowfall retrievals over the Antarctic and Greenland ice sheets is investigated. Our results suggest that ground clutter affects CloudSat snowfall observations over some areas, particularly over complex terrain such as mountain ranges and fjords. Over these areas, the snowfall rates deduced from CloudSat observations can be, therefore, significantly overestimated. This has implications when developing snowfall climatologies from CloudSat products. |
author2 |
Laboratoire de Météorologie Dynamique (UMR 8539) (LMD) Institut national des sciences de l'Univers (INSU - CNRS)-École polytechnique (X) Institut Polytechnique de Paris (IP Paris)-Institut Polytechnique de Paris (IP Paris)-École des Ponts ParisTech (ENPC)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Département des Géosciences - ENS Paris École normale supérieure - Paris (ENS-PSL) Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-École normale supérieure - Paris (ENS-PSL) Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL) Institut Pierre-Simon-Laplace (IPSL (FR_636)) Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris Diderot - Paris 7 (UPD7)-École polytechnique (X) Institut Polytechnique de Paris (IP Paris)-Institut Polytechnique de Paris (IP Paris)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS) Institut des Géosciences de l’Environnement (IGE) Institut de Recherche pour le Développement (IRD)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes 2016-2019 (UGA 2016-2019 ) ANR-15-CE01-0003,APRES3,Les précipitations antarctiques : télédétection depuis la surface et l'espace(2015) ANR-15-CE01-0015,AC-AHC2,Circulation atmosphérique et changement de cycle hydrologique pour l'Arctique(2015) |
format |
Article in Journal/Newspaper |
author |
Palerme, Cyril Claud, Chantal Wood, Norman, B L'Ecuyer, Tristan Genthon, Christophe |
author_facet |
Palerme, Cyril Claud, Chantal Wood, Norman, B L'Ecuyer, Tristan Genthon, Christophe |
author_sort |
Palerme, Cyril |
title |
How Does Ground Clutter Affect CloudSat Snowfall Retrievals Over Ice Sheets? |
title_short |
How Does Ground Clutter Affect CloudSat Snowfall Retrievals Over Ice Sheets? |
title_full |
How Does Ground Clutter Affect CloudSat Snowfall Retrievals Over Ice Sheets? |
title_fullStr |
How Does Ground Clutter Affect CloudSat Snowfall Retrievals Over Ice Sheets? |
title_full_unstemmed |
How Does Ground Clutter Affect CloudSat Snowfall Retrievals Over Ice Sheets? |
title_sort |
how does ground clutter affect cloudsat snowfall retrievals over ice sheets? |
publisher |
HAL CCSD |
publishDate |
2019 |
url |
https://hal.sorbonne-universite.fr/hal-02071794 https://hal.sorbonne-universite.fr/hal-02071794/document https://hal.sorbonne-universite.fr/hal-02071794/file/08584068.pdf https://doi.org/10.1109/LGRS.2018.2875007 |
genre |
Antarc* Antarctic Antarctica Greenland |
genre_facet |
Antarc* Antarctic Antarctica Greenland |
op_source |
ISSN: 1545-598X EISSN: 1558-0571 IEEE Geoscience and Remote Sensing Letters https://hal.sorbonne-universite.fr/hal-02071794 IEEE Geoscience and Remote Sensing Letters, 2019, 16 (3), pp.342-346. ⟨10.1109/LGRS.2018.2875007⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1109/LGRS.2018.2875007 hal-02071794 https://hal.sorbonne-universite.fr/hal-02071794 https://hal.sorbonne-universite.fr/hal-02071794/document https://hal.sorbonne-universite.fr/hal-02071794/file/08584068.pdf doi:10.1109/LGRS.2018.2875007 |
op_rights |
info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.1109/LGRS.2018.2875007 |
container_title |
IEEE Geoscience and Remote Sensing Letters |
container_volume |
16 |
container_issue |
3 |
container_start_page |
342 |
op_container_end_page |
346 |
_version_ |
1810489942360457216 |
spelling |
ftanrparis:oai:HAL:hal-02071794v1 2024-09-15T17:43:06+00:00 How Does Ground Clutter Affect CloudSat Snowfall Retrievals Over Ice Sheets? Palerme, Cyril Claud, Chantal Wood, Norman, B L'Ecuyer, Tristan Genthon, Christophe Laboratoire de Météorologie Dynamique (UMR 8539) (LMD) Institut national des sciences de l'Univers (INSU - CNRS)-École polytechnique (X) Institut Polytechnique de Paris (IP Paris)-Institut Polytechnique de Paris (IP Paris)-École des Ponts ParisTech (ENPC)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Département des Géosciences - ENS Paris École normale supérieure - Paris (ENS-PSL) Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-École normale supérieure - Paris (ENS-PSL) Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL) Institut Pierre-Simon-Laplace (IPSL (FR_636)) Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris Diderot - Paris 7 (UPD7)-École polytechnique (X) Institut Polytechnique de Paris (IP Paris)-Institut Polytechnique de Paris (IP Paris)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS) Institut des Géosciences de l’Environnement (IGE) Institut de Recherche pour le Développement (IRD)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes 2016-2019 (UGA 2016-2019 ) ANR-15-CE01-0003,APRES3,Les précipitations antarctiques : télédétection depuis la surface et l'espace(2015) ANR-15-CE01-0015,AC-AHC2,Circulation atmosphérique et changement de cycle hydrologique pour l'Arctique(2015) 2019-03 https://hal.sorbonne-universite.fr/hal-02071794 https://hal.sorbonne-universite.fr/hal-02071794/document https://hal.sorbonne-universite.fr/hal-02071794/file/08584068.pdf https://doi.org/10.1109/LGRS.2018.2875007 en eng HAL CCSD IEEE - Institute of Electrical and Electronics Engineers info:eu-repo/semantics/altIdentifier/doi/10.1109/LGRS.2018.2875007 hal-02071794 https://hal.sorbonne-universite.fr/hal-02071794 https://hal.sorbonne-universite.fr/hal-02071794/document https://hal.sorbonne-universite.fr/hal-02071794/file/08584068.pdf doi:10.1109/LGRS.2018.2875007 info:eu-repo/semantics/OpenAccess ISSN: 1545-598X EISSN: 1558-0571 IEEE Geoscience and Remote Sensing Letters https://hal.sorbonne-universite.fr/hal-02071794 IEEE Geoscience and Remote Sensing Letters, 2019, 16 (3), pp.342-346. ⟨10.1109/LGRS.2018.2875007⟩ Clouds Clutter Snow Ice Surface topography Antarctica Surface contamination [SDU.STU.ME]Sciences of the Universe [physics]/Earth Sciences/Meteorology [SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere info:eu-repo/semantics/article Journal articles 2019 ftanrparis https://doi.org/10.1109/LGRS.2018.2875007 2024-08-07T23:32:50Z International audience CloudSat has provided the first spaceborne snowfall observations in polar regions. Nevertheless, CloudSat retrievals may be affected by ground clutter even if the snowfall rate at the surface is estimated from the reflectivity measured at about 1200 m above land/ice surface. In this study, the impact of ground clutter contamination on CloudSat snowfall retrievals over the Antarctic and Greenland ice sheets is investigated. Our results suggest that ground clutter affects CloudSat snowfall observations over some areas, particularly over complex terrain such as mountain ranges and fjords. Over these areas, the snowfall rates deduced from CloudSat observations can be, therefore, significantly overestimated. This has implications when developing snowfall climatologies from CloudSat products. Article in Journal/Newspaper Antarc* Antarctic Antarctica Greenland Portail HAL-ANR (Agence Nationale de la Recherche) IEEE Geoscience and Remote Sensing Letters 16 3 342 346 |