Far-Infrared Radiative Properties of Water Vapor and Clouds in Antarctica
Abstract Water vapor and clouds are among the most important greenhouse components whose radiative features cover all the broad spectral range of the thermal emission of the atmosphere. Typically more than 40% of the total thermal emission of Earth occurs in the far-infrared (FIR) spectral region fr...
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ftopenaccessrep:oai:zenodo.org:106903 2023-10-25T01:30:57+02:00 Far-Infrared Radiative Properties of Water Vapor and Clouds in Antarctica Giovanni Bianchini Massimo Del Guasta Luca Palchetti Gianluca Di Natale 2015-09-01 https://www.openaccessrepository.it/record/106903 https://doi.org/10.1175/bams-d-13-00286.1 eng eng url:https://www.openaccessrepository.it/communities/itmirror https://www.openaccessrepository.it/record/106903 doi:10.1175/bams-d-13-00286.1 info:eu-repo/semantics/openAccess Rural Digital Europe NEANIAS Atmospheric Research Community Atmospheric Science info:eu-repo/semantics/article publication-article 2015 ftopenaccessrep https://doi.org/10.1175/bams-d-13-00286.1 2023-09-26T22:18:46Z Abstract Water vapor and clouds are among the most important greenhouse components whose radiative features cover all the broad spectral range of the thermal emission of the atmosphere. Typically more than 40% of the total thermal emission of Earth occurs in the far-infrared (FIR) spectral region from 100 to 667 cm−1 (wavelengths from 100 to 15 µm). Nevertheless, this spectral region has not ever been fully covered down to 100 cm−1 by space missions, and only a few ground-based experiments exist because of the difficulty of performing measurements from high altitude and very dry locations where the atmosphere is sufficiently transparent to observe the FIR emission features. To cover this lack of observations, the Italian experiment "Radiative Properties of Water Vapor and Clouds in Antarctica" has collected a 2-yr dataset of spectral measurements of the radiance emitted by the atmosphere and by clouds, such as cirrus and polar stratospheric clouds, from 100 to 1,400 cm−1 (100–7 µm of wavelength), including the underexplored FIR region, along with polarization-sensitive lidar observations, daily radiosondes, and other ancillary information to characterize the atmosphere above the site. Measurements have been performed almost continuously with a duty cycle of 6 out of 9 h, from the Italian–French base of Concordia at Dome C over the Antarctic Plateau at 3,230 m MSL, in all-sky conditions since 2012. Because of the uniqueness of the observations, this dataset will be extremely valuable for evaluating the accuracy of atmospheric absorption models (both gas and clouds) in the underexplored FIR and to detect possible daily, seasonal, and annual climate signatures. Article in Journal/Newspaper Antarc* Antarctic Antarctica Istituto Nazionale di Fisica Nucleare (INFN): Open Access Repository Antarctic The Antarctic Bulletin of the American Meteorological Society 96 9 1505 1518 |
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Open Polar |
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Istituto Nazionale di Fisica Nucleare (INFN): Open Access Repository |
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ftopenaccessrep |
language |
English |
topic |
Rural Digital Europe NEANIAS Atmospheric Research Community Atmospheric Science |
spellingShingle |
Rural Digital Europe NEANIAS Atmospheric Research Community Atmospheric Science Giovanni Bianchini Massimo Del Guasta Luca Palchetti Gianluca Di Natale Far-Infrared Radiative Properties of Water Vapor and Clouds in Antarctica |
topic_facet |
Rural Digital Europe NEANIAS Atmospheric Research Community Atmospheric Science |
description |
Abstract Water vapor and clouds are among the most important greenhouse components whose radiative features cover all the broad spectral range of the thermal emission of the atmosphere. Typically more than 40% of the total thermal emission of Earth occurs in the far-infrared (FIR) spectral region from 100 to 667 cm−1 (wavelengths from 100 to 15 µm). Nevertheless, this spectral region has not ever been fully covered down to 100 cm−1 by space missions, and only a few ground-based experiments exist because of the difficulty of performing measurements from high altitude and very dry locations where the atmosphere is sufficiently transparent to observe the FIR emission features. To cover this lack of observations, the Italian experiment "Radiative Properties of Water Vapor and Clouds in Antarctica" has collected a 2-yr dataset of spectral measurements of the radiance emitted by the atmosphere and by clouds, such as cirrus and polar stratospheric clouds, from 100 to 1,400 cm−1 (100–7 µm of wavelength), including the underexplored FIR region, along with polarization-sensitive lidar observations, daily radiosondes, and other ancillary information to characterize the atmosphere above the site. Measurements have been performed almost continuously with a duty cycle of 6 out of 9 h, from the Italian–French base of Concordia at Dome C over the Antarctic Plateau at 3,230 m MSL, in all-sky conditions since 2012. Because of the uniqueness of the observations, this dataset will be extremely valuable for evaluating the accuracy of atmospheric absorption models (both gas and clouds) in the underexplored FIR and to detect possible daily, seasonal, and annual climate signatures. |
format |
Article in Journal/Newspaper |
author |
Giovanni Bianchini Massimo Del Guasta Luca Palchetti Gianluca Di Natale |
author_facet |
Giovanni Bianchini Massimo Del Guasta Luca Palchetti Gianluca Di Natale |
author_sort |
Giovanni Bianchini |
title |
Far-Infrared Radiative Properties of Water Vapor and Clouds in Antarctica |
title_short |
Far-Infrared Radiative Properties of Water Vapor and Clouds in Antarctica |
title_full |
Far-Infrared Radiative Properties of Water Vapor and Clouds in Antarctica |
title_fullStr |
Far-Infrared Radiative Properties of Water Vapor and Clouds in Antarctica |
title_full_unstemmed |
Far-Infrared Radiative Properties of Water Vapor and Clouds in Antarctica |
title_sort |
far-infrared radiative properties of water vapor and clouds in antarctica |
publishDate |
2015 |
url |
https://www.openaccessrepository.it/record/106903 https://doi.org/10.1175/bams-d-13-00286.1 |
geographic |
Antarctic The Antarctic |
geographic_facet |
Antarctic The Antarctic |
genre |
Antarc* Antarctic Antarctica |
genre_facet |
Antarc* Antarctic Antarctica |
op_relation |
url:https://www.openaccessrepository.it/communities/itmirror https://www.openaccessrepository.it/record/106903 doi:10.1175/bams-d-13-00286.1 |
op_rights |
info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.1175/bams-d-13-00286.1 |
container_title |
Bulletin of the American Meteorological Society |
container_volume |
96 |
container_issue |
9 |
container_start_page |
1505 |
op_container_end_page |
1518 |
_version_ |
1780742612870758400 |