Spatiotemporal changes in aerosol properties by hygroscopic growth and impacts on radiative forcing and heating rates during DISCOVER-AQ 2011
This work focuses on the characterization of vertically resolved aerosol hygroscopicity properties and their direct radiative effects through a unique combination of ground-based and airborne remote sensing measurements during the Column and Vertically Resolved Observations Relevant to Air Quality (...
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Copernicus Publications
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ftnonlinearchiv:oai:noa.gwlb.de:cop_mods_00057724 2023-05-15T13:07:12+02:00 Spatiotemporal changes in aerosol properties by hygroscopic growth and impacts on radiative forcing and heating rates during DISCOVER-AQ 2011 Pérez-Ramírez, Daniel Whiteman, David N. Veselovskii, Igor Ferrare, Richard Titos, Gloria Granados-Muñoz, María José Sánchez-Hernández, Guadalupe Navas-Guzmán, Francisco 2021-08 electronic https://doi.org/10.5194/acp-21-12021-2021 https://noa.gwlb.de/receive/cop_mods_00057724 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00057374/acp-21-12021-2021.pdf https://acp.copernicus.org/articles/21/12021/2021/acp-21-12021-2021.pdf eng eng Copernicus Publications Atmospheric Chemistry and Physics -- http://www.atmos-chem-phys.net/volumes_and_issues.html -- http://www.bibliothek.uni-regensburg.de/ezeit/?2069847 -- 1680-7324 https://doi.org/10.5194/acp-21-12021-2021 https://noa.gwlb.de/receive/cop_mods_00057724 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00057374/acp-21-12021-2021.pdf https://acp.copernicus.org/articles/21/12021/2021/acp-21-12021-2021.pdf https://creativecommons.org/licenses/by/4.0/ uneingeschränkt info:eu-repo/semantics/openAccess CC-BY article Verlagsveröffentlichung article Text doc-type:article 2021 ftnonlinearchiv https://doi.org/10.5194/acp-21-12021-2021 2022-02-08T22:33:28Z This work focuses on the characterization of vertically resolved aerosol hygroscopicity properties and their direct radiative effects through a unique combination of ground-based and airborne remote sensing measurements during the Column and Vertically Resolved Observations Relevant to Air Quality (DISCOVER-AQ) 2011 field campaign in the Baltimore–Washington DC metropolitan area. To that end, we combined aerosol measurements from a multiwavelength Raman lidar located at NASA Goddard Space Flight Center and the airborne NASA Langley High Spectral Resolution Lidar-1 (HSRL-1) lidar system. In situ measurements aboard the P-3B airplane and ground-based Aerosol Robotic Network – Distributed Regional Aerosol Gridded Observational Network (AERONET-DRAGON) served to validate and complement quantifications of aerosol hygroscopicity from lidar measurements and also to extend the study both temporally and spatially. The focus here is on 22 and 29 July 2011, which were very humid days and characterized by a stable atmosphere and increasing relative humidity with height in the planetary boundary layer (PBL). Combined lidar and radiosonde (temperature and water vapor mixing ratio) measurements allowed the retrieval of the Hänel hygroscopic growth factor which agreed with that obtained from airborne in situ measurements and also explained the significant increase of extinction and backscattering with height. Airborne measurements also confirmed aerosol hygroscopicity throughout the entire day in the PBL and identified sulfates and water-soluble organic carbon as the main species of aerosol particles. The combined Raman and HSRL-1 measurements permitted the inversion for aerosol microphysical properties revealing an increase of particle radius with altitude consistent with hygroscopic growth. Aerosol hygroscopicity pattern served as a possible explanation of aerosol optical depth increases during the day, particularly for fine-mode particles. Lidar measurements were used as input to the libRadtran radiative transfer code to obtain vertically resolved aerosol radiative effects and heating rates under dry and humid conditions, and the results reveal that aerosol hygroscopicity is responsible for larger cooling effects in the shortwave range (7–10 W m−2 depending on aerosol load) near the ground, while heating rates produced a warming of 0.12 K d−1 near the top of PBL where aerosol hygroscopic growth was highest. Article in Journal/Newspaper Aerosol Robotic Network Niedersächsisches Online-Archiv NOA Atmospheric Chemistry and Physics 21 15 12021 12048 |
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article Verlagsveröffentlichung |
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article Verlagsveröffentlichung Pérez-Ramírez, Daniel Whiteman, David N. Veselovskii, Igor Ferrare, Richard Titos, Gloria Granados-Muñoz, María José Sánchez-Hernández, Guadalupe Navas-Guzmán, Francisco Spatiotemporal changes in aerosol properties by hygroscopic growth and impacts on radiative forcing and heating rates during DISCOVER-AQ 2011 |
topic_facet |
article Verlagsveröffentlichung |
description |
This work focuses on the characterization of vertically resolved aerosol hygroscopicity properties and their direct radiative effects through a unique combination of ground-based and airborne remote sensing measurements during the Column and Vertically Resolved Observations Relevant to Air Quality (DISCOVER-AQ) 2011 field campaign in the Baltimore–Washington DC metropolitan area. To that end, we combined aerosol measurements from a multiwavelength Raman lidar located at NASA Goddard Space Flight Center and the airborne NASA Langley High Spectral Resolution Lidar-1 (HSRL-1) lidar system. In situ measurements aboard the P-3B airplane and ground-based Aerosol Robotic Network – Distributed Regional Aerosol Gridded Observational Network (AERONET-DRAGON) served to validate and complement quantifications of aerosol hygroscopicity from lidar measurements and also to extend the study both temporally and spatially. The focus here is on 22 and 29 July 2011, which were very humid days and characterized by a stable atmosphere and increasing relative humidity with height in the planetary boundary layer (PBL). Combined lidar and radiosonde (temperature and water vapor mixing ratio) measurements allowed the retrieval of the Hänel hygroscopic growth factor which agreed with that obtained from airborne in situ measurements and also explained the significant increase of extinction and backscattering with height. Airborne measurements also confirmed aerosol hygroscopicity throughout the entire day in the PBL and identified sulfates and water-soluble organic carbon as the main species of aerosol particles. The combined Raman and HSRL-1 measurements permitted the inversion for aerosol microphysical properties revealing an increase of particle radius with altitude consistent with hygroscopic growth. Aerosol hygroscopicity pattern served as a possible explanation of aerosol optical depth increases during the day, particularly for fine-mode particles. Lidar measurements were used as input to the libRadtran radiative transfer code to obtain vertically resolved aerosol radiative effects and heating rates under dry and humid conditions, and the results reveal that aerosol hygroscopicity is responsible for larger cooling effects in the shortwave range (7–10 W m−2 depending on aerosol load) near the ground, while heating rates produced a warming of 0.12 K d−1 near the top of PBL where aerosol hygroscopic growth was highest. |
format |
Article in Journal/Newspaper |
author |
Pérez-Ramírez, Daniel Whiteman, David N. Veselovskii, Igor Ferrare, Richard Titos, Gloria Granados-Muñoz, María José Sánchez-Hernández, Guadalupe Navas-Guzmán, Francisco |
author_facet |
Pérez-Ramírez, Daniel Whiteman, David N. Veselovskii, Igor Ferrare, Richard Titos, Gloria Granados-Muñoz, María José Sánchez-Hernández, Guadalupe Navas-Guzmán, Francisco |
author_sort |
Pérez-Ramírez, Daniel |
title |
Spatiotemporal changes in aerosol properties by hygroscopic growth and impacts on radiative forcing and heating rates during DISCOVER-AQ 2011 |
title_short |
Spatiotemporal changes in aerosol properties by hygroscopic growth and impacts on radiative forcing and heating rates during DISCOVER-AQ 2011 |
title_full |
Spatiotemporal changes in aerosol properties by hygroscopic growth and impacts on radiative forcing and heating rates during DISCOVER-AQ 2011 |
title_fullStr |
Spatiotemporal changes in aerosol properties by hygroscopic growth and impacts on radiative forcing and heating rates during DISCOVER-AQ 2011 |
title_full_unstemmed |
Spatiotemporal changes in aerosol properties by hygroscopic growth and impacts on radiative forcing and heating rates during DISCOVER-AQ 2011 |
title_sort |
spatiotemporal changes in aerosol properties by hygroscopic growth and impacts on radiative forcing and heating rates during discover-aq 2011 |
publisher |
Copernicus Publications |
publishDate |
2021 |
url |
https://doi.org/10.5194/acp-21-12021-2021 https://noa.gwlb.de/receive/cop_mods_00057724 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00057374/acp-21-12021-2021.pdf https://acp.copernicus.org/articles/21/12021/2021/acp-21-12021-2021.pdf |
genre |
Aerosol Robotic Network |
genre_facet |
Aerosol Robotic Network |
op_relation |
Atmospheric Chemistry and Physics -- http://www.atmos-chem-phys.net/volumes_and_issues.html -- http://www.bibliothek.uni-regensburg.de/ezeit/?2069847 -- 1680-7324 https://doi.org/10.5194/acp-21-12021-2021 https://noa.gwlb.de/receive/cop_mods_00057724 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00057374/acp-21-12021-2021.pdf https://acp.copernicus.org/articles/21/12021/2021/acp-21-12021-2021.pdf |
op_rights |
https://creativecommons.org/licenses/by/4.0/ uneingeschränkt info:eu-repo/semantics/openAccess |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.5194/acp-21-12021-2021 |
container_title |
Atmospheric Chemistry and Physics |
container_volume |
21 |
container_issue |
15 |
container_start_page |
12021 |
op_container_end_page |
12048 |
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1766040378653278208 |