Latitudinal and temporal distribution of aerosols and precipitable water vapor in the tropical Andes from AERONET, sounding, and MERRA-2 data
The aerosol and precipitable water vapor (PW) distribution over the tropical Andes region is characterized using Aerosol Robotic Network (AERONET) observations at stations in Medellin (Colombia), Quito (Ecuador), Huancayo (Peru), and La Paz (Bolivia). AERONET aerosol optical depth (AOD) is interpret...
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ftpubmed:oai:pubmedcentral.nih.gov:10776852 2024-02-11T09:54:45+01:00 Latitudinal and temporal distribution of aerosols and precipitable water vapor in the tropical Andes from AERONET, sounding, and MERRA-2 data Cazorla, María Giles, David M. Herrera, Edgar Suárez, Luis Estevan, Rene Andrade, Marcos Bastidas, Álvaro 2024-01-09 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10776852/ http://www.ncbi.nlm.nih.gov/pubmed/38195912 https://doi.org/10.1038/s41598-024-51247-9 en eng Nature Publishing Group UK http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10776852/ http://www.ncbi.nlm.nih.gov/pubmed/38195912 http://dx.doi.org/10.1038/s41598-024-51247-9 © The Author(s) 2024 https://creativecommons.org/licenses/by/4.0/Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) . Sci Rep Article Text 2024 ftpubmed https://doi.org/10.1038/s41598-024-51247-9 2024-01-14T02:02:04Z The aerosol and precipitable water vapor (PW) distribution over the tropical Andes region is characterized using Aerosol Robotic Network (AERONET) observations at stations in Medellin (Colombia), Quito (Ecuador), Huancayo (Peru), and La Paz (Bolivia). AERONET aerosol optical depth (AOD) is interpreted using PM(2.5) data when available. Columnar water vapor derived from ozone soundings at Quito is used to compare against AERONET PW. MERRA-2 data are used to complement analyses. Urban pollution and biomass burning smoke (BBS) dominate the regional aerosol composition. AOD and PM(2.5) yearly cycles for coincident measurements correlate linearly at Medellin and Quito. The Andes cordillera’s orientation and elevation funnel or block BBS transport into valleys or highlands during the two fire seasons that systematically impact South America. The February–March season north of Colombia and the Colombian-Venezuelan border directly impacts Medellin. Possibly, the March aerosol signal over Quito has a long-range transport component. At Huancayo and La Paz, AOD increases in September due to the influence of BBS in the Amazon. AERONET PW and sounding data correlate linearly but a dry bias with respect to soundings was identified in AERONET. PW and rainfall progressively decrease from north to south due to increasing altitude. This regional diagnosis is an underlying basis to evaluate future changes in aerosol and PW given prevailing conditions of rapidly changing atmospheric composition. Text Aerosol Robotic Network PubMed Central (PMC) Merra ENVELOPE(12.615,12.615,65.816,65.816) Quito ENVELOPE(-59.783,-59.783,-62.450,-62.450) Scientific Reports 14 1 |
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Article Cazorla, María Giles, David M. Herrera, Edgar Suárez, Luis Estevan, Rene Andrade, Marcos Bastidas, Álvaro Latitudinal and temporal distribution of aerosols and precipitable water vapor in the tropical Andes from AERONET, sounding, and MERRA-2 data |
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The aerosol and precipitable water vapor (PW) distribution over the tropical Andes region is characterized using Aerosol Robotic Network (AERONET) observations at stations in Medellin (Colombia), Quito (Ecuador), Huancayo (Peru), and La Paz (Bolivia). AERONET aerosol optical depth (AOD) is interpreted using PM(2.5) data when available. Columnar water vapor derived from ozone soundings at Quito is used to compare against AERONET PW. MERRA-2 data are used to complement analyses. Urban pollution and biomass burning smoke (BBS) dominate the regional aerosol composition. AOD and PM(2.5) yearly cycles for coincident measurements correlate linearly at Medellin and Quito. The Andes cordillera’s orientation and elevation funnel or block BBS transport into valleys or highlands during the two fire seasons that systematically impact South America. The February–March season north of Colombia and the Colombian-Venezuelan border directly impacts Medellin. Possibly, the March aerosol signal over Quito has a long-range transport component. At Huancayo and La Paz, AOD increases in September due to the influence of BBS in the Amazon. AERONET PW and sounding data correlate linearly but a dry bias with respect to soundings was identified in AERONET. PW and rainfall progressively decrease from north to south due to increasing altitude. This regional diagnosis is an underlying basis to evaluate future changes in aerosol and PW given prevailing conditions of rapidly changing atmospheric composition. |
format |
Text |
author |
Cazorla, María Giles, David M. Herrera, Edgar Suárez, Luis Estevan, Rene Andrade, Marcos Bastidas, Álvaro |
author_facet |
Cazorla, María Giles, David M. Herrera, Edgar Suárez, Luis Estevan, Rene Andrade, Marcos Bastidas, Álvaro |
author_sort |
Cazorla, María |
title |
Latitudinal and temporal distribution of aerosols and precipitable water vapor in the tropical Andes from AERONET, sounding, and MERRA-2 data |
title_short |
Latitudinal and temporal distribution of aerosols and precipitable water vapor in the tropical Andes from AERONET, sounding, and MERRA-2 data |
title_full |
Latitudinal and temporal distribution of aerosols and precipitable water vapor in the tropical Andes from AERONET, sounding, and MERRA-2 data |
title_fullStr |
Latitudinal and temporal distribution of aerosols and precipitable water vapor in the tropical Andes from AERONET, sounding, and MERRA-2 data |
title_full_unstemmed |
Latitudinal and temporal distribution of aerosols and precipitable water vapor in the tropical Andes from AERONET, sounding, and MERRA-2 data |
title_sort |
latitudinal and temporal distribution of aerosols and precipitable water vapor in the tropical andes from aeronet, sounding, and merra-2 data |
publisher |
Nature Publishing Group UK |
publishDate |
2024 |
url |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10776852/ http://www.ncbi.nlm.nih.gov/pubmed/38195912 https://doi.org/10.1038/s41598-024-51247-9 |
long_lat |
ENVELOPE(12.615,12.615,65.816,65.816) ENVELOPE(-59.783,-59.783,-62.450,-62.450) |
geographic |
Merra Quito |
geographic_facet |
Merra Quito |
genre |
Aerosol Robotic Network |
genre_facet |
Aerosol Robotic Network |
op_source |
Sci Rep |
op_relation |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10776852/ http://www.ncbi.nlm.nih.gov/pubmed/38195912 http://dx.doi.org/10.1038/s41598-024-51247-9 |
op_rights |
© The Author(s) 2024 https://creativecommons.org/licenses/by/4.0/Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) . |
op_doi |
https://doi.org/10.1038/s41598-024-51247-9 |
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Scientific Reports |
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