Analysis of Aerosol Optical Depth and Angstrom Exponents over an AERONET site at Pokhara, Nepal
The monthly variability of Aerosol Optical Depth at 0.50μm (AOD0.50) and Ångström exponents (AE) based on spectral AODs over an Aerosol Robotic Network (AERONET) site Pokhara are analyzed by using aerosol data of the year 2017. The AOD0.50 are characterized by low average values (0.21±0.12) in monso...
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Department of Physics, Mahendra Morang A.M. College, Tribhuvan University, Biratnagar, Nepal
2021
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ftjnepaljo:oai:ojs.pkp.sfu.ca:article/29448 2024-09-30T14:21:40+00:00 Analysis of Aerosol Optical Depth and Angstrom Exponents over an AERONET site at Pokhara, Nepal Regmi, Jeevan Poudyal, Khem N Pokhrel, Amod Gyawali, Madhu Barinelli, Anthony Aryal, Rudra 2021-01-01 application/pdf https://nepjol.info/index.php/BIBECHANA/article/view/29448 eng eng Department of Physics, Mahendra Morang A.M. College, Tribhuvan University, Biratnagar, Nepal https://nepjol.info/index.php/BIBECHANA/article/view/29448/26704 https://nepjol.info/index.php/BIBECHANA/article/view/29448 Copyright (c) 2021 Jeevan Regmi, Khem Narayan Poudyal, Amod Pokhrel, Madhu Gyawali, Anthony Barinelli, Rudra Aryal BIBECHANA; Vol. 18 No. 1 (2021); 118-127 2382-5340 2091-0762 Aerosol Aerosol Optical Depth Angstrom Exponent Monthly Variations info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-Reviewed Article 2021 ftjnepaljo 2024-09-18T00:28:59Z The monthly variability of Aerosol Optical Depth at 0.50μm (AOD0.50) and Ångström exponents (AE) based on spectral AODs over an Aerosol Robotic Network (AERONET) site Pokhara are analyzed by using aerosol data of the year 2017. The AOD0.50 are characterized by low average values (0.21±0.12) in monsoon, and highest values in pre-monsoon (0.67±0.14) followed by winter (0.46±0.28) and post-monsoon (0.33±.02) with an overall mean of 0.43±0.02. The average AE obtained by using AODs at 0.44 μm and 0.87 μm is 1.20±0.04 in pre-monsoon, 1.37±0.05 in monsoon, 1.41±.01 in post-monsoon, and 1.37±0.07 in winter with an annual average value of 1.35±0.08. These overall variations of AE indicate that the majority of aerosol loading during the study period was a mixture of fine and coarse mode aerosols and the influence of anthropogenic aerosols.The monthly average AOD suggests low aerosol loading in the months of the monsoon season (June to September) than other months of pre-monsoon season (March to May) and post-monsoon season (October and November). BIBECHANA 18 (1) (2021) 118-127 Article in Journal/Newspaper Aerosol Robotic Network Nepal Journals Online (NepJOL) |
institution |
Open Polar |
collection |
Nepal Journals Online (NepJOL) |
op_collection_id |
ftjnepaljo |
language |
English |
topic |
Aerosol Aerosol Optical Depth Angstrom Exponent Monthly Variations |
spellingShingle |
Aerosol Aerosol Optical Depth Angstrom Exponent Monthly Variations Regmi, Jeevan Poudyal, Khem N Pokhrel, Amod Gyawali, Madhu Barinelli, Anthony Aryal, Rudra Analysis of Aerosol Optical Depth and Angstrom Exponents over an AERONET site at Pokhara, Nepal |
topic_facet |
Aerosol Aerosol Optical Depth Angstrom Exponent Monthly Variations |
description |
The monthly variability of Aerosol Optical Depth at 0.50μm (AOD0.50) and Ångström exponents (AE) based on spectral AODs over an Aerosol Robotic Network (AERONET) site Pokhara are analyzed by using aerosol data of the year 2017. The AOD0.50 are characterized by low average values (0.21±0.12) in monsoon, and highest values in pre-monsoon (0.67±0.14) followed by winter (0.46±0.28) and post-monsoon (0.33±.02) with an overall mean of 0.43±0.02. The average AE obtained by using AODs at 0.44 μm and 0.87 μm is 1.20±0.04 in pre-monsoon, 1.37±0.05 in monsoon, 1.41±.01 in post-monsoon, and 1.37±0.07 in winter with an annual average value of 1.35±0.08. These overall variations of AE indicate that the majority of aerosol loading during the study period was a mixture of fine and coarse mode aerosols and the influence of anthropogenic aerosols.The monthly average AOD suggests low aerosol loading in the months of the monsoon season (June to September) than other months of pre-monsoon season (March to May) and post-monsoon season (October and November). BIBECHANA 18 (1) (2021) 118-127 |
format |
Article in Journal/Newspaper |
author |
Regmi, Jeevan Poudyal, Khem N Pokhrel, Amod Gyawali, Madhu Barinelli, Anthony Aryal, Rudra |
author_facet |
Regmi, Jeevan Poudyal, Khem N Pokhrel, Amod Gyawali, Madhu Barinelli, Anthony Aryal, Rudra |
author_sort |
Regmi, Jeevan |
title |
Analysis of Aerosol Optical Depth and Angstrom Exponents over an AERONET site at Pokhara, Nepal |
title_short |
Analysis of Aerosol Optical Depth and Angstrom Exponents over an AERONET site at Pokhara, Nepal |
title_full |
Analysis of Aerosol Optical Depth and Angstrom Exponents over an AERONET site at Pokhara, Nepal |
title_fullStr |
Analysis of Aerosol Optical Depth and Angstrom Exponents over an AERONET site at Pokhara, Nepal |
title_full_unstemmed |
Analysis of Aerosol Optical Depth and Angstrom Exponents over an AERONET site at Pokhara, Nepal |
title_sort |
analysis of aerosol optical depth and angstrom exponents over an aeronet site at pokhara, nepal |
publisher |
Department of Physics, Mahendra Morang A.M. College, Tribhuvan University, Biratnagar, Nepal |
publishDate |
2021 |
url |
https://nepjol.info/index.php/BIBECHANA/article/view/29448 |
genre |
Aerosol Robotic Network |
genre_facet |
Aerosol Robotic Network |
op_source |
BIBECHANA; Vol. 18 No. 1 (2021); 118-127 2382-5340 2091-0762 |
op_relation |
https://nepjol.info/index.php/BIBECHANA/article/view/29448/26704 https://nepjol.info/index.php/BIBECHANA/article/view/29448 |
op_rights |
Copyright (c) 2021 Jeevan Regmi, Khem Narayan Poudyal, Amod Pokhrel, Madhu Gyawali, Anthony Barinelli, Rudra Aryal |
_version_ |
1811638035752681472 |