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Drivers of recent decline in dust activity over East Asia
It is essential to understand the factors driving the recent decline of dust activity in East Asia for future dust projections. Using a physically-based dust emission model, here we show that the weakening of surface wind and the increasing of vegetation cover and soil moisture have all contributed...
Autores principales: | , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Nature Publishing Group UK
2022
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9675820/ https://www.ncbi.nlm.nih.gov/pubmed/36402787 http://dx.doi.org/10.1038/s41467-022-34823-3 |
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author | Wu, Chenglai Lin, Zhaohui Shao, Yaping Liu, Xiaohong Li, Ying |
author_facet | Wu, Chenglai Lin, Zhaohui Shao, Yaping Liu, Xiaohong Li, Ying |
author_sort | Wu, Chenglai |
collection | PubMed |
description | It is essential to understand the factors driving the recent decline of dust activity in East Asia for future dust projections. Using a physically-based dust emission model, here we show that the weakening of surface wind and the increasing of vegetation cover and soil moisture have all contributed to the decline in dust activity during 2001 to 2017. The relative contributions of these three factors to the dust emission reduction during 2010–2017 relative to 2001 are 46%, 30%, and 24%, respectively. Much (78%) of the dust emission reduction is from barren lands, and a small fraction (4.6%) of the reduction is attributed to grassland vegetation increase that is partly ascribed to the ecological restoration. This suggests that the ecological restoration plays a minor role in the decline of dust activity. Rather, the decline is mainly driven by climatic factors, with the weakening of surface wind playing the dominant role. |
format | Online Article Text |
id | pubmed-9675820 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2022 |
publisher | Nature Publishing Group UK |
record_format | MEDLINE/PubMed |
spelling | pubmed-96758202022-11-21 Drivers of recent decline in dust activity over East Asia Wu, Chenglai Lin, Zhaohui Shao, Yaping Liu, Xiaohong Li, Ying Nat Commun Article It is essential to understand the factors driving the recent decline of dust activity in East Asia for future dust projections. Using a physically-based dust emission model, here we show that the weakening of surface wind and the increasing of vegetation cover and soil moisture have all contributed to the decline in dust activity during 2001 to 2017. The relative contributions of these three factors to the dust emission reduction during 2010–2017 relative to 2001 are 46%, 30%, and 24%, respectively. Much (78%) of the dust emission reduction is from barren lands, and a small fraction (4.6%) of the reduction is attributed to grassland vegetation increase that is partly ascribed to the ecological restoration. This suggests that the ecological restoration plays a minor role in the decline of dust activity. Rather, the decline is mainly driven by climatic factors, with the weakening of surface wind playing the dominant role. Nature Publishing Group UK 2022-11-19 /pmc/articles/PMC9675820/ /pubmed/36402787 http://dx.doi.org/10.1038/s41467-022-34823-3 Text en © The Author(s) 2022 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 license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license 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 license, visit http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) . |
spellingShingle | Article Wu, Chenglai Lin, Zhaohui Shao, Yaping Liu, Xiaohong Li, Ying Drivers of recent decline in dust activity over East Asia |
title | Drivers of recent decline in dust activity over East Asia |
title_full | Drivers of recent decline in dust activity over East Asia |
title_fullStr | Drivers of recent decline in dust activity over East Asia |
title_full_unstemmed | Drivers of recent decline in dust activity over East Asia |
title_short | Drivers of recent decline in dust activity over East Asia |
title_sort | drivers of recent decline in dust activity over east asia |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9675820/ https://www.ncbi.nlm.nih.gov/pubmed/36402787 http://dx.doi.org/10.1038/s41467-022-34823-3 |
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