ArticleNature communications2022
Black carbon-climate interactions regulate dust burdens over India revealed during COVID-19.
Article in Nature communications, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed.
- Understanding carbon resilience under public health emergencies: a synthetic difference-in-differences approach.Scientific reports · 2024Article
- Arctic amplification-induced decline in West and South Asia dust warrants stronger antidesertification toward carbon neutrality.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Char dominates black carbon aerosol emission and its historic reduction in China.Nature communications · 2023Article
- Evaluation and Comparison of Multi-Satellite Aerosol Optical Depth Products over East Asia Ocean.Toxics · 2023Article
- Aerosol demasking enhances climate warming over South Asia.NPJ climate and atmospheric science · 2023Article
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Authors and funding
10 authors.
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Abstract
India as a hotspot for air pollution has heavy black carbon (BC) and dust (DU) loadings. BC has been identified to significantly impact the Indian climate. However, whether BC-climate interactions regulate Indian DU during the premonsoon season is unclear. Here, using long-term Reanalysis data, we show that Indian DU is positively correlated to northern Indian BC while negatively correlated to southern Indian BC. We further identify the mechanism of BC-dust-climate interactions revealed during COVID-19. BC reduction in northern India due to lockdown decreases solar heating in the atmosphere and increases surface albedo of the Tibetan Plateau (TP), inducing a descending atmospheric motion. Colder air from the TP together with warmer southern Indian air heated by biomass burning BC results in easterly wind anomalies, which reduces dust transport from the Middle East and Sahara and local dust emissions. The premonsoon aerosol-climate interactions delay the outbreak of the subsequent Indian summer monsoon.
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