A rapid assessment of stubble burning and air pollutants from satellite observations.

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Accounts of Chemical Research Pub Date : 2023-05-17 DOI:10.1007/s42965-022-00291-5

P Das, M D Behera, P C Abhilash

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Abstract

For the last several years, the air quality of India's capital Delhi and surrounding region (NCR) has been degrading to a very poor and severe category during the autumn season. In addition to the various sources of air pollutants within the NCR region, the stubble burning in Punjab and Haryana states contributes to the poor air quality in this region. The current study employs the Moderate Resolution Imaging Spectroradiometer (MODIS) active fire products and TROPOspheric Monitoring Instrument (TROPOMI) products on carbon monoxide (CO) and nitrogen dioxide (NO₂) concentrations for spatio-temporal assessment of stubble burning and associated emissions. The analysis performed in the Google Earth Engine (GEE) platform indicated a nearly threefold rise in crop residue burning in November than in October, with 92.58% and 7.42% reported from Punjab and the Haryana states in November, respectively. The study highlights the availability of near-real-time remote sensing observations and the utility of the GEE platform for rapid assessment of stubble burning and emissions thereof, having the potential for developing mitigation strategies.

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卫星观测对烧茬和空气污染物的快速评估。

在过去的几年里，印度首都德里及其周边地区的空气质量在秋季一直下降到非常差和严重的级别。除了NCR地区的各种空气污染物来源外，旁遮普邦和哈里亚纳邦的秸秆焚烧也导致了该地区的空气质量不佳。目前的研究使用中分辨率成像光谱仪（MODIS）活性火灾产品和对流层监测仪器（TROPOMI）产品对一氧化碳（CO）和二氧化氮（NO2）浓度进行时空评估，以评估残茬燃烧和相关排放。在谷歌地球引擎（GEE）平台上进行的分析表明，11月作物残渣燃烧量比10月增加了近三倍，旁遮普和哈里亚纳邦在11月分别报告了92.58%和7.42%。该研究强调了近实时遥感观测的可用性，以及GEE平台在快速评估烧茬及其排放方面的实用性，有可能制定缓解策略。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.