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DOI10.1002/met.1749
Quantifying the impact of global warming on precipitation patterns in India
Mishra, Anoop Kumar
发表日期2019
ISSN1350-4827
EISSN1469-8080
卷号26期号:1页码:153-160
英文摘要

The past few decades have witnessed a change in precipitation patterns around the world. This change includes an increase in heavy precipitation and a decrease in light and moderate precipitation. Global/regional warming has been attributed as one of the major factors causing the observed change in precipitation patterns. Past studies over the Indian region have not focused much on quantification of the impact of warming on changes in precipitation patterns. The present research quantifies the impact of warming on precipitation patterns over the Indian region. For this purpose, rain gauge-based high-resolution gridded precipitation data from the India Meteorological Department (IMD) for 113years between 1901 and 2013 are used to link the changes in precipitation patterns over India during the South West (SW) monsoon season with warming using a new method that focuses on inter-annual differences rather than time series. It has been reported that during the SW monsoon period, there is an increase of about 51.85%+/- 19% in the top 10% precipitation for each degree (K) increase in temperature. Decreases of about 15-30%/K in low and moderate precipitation have also been reported per 1 K increase in temperature. The impact of warming is more severe over Western and North Eastern India and during July and August. An increase in heavy rainy days of about 46.53%+/- 14% per 1 K increase in temperature has been reported over the Indian region. Low and moderate rainy days show a decrease of about 24.67%+/- 9.53% for a unit degree increase in temperature. Results reported in this research point out increasing trends in droughts and floods due to increased heavy precipitation and decreased low and moderate precipitation in a warming environment.


WOS研究方向Meteorology & Atmospheric Sciences
来源期刊METEOROLOGICAL APPLICATIONS
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/90622
作者单位Sathyabama Univ, Ctr Remote Sensing & Geoinformat, Chennai 600119, Tamil Nadu, India
推荐引用方式
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Mishra, Anoop Kumar. Quantifying the impact of global warming on precipitation patterns in India[J],2019,26(1):153-160.
APA Mishra, Anoop Kumar.(2019).Quantifying the impact of global warming on precipitation patterns in India.METEOROLOGICAL APPLICATIONS,26(1),153-160.
MLA Mishra, Anoop Kumar."Quantifying the impact of global warming on precipitation patterns in India".METEOROLOGICAL APPLICATIONS 26.1(2019):153-160.
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