Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2018GL079709 |
If Rain Falls in India and No One Reports It, Are Historical Trends in Monsoon Extremes Biased? | |
Lin, Marena; Huybers, Peter | |
2019-02-16 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS
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ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2019 |
卷号 | 46期号:3页码:1681-1689 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | With two thirds of the total Indian population employed by the agriculture sector, changes in Indian monsoon precipitation have widespread implications for human welfare. Increased extreme precipitation since 1950 has been widely reported for central India. Major studies have relied upon the gridded daily precipitation observations provided by the India Meteorological Department (IMD), which assimilate observations from a variable network of weather stations. Replicating the IMD's interpolation method on satellite-based precipitation observations, however, indicates that temporal changes in the observing weather station network introduce a jump in the record toward more extreme rainfall after 1975. Trends evaluated across this jump are suspect, and trends evaluated subsequent to it are insignificant (p > 0.1). This positive bias may also mask declines in average monsoon rainfall. Greater accuracy in these trends may resolve distinctions between climate model simulations of future changes. Access to the underlying data from IMD rain-gauges would facilitate improved rainfall reconstruction. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000462072800062 |
WOS关键词 | DRY SPELLS ; PRECIPITATION ; CLIMATE ; EVENTS ; WET |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/181388 |
专题 | 气候变化 |
作者单位 | Harvard Univ, Dept Earth & Planetary Sci, 20 Oxford St, Cambridge, MA 02138 USA |
推荐引用方式 GB/T 7714 | Lin, Marena,Huybers, Peter. If Rain Falls in India and No One Reports It, Are Historical Trends in Monsoon Extremes Biased?[J]. GEOPHYSICAL RESEARCH LETTERS,2019,46(3):1681-1689. |
APA | Lin, Marena,&Huybers, Peter.(2019).If Rain Falls in India and No One Reports It, Are Historical Trends in Monsoon Extremes Biased?.GEOPHYSICAL RESEARCH LETTERS,46(3),1681-1689. |
MLA | Lin, Marena,et al."If Rain Falls in India and No One Reports It, Are Historical Trends in Monsoon Extremes Biased?".GEOPHYSICAL RESEARCH LETTERS 46.3(2019):1681-1689. |
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