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DOI | 10.1088/1748-9326/aaae0d |
Changes in duration of dry and wet spells associated with air temperatures in Russia | |
Ye, Hengchun | |
2018-03-01 | |
发表期刊 | ENVIRONMENTAL RESEARCH LETTERS
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ISSN | 1748-9326 |
出版年 | 2018 |
卷号 | 13期号:3 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | This study uses daily precipitation records from 517 Russian stations (1966-2010) to examine the relationships between continuous dry and wet day duration and surface air temperature for all four seasons. The study found that both mean and extreme durations of dry periods increase with air temperature at about 7.0% (0.24 day/degrees C) and 7.7% (0.86 day/degrees C) respectively, while those of wet periods decrease at about 1.3% (-0.02 day/degrees C) and 2.2% (-0.10 day/degrees C) respectively averaged over the entire study region during summer. An increase in the duration of dry periods with higher air temperature is also found in other seasons at locations with a mean seasonal air temperature of about -5 degrees C or higher. Opposite relationships of shorter durations of dry periods and longer wet periods associated with higher air temperature are observed over the northern part of the study region in winter. The changes in durations of both dry and wet periods have significant correlations with the changes in total dry and wet days but are about 2.5 times higher for dry periods and 0.5 times lower for wet periods. The study also found that locations with longer durations of dry periods experience faster rates of increase in air temperature, suggesting the likelihood of exacerbating drought severity in drier and/or warmer locations for all seasons. |
英文关键词 | dry spells wet spell Russia climate change |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000427493300001 |
WOS关键词 | NORTHERN EURASIA ; UNITED-STATES ; WATER-VAPOR ; PRECIPITATION ; CANADA |
WOS类目 | Environmental Sciences ; Meteorology & Atmospheric Sciences |
WOS研究方向 | Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences |
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/31046 |
专题 | 气候变化 |
作者单位 | Calif State Univ Los Angeles, Dept Geosci & Environm, Los Angeles, CA 90032 USA |
推荐引用方式 GB/T 7714 | Ye, Hengchun. Changes in duration of dry and wet spells associated with air temperatures in Russia[J]. ENVIRONMENTAL RESEARCH LETTERS,2018,13(3). |
APA | Ye, Hengchun.(2018).Changes in duration of dry and wet spells associated with air temperatures in Russia.ENVIRONMENTAL RESEARCH LETTERS,13(3). |
MLA | Ye, Hengchun."Changes in duration of dry and wet spells associated with air temperatures in Russia".ENVIRONMENTAL RESEARCH LETTERS 13.3(2018). |
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