globalchange  > 气候变化事实与影响
DOI: 10.5194/hess-20-755-2016
Scopus记录号: 2-s2.0-84959138177
论文题名:
Variability in snow cover phenology in China from 1952 to 2010
作者: Ke C; -Q; , Li X; -C; , Xie H; , Ma D; -H; , Liu X; , Kou C
刊名: Hydrology and Earth System Sciences
ISSN: 10275606
出版年: 2016
卷: 20, 期:2
起始页码: 755
结束页码: 770
语种: 英语
Scopus关键词: Earth sciences ; Hydrology ; Arctic oscillations ; Changbai Mountains ; Climate variables ; Distribution patterns ; Mean air temperatures ; Observation data ; Shandong Peninsula ; Spatio-temporal variation ; Snow ; air temperature ; analytical method ; Arctic Oscillation ; climate change ; climate variation ; phenology ; snow cover ; spatiotemporal analysis ; China
英文摘要: Daily snow observation data from 672 stations in China, particularly the 296 stations with over 10 mean snow cover days (SCDs) in a year during the period of 1952-2010, are used in this study. We first examine spatiotemporal variations and trends of SCDs, snow cover onset date (SCOD), and snow cover end date (SCED). We then investigate the relationships of SCDs with number of days with temperature below 0°C (TBZD), mean air temperature (MAT), and Arctic Oscillation (AO) index. The results indicate that years with a positive anomaly of SCDs for the entire country include 1955, 1957, 1964, and 2010, and years with a negative anomaly of SCDs include 1953, 1965, 1999, 2002, and 2009. The reduced TBZD and increased MAT are the main reasons for the overall late SCOD and early SCED since 1952. This explains why only 12 % of the stations show significant shortening of SCDs, while 75 % of the stations show no significant change in the SCDs trends. Our analyses indicate that the distribution pattern and trends of SCDs in China are very complex and are not controlled by any single climate variable examined (i.e. TBZD, MAT, or AO), but a combination of multiple variables. It is found that the AO has the maximum impact on the shortening trends of SCDs in the Shandong peninsula, Changbai Mountains, Xiaoxingganling, and north Xinjiang, while the combined TBZD and MAT have the maximum impact on the shortening trends of SCDs in the Loess Plateau, Tibetan Plateau, and Northeast Plain. © 2016 Author(s).
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/78910
Appears in Collections:气候变化事实与影响

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作者单位: Jiangsu Provincial Key Laboratory of Geographic Information Science and Technology, Nanjing University, Nanjing, China; Key Lab. for Satellite Mapping Technology and Applications of State Administration of Surveying, Mapping and Geoinformation of China, Nanjing University, Nanjing, China; National Climate Center, China Meteorological Administration, Beijing, China; Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters, Faculty of Geography and Remote Sensing, Nanjing University of Information Science and Technology, Nanjing, China; Department of Geological Sciences, University of Texas, San Antonio, TX, United States; Collaborative Innovation Center of South China Sea Studies, Nanjing, China

Recommended Citation:
Ke C,-Q,, Li X,et al. Variability in snow cover phenology in China from 1952 to 2010[J]. Hydrology and Earth System Sciences,2016-01-01,20(2)
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