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DOI | 10.1175/JCLI-D-15-0604.1 |
The Influence of Urban Surface Expansion in China on Regional Climate | |
Zhao, Deming1; Wu, Jian2 | |
2017-02-01 | |
发表期刊 | JOURNAL OF CLIMATE |
ISSN | 0894-8755 |
EISSN | 1520-0442 |
出版年 | 2017 |
卷号 | 30期号:3 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China |
英文摘要 | Incorporating satellite-based urban surface data for the 1980s, 1990s, 2000s, and 2010s in China, contributions to regional warming, and changes in the precipitation due to urban surface expansion were explored using the nested Fifth-generation Pennsylvania State University-NCAR Mesoscale Model version 3.7 (MM5V3.7) with urban effects considered. The impact on surface air temperature at 2 m (SAT) due to urban surface expansion between the 1980s and the 2010s revealed that annual urban-related warming was lower over East Asia (0.031 degrees C) and China (0.075 degrees C) but higher in eastern China (0.14 degrees C), which experienced dramatic urbanization. Greater warming could be detected over urban surface areas in the three city clusters [Beijing-Tianjin-Hebei (BTH) and the Yangtze and Pearl River deltas (YRD and PRD, respectively)], which reached 1.068, 0.848, and 0.92 degrees C, respectively. Urban-related warming was not limited to a single city or city clusters but extended over a SAT-increased belt that covered the eastern coast of China. Further analysis showed that urban-surface-expansion-induced changes in albedo and the total cloud amount contributed to the changes in the radiation budget, which resulted in strong surface radiative forcings in the urban surface (14.5, 11.2, and 11.7 Wm(-2) for BTH, YRD, and PRD, respectively). However, significant differences could be detected for the transition from nonurban to urban land use compared to those that were classified as urban in both time periods because of the varied albedo changes. The urbanization-related warming, especially in the city cluster areas, also had a further effect on the large-scale circulation and precipitation. The precipitation was weakened in northeastern and northern China but intensified in eastern and southern China, which resulted in the strengthened precipitation over China (0.016 mm day(-1), 0.65%) and East Asia (0.011 mm day(-1), 0.28%). Therefore, subregional characteristics with marked seasonal, interannual, and decadal variations were detected for the influence of the urban surface expansion. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000395512300014 |
WOS关键词 | MODELING SYSTEM RIEMS ; LAND-COVER CHANGE ; AIR-TEMPERATURE ; PRECIPITATION SIMULATIONS ; NUMERICAL-MODEL ; HYDROLOGY MODEL ; SUMMER MONSOON ; URBANIZATION ; IMPACT ; CIRCULATION |
WOS类目 | Meteorology & Atmospheric Sciences |
WOS研究方向 | 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/19852 |
专题 | 气候变化 |
作者单位 | 1.Chinese Acad Sci, Inst Atmospher Phys, Key Lab Reg Climate Environm East Asia, Beijing, Peoples R China; 2.Yunnan Univ, Dept Atmospher Sci, Kunming, Peoples R China |
推荐引用方式 GB/T 7714 | Zhao, Deming,Wu, Jian. The Influence of Urban Surface Expansion in China on Regional Climate[J]. JOURNAL OF CLIMATE,2017,30(3). |
APA | Zhao, Deming,&Wu, Jian.(2017).The Influence of Urban Surface Expansion in China on Regional Climate.JOURNAL OF CLIMATE,30(3). |
MLA | Zhao, Deming,et al."The Influence of Urban Surface Expansion in China on Regional Climate".JOURNAL OF CLIMATE 30.3(2017). |
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