Arid
DOI10.2166/wcc.2016.017
Temporal variations of runoff in a rapidly urbanizing semi-arid Chinese watershed
Gao, Ruizhong1,2; Li, Fengling1,2; Wang, Xixi2; Liu, Tingxi1; Du, Dandan1
通讯作者Li, Fengling
来源期刊JOURNAL OF WATER AND CLIMATE CHANGE
ISSN2040-2244
出版年2016
卷号7期号:3页码:578-597
英文摘要

Rapid urbanization on streamflows may directly affect or be restricted by the sustainability of local water resources. This is particularly true for arid/semiarid areas such as the Wulanmulun River watershed in the rapidly-developing Ordos region of north central China. From 1997 to 2012, the gross domestic product (GDP) of the region increased fifty-fold, while the urban area grew by a factor of ten. This study fused multiple-source data on land use, hydrometeorology, and socioeconomics to examine temporal variations in the runoff due to climate change and urbanization. The results revealed that for the Wulanmulun River watershed, the runoff decreased consistently over the study period, with an inflection point around 2005. The average runoff from 2006 to 2012 was much smaller than that from 1997 to 2005, regardless of time scale; although the precipitation also fluctuated from 1997 to 2012, it exhibited no significant trend. From 1997-2005 to 2006-2012, both the urbanized area and GDP increased eight-fold while the population increased by 20%. Thus, urbanization rather than climate change is likely the major reason for the decrease in runoff after 2005. For the study watershed, low impact development practices (e.g. rain barrels) may need to be implemented during urbanization to achieve sustainable management of water resources.


英文关键词climate change data fusion Ordos precipitation trend socioeconomics urbanization
类型Article
语种英语
国家Peoples R China ; USA
收录类别SCI-E ; SSCI
WOS记录号WOS:000383989000009
WOS关键词HYDROLOGIC RESPONSE ; YELLOW-RIVER ; PRECIPITATION ; STREAMFLOW ; CLIMATE ; TRENDS ; BASIN ; URBANIZATION ; DISCHARGE ; IMPACT
WOS类目Water Resources
WOS研究方向Water Resources
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/194881
作者单位1.Inner Mongolia Agr Univ, Coll Water Conservancy & Civil Engn, Hohhot 010018, Inner Mongolia, Peoples R China;
2.Old Dominion Univ, Dept Civil & Environm Engn, Norfolk, VA 23529 USA
推荐引用方式
GB/T 7714
Gao, Ruizhong,Li, Fengling,Wang, Xixi,et al. Temporal variations of runoff in a rapidly urbanizing semi-arid Chinese watershed[J],2016,7(3):578-597.
APA Gao, Ruizhong,Li, Fengling,Wang, Xixi,Liu, Tingxi,&Du, Dandan.(2016).Temporal variations of runoff in a rapidly urbanizing semi-arid Chinese watershed.JOURNAL OF WATER AND CLIMATE CHANGE,7(3),578-597.
MLA Gao, Ruizhong,et al."Temporal variations of runoff in a rapidly urbanizing semi-arid Chinese watershed".JOURNAL OF WATER AND CLIMATE CHANGE 7.3(2016):578-597.
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