globalchange  > 过去全球变化的重建
DOI: 10.1080/02626667.2019.1618463
WOS记录号: WOS:000473352800001
论文题名:
Combined effect of climate change and human activities on the hydrological processes of an urban river: case study of the Xiaoqing River, China
作者: Liu, Yang; Cao, Shengle; Li, Xitong; Li, Fuzhen; Zhang, Xi
通讯作者: Cao, Shengle
刊名: HYDROLOGICAL SCIENCES JOURNAL-JOURNAL DES SCIENCES HYDROLOGIQUES
ISSN: 0262-6667
EISSN: 2150-3435
出版年: 2019
语种: 英语
英文关键词: human activities ; copulas ; multivariate joint change point ; joint probability distribution ; hydrological processes ; urban rivers
WOS关键词: IMPACT ; RAINFALL ; RUNOFF ; URBANIZATION ; VARIABILITY ; COPULAS ; MODEL
WOS学科分类: Water Resources
WOS研究方向: Water Resources
英文摘要:

The aim of this study is to reveal statistical characteristics and exceedance probability of discharge under the combined effect of climate change and human activities. The study is conducted in the Xiaoqing River in Jinan, China, based on data of discharge, land-use types and precipitation from the period 1970-2016. A multivariate joint probability distribution of the data is established to test the univariable, bivariable and trivariable change points. These are then used to calculate and analyse the risk probability of discharge exceeding the specific values under different conditions of precipitation and land-use type. The results show that the change point calculated by trivariate joint distribution can reduce the disturbance of the change point obtained with the univariable or bivariable approach and reflect the changes of various factors in the hydrological processes more objectively. When the land-use type is taken into consideration, the trivariate distribution can reflect the variation of hydrological processes more reasonably.


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/140231
Appears in Collections:过去全球变化的重建

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作者单位: Shandong Univ, Sch Civil Engn, 17922 Jingshi Rd, Jinan 250061, Shandong, Peoples R China

Recommended Citation:
Liu, Yang,Cao, Shengle,Li, Xitong,et al. Combined effect of climate change and human activities on the hydrological processes of an urban river: case study of the Xiaoqing River, China[J]. HYDROLOGICAL SCIENCES JOURNAL-JOURNAL DES SCIENCES HYDROLOGIQUES,2019-01-01
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