干旱区生态环境知识资源中心(Arid): Changes in intra-annual runoff and its response to climate variability and anthropogenic activity in the Lake Issyk-Kul Basin, Kyrgyzstan

Arid

DOI	10.1016/j.catena.2020.104974
	Changes in intra-annual runoff and its response to climate variability and anthropogenic activity in the Lake Issyk-Kul Basin, Kyrgyzstan
	Alifujiang, Yilinuer; Abuduwaili, Jilili; Groll, Michael; Issanova, Gulnura; Maihemuti, Balati
通讯作者	Abuduwaili, J ; Groll, M (corresponding author), Chinese Acad Sci, Xinjiang Inst Ecol & Geog, State Key Lab Desert & Oasis Ecol, Urumqi 830011, Peoples R China.
来源期刊	CATENA
ISSN	0341-8162
EISSN	1872-6887
出版年	2021
卷号	198
英文摘要	An attribute study of the runoff changes due to climate change and anthropogenic activities is of great value to determining the best response to runoff changes. This study investigates the evolution of the intra-annual runoff and evaluates the effects of changes in climate and anthropogenic activities on runoff variations in the Lake Issyk-Kul Basin (LIKB). The monotonic trend test and wavelet transform analysis were used to characterize the trends and periods of the hydro-meteorological variables in the LIKB. In addition, the periodicity-trend superposition model and double-mass curves were used to assess the contributions of climate change and anthropogenic activities to runoff variations. The analyses were conducted using regional climate data combined with runoff data derived from 13 different river stations in the LIKB for the period between 1943 and 2012. The results indicate the following. (1) The monthly runoff trends in the three groups of tributaries (northern, southeastern, and southern tributaries) exhibit distinct differences, and the percentage of the data sets with no pattern gradually increased (from 26% to 38%) from north to south. There is a positive trend, with a similar decrease (from 50% to 24%) from north to south. (2) The air temperature, precipitation, and runoff in the LIKB increased throughout the low and high flow periods. The statistical index of the runoff concentration degree (RCD) decreased at most stations (Chong-Koi-Suu, Chong-Ak-Suu, Chong-Urykty, Pzhergalan, Ak-Sai, Tossor, Ton, Chong-Kyzyl-Suu, Tamga, and Karakol), except for the Cholpon-Ata, Ak-Suu, and Dzhuuku stations. (3) In addition, the periodic characteristics of the RCD show that the RCD has a 12-year significant period over the low flow period, which is similar to that for precipitation but varies from that for air temperature. (4) Climate variability and anthropogenic activities are two different contributors to runoff reduction in the LIKB. The respective contributions of anthropogenic activities to the runoff determined using the two methods were 35.3% and 18%, whereas the climate change contributions were 64.7% and 82%, respectively. Climate change was the main reason for the runoff variations. These results provide a basis for the scientific management and sustainable allocation of water resources in the LIKB.
英文关键词	Climate change Anthropogenic activity Nonparametric test Wavelet analysis Issyk-Kul Basin Arid Central Asia
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000605337000011
WOS关键词	YELLOW-RIVER BASIN ; CENTRAL-ASIA ; TARIM RIVER ; ECOSYSTEM SERVICES ; HEADWATER REGION ; TIBETAN PLATEAU ; CHANGE IMPACTS ; SEDIMENT LOAD ; STREAM-FLOW ; LAND-USE
WOS类目	Geosciences, Multidisciplinary ; Soil Science ; Water Resources
WOS研究方向	Geology ; Agriculture ; Water Resources
来源机构	中国科学院新疆生态与地理研究所 ; 新疆大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/347775
作者单位	[Alifujiang, Yilinuer; Maihemuti, Balati] Xinjiang Univ, Coll Resources & Environm Sci, Urumqi 830046, Peoples R China; [Alifujiang, Yilinuer; Maihemuti, Balati] Xinjiang Univ, Key Lab Oasis Ecol, Urumqi 830046, Peoples R China; [Abuduwaili, Jilili] Chinese Acad Sci, Xinjiang Inst Ecol & Geog, State Key Lab Desert & Oasis Ecol, Urumqi 830011, Peoples R China; [Abuduwaili, Jilili] Chinese Acad Sci, Res Ctr Ecol & Environm Cent Asia, Urumqi 830011, Peoples R China; [Abuduwaili, Jilili] Univ Chinese Acad Sci, Beijing 10049, Peoples R China; [Groll, Michael] Marburg Univ, Dept Geog, Deutschhausstr 10, D-35037 Marburg, Germany; [Issanova, Gulnura] Res Ctr Ecol & Environm Cent Asia Almaty, Ave Al Farabi 75 5, Alma Ata 050060, Kazakhstan; [Issanova, Gulnura] Al Farabi Kazakh Natl Univ, Fac Geog & Environm Sci, Ave Al Farabi 75 5, Alma Ata 050040, Kazakhstan
推荐引用方式 GB/T 7714	Alifujiang, Yilinuer,Abuduwaili, Jilili,Groll, Michael,et al. Changes in intra-annual runoff and its response to climate variability and anthropogenic activity in the Lake Issyk-Kul Basin, Kyrgyzstan[J]. 中国科学院新疆生态与地理研究所, 新疆大学,2021,198.
APA	Alifujiang, Yilinuer,Abuduwaili, Jilili,Groll, Michael,Issanova, Gulnura,&Maihemuti, Balati.(2021).Changes in intra-annual runoff and its response to climate variability and anthropogenic activity in the Lake Issyk-Kul Basin, Kyrgyzstan.CATENA,198.
MLA	Alifujiang, Yilinuer,et al."Changes in intra-annual runoff and its response to climate variability and anthropogenic activity in the Lake Issyk-Kul Basin, Kyrgyzstan".CATENA 198(2021).