Spatial and temporal patterns of precipitation and stream flow variations in Tigris-Euphrates river basin

被引：15

作者：

Daggupati, Prasad ^{[1
]}

Srinivasan, Raghavan ^{[2
]}

Ahmadi, Mehdi ^{[2
]}

Verma, Deepa ^{[3
]}

机构：

[1] Univ Guelph, Sch Engn, Guelph, ON N1G 2W1, Canada

[2] Texas A&M Univ, Ecosyst Sci & Management Dept, Spatial Sci Lab, College Stn, TX 77801 USA

[3] RMZ Centennial, Shell Technol Ctr, Bangalore 5600048, Karnataka, India

来源：

ENVIRONMENTAL MONITORING AND ASSESSMENT | 2017年 / 189卷 / 02期

关键词：

Tigris Euphrates basin; CFSR weather data; Spatio-temporal precipitation analysis; Spatio-temporal stream flow analysis; Snowfall runoff correlation; CLIMATE-CHANGE; WATER-RESOURCES; EXTREME EVENTS; IMPACT; HYDROLOGY; MODEL;

D O I：

10.1007/s10661-016-5752-y

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Tigris and Euphrates river basin (TERB) is one of the largest river basins in the Middle East, and the precipitation (in the form of snowfall) is a major source of streamflow. This study investigates the spatial and temporal variability of precipitation and streamflow in TERB to better understand the hydroclimatic variables and how they varied over time. The precipitation shows a decreasing trend with 1980s being wetter and 2000s being drier. A total of 55 and 40% reduction in high flows in Tigris and Euphrates rivers at T20 and E3 was seen in post-reservoir period. A lag time of 3 to 4 and 5 to 6 months was estimated between peak snowfall and runoff time periods. Decreasing precipitation and streamflow along with several planned dams could hamper the sustainability of several Mesopotamian marshlands that completely depend on the water from the Tigris and Euphrates rivers.

引用

页数：15

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