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Hydrological Impacts of Climate Change on Streamflow of Dongliao River Watershed in Jilin Province, China

ZHANG Lei LU Wenxi YANG Qingchun AN Yongkai LI Di GONG Lei

ZHANG Lei, LU Wenxi, YANG Qingchun, AN Yongkai, LI Di, GONG Lei. Hydrological Impacts of Climate Change on Streamflow of Dongliao River Watershed in Jilin Province, China[J]. 中国地理科学, 2012, 22(5): 522-530.
引用本文: ZHANG Lei, LU Wenxi, YANG Qingchun, AN Yongkai, LI Di, GONG Lei. Hydrological Impacts of Climate Change on Streamflow of Dongliao River Watershed in Jilin Province, China[J]. 中国地理科学, 2012, 22(5): 522-530.
ZHANG Lei, LU Wenxi, YANG Qingchun, AN Yongkai, LI Di, GONG Lei. Hydrological Impacts of Climate Change on Streamflow of Dongliao River Watershed in Jilin Province, China[J]. Chinese Geographical Science, 2012, 22(5): 522-530.
Citation: ZHANG Lei, LU Wenxi, YANG Qingchun, AN Yongkai, LI Di, GONG Lei. Hydrological Impacts of Climate Change on Streamflow of Dongliao River Watershed in Jilin Province, China[J]. Chinese Geographical Science, 2012, 22(5): 522-530.

Hydrological Impacts of Climate Change on Streamflow of Dongliao River Watershed in Jilin Province, China

Hydrological Impacts of Climate Change on Streamflow of Dongliao River Watershed in Jilin Province, China

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出版历程
  • 刊出日期:  2012-10-05

Hydrological Impacts of Climate Change on Streamflow of Dongliao River Watershed in Jilin Province, China

摘要:  The impacts of future climate change on streamflow of the Dongliao River Watershed located in Jilin Province, China have been
evaluated quantitatively by using a general circulation model (HadCM3) coupled with the Soil and Water Assessment Tool (SWAT)
hydrological model. The model was calibrated and validated against the historical monitored data from 2005 to 2009. The streamflow was
estimated by downscaling HadCM3 outputs to the daily mean temperature and precipitation series, derived for three 30-year time slices,
2020s, 2050s and 2080s. Results suggest that daily mean temperature increases with a changing rate of 0.435℃ per decade, and
precipitation decreases with a changing rate of 0.761 mm per decade. Compared with other seasons, the precipitation in summer shows
significant downward trend, while a significant upward trend in autumn. The annual streamflow demonstrates a general downward trend
with a decreasing rate of 0.405 m3/s per decade. The streamflow shows significant downward and upward trends in summer and in
autumn, respectively. The decreasing rate of streamflow in summer reaches 1.97 m3/s per decade, which contributes primarily to the
decrease of streamflow. The results of this work would be of great benifit to the design of economic and social development planning in
the study area.

English Abstract

ZHANG Lei, LU Wenxi, YANG Qingchun, AN Yongkai, LI Di, GONG Lei. Hydrological Impacts of Climate Change on Streamflow of Dongliao River Watershed in Jilin Province, China[J]. 中国地理科学, 2012, 22(5): 522-530.
引用本文: ZHANG Lei, LU Wenxi, YANG Qingchun, AN Yongkai, LI Di, GONG Lei. Hydrological Impacts of Climate Change on Streamflow of Dongliao River Watershed in Jilin Province, China[J]. 中国地理科学, 2012, 22(5): 522-530.
ZHANG Lei, LU Wenxi, YANG Qingchun, AN Yongkai, LI Di, GONG Lei. Hydrological Impacts of Climate Change on Streamflow of Dongliao River Watershed in Jilin Province, China[J]. Chinese Geographical Science, 2012, 22(5): 522-530.
Citation: ZHANG Lei, LU Wenxi, YANG Qingchun, AN Yongkai, LI Di, GONG Lei. Hydrological Impacts of Climate Change on Streamflow of Dongliao River Watershed in Jilin Province, China[J]. Chinese Geographical Science, 2012, 22(5): 522-530.

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