کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9462537 | 1621743 | 2005 | 12 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Long-term annual water balance analysis of the Lena River
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
علوم زمین و سیارات
فرآیندهای سطح زمین
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Long-term annual water balance analysis of the Lena River Long-term annual water balance analysis of the Lena River](/preview/png/9462537.png)
چکیده انگلیسی
Historical data analyses show that the Lena River and its major tributaries experienced an extended low water period over 1936-1957 and high water periods over 1974-1983 and 1988-2001. Higher than normal river discharge and annual precipitation is particularly pronounced since the late 1960s due to large-scale changes in atmospheric circulation patterns. The trend in runoff observed in the Lena River basin increased by 10% from 1936 to 2001 due to extended wet periods during the second part of last century. The trend is weakened for the Vilui River basin since it experiences reservoir regulation, which causes additional water losses through reservoir filling and increased evaporation. Runoff regulation strongly affects the winter runoff regime of both the Vilui River and the lower reaches of the Lena River causing an increased winter discharge at the Lena river outlet station of approximately 33%.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Global and Planetary Change - Volume 48, Issues 1â3, September 2005, Pages 84-95
Journal: Global and Planetary Change - Volume 48, Issues 1â3, September 2005, Pages 84-95
نویسندگان
Sveta Berezovskaya, Daqing Yang, Larry Hinzman,