publication . Article . Other literature type . 2004

PRECIPITATION AND RUNOFF TRENDS

Daqing Yang; Svetlana Berezovskaya; Douglas L. Kane;
Open Access
  • Published: 01 Nov 2004 Journal: Geophysical Research Letters, volume 31, pages n/a-n/a (issn: 0094-8276, Copyright policy)
  • Publisher: American Geophysical Union (AGU)
  • Country: Germany
Abstract
[1] The consistency of long-term yearly precipitation and runoff trends over the largest Arctic watersheds (Ob, Yenisei and Lena Rivers) is examined. Three gridded precipitation datasets (Climatic Research Unit, University of Delaware, NCEP) are used for comparative analyses with runoff data collected at basin outlets. The results generally demonstrate inconsistency in long-term changes of basin precipitation and runoff. The Yenisei River runoff increases significantly, while precipitation data show mostly negative trends. The Ob River does not show any significant trend either in precipitation or runoff. Positive trend in the Lena River runoff is accompanied by...
Subjects
free text keywords: Hydrology, Drainage divide, geography.geographical_feature_category, geography, Arctic, Environmental science, Runoff curve number, Drainage basin, Precipitation, Streamflow, Surface runoff, Global change
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