Decrease of river runoff in the upper waters of the Eurasian Basin, Arctic Ocean, between 1991 and 1996: Evidence from δ18O data

Details Decrease of river runoff in the upper waters of the Eurasian Basin, Arctic Ocean, between 1991 and 1996: Evidence from δ18O data Decrease of river runoff in the upper waters of the Eurasian Basin, Arctic Ocean, between 1991 and 1996: Evidence from δ18O data

May 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002georl..29i...3s&link_type=abstract

Geophysical Research Letters, Volume 29, Issue 9, pp. 3-1, CiteID 1289, DOI 10.1029/2001GL013135

Mathematics

Logic

16

Oceanography: General: Arctic And Antarctic Oceanography, Oceanography: General: Climate And Interannual Variability (3309), Oceanography: Biological And Chemical: Geochemistry

Scientific paper

Measurements of the H218O/H216O ratio of water from two sections crossing the Eurasian Basin in 1991 and 1996 show that the observed decrease in the freshwater contained in the upper waters of the Eurasian Basin during the 1990s is due to decrease in meteoric water (mainly river runoff). The decrease in meteoric water inventories between 1991 and 1996 calculated from balances of mass, salinity, δ18O, and PO4* is about 3 meters and accounts for basically the entire freshwater change inferred from salinity budgets. Climatological data are used to ensure that the two sections can be considered to belong to the same hydrographic regime. The data also suggest that in 96 the formation of sea ice from the upper waters in the Amundsen Basin was lower by about 1 meter (3 m in 1996 compared to 4 m in 1991).

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