18O/16O, 2H/1H and 3H measurements on precipitation and air moisture samples from the North Water area

Schriber, G.; Stauffer, B.; Müller, F. (1977). 18O/16O, 2H/1H and 3H measurements on precipitation and air moisture samples from the North Water area. In: Isotopes and impurities in snow and ice. Proceedings of the Grenoble symposium. IAHS Red Book Series: Vol. 118 (pp. 182-187). International Association of Hydrological Sciences

Text 4744.182-187-118-Schriber.pdf - Published Version Restricted to registered users only Available under License Publisher holds Copyright. Download (14MB)

From 1972 to 1974 a mesoclimatic study was conducted in the North Water area between north Greenland and Ellesmere Island, with the aim of assessing the influence of this polynya.
In support of the climatological and glaciological programme of the North Water Project an isotope study was carried out. At Coburg Island, Carey Island and Cape Herschel precipitation and air moisture were systematically collected.
The analysis of all samples collected from November 1972 to May 1973 on Coburg Island is complete. In the precipitation samples the 18O/16O and 2H/XH ratios as well as the tritium content were measured, for the air moisture samples the 18O/16O ratios were determined.
The data obtained from the precipitation and air moisture samples show remarkable correlation with the temperature; however, the air moisture samples may be affected by isotopic fractionation during collection.
The isotopic data suggest that approximately 25 per cent of the precipitation is of local origin.

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