Stable isotopic variations in oxygen and hydrogen of waters in Lake Bosten region, southern Xinjiang, western China

uTaipei > College of Science > Department of Applied Physics and Chemistry > Periodical Articles > Item 987654321/2620

Please use this identifier to cite or link to this item: http://utaipeir.lib.utaipei.edu.tw/dspace/handle/987654321/2620

Title:	Stable isotopic variations in oxygen and hydrogen of waters in Lake Bosten region, southern Xinjiang, western China
Authors:	KUO-YEN WEI MENG-YANG LEE CHUNG-HO WANG YONG WANG TEH-QUE LEE PEI-YI YAO 李孟陽汪中和
Contributors:	臺北市立教育大學自然科學系
Keywords:	oxygen isotope hydrogen isotope hydrology LakeBosten Xinjiang
Date:	2002
Issue Date:	2009-07-31 10:53:14 (UTC+8)
Abstract:	Water samples taken fromBosten Lake andseveral rivers/channels that flowinto or out of theLake duringthe summersof 1999and 2000were analyzedfor theirvarious characteristics, includingpH, conductivity,totaldissolved solid(TDS),C-14 ageaswellasoxygen andhydrogen isotopic ratios. The highC-14 activity of water samples suggests that the carbon in lakewater ismodern and the water circulation is fast.High conductivity and TDS of lake water samples (1000 - 3000 mS. cm-1) compared to river waters (130 - 300mS. cm-1) is indicative of the presence of soluble mineral species (e.g., sulfate and chloride), a sign ofmineralization of the lake water. The d18O values range from -2.5‰ to -10.5‰ whereas dD from -26‰ to -59‰. Compared to theriverwater samples, lakewater shows obvious enrichmentof heavier isotopes in bothoxygen and hydrogen, suggesting significant evaporation effectdespite the fact that the lakewater sampleswere taken during flooding periods of 1999 and 2000.On the d18O-dDplot the surfacewater data forma linear arraywith the best-fit line of dD= 3.7d18O- 20 (r =0.91). The intersectionbetween this lineand theGlobalMeteoricWaterLine ofCraigis approximately at d18O= -7‰ and dD= -46‰, indicative of the average d18Oand dDvalues of the precipitation of themiddle section of the Tien ShanRangeand theYan QiBasin. The water source ismainly from the precipitation ofwarm seasons (April - October).
Relation:	西太平洋地質科學 Western Pacific Earth Sciences (WPES), Vol.2, No.1, P.67-82
Appears in Collections:	[Department of Applied Physics and Chemistry] Periodical Articles

Files in This Item:

There are no files associated with this item.

Loading...