Preliminary Results on Hydrological and Hydrochemical Features of Kartamak Glacier Area in Mt. Muztag Ata  

作　　者：ZHAO Huabiao YAO Tandong XU Baiqing 

机构地区：[1]Key Laboratory of Cryosphere and Environment, CAREERI, CAS, Lanzhou Gansu 730000, China [2]Institute of Tibetan Plateau Research, CAS, Bering 100085, China Key Laboratory of Oryosphere and Environment,CAREERI, CAS, Lanzhou Gansu 730000, China

出　　处：《Journal of Mountain Science》2007年第1期77-85,共9页山地科学学报（英文）

基　　金：This work was supported by the National Basic Research Program of China （Grant No.2005CB422004）；the Knowledge Innovation Project of CAS of China （Grant No. KZCX3-SW-339）；the Innovative Research Team of the National Natural Science Foundation of China （Grant No. 40121101）.

摘　　要：The variations of the meltwater runoff draining from Kartamak Glacier in Mt. Muztag Ata in China were studied by using the measured hydrological data from 1 June to 25 August 2003. The meltwater runoff is mainly affected by ambient temperature and precipitation. Meltwater and precipitation samples were collected from 10 to 23 August 2003. Their pH, EC (electric conductivity) and the major ions (Na^+, K^+, Ca^(2+), Mg^(2+), Cl^-, NO_3^-, SO_~4^(2-)) were determined. pH values showed a positive correlation with EC values for all samples. Meltwater samples were slightly alkaline. Sulfate and calcium were the dominant anion and cation in the measured ions, respectively. All the ion concentrations had inverse relationships with runoff or water level. In order to discuss the origins of dissolved chemical substances in the glacial meltwater, a principal component analysis was carried out. The results showed that water-rock interaction determined the ion components of the meltwater.

关 键 词：Muztag Ata Kartamak Glacier Meltwater runoff Hydrochemical characteristics 

分 类 号：P343.6[天文地球—水文科学]