气候变化领域集成服务门户(CCPortal): 纳木错曲嘎切流域夏季冰川水文特征初步研究

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	纳木错曲嘎切流域夏季冰川水文特征初步研究
其他题名	A Study of the Summer Hydrological Features of Glaciers in the Qugaqie River,Nam Co Basin
	高坛光; 康世昌; 周石矫; 刘景时; 韩文武
发表日期	2009
ISSN	1000-0240
卷号	31 期号:4 页码:725-731
中文摘要	2007年5-10月,对纳木错曲嘎切流域上、下游水文过程进行观测,初步分析了曲嘎切流域冰川径流变化的特征.结果表明:2007年扎当冰川消融期径流主要集中在7-8月,该时段的径流在上、下游分别占整个消融期的69.0%和49.4%;径流在消融期前后日变化不明显,消融期出现明显的冰川融水峰值.2007年5-10月流域上,下游径流深度为1 302.5 mm和855.3 mm,流域径流模数为57.5 L·s~(-1)·km~(-2).径流与气温和降水的多元回归分析表明,气温对上、下游径流的变化起主导作用,但上游因冰川面积所占比例较大,气温的主导作用则更加显著.
英文摘要	During the field observation in the upper and lower reaches of Qugaqie Rivers,which locates in to the Nam Co,from May to October in 2007,mass balance and hydrological features of the Zhadang Glacier were investigated.It is found that July and August is the main ablation period,when the discharge accounts for 69.0% in the upper reaches and 49.4% in the lower reaches of the total to the Qugaqie River.Diurnal discharge variation is inconspicuous before and after ablation season,and there is conspicuous meltwater peak during the ablation season.The glacier meltwater runoff depth is 1 302.5 mm.The mean modulus is around 57.5 L·s~(-1)·km~(-2).Using multivariable regression analysis,the relations between runoff,temperature and precipitation are established.During the ablation season,the runoff change is controlled greatly by air temperature both in the upper and lower reaches of the river.However,the runoff in the upper reaches is much more affected by the air temperature than that in the lower reaches of the river.
关键词	纳木错曲嘎切流域扎当冰川水文特征青藏高原
英文关键词	hydrological features;Nam Co;Qugaqie Basin;Zhadang Glacier;Tibetan Plateau
语种	中文
来源期刊	冰川冻土
来源机构	中国科学院西北资源环境生态研究院
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/89691
推荐引用方式 GB/T 7714	高坛光,康世昌,周石矫,等. 纳木错曲嘎切流域夏季冰川水文特征初步研究[J]. 中国科学院西北资源环境生态研究院,2009,31(4):725-731.
APA	高坛光,康世昌,周石矫,刘景时,&韩文武.(2009).纳木错曲嘎切流域夏季冰川水文特征初步研究.冰川冻土,31(4),725-731.
MLA	高坛光,et al."纳木错曲嘎切流域夏季冰川水文特征初步研究".冰川冻土 31.4(2009):725-731.