玉龙雪山东坡气温和降水梯度年内变化特征

辛惠娟; 何元庆; 李宗省; 王世金; 杜建括; 王春凤; 蒲焘; 张蔚

doi:10.3799/dqkx.2012.S1.019

Volume 37 Issue S1

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XIN Hui-juan, HE Yuan-qing, LI Zong-xing, WANG Shi-jin, DU Jian-kuo, WANG Chun-feng, PU Tao, ZHANG Wei, 2012. Inter-Annual Variation of Temperature and Precipitation Gradient at the Eastern Slope of Yulong Snow Mountain. Earth Science, 37(S1): 188-194. doi: 10.3799/dqkx.2012.S1.019

Citation:

XIN Hui-juan, HE Yuan-qing, LI Zong-xing, WANG Shi-jin, DU Jian-kuo, WANG Chun-feng, PU Tao, ZHANG Wei, 2012. Inter-Annual Variation of Temperature and Precipitation Gradient at the Eastern Slope of Yulong Snow Mountain. Earth Science, 37(S1): 188-194. doi: 10.3799/dqkx.2012.S1.019

Citation:

XIN Hui-juan, HE Yuan-qing, LI Zong-xing, WANG Shi-jin, DU Jian-kuo, WANG Chun-feng, PU Tao, ZHANG Wei, 2012. Inter-Annual Variation of Temperature and Precipitation Gradient at the Eastern Slope of Yulong Snow Mountain. Earth Science, 37(S1): 188-194. doi: 10.3799/dqkx.2012.S1.019

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Inter-Annual Variation of Temperature and Precipitation Gradient at the Eastern Slope of Yulong Snow Mountain

doi: 10.3799/dqkx.2012.S1.019

XIN Hui-juan^{1, 2
,},
HE Yuan-qing¹,
LI Zong-xing^{1, 2},
WANG Shi-jin^{1, 2},
DU Jian-kuo³,
WANG Chun-feng³,
PU Tao³,
ZHANG Wei^{1, 2}

1.
State Key Laboratory of Cryosphere Science, Yulong Glacial and Environmental Observation Station, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, China
2.
Graduate University of the Chinese Academy of Sciences, Beijing 100049, China
3.
College of Resources and Environmental Sciences, Lanzhou University, Lanzhou 730000, China

Received Date: 2011-07-08
Available Online: 2021-11-15
Publish Date: 2012-05-01

Abstract

Abstract

Based on the data of temperature and rainfall recorded by automatic weather stations at different altitudes in the eastern slope of Yulong Snow Mountain from Oct. 2008 to Sep. 2009, the inter-annual variations of temperature and precipitation gradient have been systematically analyzed. The results show that the monthly variation of temperature gradient is significant. Between 2 400 m to 3 046 m, the maximum absolute value of the temperature gradient is 1.01 ℃/100 m in April, the minimum is 0.39 ℃/100 m in December, and the difference is 0.62 ℃/100 m; and the maximum absolute value of the temperature gradient is 0.60 ℃/100 m between 2 400 m to 3 046 m in April, the minimum is 0.32 ℃/100 m in January, both differ by 0.28 ℃/100 m; whereas the maximum absolute value of the temperature gradient is 0.80 ℃/100 m in February, the minimum is 0.46 ℃/100 m in August, and the difference is 0.32 ℃/100 m between 3 046 m to 4 300 m. The precipitation at 2 400, 3 046, 4 300 and 4 800 m above sea level in the eastern slope during May-October is 788.4, 1 884.3, 435.3 and 1 980.7 mm respectively. What's more, with the rise of elevation, there are two precipitation peaks and precipitation gradient display variations from positive to negative to positive to negative. The first higher rainfall belt is between 2 800 m and 3 200 m above sea level, may supply plenty moisture to the forest area; the second largest precipitation zone is in the glacier covered area between 4 800 m and 5 000 m above sea level, providing mass accumulation for glacier formation.
- Yulong Snow Mountain,
- temperature gradient,
- precipitation gradient,
- glacier,
- climate change,
- environmental engineering

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References(44)

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Inter-Annual Variation of Temperature and Precipitation Gradient at the Eastern Slope of Yulong Snow Mountain

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