Variability of Diurnal Temperature Range During Winter Over Western Himalaya: Range- and Altitude-Wise Study

Shekhar M. S.; Devi Usha; Dash S. K.; Singh G. P.; Singh Amreek

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Variability of Diurnal Temperature Range During Winter Over Western Himalaya: Range- and Altitude-Wise Study

机译：西喜喜马拉雅西部冬季温度范围的变异性：范围 - 高度明智的研究

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The current trends in diurnal temperature range, maximum temperature, minimum temperature, mean temperature, and sun shine hours over different ranges and altitudes of Western Himalaya during winter have been studied. Analysis of 25 years of data shows an increasing trend in diurnal temperature range over all the ranges and altitudes of Western Himalaya during winter, thereby confirming regional warming of the region due to present climate change and global warming. Statistical studies show significant increasing trend in maximum temperature over all the ranges and altitudes of Western Himalaya. Minimum temperature shows significant decreasing trend over Pir Panjal and Shamshawari range and significant increasing trend over higher altitude of Western Himalaya. Similarly, sunshine hours show significant decreasing trend over Karakoram range. There exists strong positive correlation between diurnal temperature range and maximum temperature for all the ranges and altitudes of Western Himalaya. Strong negative correlation exists between diurnal temperature range and minimum temperature over Shamshawari and Great Himalaya range and lower altitude of Western Himalaya. Sunshine hours show strong positive correlation with diurnal temperature range over Pir Panjal and Great Himalaya range and lower and higher altitudes.

机译：本文研究了喜马拉雅西部不同海拔高度和范围内冬季气温日较差、最高气温、最低气温、平均气温和日照时数的变化趋势。对25年数据的分析表明，在冬季，喜马拉雅西部所有范围和高度的日间温度范围都呈上升趋势，从而证实了由于目前的气候变化和全球变暖，该地区的区域变暖。统计研究表明，在喜马拉雅山西部的所有范围和高度，最高气温都有显著的上升趋势。在Pir Panjal和Shamshawari山脉，最低气温呈显著下降趋势，在喜马拉雅西部较高海拔地区，最低气温呈显著上升趋势。同样，喀喇昆仑山脉的日照时数也呈现出显著的下降趋势。喜马拉雅山西部所有山脉和高度的日温度范围和最高温度之间都存在很强的正相关关系。沙姆沙瓦里山脉、大喜马拉雅山脉和西喜马拉雅低海拔地区的日较差与最低气温之间存在较强的负相关。日照时数与Pir Panjal和大喜马拉雅山脉以及低海拔和高海拔地区的日温度范围呈强正相关。

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来源
《Pure and Applied Geophysics》 |2018年第8期|共13页
作者
Shekhar M. S.; Devi Usha; Dash S. K.; Singh G. P.; Singh Amreek;
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作者单位

Snow &

Avalanche Study Estab R&

D Ctr Chandigarh 160036 India;

Snow &

Avalanche Study Estab R&

D Ctr Chandigarh 160036 India;

IIT Delhi Ctr Atmospher Sci New Delhi 110016 India;

Banaras Hindu Univ Dept Geophys Varanasi 221005 Uttar Pradesh India;

Snow &

Avalanche Study Estab R&

D Ctr Chandigarh 160036 India;

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原文格式 PDF
正文语种 eng
中图分类地球物理学;
关键词
Western Himalaya; diurnal temperature range; correlation coefficients; Pir Panjal; climate change;

机译：西部喜马拉雅州;昼夜温度范围;相关系数;Pir Panjal;气候变化;

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Variability of Diurnal Temperature Range During Winter Over Western Himalaya: Range- and Altitude-Wise Study

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