[1]陆恒,魏文寿,刘明哲,等.融雪期天山西部森林积雪表面能量平衡特征[J].山地学报,2015,(02):173.
　LU Heng,WEI Wenshou,et al.The Characteristic of Energy Budget on Snow Surface beneath Picea Schrenkiana Forest in the West Tianshan Mountains of China during Snowmelt Period[J].Mountain Research,2015,(02):173.
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融雪期天山西部森林积雪表面能量平衡特征()
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《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2015年02期
页码:
173
栏目:
山地环境
出版日期:
2015-04-01

文章信息/Info

Title:
The Characteristic of Energy Budget on Snow Surface beneath Picea Schrenkiana Forest in the West Tianshan Mountains of China during Snowmelt Period
作者:
陆恒;魏文寿;刘明哲;洪雯;韩茜;
中国科学院新疆生态与地理研究所;中国科学院大学;中国气象局乌鲁木齐沙漠气象研究所;中国科学院天山积雪与雪崩研究站;
Author(s):
LU Heng; WEI Wenshou; LIU Mingzhe; HAN Xi; HONG Wen
1.Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China; 2.Graduate School University of Chinese Academy of Sciences, Beijing 100049, China; 3. Institute of Desert Meteorology, CMA, Urumqi 830002, China; 4. Tianshan Station for snow & Avalanche Research, Urumqi 830011, China
关键词:
融雪期; 森林积雪; 能量平衡
Keywords:
snowmelt period;  forest snow;  energy budget
分类号:
P343,P426.63
文献标志码:
A
摘要:
通过对2013年春季中国科学院天山积雪与雪崩研究站站区内阳坡开阔地和阴坡雪岭云杉80%和20%开阔度林冠下气温、大气湿度、风速以及雪面短波和长波辐射的观测研究,分析了融雪期不同开阔度林冠下积雪表面能量平衡特征。结果表明:由于植被影响,阴坡雪岭云杉林冠下积雪表面净短波辐射和显热明显小于阳坡开阔地,但净长波辐射损失小于阳坡开阔地。阴坡林冠下积雪表面总能量明显小于阳坡开阔地,因此阴坡森林积雪融雪开始消融和结束时间明显晚于阳坡开阔地。在阴坡,林冠开阔度越大,雪面获得的净短波辐射和显热越大,但损失的净长波辐射和潜热也越大。不同开阔度林冠下和阳坡开阔地积雪表面的净短波辐射、显热和潜热有相同的日变化特征,但...
Abstract:
Air temperature, relative humility, wind speed, shortwave and longwave radiation beneath 80% and 20% canopy openness forest (shady slope) and in runoff field (sunny slope) were measured in Tianshan Research Station for Snow Cover and Avalanche of Chinese Academy of Sciences in the spring of 2013. The characteristics of energy budget on forest snow surface during snowmelt period were analyzed. The results showed, due to the effect of forest, the net shortwave radiation and sensible heat flux on snow surface beneath forest canopy at the shady slope were significantly lower than that at open site at sunny slope, but the loss of net longwave radiation on snow surface beneath forest canopy was lower than that at open site. The total energy heat flux on snow surfsce beneath forest canopy was significantly lower than that at open site, thus, the start and end time of snow melt beneath forest canopy were significantly later than that at open site. Beneath forest canopy at shady slope, the larger the forest canopy was, the higher the gain of sensible heat flux and net shortwave radiation were, the higher the loss of latent heat flux and net longwave radiation were. The daily variation of net shortwave radiation, sensible heat flux, latent heat flux on snow surface beneath different canopy openness forest and on sunny slop was similar, but the sensible heat flux and latent heat flux on snow surface beneath forest at nighttime were almost equal to 0 W/m2. Under the influence of vegetation, the daily variation of longwave radiation on snow surface beneath forest was significantly different with the daily variation in sunny slope.

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备注/Memo

备注/Memo:
收稿日期(Received date)：2014-05-15；改回日期(Accepted) : 2014-09-01。
基金项目（Foundation item）：国家科技支撑计划项目(2012BAC23B01), 国家自然科学基金(41271098, 41171066) [ National Key Technology Research and Development Program of the Ministry of Science and Technology of China(2012BAC23B01), National Natural Science Foundation of China(41271098, 41171066).]
作者简介（Biography）：陆恒(1986-)，男，汉族，四川广元人，在读博士生，研究方向为积雪水文。[Lu Hen,male,from Guangyuan of Sichuan,Ph.D.,research fields of snow hydrology.] Tel: 18699150305, E-mail: luhengwzs@163.com *
通信作者(Corresponding author)：魏文寿，研究员，博士生导师。[Wei Wenshou,professor,doctoral tutor.] E-mail: weiwsh@idm.cn
更新日期/Last Update: 1900-01-01