首页|Diurnal freeze/thaw cycles of the ground surface on the Tibetan Plateau

Diurnal freeze/thaw cycles of the ground surface on the Tibetan Plateau

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The exchange of energy and water between the lithosphere and atmosphere mainly takes place at the ground surface. Therefore, freeze/thaw condition at the ground surface is an important factor in examining the interactions between the land surface and atmosphere. Based on the observation data obtained by CEOP/CAMP-Tibet, the diurnal freeze/thaw cycles of the ground surface near Naqu, central Tibetan Plateau was preliminarily analyzed. The results show that the surface layer was completely frozen for approximately one month. However, the time that the ground surface experienced diurnal freeze/thaw cycles was about 6 months. The high frequency of freeze/thaw cycles at the ground surface significantly influences water and energy exchanges between ground and atmosphere over half a year. The interaction processes between the ground and atmosphere under different soil conditions (such as complete thaw, complete freeze and diurnal freeze/thaw cycles) are issues worthy of further examination.

Tibetan Plateauground surface soilfreeze/thaw processesdiurnal freeze/thaw cycles

YANG MeiXue、YAO TanDong、GOU XiaoHua、HIROSE Nozomu、FUJII Hide Yuki、HAO LiSheng、D.F.LEVIA

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Key Laboratory of Cryosphere and Environment, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, China

Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing 100085, China

Key Laboratory of Western China's Environment System MOE, Lanzhou University, Lanzhou 730000, China

University of Tokyo, Tokyo, Japan

Hengshui Meteorological Bureau, Hengshui 053000, China

Center for Climatic Research and Department of Geography, University of Delaware, DE 19716, USA

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国家重点基础研究发展计划(973计划)国家自然科学基金中国科学院"百人计划"Talent Program of CAREERI,CAS

2005CB422004405710362004401

2007

科学通报(英文版)
中国科学院

科学通报(英文版)

SCI
ISSN：1001-6538
年,卷(期)：2007.52(1)
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