Parameters of Land-Surface Processes for Gobi in North-West China |
| |
| Authors: | Zhang Qiang Huang Ronghui |
| |
| Institution: | (1) Institute of Arid Meteorology, China Meteorological Administration, Lanzhou, 730000, China;(2) Cold and Arid Regions Environment and Engineering Institute, Chinese, Academy of Sciences, Lanzhou, 730000, China;(3) Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, 100029, China |
| |
| Abstract: | Using data from the intensive observation period (May–June 2000) of the NWC-ALIEX (The Field Experiment on Interaction between Land and Atmosphere in Arid Region of North-west China), the characteristics and mechanisms of some key land-surface process over Gobi in a typical arid region of north-west China are analyzed and several parameters of land-surface processes are calculated. The weighted mean of the surface albedo over a typical arid region of the Dunhuang Gobi is calculated using the relative reflection as a weighting factor, and its value is 0.255 ± 0.021. After removing the influence of precipitation, the mean soil heat capacity over a typical arid region of the Dunhuang Gobi is 1.12 × 106 J m-3 K-1,which is smaller than that observed in the Heihe (China) River basin Field Experiment (HEIFE). The mean soil heat diffusivity and conductivity are about half of those observed in HEIFE. |
| |
| Keywords: | Arid region Land surface North-west China Soil heat capacity Surface albedo |
| 本文献已被 SpringerLink 等数据库收录！ |
|
