Knowledge Resource Center for Ecological Environment in Arid Area
| 项目编号 | 41401040 |
| 祁连山高寒山区凝结水时空动态过程 | |
| 韩春坛 | |
| 主持机构 | 中国科学院寒区旱区环境与工程研究所 |
| 开始日期 | 2015 |
| 结束日期 | 2017 |
| 资助经费 | 260000(CNY) |
| 项目类别 | 青年科学基金项目 |
| 资助机构 | CN-NSFC（国家自然科学基金） |
| 语种 | 中文 |
| 国家 | 中国 |
| 英文简介 | Condensation water is consisted of dew, frost, fog and soil condensation water in the narrow sense. Due to dramatical change of hydrothermal regime in near-surface atmospheric of the Alpine region, condensation occurred frequently and a large quantity of water is involved in this process. As a vital role of hidden water resource, though condensation water does not directly participate in the runoff process of the hydrological cycle, it is much more significance to the fragile ecological stability and eco-hydrological processes of cryosphere sustained-release. Condensation water in different underlying surface (alpine grassland, alpine meadow, alpine shrub, swamp meadow and alpine desert) of the Alpine region is mainly studied and following three questions will be analysed in this project. 1) Comparison the quantity of condensation water at different underlying surface and altitude gradient effect of condensation water on spatial distribution. 2) Relationship between meteorological factors and condensation water in the Alpine region, and the influence of meteorological factors on the change process of condensation water. 3) Interaction between processes of evaporation and condensation. We intend to adopt standard fog collector (SFC), automatic weighing lysimeter, micro-lysimeter, combined with Eddy Covariance and meteorological gradient observation. Through these experiments, the condensation water quantity of different underlying surface in the alpine region can be preliminarily figured out. The processes of evaporation and condensation in shallow layer soil will be studied. The spatial and temporal feature of condensation water in Hulu watershed will be revealed. The amount of contribution of the condensation water to water resources and ecological significance in the Alpine region will be explored. |
| 来源机构 | 中国科学院西北生态环境资源研究院 |
| 资源类型 | 项目 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/346747 |
| 推荐引用方式 GB/T 7714 | 韩春坛.祁连山高寒山区凝结水时空动态过程.2015. |
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