Knowledge Resource Center for Ecological Environment in Arid Area
| 项目编号 | 41405016 |
| 高寒湿地地气间能量与碳、水通量交换特征研究 | |
| 王少影 | |
| 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 | 250000(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 | Alpine wetland is one of the important types of wetland ecosystems in China. Due to high altitude and low temperature, alpine wetland is very sensitive to global warming. However, the wetland research has mainly focused on the low-altitude areas, the surface energy, water vapor and carbon fluxes exchange processes of the high-altitude wetland still need to be investigated. Based on the long-term measurements of the energy, water vapor and carbon fluxes over an alpine wetland in the Zoige plateau, with eddy covariance and micrometeorological measurements, the aims of this study are (1) to calculate the aerodynamic roughness length, the thermal roughness length, coefficient kB-1, the drag coefficient and the heat transfer coefficient, (2) to characterize the diurnal, seasonal and interannual variations in energy, water vapor and carbon fluxes, (3) to clarify the main controlling factors and coupling mechanisms of energy partition, water vapor and carbon fluxes exchange over different time scales, (4) to investigate the effect of snow, during soil freezing and thawing on radiation balance, energy partition, water vapor and carbon fluxes exchange. The proposed project will allow for a better understanding of the roles of alpine wetland ecosystem in terrestrial ecosystem energy and mass exchange. And it will be favorable for the alpine wetland ecosystem protection and the local economic sustainable development. |
| 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/2XILL650/346732 |
| 推荐引用方式 GB/T 7714 | 王少影.高寒湿地地气间能量与碳、水通量交换特征研究.2015. |
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