Knowledge Resource Center for Ecological Environment in Arid Area
| 项目编号 | 51479086 |
| 荒漠化地区土壤-水文-植被参数多尺度时空变异与耦合转换函数研究 | |
| 刘廷玺 | |
| 主持机构 | 内蒙古农业大学 |
| 开始日期 | 2015 |
| 结束日期 | 2018 |
| 资助经费 | 840000(CNY) |
| 项目类别 | 面上项目 |
| 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 | Reasonable assurance of soil-hydrology-vegetation parameters is the key issue to study water cycle, eco-hydrological modeling. Taking the desertified Horqin Sandy Land as the study area, by following the technology roadmap of field experiments, variance analysis, functions building, adaptive assessment, this study will: 1) combined the methods of pedo-transfer function, geostatistics, joint multifractal, neural networks, stochastic theory, spectral analysis, uncertainty analysis, data processing and classification, and gradually/tree regression analysis; 2) analyze multi-scale spatiotemporal variations, coupling effects and collaborative structural features of the parameters of saturated hydraulic conductivity, groundwater level, vegetation index as well as the coefficient models of moisture characteristic curve, unsaturated hydraulic conductivity, infiltration curve; 3) establish the multi-scale coupled transfer functions by related the parameters, coefficient models to the easy-accessed main correlation variable and other spatiotemporal information; 4) applied the coupled transfer functions to the water-heat-salt coupled transfer analyzing of GSPAC system, eco-hydrological processes simulation and water system dynamic evaluation; 5) evaluated the validity, applicability, uncertainty and reliability of coupled transfer functions. This project will play an important role in enriching and advancing the theory of multi-scale spatiotemporal variations and coupled transfer functions of soil-hydrology-vegetation parameters, and will provide technical information for water resources protection and ecosystem health maintenance. |
| 来源机构 | 内蒙古农业大学 |
| 资源类型 | 项目 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/345740 |
| 推荐引用方式 GB/T 7714 | 刘廷玺.荒漠化地区土壤-水文-植被参数多尺度时空变异与耦合转换函数研究.2015. |
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