Knowledge Resource Center for Ecological Environment in Arid Area
| 项目编号 | 41405063 |
| 中国东北半干旱区能量水分循环过程的资料同化与数值模拟研究 | |
| 文小航 | |
| 主持机构 | 北京师范大学珠海分校 |
| 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 | The Northeastern China is one of the areas sensitive to global change. Under the circumstances of climate change, and the water-energy cycle and local climate effects has significantly changed. It is a big challenge to simulate the feathers of water-energy cycle using regional meteorological model over this area. The purpose of this work is how to fully and effectively use the various kinds of conventional and non-conventional observations to generate a more accurate model initial field, and reduce the error in initial and boundary fields, and using the data assimilation method to improve simulation results. Therefore, a cycling data assimilation method will be developed based on 3D-var method and the near-surface meteorological elements will be assimilated into the WRF model, and so are the multi-source remote sensing observations data will be integrated in numerical model. The purpose of this work is to improve the simulated atmospheric conditions and land surface energy budget components with better initial land surface characteristics, in contrast to the ones in default model. The high spatial and temporal data assimilation dataset will be generated and the credibility of this datasets will also be verified. It is very important for improving a good performance in numerical simulation over semi-arid area northeastern China. The assimilation datasets generated by this work can also be applied to research on climate change and environmental monitoring. |
| 来源机构 | 北京师范大学 |
| 资源类型 | 项目 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/346828 |
| 推荐引用方式 GB/T 7714 | 文小航.中国东北半干旱区能量水分循环过程的资料同化与数值模拟研究.2015. |
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