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| CONSTRAINING PHYSICAL UNDERSTANDING OF AEROSOL LOADING, BIOGEOCHEMISTRY, AND SNOWMELT HYDROLOGY FROM HILLSLOPE TO WATERSHED SCALE IN THE EAST RIVER SCIENTIFIC FOCUS AREA | |
| 项目编号 | DE-SC0019194 |
| Skiles, S. McKenzie | |
| 项目主持机构 | University of Utah |
| 开始日期 | 2018-09-15 |
| 结束日期 | 2020-09-14 |
| 英文摘要 | The mountain snowpack is acritical component of regional hydrology, ecology, biogeochemistry, and climatein the Western US. This project will leverage the East River Scientific FocusArea (SFA), located in the upper Colorado River Basin (CRB) in west centralColorado, as an outdoor laboratory to address a significant gap in ourunderstanding of the mountain snowpack. It is well established that 1) netsolar radiation, itself controlled by snow albedo, drives snowmelt in almostall snow-covered environments, and 2) the upper CRB consistently receives duston snow deposition in the spring that accelerates snowmelt timing and amplifiessnowmelt rates via snow darkening. What is not well understood is deposition,mixing rate, and fate of other aerosols, how aerosols influences watershedecohydrology and biogeochemistry processes, and how to model these processes tobetter represent the role of snow and aerosol deposition in mountain watershedsystems. The project will bringtogether novel observations of snowpack at multiple scales, including lidar andimaging spectrometer measurements from NASA-JPL’s Airborne Snow Observatory,high-resolution measurements of snow physical and properties, depositedaerosols physical, chemical, and optical properties, tracking of depositedaerosols residence and reaction times in the watershed, and in situ time seriesof surface energy balance, water flux, and water chemistry. The proposed workwill fuse the remotely sensed and ground based measurements with anoperational, physics-based hydrologic model, the WRF-Hydro/National Water Modelsystem, to test and improve its capability to represent alpine snow dynamics,and related control on ecohydrologic and biogeochemical processes, from thehillslope to watershed scale. |
| 学科分类 | 09 - 环境科学;06 - 生物科学 |
| 资助机构 | US-DOE |
| 项目经费 | 192846 |
| 项目类型 | Grant |
| 国家 | US |
| 语种 | 英语 |
| 文献类型 | 项目 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/73116 |
| 推荐引用方式 GB/T 7714 | Skiles, S. McKenzie.CONSTRAINING PHYSICAL UNDERSTANDING OF AEROSOL LOADING, BIOGEOCHEMISTRY, AND SNOWMELT HYDROLOGY FROM HILLSLOPE TO WATERSHED SCALE IN THE EAST RIVER SCIENTIFIC FOCUS AREA.2018. |
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