Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1002/2016WR020275 |
Empirical Modeling of Planetary Boundary Layer Dynamics Under Multiple Precipitation Scenarios Using a Two-Layer Soil Moisture Approach: An Example From a Semiarid Shrubland | |
Sanchez-Mejia, Zulia Mayari1,2; Papuga, Shirley A.1,3 | |
2017-11-01 | |
发表期刊 | WATER RESOURCES RESEARCH
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ISSN | 0043-1397 |
EISSN | 1944-7973 |
出版年 | 2017 |
卷号 | 53期号:11 |
文章类型 | Article |
语种 | 英语 |
国家 | USA; Mexico |
英文摘要 | In semiarid regions, where water resources are limited and precipitation dynamics are changing, understanding land surface-atmosphere interactions that regulate the coupled soil moisture-precipitation system is key for resource management and planning. We present a modeling approach to study soil moisture and albedo controls on planetary boundary layer height (PBLh). We used Santa Rita Creosote Ameriflux and Tucson Airport atmospheric sounding data to generate empirical relationships between soil moisture, albedo, and PBLh. Empirical relationships showed that similar to 50% of the variation in PBLh can be explained by soil moisture and albedo with additional knowledge gained by dividing the soil profile into two layers. Therefore, we coupled these empirical relationships with soil moisture estimated using a two-layer bucket approach to model PBLh under six precipitation scenarios. Overall we observed that decreases in precipitation tend to limit the recovery of the PBL at the end of the wet season. However, increases in winter precipitation despite decreases in summer precipitation may provide opportunities for positive feedbacks that may further generate more winter precipitation. Our results highlight that the response of soil moisture, albedo, and the PBLh will depend not only on changes in annual precipitation, but also on the frequency and intensity of this change. We argue that because albedo and soil moisture data are readily available at multiple temporal and spatial scales, developing empirical relationships that can be used in land surface-atmosphere applications have great potential for exploring the consequences of climate change. |
英文关键词 | bucket model rainfall albedo eddy covariance land surface-atmosphere interactions Santa Rita Experimental Range |
领域 | 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000418736700010 |
WOS关键词 | LAND-SURFACE ; SUMMER RAINFALL ; PART I ; CHIHUAHUAN DESERT ; CARBON-DIOXIDE ; WATER-BALANCE ; VEGETATION ; CLIMATE ; EVAPOTRANSPIRATION ; ECOHYDROLOGY |
WOS类目 | Environmental Sciences ; Limnology ; Water Resources |
WOS研究方向 | Environmental Sciences & Ecology ; Marine & Freshwater Biology ; Water Resources |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/21899 |
专题 | 资源环境科学 |
作者单位 | 1.Univ Arizona, Sch Nat Resources & Environm, Tucson, AZ 85721 USA; 2.Inst Tecnol Sonora, Obregon, Mexico; 3.Wayne State Univ, Dept Geol, Detroit, MI USA |
推荐引用方式 GB/T 7714 | Sanchez-Mejia, Zulia Mayari,Papuga, Shirley A.. Empirical Modeling of Planetary Boundary Layer Dynamics Under Multiple Precipitation Scenarios Using a Two-Layer Soil Moisture Approach: An Example From a Semiarid Shrubland[J]. WATER RESOURCES RESEARCH,2017,53(11). |
APA | Sanchez-Mejia, Zulia Mayari,&Papuga, Shirley A..(2017).Empirical Modeling of Planetary Boundary Layer Dynamics Under Multiple Precipitation Scenarios Using a Two-Layer Soil Moisture Approach: An Example From a Semiarid Shrubland.WATER RESOURCES RESEARCH,53(11). |
MLA | Sanchez-Mejia, Zulia Mayari,et al."Empirical Modeling of Planetary Boundary Layer Dynamics Under Multiple Precipitation Scenarios Using a Two-Layer Soil Moisture Approach: An Example From a Semiarid Shrubland".WATER RESOURCES RESEARCH 53.11(2017). |
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