Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.2136/vzj2018.01.0009 |
Evaluation of Gridded Meteorological Data for Calculating Water Balance Cover Storage Requirements | |
Breitmeyer, Ronald J.1; Stewart, Mary Kate2; Huntington, Justin L.3 | |
通讯作者 | Breitmeyer, Ronald J. |
来源期刊 | VADOSE ZONE JOURNAL
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ISSN | 1539-1663 |
出版年 | 2018 |
卷号 | 17期号:1 |
英文摘要 | Water balance cover (WBC) systems are attractive for waste management facilities in arid to semiarid environments because they are a lower cost alternative to conventional geotechnical soil or composite barrier-style covers. The required storage (S-r) for a WBC is dependent on climatic conditions, with the most influence from the seasonal balance of precipitation (P) and potential evapotranspiration (PET). Gridded meteorological datasets provide long-term, continuous, and accessible sources of P and PET for Sr estimation. Six sites in Nevada were analyzed for the agreement among P, PET, and Sr calculated from station and gridded meteorological data (gridMET). Two sites each at elevations of 0 to 1000 m asl, 1000 to 1500 m asl, and 1500 to 2000 m asl were considered during a 21-yr period. The gridMET and station-based P and Sr were generally not significantly different for sites between 0 and 1500 m asl. For sites above 1500 m asl, the differences in P were significant. For the sites analyzed in this study, gridMET typically resulted in equivalent or more conservative estimates of WBC Sr. Percolation rates from hypothetical WBCs were also simulated in the flow model HYDRUS to evaluate WBC performance when using station-based or gridMET-based atmospheric model boundary conditions. Simulations indicate that percolation rates are higher when gridMET atmospheric data are used vs. station-based data for five out of the six sites. This suggests that gridMET-based model boundary conditions provide a degree of conservatism in calculating WBC S-r. This trend was not ubiquitous for all sites (one out of six did not follow), indicating that further study is required before applying these findings generally. |
类型 | Article |
语种 | 英语 |
国家 | USA |
收录类别 | SCI-E |
WOS记录号 | WOS:000442531200001 |
WOS关键词 | UNITED-STATES ; WEATHER DATA ; HYDRAULIC CONDUCTIVITY ; FIELD PERFORMANCE ; SEMIARID REGIONS ; GREAT-BASIN ; LANDFILL ; PRECIPITATION ; MODEL ; TEMPERATURE |
WOS类目 | Environmental Sciences ; Soil Science ; Water Resources |
WOS研究方向 | Environmental Sciences & Ecology ; Agriculture ; Water Resources |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/213540 |
作者单位 | 1.Univ Nevada, Geol Engn & Hydrogeol Dept, Reno, NV 89557 USA; 2.Copper Environm, Leviathan Mine, Anaconda, MT 59711 USA; 3.Desert Res Inst, Div Hydrol Sci, Reno, NV 89512 USA |
推荐引用方式 GB/T 7714 | Breitmeyer, Ronald J.,Stewart, Mary Kate,Huntington, Justin L.. Evaluation of Gridded Meteorological Data for Calculating Water Balance Cover Storage Requirements[J],2018,17(1). |
APA | Breitmeyer, Ronald J.,Stewart, Mary Kate,&Huntington, Justin L..(2018).Evaluation of Gridded Meteorological Data for Calculating Water Balance Cover Storage Requirements.VADOSE ZONE JOURNAL,17(1). |
MLA | Breitmeyer, Ronald J.,et al."Evaluation of Gridded Meteorological Data for Calculating Water Balance Cover Storage Requirements".VADOSE ZONE JOURNAL 17.1(2018). |
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