Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1016/j.jhydrol.2017.03.008 |
An assessment of differences in gridded precipitation datasets in complex terrain | |
Henn, Brian1,6; Newman, Andrew J.2; Livneh, Ben3,4; Daly, Christopher5; Lundquist, Jessica D.1 | |
通讯作者 | Henn, Brian |
来源期刊 | JOURNAL OF HYDROLOGY
![]() |
ISSN | 0022-1694 |
EISSN | 1879-2707 |
出版年 | 2018 |
卷号 | 556页码:1205-1219 |
英文摘要 | Hydrologic modeling and other geophysical applications are sensitive to precipitation forcing data quality, and there are known challenges in spatially distributing gauge-based precipitation over complex terrain. We conduct a comparison of six high-resolution, daily and monthly gridded precipitation datasets over the Western United States. We compare the long-term average spatial patterns, and interannual variability of water-year total precipitation, as well as multi-year trends in precipitation across the data sets. We find that the greatest absolute differences among datasets occur in high-elevation areas and in the maritime mountain ranges of the Western United States, while the greatest percent differences among datasets relative to annual total precipitation occur in arid and rain-shadowed areas. Differences between datasets in some high-elevation areas exceed 200 mm yr(-1) on average, and relative differences range from 5 to 60% across the Western United States. In areas of high topographic relief, true uncertainties and biases are likely higher than the differences among the datasets; we present evidence of this based on streamflow observations. Precipitation trends in the datasets differ in magnitude and sign at smaller scales, and are sensitive to how temporal inhomogeneities in the underlying precipitation gauge data are handled. (C) 2017 Elsevier B.V. All rights reserved. |
英文关键词 | Precipitation Hydroclimatology Gridded forcing data Orographic enhancement Uncertainty Climate trends |
类型 | Article |
语种 | 英语 |
国家 | USA |
收录类别 | SCI-E |
WOS记录号 | WOS:000423641300093 |
WOS关键词 | HYDROLOGICALLY BASED DATASET ; LAND-SURFACE FLUXES ; WINTER PRECIPITATION ; SIERRA-NEVADA ; TEMPERATURE ; SNOW ; VARIABILITY ; PATTERNS ; NETWORK ; TRENDS |
WOS类目 | Engineering, Civil ; Geosciences, Multidisciplinary ; Water Resources |
WOS研究方向 | Engineering ; Geology ; Water Resources |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/211043 |
作者单位 | 1.Univ Washington, Dept Civil & Environm Engn, Seattle, WA USA; 2.Natl Ctr Atmospher Res, Res Applicat Lab, POB 3000, Boulder, CO 80307 USA; 3.Univ Colorado, Dept Civil Environm & Architectural Engn, Boulder, CO 80309 USA; 4.Univ Colorado, Cooperat Inst Res Environm Sci, Boulder, CO USA; 5.Oregon State Univ, PRISM Climate Grp, Northwest Alliance Computat Sci & Engn, Sch Chem Biol & Environm Engn, Corvallis, OR USA; 6.Univ Calif San Diego, Ctr Western Weather & Water Extremes, Scripps Inst Oceanog, La Jolla, CA 92093 USA |
推荐引用方式 GB/T 7714 | Henn, Brian,Newman, Andrew J.,Livneh, Ben,et al. An assessment of differences in gridded precipitation datasets in complex terrain[J],2018,556:1205-1219. |
APA | Henn, Brian,Newman, Andrew J.,Livneh, Ben,Daly, Christopher,&Lundquist, Jessica D..(2018).An assessment of differences in gridded precipitation datasets in complex terrain.JOURNAL OF HYDROLOGY,556,1205-1219. |
MLA | Henn, Brian,et al."An assessment of differences in gridded precipitation datasets in complex terrain".JOURNAL OF HYDROLOGY 556(2018):1205-1219. |
条目包含的文件 | 条目无相关文件。 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。