Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1002/2017GL074884 |
Irrigation Patterns Resemble ERA-Interim Reanalysis Soil Moisture Additions | |
Tuinenburg, O. A.; de Vries, J. P. R. | |
2017-10-28 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS
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ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2017 |
卷号 | 44期号:20 |
文章类型 | Article |
语种 | 英语 |
国家 | Netherlands |
英文摘要 | Irrigation modulates the water cycle by making water available for plants, increasing transpiration and atmospheric humidity, while decreasing temperatures due to the energy that is needed for evaporation. Irrigation is usually not included in atmospheric reanalysis systems, but moisture can be added to the soil due to data assimilation. This paper compares these soil moisture additions to the irrigation patterns. In the ERA-interim atmospheric reanalysis, 2 m temperature observations are assimilated. A mismatch between modeled and observed temperatures is corrected by adding or removing moisture from the soil. These corrections show a clear pattern of mean soil moisture additions in many areas. To determine the cause of these increments, the spatial and temporal patterns of these soil moisture increments are compared to irrigation water demand and precipitation bias. In irrigated areas, the annual means and cycles of soil moisture increments correlate well with irrigation, and less with precipitation bias. Therefore, in irrigated areas, the soil moisture increments are more likely caused by irrigation than by the precipitation bias. In nonirrigated areas, a weak statistical relation between soil moisture increments and precipitation bias is present. Irrigation is currently not included in reanalysis systems. However, as irrigation indirectly influences the water balance in atmospheric reanalysis systems, we recommend to include this process in reanalysis models. Moreover, the influence of irrigation on the local and regional atmosphere should be taken into account when interpreting atmospheric data over strongly irrigated areas. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000416761600032 |
WOS关键词 | NUMERICAL WEATHER PREDICTION ; SOUTHERN GREAT-PLAINS ; SURFACE FLUXES ; UNITED-STATES ; CLIMATE ; INDIA |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
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/26476 |
专题 | 气候变化 |
作者单位 | Univ Utrecht, Dept Environm Sci, Copernicus Inst Sustainable Dev, Utrecht, Netherlands |
推荐引用方式 GB/T 7714 | Tuinenburg, O. A.,de Vries, J. P. R.. Irrigation Patterns Resemble ERA-Interim Reanalysis Soil Moisture Additions[J]. GEOPHYSICAL RESEARCH LETTERS,2017,44(20). |
APA | Tuinenburg, O. A.,&de Vries, J. P. R..(2017).Irrigation Patterns Resemble ERA-Interim Reanalysis Soil Moisture Additions.GEOPHYSICAL RESEARCH LETTERS,44(20). |
MLA | Tuinenburg, O. A.,et al."Irrigation Patterns Resemble ERA-Interim Reanalysis Soil Moisture Additions".GEOPHYSICAL RESEARCH LETTERS 44.20(2017). |
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