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|a 10.1111/gwat.13336
|2 doi
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|a eng
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| 100 |
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|a Brookfield, Andrea E
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Estimating Groundwater Pumping for Irrigation
|b A Method Comparison
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|c 2024
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| 336 |
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|a Text
|b txt
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|a ƒaComputermedien
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|a Date Completed 30.01.2024
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|a Date Revised 02.08.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2023 The Authors. Groundwater published by Wiley Periodicals LLC on behalf of National Ground Water Association.
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|a Effective groundwater management is critical to future environmental, ecological, and social sustainability and requires accurate estimates of groundwater withdrawals. Unfortunately, these estimates are not readily available in most areas due to physical, regulatory, and social challenges. Here, we compare four different approaches for estimating groundwater withdrawals for agricultural irrigation. We apply these methods in a groundwater-irrigated region in the state of Kansas, USA, where high-quality groundwater withdrawal data are available for evaluation. The four methods represent a broad spectrum of approaches: (1) the hydrologically-based Water Table Fluctuation method (WTFM); (2) the demand-based SALUS crop model; (3) estimates based on satellite-derived evapotranspiration (ET) data from OpenET; and (4) a landscape hydrology model which integrates hydrologic- and demand-based approaches. The applicability of each approach varies based on data availability, spatial and temporal resolution, and accuracy of predictions. In general, our results indicate that all approaches reasonably estimate groundwater withdrawals in our region, however, the type and amount of data required for accurate estimates and the computational requirements vary among approaches. For example, WTFM requires accurate groundwater levels, specific yield, and recharge data, whereas the SALUS crop model requires adequate information about crop type, land use, and weather. This variability highlights the difficulty in identifying what data, and how much, are necessary for a reasonable groundwater withdrawal estimate, and suggests that data availability should drive the choice of approach. Overall, our findings will help practitioners evaluate the strengths and weaknesses of different approaches and select the appropriate approach for their application
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Research Support, U.S. Gov't, Non-P.H.S.
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| 700 |
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|a Zipper, Samuel
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kendall, Anthony D
|e verfasserin
|4 aut
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| 700 |
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|a Ajami, Hoori
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Deines, Jillian M
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Ground water
|d 1979
|g 62(2024), 1 vom: 30. Jan., Seite 15-33
|w (DE-627)NLM098182528
|x 1745-6584
|7 nnas
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| 773 |
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|g volume:62
|g year:2024
|g number:1
|g day:30
|g month:01
|g pages:15-33
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|u http://dx.doi.org/10.1111/gwat.13336
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