| Abstract: | Intercepted intracell flow, especially if cell includes water table recharge and a stream (sink), can result in significant model error if not accounted for. A procedure utilizing net flow per cell (Fn) that accounts for intercepted intracell flow can be used for both steady state and transient simulations. Germane to the procedure is the determination of the ratio of area of influence of the interior sink to the area of the cell (Ai/Ac). Ai is the area in which water table recharge has the potential to be intercepted by the sink. Determining Ai/Ac requires either a detailed water table map or observation of stream conditions within the cell. A proportioning parameter M, which is equal to 1 or slightly less and is a function of cell geometry, is used to determine how much of the water that has potential for interception is intercepted by the sink within the cell. Also germane to the procedure is the determination of the flow across the streambed (Fs) which is not directly a function of cell size, due to difference in head between the water level in the stream and the potentiometric surface of the aquifer underlying the streambed. -from Authors |
| Genre: | Article |
| ProdID: | 70015697 |
| Citation Author: | Jorgensen, D. G.; Signor, D. C.; Imes, J. L. |
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| Citation End Page: | 684 |
| Citation Issue: | 4 |
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| Citation Language: | English |
| Citation Larger Work Title: | Water Resources Research |
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| Citation Number Of Pages: | 8 |
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| Citation Search Results Text: | Accounting for intracell flow in models with emphasis on water table recharge and stream-aquifer interaction. 2. A procedure; 1989; Article; Journal; Water Resources Research; Jorgensen, D. G.; Signor, D. C.; Imes, J. L. |
| Citation Start Page: | 677 |
| Citation Volume: | 25 |
| Citation Year: | 1989 |
| Type: | citation/reference |
| Text: | Accounting for intracell flow in models with emphasis on water table recharge and stream-aquifer interaction. 2. A procedure; 1989; Article; Journal; Water Resources Research; Jorgensen, D. G.; Signor, D. C.; Imes, J. L. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| Date Other: | Sun, 1 Jan 1989 00:00 -0600 |
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