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Ecology Publications & Forms |
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Ecology Publications & Forms |
| Title | An Evaluation of a Piezometer-Based Constant Head Injection Test (CHIT) for use in Groundwater/Surface Water Interaction Studies |
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An Evaluation of a Piezometer-Based Constant Head Injection Test (CHIT) for use in Groundwater/Surface Water Interaction Studies (Number of pages: 31) (Publication Size: 532KB)
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| Author(s) | Pitz, C. | ||||
| Description | This report presents an evaluation of Cardenas and Zlotnik’s piezometer-based, constant head injection test (CHIT) for estimating the hydraulic conductivity (K) of streambed and lake-bed sediments during studies of groundwater/surface water exchange. In addition to assessing the practical application of the test, a sensitivity analysis was completed to determine the influence of field measurement errors on the K estimate. The simplicity and speed of the test procedure can improve efforts to bracket the K variability of groundwater/surface water interface-zone sediments throughout a study area. Standardized operating procedures and recommendations are presented for future use of the CHIT method. August 2007 update: The original version of this publication (November 2006) has been updated to reflect an erratum published for the Cardenas and Zlotnik (2003) reference. Several mathematical terms were also revised to provide consistency with that erratum. |
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| Contact | EAP Publications Coordinator at 564-669-3028 or EAPpubs@ecy.wa.gov | ||||
| Keywords | surface water, evaluation, water, Total Maximum Daily Load, groundwater |
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