Abstract
Through laboratory data and the analysis of field observation data from the Heihe River Basin in China, groundwater movement (referred to as the groundwater flow) is confirmed, and the groundwater water head value at different vertical depths (in the same aquifer) at any point on the plane differs. When groundwater level rises dynamically, the water head at the lower part of the plane is higher than it is at the head of the upper part; when the groundwater level is dynamically reduced, the upper head is higher than the lower head. That is, the groundwater flow usually moves in an oblique direction, as is the case with the bottom plate. This phenomenon was first observed in laboratory water injection and pumping tests and was verified via the study of water levels at different burial depths for the same aquifer obtained from exploration wells using stratification techniques in the middle reaches of the Heihe River. At the same time, the stratification technology guarantees the practice and field verification of groundwater flow system theory.
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