Talk, Computational Methods in Water Resources (CMWR) 2018, Saint-Malo: 2018-06-03 - 2018-06-07
Hyporheic flow in hyporheic systems is highly influenced by in-stream bedforms. An accurate representation of topographical variations of the stream-streambed interface is essential in process-based models in order to represent the couplings between hydrologcial and biogeochemical processes correctly. We present an analytical modeling approach for solving hyporheic flow problems without domain truncation. Applications of the method to hyporheic systems, ranging from the centimeter-scale rippled bedforms to riffle structures of 10m and larger scale, indicate the high accuracy of the approach.