TY - JFULL AU - M. Alauddin and T. Tsujimoto PY - 2013/12/ TI - Groin Configurations: An Approach towards Stable Lowland Rivers with Improved Environmental Functions T2 - International Journal of Environmental and Ecological Engineering SP - 787 EP - 792 VL - 7 SN - 1307-6892 UR - https://publications.waset.org/pdf/9997060 PU - World Academy of Science, Engineering and Technology NX - Open Science Index 83, 2013 N2 - Dynamicity of stream channels along with environmental concern is the key issue to address in lowland rivers like Jamuna in Bangladesh. The groins are important structures in attaining the improved river environment, but their effective functioning is not evident yet with the present design. Considering the present demands, an approach through modification of groin configurations is planned to function more natural way in dynamic lowland rivers. Four different configurations including the conventional one are considered in the study, and the changes in hydro- and morpho-dynamics affected by various structures are investigated in the laboratory. Results show that the modified combined groin favors gradual deceleration of flow towards the channel side and minimizes local scour noticeably. This favors stable regular channel and improve environmental functions. ER -