2012.4-2013.3 Yearbook of NILIM
Research Summary
Environment Department
Reference Number | Y120102 |
Title | Research on environmental conservation of estuary suffering topographic change |
Start-End Date | 2012.4-2013.3 |
Division | River Environment Division |
Author | Head, Yoichi IWAMI Senior Researcher, Keigo NAKAMURA Research Engineer, Masataka HAGA |
Summary | In this research, we collected the data of geomorphology, water quality, bed material and biology on five major rivers along the Pacific in Tohoku district, and analyzed the influence of the Great East Japan Earthquake. Comparing the geomorphology in riverine estuary before and after the earthquake, we found the decrease of intertidal area and the reduction of reed community in the Kitakami River. The influence on water quality by the earthquake was rarely observed. |