Dynamics and Stability of the Hyporheic Environment in Steep Headwater Streams in Western Japan

Tamao Kasahara, Kyushu University, Fukuoka, Japan, Tatsuro Sato, Kyusyu University, Decision Science Center, Fukuoka, Japan and Haotian Sun, Kyushu University, Graduate Education and Research Training Program in Decision Science for a Sustainable Society, Fukuoka, Japan