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Featured researches published by Kichan Park.


Doboku Gakkai Ronbunshuu B | 2007

THE CHANGE OF FLOOD DISCHARGE ACCORDING TO TRANSITION OF LANDUSE IN THE MIKASA RIVER WATERSHED

Yutaka Oyagi; Kazuaki Otsuki; Chikako Sugimoto; Yukihiro Shimatani; Tetsuro Esaki; Kichan Park

Urban development causes serious changes to watershed conditions by decreasing storage area, introducing pavement and channeling. As a result, the peak discharge has been increasing and the arrival time of peak becomes shorter. The purpose of this study is to estimate the change of flood discharge by transition of landuse in the Mikasa River watershed with the effect of the existing storage facilities such an irrigation ponds. To estimate that we applied the distributed runoff model considering the landuse in 1900, 1950, 1976 and 1997 of the Mikasa River watershed about flood disaster in July 19, 2003. The result of calculation showed that the peak discharge at Sanno Bridge has been increased 27% for the last 100 years result from transition of landuse in the Mikasa River watershed.


Doboku Gakkai Ronbunshuu B | 2003

A SEDIMENT DISCHARGE FORMULA FOR VARIOUS TYPES OF SEDIMENT TRANSPORT IN A STEEP OPEN CHANNEL

Haruyuki Hashimoto; Kichan Park; Shinya Ikematsu; Nobutada Tasaki


Doboku Gakkai Ronbunshuu B | 2003

RUNOFF ANALYSIS OF SEDIMENT AND WATER DUE TO HEAVY RAIN FROM A MOUNTAIN RIVER DRAINAGE

Haruyuki Hashimoto; Kichan Park; Hiroki Takaoka; Mitsuyoshi Arawatari


Doboku Gakkai Ronbunshuu B | 1999

BED-LOAD TRANSPORT AND BED VARIATION IN AN OPEN CHANNEL WITH MULTIPLE ROWS OF CYLINDERS

Muneo Hirano; Haruyuki Hashimoto; Junichirou Tamamatsu; Kichan Park; Takafumi Hibako


Doboku Gakkai Ronbunshu | 1999

FIELD MEASUREMENTS OF DEBRIS FLOWS IN THE MIZUNASHI AND NAKAO RIVERS ON MT UNZEN-HUGEN DAKE

Muneo Hirano; Haruyuki Hashimoto; Michinari Kouno; Kunihiko Onda; Kichan Park


Doboku Gakkai Ronbunshuu B | 2008

THE ESTIMATION OF FLOOD CONTROL BY STORAGE FACILITY IN THE MIKASA RIVER WATERSHED

Kazuaki Otsuki; Yutaka Oyagi; Yukihiro Shimatani; Kichan Park


Doboku Gakkai Ronbunshuu B | 2006

THE PROPOSE OF FLOOD CONTROL IN THE MIKASA RIVER WATERSHED USING IRRIGATION PONDS

Yutaka Oyagi; Yukihiro Shimatani; Chikako Sugimoto; Kensuke Kato; Kichan Park


Doboku Gakkai Ronbunshuu B | 2005

RUNOFF ANALYSIS OF THE DEBRIS FLOWS PRODUCED BY SLOPE FAILURES

Haruyuki Hashimoto; Hiroki Takaoka; Kichan Park; Hiroyuki Nagano


Doboku Gakkai Ronbunshuu B | 2003

SEDIMENT RUNOFF CONTROL AND SORTING BY FOREST ZONE DURING FLOOD AND DEBRIS FLOW EVENTS

Haruyuki Hashimoto; Kichan Park; Shinya Ikematsu; Shuusaku Nakashima


Doboku Gakkai Ronbunshuu B | 2002

CHARACTERISTICS OF THE RUNOFF OF SEDIMENT AND WATER IN A LATERAL ERODIBLE STRAIGHT CHANNEL WITH STEEP SLOPE

Haruyuki Hashimoto; Kichan Park; Shinya Ikematsu; Hiroki Takaoka

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