River-mouth dam effect on integrated management of a coastal water resource in a Seto Inland Sea watershed, Western Japan

Mitsuyo Saito; Shin Ichi Onodera; Misa Sawano; Yuta Shimizu; Hidehiro Takahashi; Masato Fukuoka

River-mouth dam effect on integrated management of a coastal water resource in a Seto Inland Sea watershed, Western Japan

Mitsuyo Saito, Shin Ichi Onodera, Misa Sawano, Yuta Shimizu, Hidehiro Takahashi, Masato Fukuoka

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

To evaluate the groundwater resource in the coastal area of the Ashida River, which is one of the catchment of the Seto Inland Sea, we tried to estimate the variation of the volume of "fresh" groundwater (no seawater intrusion) before and after the construction of the river-mouth dam. The result suggests that it has increased since the dam construction in 1978, apparently by the shift of the brackish-freshwater boundary from inland to the coastal line. The volume of brackish water was estimated to be approximately twice that before 1978. The result suggests that the coastal groundwater is a valuable freshwater resource in the study area for the future.

Original language	English
Title of host publication	Improving Integrated Surface and Groundwater Resources Management in a Vulnerable and Changing World
Pages	150-153
Number of pages	4
Publication status	Published - 2009
Externally published	Yes
Event	Symposium JS.3 at the Joint Convention of the International Association of Hydrological Sciences, IAHS and the International Association of Hydrogeologists, IAH - Hyderabad, India Duration: Sept 6 2009 → Sept 12 2009

Publication series

Name	IAHS-AISH Publication
Volume	330
ISSN (Print)	0144-7815

Other

Other	Symposium JS.3 at the Joint Convention of the International Association of Hydrological Sciences, IAHS and the International Association of Hydrogeologists, IAH
Country/Territory	India
City	Hyderabad
Period	9/6/09 → 9/12/09

Keywords

City water simply
Coastal groundwater
Qualitative problem
River-mouth dam
Water use

ASJC Scopus subject areas

Earth and Planetary Sciences(all)

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Cite this

River-mouth dam effect on integrated management of a coastal water resource in a Seto Inland Sea watershed, Western Japan. / Saito, Mitsuyo; Onodera, Shin Ichi; Sawano, Misa et al.
Improving Integrated Surface and Groundwater Resources Management in a Vulnerable and Changing World. 2009. p. 150-153 (IAHS-AISH Publication; Vol. 330).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Saito, M, Onodera, SI, Sawano, M, Shimizu, Y, Takahashi, H & Fukuoka, M 2009, River-mouth dam effect on integrated management of a coastal water resource in a Seto Inland Sea watershed, Western Japan. in Improving Integrated Surface and Groundwater Resources Management in a Vulnerable and Changing World. IAHS-AISH Publication, vol. 330, pp. 150-153, Symposium JS.3 at the Joint Convention of the International Association of Hydrological Sciences, IAHS and the International Association of Hydrogeologists, IAH, Hyderabad, India, 9/6/09.

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abstract = "To evaluate the groundwater resource in the coastal area of the Ashida River, which is one of the catchment of the Seto Inland Sea, we tried to estimate the variation of the volume of {"}fresh{"} groundwater (no seawater intrusion) before and after the construction of the river-mouth dam. The result suggests that it has increased since the dam construction in 1978, apparently by the shift of the brackish-freshwater boundary from inland to the coastal line. The volume of brackish water was estimated to be approximately twice that before 1978. The result suggests that the coastal groundwater is a valuable freshwater resource in the study area for the future.",

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AU - Saito, Mitsuyo

AU - Onodera, Shin Ichi

AU - Sawano, Misa

AU - Shimizu, Yuta

AU - Takahashi, Hidehiro

AU - Fukuoka, Masato

PY - 2009

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N2 - To evaluate the groundwater resource in the coastal area of the Ashida River, which is one of the catchment of the Seto Inland Sea, we tried to estimate the variation of the volume of "fresh" groundwater (no seawater intrusion) before and after the construction of the river-mouth dam. The result suggests that it has increased since the dam construction in 1978, apparently by the shift of the brackish-freshwater boundary from inland to the coastal line. The volume of brackish water was estimated to be approximately twice that before 1978. The result suggests that the coastal groundwater is a valuable freshwater resource in the study area for the future.

AB - To evaluate the groundwater resource in the coastal area of the Ashida River, which is one of the catchment of the Seto Inland Sea, we tried to estimate the variation of the volume of "fresh" groundwater (no seawater intrusion) before and after the construction of the river-mouth dam. The result suggests that it has increased since the dam construction in 1978, apparently by the shift of the brackish-freshwater boundary from inland to the coastal line. The volume of brackish water was estimated to be approximately twice that before 1978. The result suggests that the coastal groundwater is a valuable freshwater resource in the study area for the future.

KW - City water simply

KW - Coastal groundwater

KW - Qualitative problem

KW - River-mouth dam

KW - Water use

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River-mouth dam effect on integrated management of a coastal water resource in a Seto Inland Sea watershed, Western Japan

Abstract

Publication series

Other

Keywords

ASJC Scopus subject areas

UN SDGs

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