5:15 PM - 7:15 PM
[MZZ45-P15] Development of “Izunoseki” Geotour in Mt. Kurikoma Area Geopark
~Learning from our predecessors about how to interact with water~
Keywords:Disaster Prevention, Pass Down, Science Communication, Resident Participation
Around "Ichihasama Rive" in Kurihara City, Miyagi Prefecture, where Mt. Kurikoma Area Geopark is located, we are developing a geotour using the Izuno-seki Weir, which was constructed in the Edo period, together with volunteers from a guide association.
The Ichihasama River has flooded many times, causing flood damage to the watershed. On the other hand, there are wide terraces in this basin, and the development of new rice paddies and water supply have been an issue in the terraces, commonly known as Izunohara, since the Edo period. The “Izuno-seki weir” was a weir that brought water from the upper reaches of the Ichihasama River to this Izunohara. The Izuno-seki weir is still an important facility for the community and is carefully maintained by the local residents. In addition, the ingenuity of our predecessors in using a weir with a small difference in elevation to channel water, the ingenuity of modern technology, and records of flood damage can be observed in the surrounding area.
With the aim of developing a geotour program that tours around the Izuno-seki weir from its intake, the Izuno-seki weir headworks, to the prefectural Hakuo High School, which is almost the end of the Izuno-seki weir, we conducted a survey with members of Mt. Kurikoma Area Geopark Guides Association to discover guide points in the Izuno-seki weir and surrounding area.
As a result, we were able to identify the following candidate guiding points and contents that could be used as a geotour, which will be presented in this presentation.
Izuno Seseragi Park: History of the Izuno weir headworks and changes in the water intake due to flooding
Nagasakigawa - Mukashigawa Crossing: on the siphon technology and history of the weir channel and the direct river crossing
Between Kanaya and Yado: weirs and paddy fields on the terrace face and paddy fields under the terrace cliffs
Tsukidate-shinden: weirs on the terrace face and the Ichihasama River below the terrace cliffs
Otaki area: about the waterfall created by the weir and the history of the weir
Tohoku Expressway crossing: About the highway construction and the preservation of the weir
Shibahime Karishiki Flood Marker Pillar: About past flood damage and the origins of the land
Tokutomi Bridge and Moguri Bridge: About the ingenuity to coexist with floods in the Hasama River
Miyagi Prefectural Haokuo High School: About the end point of the Izuno-seki weir and the terrace topography
We would like to conduct a monitoring tour of the Izuno-seki weir geotour by inviting neighboring geoparks in 2025 to brush up the program.
This research is being conducted with the support of KAKEN (23K02767).
The Ichihasama River has flooded many times, causing flood damage to the watershed. On the other hand, there are wide terraces in this basin, and the development of new rice paddies and water supply have been an issue in the terraces, commonly known as Izunohara, since the Edo period. The “Izuno-seki weir” was a weir that brought water from the upper reaches of the Ichihasama River to this Izunohara. The Izuno-seki weir is still an important facility for the community and is carefully maintained by the local residents. In addition, the ingenuity of our predecessors in using a weir with a small difference in elevation to channel water, the ingenuity of modern technology, and records of flood damage can be observed in the surrounding area.
With the aim of developing a geotour program that tours around the Izuno-seki weir from its intake, the Izuno-seki weir headworks, to the prefectural Hakuo High School, which is almost the end of the Izuno-seki weir, we conducted a survey with members of Mt. Kurikoma Area Geopark Guides Association to discover guide points in the Izuno-seki weir and surrounding area.
As a result, we were able to identify the following candidate guiding points and contents that could be used as a geotour, which will be presented in this presentation.
Izuno Seseragi Park: History of the Izuno weir headworks and changes in the water intake due to flooding
Nagasakigawa - Mukashigawa Crossing: on the siphon technology and history of the weir channel and the direct river crossing
Between Kanaya and Yado: weirs and paddy fields on the terrace face and paddy fields under the terrace cliffs
Tsukidate-shinden: weirs on the terrace face and the Ichihasama River below the terrace cliffs
Otaki area: about the waterfall created by the weir and the history of the weir
Tohoku Expressway crossing: About the highway construction and the preservation of the weir
Shibahime Karishiki Flood Marker Pillar: About past flood damage and the origins of the land
Tokutomi Bridge and Moguri Bridge: About the ingenuity to coexist with floods in the Hasama River
Miyagi Prefectural Haokuo High School: About the end point of the Izuno-seki weir and the terrace topography
We would like to conduct a monitoring tour of the Izuno-seki weir geotour by inviting neighboring geoparks in 2025 to brush up the program.
This research is being conducted with the support of KAKEN (23K02767).