Process-based topographic analysis and hydrological properties in temperate mountainous catchments

H. Ikemi, H. Pachri, Y. Mitani

Research output: Chapter in Book/Report/Conference proceedingChapter

2 Citations (Scopus)

Abstract

How much is known about the relationship between topography and sediment dynamic in mountainous catchments? A previous numerical process-based study, with a high-resolution digital terrain model (DTM), reported a quantitative relationship between annual precipitation and river incision. However, the ability to predict sediment transport within mountainous streams is still needed in order to integrate sediment management in rivers. In this study, we focus on the relationship between topography and hydrologic properties in temperate mountainous catchments as a fundamental study to connect topography and sediment movement. The studied mountain catchments located in northern Kyushu, Japan, are composed mainly of Mesozoic granitic rocks. In the catchments, three terrain parameters were determined with topographic analysis using a process-based model and airborne LiDAR survey data. Hydrological measurements such as electric conductivity and water discharges were also carried out on the streams. One of the studied terrain parameters, D/K, shows a bimodal distribution indicating a few groups in our study area. The values also show a relationship with water discharges. These results show that the basin topography would have been formed through similar surface processes and correlate with the current hydrological environment. This process-based modeling could be an effective tool to quantitatively analyze short-term impacts of climate on topography.

Original languageEnglish
Title of host publicationEngineering Geology for Society and Territory - Volume 3
Subtitle of host publicationRiver Basins, Reservoir Sedimentation and Water Resources
PublisherSpringer International Publishing
Pages331-334
Number of pages4
ISBN (Electronic)9783319090542
ISBN (Print)9783319090535
DOIs
Publication statusPublished - Jan 1 2015

Fingerprint

topography
catchment
sediment
airborne survey
digital terrain model
river
sediment transport
conductivity
analysis
water
mountain
climate
basin
rock
modeling
parameter

All Science Journal Classification (ASJC) codes

  • Earth and Planetary Sciences(all)

Cite this

Ikemi, H., Pachri, H., & Mitani, Y. (2015). Process-based topographic analysis and hydrological properties in temperate mountainous catchments. In Engineering Geology for Society and Territory - Volume 3: River Basins, Reservoir Sedimentation and Water Resources (pp. 331-334). Springer International Publishing. https://doi.org/10.1007/978-3-319-09054-2_69

Process-based topographic analysis and hydrological properties in temperate mountainous catchments. / Ikemi, H.; Pachri, H.; Mitani, Y.

Engineering Geology for Society and Territory - Volume 3: River Basins, Reservoir Sedimentation and Water Resources. Springer International Publishing, 2015. p. 331-334.

Research output: Chapter in Book/Report/Conference proceedingChapter

Ikemi, H, Pachri, H & Mitani, Y 2015, Process-based topographic analysis and hydrological properties in temperate mountainous catchments. in Engineering Geology for Society and Territory - Volume 3: River Basins, Reservoir Sedimentation and Water Resources. Springer International Publishing, pp. 331-334. https://doi.org/10.1007/978-3-319-09054-2_69
Ikemi H, Pachri H, Mitani Y. Process-based topographic analysis and hydrological properties in temperate mountainous catchments. In Engineering Geology for Society and Territory - Volume 3: River Basins, Reservoir Sedimentation and Water Resources. Springer International Publishing. 2015. p. 331-334 https://doi.org/10.1007/978-3-319-09054-2_69
Ikemi, H. ; Pachri, H. ; Mitani, Y. / Process-based topographic analysis and hydrological properties in temperate mountainous catchments. Engineering Geology for Society and Territory - Volume 3: River Basins, Reservoir Sedimentation and Water Resources. Springer International Publishing, 2015. pp. 331-334
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