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| HEC-RAS× | 電気抵抗イメージング× | |
|---|---|---|
| 分野 | 地球物理学 | 地球物理学 |
| 系統 | Process / pipeline | Process / pipeline |
| 提唱年≠ | 1995 | 1996 |
| 提唱者≠ | US Army Corps of Engineers Hydrologic Engineering Center | Loke and Barker |
| 種類≠ | 1D/2D river hydraulics and flood inundation modeling | Active source resistivity mapping and subsurface imaging |
| 原典≠ | Brunner, G. W. (2010). HEC-RAS river analysis system hydraulic reference manual. US Army Corps of Engineers Hydrologic Engineering Center. link ↗ | Loke, M. H., & Barker, R. D. (1996). Rapid least-squares inversion of apparent resistivity pseudosections by a quasi-Newton method. Geophysical Prospecting, 44(1), 131-152. DOI ↗ |
| 別名 | HEC-RAS | ERT |
| 関連 | 3 | 3 |
| 概要≠ | HEC-RAS (Hydrologic Engineering Center River Analysis System) is a hydraulic modeling software developed by the US Army Corps of Engineers that computes water surface elevation and velocity in open channels and floodplains, and depicts inundation extent and depth. Since its introduction in 1995, HEC-RAS has become the de facto standard for floodplain delineation, dam break analysis, and flood risk assessment for regulatory and engineering purposes. | Electrical Resistivity Tomography (ERT) is an active-source geophysical method that maps the spatial distribution of electrical resistivity in the subsurface by injecting current between two electrodes and measuring potential differences across an array of receiver electrodes. Advanced as a practical technique by Loke and Barker in 1996, ERT has become standard for hydrogeological, environmental, and structural characterization due to its sensitivity to fluid saturation and salt content. |
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