Table 2.
Type, Name, References, URLs, characteristics, and format for the input data used in the construction and verification of the 3D geological and hydrogeological models; all URLs were last accessed in June 2025.
| Type | Name | Reference | URL | Characteristics | Format |
|---|---|---|---|---|---|
| Digital Elevation Model (DEM) | ASTER Global Digital Elevation Model (GDEM) V003 | NASA/METI/AIST/Japan Spacesystems/U.S./Japan ASTER Science Team83 | 10.5067/ASTER/ASTGTM.003 | 1 arc-sec (≈30 m) spatial resolution | Raster (.tif) |
| Ocean bathymetry | General Bathymetric Chart of the Oceans | GEBCO Bathymetric Compilation Group84 | https://www.gebco.net | 15 arc-sec (≈450 m) spatial resolution | Raster (.tif) |
| Lake bathymetry | Lake and Pond bottom elevations | Geospatial Information Authority85 | https://www.gsi.go.jp/kankyochiri/lakedatalist.html | 10 m spatial resolution | Raster (.tif) |
| Hydrological network | All Rivers, All Lakes & Topography across all Japan | MLIT87,88. | https://nlftp.mlit.go.jp/ksj/index.html | River centrelines and lake surface areas across the Japanese archipelago; 1:25,000 scale | Vector (.shp) |
| Hydrogeological units interfaces | National-scale hydrological model (NHM): Distribution areas and lower surface contours of hydrogeological units | Geosphere Environment Technology Corp. (GETC)78 | https://www.getc.co.jp/webmap_en/ | designed for 500 m x 500 m horizontally resolved national scale hydrological simulations, Integrated in the National Land Information Platform of Japan | Vector (.shp) |
| Geological Map of Fuji Volcano | Takada et al.59 | https://www.gsj.jp/Map/EN/docs/misc_doc/misc_12_2nd.html | 1:50,000 spatial scale, second edition | Vector (.shp) | |
| Topography of Mishima lava flow terminus (FV) | Tsuchi (2017)40 | 1:20,000 map in Mishima City with contour lines | Map (.jpg) | ||
| Upper and lower surface elevation lava and mud layers from Fujinomiya and Hoshiyama stages | Murashita (1982); Ono et al.31,116 | 1: 200,000 map in the Fuji City area (SW) with contour lines of OLF, OLFM, FV and MF | Map (.jpg) | ||
| Cross-sections throughout the catchment | Ono et al.68 | 1:400,000 map of the whole catchment with cross-section traces | Image (.jpg) | ||
| Verification boreholes | Discrete locations of the bottom elevation of the MF, FV and OLFM layers | Ikeda (1989); Uchiyama (2020); Yamamoto44,80,129 | Borehole georeferenced and depth reported for each layer interface | Vector (.shp) | |
| Faults | Position of the major branches of the Fujikawa-Kako Fault Zone | Active fault database of Japan64 | https://gbank.gsj.jp/activefault/index | Lines compiled from the 1:200,000 map; General N 10°E direction, 30 km length | Vector (.shp) |
| Land-use and land-cover | Land-use and land-cover map of Japan | Japan Aerospace Exploration Agency, Earth Observation Research Center, version 23.1.292 | https://www.eorc.jaxa.jp/ALOS/en/dataset/lulc_e.htm | Integrates Sentinel-2, Landsat-8, and ALOS-2 (PALSAR-2) satellite data; Overall classification accuracy: 95.53%; spatial resolution: 100 m | Raster (.tif) |