
Hiyama County Basin is a major hydrological drainage basin located in Hiyama County, Hokkaido Prefecture, Hokkaido Region, JGSDF Northern Army, Japan, JGSDF Army at coordinates 41.6375° N, 140.1529° E. Covering a total surface area of 1,074 km² with an average annual precipitation of 1,322 mm/yr, this catchment basin governs regional runoff, drainage density, and watershed retention.
Hiyama County Basin is located in Hiyama County, Hokkaido Prefecture, Hokkaido Region, JGSDF Northern Army, Japan, JGSDF Army. Geographically, it lies approximately at coordinates 41.6375° N, 140.1529° E. You can inspect its spatial position and geographic boundaries on the interactive map above.
As a Basin, Hiyama County Basin features an elevation/height of 280 m. Additional physical metrics and detailed bathymetry can be explored under the "Detailed Info" tab.
Hiyama County Basin was formed through regional geomorphological processes, shaped by long-term weathering, lithological structures, and tectonic movement.
Yes, Hiyama County Basin can be explored. You can find nearby routes, natural discovery points, and regional markers under the "Nearby Discovery" tab. Visitors should check local environmental regulations and travel advisories before planning a visit.
| Drainage Area | 1,074 km² |
| Avg Slope | 143.00° |
| Precipitation | 1322 mm/yr |
| Soil Org Carbon | 72 g/kg |
| Avg Elevation | 280 m |
| Area | 1,074 km² |
Native species grouped by taxonomic classification within this basin catchment area
Palaeoloxodon naumanni
Allodesmus sinanoensis
Myodes andersoni
Eubalaena shinshuensis
Hakusanobaatar matsuoi
Echymipera clara
Barbastella pacifica
Myotis yanbarensis
Cygnus olor
Melopsittacus undulatus
Cygnus atratus
Colinus virginianus
Myiopsitta monachus
Bambusicola thoracicus
Craspedorrhynchus hiyodori
Garrulax cineraceus
Pelophylax nigromaculatus
Hynobius tsurugiensis
Microhyla okinavensis
Cynops fudingensis
Scincella dunan
Rana japonica
Hynobius guttatus
Pelophylax porosus
Myliobatis hamlyni
Labeo rohita
Gibelion catla
Anabas testudineus
Trichogaster fasciata
Abaciscus albipunctata
Nogunius sokani
Unachionaspis bambusae
Pseudatheta elegans
Eteoryctis deversa
Ephucilla brevitegula
Odontozona ganzu
Blasconura cordis
Abies mariesii
Aesculus turbinata
Fagus crenata
Salix sieboldiana
Quercus serrata
Gymnomitrion parvitextum
Azolla caroliniana
Deparia nanakuraensis
Detailed science-downscaled diagnostics covering canopy structures, climatology, and watershed stability.
Drainage Area
1,074 km²
Forest
Leaf Area Index (LAI)
3.48 m²/m²
Density Classification
Closed Canopy Forest
Annual Runoff
873 mm
Mean Discharge
12.965 m³/s
Water yield ratio of 66.0%, converting precipitation into channel flow.
Human Stress
Soil Erosion
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