
Nishiokitama County Basin is a major hydrological drainage basin located in Nishiokitama County, Yamagata Prefecture, Tōhoku, JGSDF North Eastern Army, Japan, JGSDF Army at coordinates 38.0505° N, 139.7125° E. Covering a total surface area of 1,105.9 km² with an average annual precipitation of 1,841 mm/yr, this catchment basin governs regional runoff, drainage density, and watershed retention.
Nishiokitama County Basin is located in Nishiokitama County, Yamagata Prefecture, Tōhoku, JGSDF North Eastern Army, Japan, JGSDF Army. Geographically, it lies approximately at coordinates 38.0505° N, 139.7125° E. You can inspect its spatial position and geographic boundaries on the interactive map above.
As a Basin, Nishiokitama County Basin features an elevation/height of 497 m. Additional physical metrics and detailed bathymetry can be explored under the "Detailed Info" tab.
Nishiokitama County Basin was formed through regional geomorphological processes, shaped by long-term weathering, lithological structures, and tectonic movement.
Yes, Nishiokitama 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 | 1,105.9 km² |
| Avg Slope | 170.00° |
| Precipitation | 1841 mm/yr |
| Soil Org Carbon | 74 g/kg |
| Avg Elevation | 497 m |
| Area | 1,105.9 km² |
Native species grouped by taxonomic classification within this basin catchment area
Allodesmus sinanoensis
Myodes andersoni
Palaeoloxodon naumanni
Eubalaena shinshuensis
Hakusanobaatar matsuoi
Pteropus pselaphon
Martes melampus
Murina ryukyuana
Colinus virginianus
Melopsittacus undulatus
Cygnus atratus
Bambusicola thoracicus
Alopochen aegyptiaca
Craspedorrhynchus hiyodori
Myiopsitta monachus
Garrulax sannio
Scincella dunan
Onychodactylus kinneburi
Odorrana splendida
Microhyla okinavensis
Echinotriton raffaellii
Pelophylax nigromaculatus
Polypedates leucomystax
Rhinella marina
Myliobatis hamlyni
Labeo rohita
Gibelion catla
Anabas testudineus
Trichogaster fasciata
Abaciscus albipunctata
Ephucilla brevitegula
Dryocoetiops laevis
Baiocis anaticeps
Crypsithyris japonica
Unachionaspis bambusae
Blasconura cordis
Iassus lateralis
Abies mariesii
Salix sieboldiana
Aesculus turbinata
Fagus crenata
Quercus serrata
Etyeoryctis picrasmae
Diplazium kanayamaense
Diplazium tsukushiense
Detailed science-downscaled diagnostics covering canopy structures, climatology, and watershed stability.
Drainage Area
1,105.9 km²
Forest
Leaf Area Index (LAI)
4.26 m²/m²
Density Classification
Closed Canopy Forest
Annual Runoff
983 mm
Mean Discharge
36.365 m³/s
Water yield ratio of 53.4%, converting precipitation into channel flow.
Human Stress
Soil Erosion
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