East Sepik Basin is a major hydrological drainage basin located in East Sepik, Momase Region, Papua New Guinea at coordinates 4.0974° S, 141.9300° E. Covering a total surface area of 129.4 km² with an average annual precipitation of 3,027 mm/yr, this catchment basin governs regional runoff, drainage density, and watershed retention.
East Sepik Basin is located in East Sepik, Momase Region, Papua New Guinea. Geographically, it lies approximately at coordinates 4.0974° S, 141.9300° E. You can inspect its spatial position and geographic boundaries on the interactive map above.
As a Basin, East Sepik Basin features an elevation/height of 39 m. Additional physical metrics and detailed bathymetry can be explored under the "Detailed Info" tab.
East Sepik Basin was formed through regional geomorphological processes, shaped by long-term weathering, lithological structures, and tectonic movement.
Yes, East Sepik 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 | 129.4 km² |
| Avg Slope | 8.00° |
| Precipitation | 3027 mm/yr |
| Soil Org Carbon | 46 g/kg |
| Avg Elevation | 39 m |
| Area | 129.4 km² |
Native species grouped by taxonomic classification within this basin catchment area
Pteralopex anceps
Pteralopex flanneryi
Dendrolagus matschiei
Dactylopsila tatei
Paramelomys gressitti
Sminthopsis archeri
Myoictis leucura
Echymipera davidi
Hypocharmosyna placentis
Pampusana jobiensis
Ptilorrhoa geislerorum
Phonygammus diamondi
Harpia harpyja
Ara macao
Penelope purpurascens
Hypsilurus modestus
Tropidonophis mcdowelli
Cornufer exedrus
Cophixalus melanops
Toxicocalamus mattisoni
Gerrhopilus papuanorum
Litoria pronimia
Cophixalus clapporum
Glossogobius multipapillus
Glossogobius macrocephalus
Arapaima gigas
Pygocentrus nattereri
Paracheirodon innesi
Electrophorus electricus
Joculator sarahpezetae
Plumachaetas spec
Nososticta boonei
Overbeckia papuana
Nososticta chrismulleri
Alpheus takla
Maechidius dendrolagus
Maechidius trivialis
Abrodictyum pluma
Eumachia goodenoughiensis
Diospyros tehno
Ceodes diandra
Aeschynomene indica
Uraria lagopodioides
Tribulus cistoides
Dissochaeta brassii
Detailed science-downscaled diagnostics covering canopy structures, climatology, and watershed stability.
Drainage Area
129.4 km²
Forest
Leaf Area Index (LAI)
6.04 m²/m²
Density Classification
Closed Canopy Forest
Annual Runoff
1,416 mm
Mean Discharge
1,434.739 m³/s
Water yield ratio of 46.8%, converting precipitation into channel flow.
Human Stress
Soil Erosion
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