APPENDIX 16: 09 SEHNKWEHN RIVER PRINCIPAL BASIN TABLES, FIGURES AND MAPS

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09 SEHNKWEHN RIVER PRINCIPAL BASIN

Morphometric parameters of principal basin

Basin area km2 5,659 Main river length km 230 Elevation at main river source m 260 Minimum basin elevation m 0.0 Maximum basin elevation m 490 Basin length km 128 Form factor 0.35 Elongation ratio 0.66

Classified Tributaries

Subasin Code

Subbasin Name Basin area (km2)

Tributary length (km)

09L20 Bewa Creek 552 69 09R20 Jobo (Jubo) River 1,558 136 09R10 Shani River 739 69 09L10 "No Name" 327 58

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% of total basin area

Hypsometric curve - Basin 09 Sahnkwehn

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09 SEHNKWEHN PRINCIPAL BASIN

Coding Identification Coordinates Distance (km) Basin area (km2)

Map Label

Basin Code

Point Name of River Reach Latitude (N)

Longitude (W)

Flow direction

Along main river

from source

Along tributary

from source

Main River

Tributary

1 09 Source of Sehnkwehn River Butudi Creek 5.881 8.423 ↓ 2 07 Confluence with Bewa Creek Butudi Creek 5.641 8.650 ↓ 56 575 09L20 Outlet of Bewa Creek to Main Stream Bewa Creek 5.641 8.650 ← 69 552 3 09 Confluence with Jobo River Sehnkwehn River 5.480 8.925 ↓ 124 1,820 09R20 Outlet of Jobo River to Main Stream Jobo River 5.480 8.925 → 136 1,558 4 09 Confluence with Shani River Sehnkwehn River 5.502 9.142 ↓ 163 3,824 09R10 Outlet of Shani River to Main Stream Shani River 5.502 9.142 → 69 739 5 09 Confluence with "No Name" River Sehnkwehn River 5.283 9.302 ↓ 218 5,245 09L10 Outlet of "No Name" River to Main Stream “No Name” 5.283 9.302 ← 58 327 6 09 Atlantic Ocean Sehnkwehn River 5.207 9.346 ↓ 230 5,659

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