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Wetland Classification and Mapping of the Kenai Lowland, Alaska
Map Unit Descriptions Ecosystem: Kettle Map Component: K2; K2c
Extent: 178 wetland polygons; 774.4 ha; 0.55% of wetland area; 1.08% of wetland polygons. |
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 A K2 fen in the kettle-kame landscape near Circle Lake, 20 miles northeast of Homer (polygon 10553 ). |
Wetland Indicators Type: Peat Average depth to water table: 9.1 cm; n=39 Organic layer thickness: 136.0 cm; n=41 Average depth to redoximorphic features: 18.0 cm; n=6 Common Soils: STARICHKOF, DOROSHIN, SALAMATOF Common Plant communities: Sphagnum moss / Tall cottongrass Tufted bulrush - Tall cottongrass Sphagnum moss - Creeping sedge
NWI: PEM1Bg HGM: Terrene Basin groundwater-dominated Throughflow (headwater). When adjacent to a central lake: Lentic Fringe Throughflow (headwater). |
| Accuracy assessment: 30 polygons interpreted as K2 on aerial photographs were field checked. 10 remained K2; 4 each were revised to K3 and K23; 2 each were revised to K21 and K32; 1 each was revised to D3, DISTURB, DW1-3, DW3, K4, LB23, LB24 and LB2-4. | |
The K2 map component occurs on a kettle-kame landscape with a water table at or near the surface, and is typically dominated by sedges. K2 components occupy the zone between the open water K1 component and the shrubby K3 component, with a deeper water table. K2 commonly forms complexes with the K3 shrubby component. It is most common on the extensive kettle-kame landscape between Nikiski and Sterling. Kettle-kame country is also found on the Late-Wisconsin dead ice deposits near Caribou Lake, 22 miles northeast of Homer, and along the Old Sterling Highway south of Anchor Point.
In Homer, the name K2c refers to a human-created K2 wetland.
