Preliminary Observations from October 28, 2013 Site Visit Melissa Hill, Ph.D., P.G. & David W. Schade, MPA Alaska Department of Natural Resources Division.

Preliminary Observations from October 28, 2013 Site Visit

Melissa Hill, Ph.D., P.G. & David W. Schade, MPA

Alaska Department of Natural ResourcesDivision of Mining, Land and Water

Water Resources Section

Alaska Hydrologic Survey

November 5, 2013

Reconnaissance of Area

N

http://mapserver.borough.kenai.ak.us/kpbmapviewer/

Observations

Construction of small canals/ditches can also alter surface drainage (example: backfilled small canal in the vicinity of Tiller between Pasture and Farmstead Streets)

Observations Continued

Relatively less tannic near Pipeline Street

Tannic water (humic acid) in contact with decaying leaves end of Karluk Avenue

Observations Continued

The area has been dissected into smaller sub-basins and vegetation has been removed

Pre-Development vs. Post-Development

1951 aerial 2006 aerial

N

Glass, R.L., 1996, Ground-Water Conditions and Quality in the Western Part of Kenai Peninsula, Southcentral Alaska, U.S. Geological Survey Open-File Report 96-466.

Anderson, G.S. and Jones, S.H., 1971, Hydrologic Data of the Kenai-Soldotna Area, Alaska, Water Resources Division prepared in cooperation with the Kenai Peninsula Borough.

Things to keep in mind as solutions are proposed . . .

Previous Studies

Preliminary data search indicates limited hydraulic characterization for the area

Inlet

Saline

Freshwater

Saltwater Wedge for a Simple Unconfined Aquifer Steady-State Flow

Springs/muskegs

Peat discontinuous

(Modified from Freeze and Cherry, 1979)

Inlet

Saltwater Wedge for a Simple Confined Aquifer Steady-State Flow

Artesian wells

Peat continuous

Freshwater

(Modified from Freeze and Cherry, 1979)

Questions?

Alaska Department of Natural Resources

Division of Mining, Land and Water

Water Resources Section

Alaska Hydrologic Survey

Contact information

David W. Schade phone: (907) 269-8645 email: [email protected]

Melissa Hill phone: (907) 269-8646 email: [email protected]