Saltwater Encroachment

Displacement of fresh water or groundwater by the advance of salt water due to its greater density, usually in coastal and estuarine areas but also by movement of brine from beneath a playa lake toward wells discharging fresh water. Encroachment occurs when the total head of the salt water exceeds that of adjacent fresh water. Syn: sea-water intrusion, salt-water intrusion, sea-water encroachment.Neuendorf, K.K.E., Mehl, J.P., Jr., and Jackson, J.A., ed., 2005, Glossary of Geology: American Geological Institute, 799 p.

Below is a list of publications related to Saltwater Encroachment. Select a publication number to access more detailed information and their respective files available for download.

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HA 259 Report Map
Barnwell, W.W., and Boning, C.W., 1968, Water resources and surficial geology of the Mendenhall Valley, Alaska: U.S. Geological Survey Hydrologic Investigations Atlas 259, 6 p., 1 sheet, scale 1:31,680.
OF 157 Report
Waller, R.M., 1957, A ground water supply at Kake, Alaska: U.S. Geological Survey Open File Report: Technical Data Unit classification number 157, 4 p.
OF 57-115 Report
Waller, R.M., 1957, A ground water supply at Kake, Alaska: U.S. Geological Survey Open-File Report 57-115, 6 p.
PDF 85-14 Report Map
Motyka, R.J., 1985, Preliminary results of water quality investigations at Mendenhall Peninsula and Auke Bay area, Juneau, Alaska: Alaska Division of Geological & Geophysical Surveys Public Data File 85-14, 30 p., 1 sheet, scale 1:6,000.
PDF 93-50A Report Map
Petrik, W.A., 1993, Aquifers and hydrology at Anchor Point, Alaska: Alaska Division of Geological & Geophysical Surveys Public Data File 93-50A, 24 p., 1 sheet, scale 1:25,000.
PDF 94-27 Report
Munter, J.A., and Allely, R.D., 1994, Analysis of an aquifer test at St. Paul Island, Pribilof Islands, Alaska: Alaska Division of Geological & Geophysical Surveys Public Data File 94-27, 32 p.
PDF 94-28 Report
Munter, J.A., 1994, Evaluation of ground water at a proposed wastewater disposal site, Gambell, Alaska: Alaska Division of Geological & Geophysical Surveys Public Data File 94-28, 76 p.
PDF 94-52 Report
Inghram, M.G., Eggener, Chuck, and Munter, J.A., 1994, Presentation of data from the Gambell Alaska well project: Alaska Division of Geological & Geophysical Surveys Public Data File 94-52, 85 p.
PDF 95-27 Report
Noll, R.S., 1995, Hydrologic investigation of Duck Creek at the Juneau International Airport, Juneau, AK: Alaska Division of Geological & Geophysical Surveys Public Data File 95-27, 68 p.
RI 88-6 Report Map
Motyka, R.J., 1988, Preliminary results of water-quality investigations in the Mendenhall Peninsula and Auke Bay area, Juneau, Alaska: Alaska Division of Geological & Geophysical Surveys Report of Investigation 88-6, 20 p., 1 sheet, scale 1:6,000.