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USGS Coastal and Marine Geology Program

Field Activity Details for field activity 2014-628-FA

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AKA: none

Other ID: none

Status: Completed

Organization(s): USGS, Pacific Coastal and Marine Science Center

Funding Program(s): Coastal Habitats in Puget Sound (ZP00AZZ)

Principal Investigator(s): Melissa Foley, Jonathan Warrick

Affiliate Investigator(s):

Information Specialist(s): Melissa Foley

Data Type(s): Biological Field Study: Surveys (biological), Environmental Data: CTD, Environmental Data: Dissolved Oxygen, Environmental Data: Nitrate, Environmental Data: pH, Environmental Data: Turbidity, Location-Elevation: Navigation, Sampling: Biology, Sampling: Chemistry, Sampling: Geology

Scientific Purpose/Goals: Monitor the change in the estuary and nearshore following dam removal on the Elwha River

Vehicle(s): None

Start Port/Location: Port Angeles, WA

End Port/Location: Port Angeles, WA

Start Date: 2014-06-08

End Date: 2014-06-14

Equipment Used: water bottle, CTD, watersamples, Sensors - turbidity, GPS, Push corer

Information to be Derived: nutrient concentration, chlorophyll concentration, particulate organic matter concentration, stable isotope value

Summary of Activity and Data Gathered: collected water samples and sediment cores; downloaded CTDs and Hobos

Staff: Melissa Foley

Affiliate Staff:

Notes: Entries for this field activity are based on entries from Field Activity 2014-614-FA


Elwha River, Port Angeles, Washington

North: 48.17341249 South: 48.06230138 West: -123.593 East: -123.48233371


photo of on foot
on foot


Foley, M.M., Duda, J.J., Beirne, M.M., Paradis, R., Ritchie, A., and Warrick, J.A., 2015, Rapid water quality change in the Elwha River estuary complex during dam removal: Limnology and Oceanography, v. 60 no. 5, pp. 1719–1732, doi: 10.1002/lno.10129.

Foley, M.M., Shafroth, P.B., Beirne, M.M., Paradis, R., and Ritchie, A.C., 2017, Ecological parameters in the Elwha River estuary before and during dam removal: U.S. Geological Survey data release.

Foley, M.M., Warrick, J.A., Ritchie, A., Stevens, A.W., Shafroth, P.B., Duda, J.J., Beirne, M.M., Paradis, R., Gelfenbaum, G., McCoy, R., and Cubley, E.S., 2017, Coastal habitat and biological community response to dam removal on the Elwha River: Ecological Monographs, v. 87 no. 4, pp. 552–577, doi: 10.1002/ecm.1268.


Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
water bottle --- Surveys (biological)
CTD --- Surveys (geochemical)
Experiments (geochemical)
watersamples --- Conductivity
Dissolved Oxygen
Sensors - turbidity --- Turbidity
GPS --- Navigation
Push corer --- Surveys (geochemical)
Surveys (biological)

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