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STILLWATERS ENVIRONMENTAL CENTER
  • About
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      • Sediment Composition
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Beach Profiling

Beach Profiling is a simple surveying technique we use to understand how the beaches in Appletree Cove have changed since the Stillwaters Fish Passage was built in 2012. ​Changes in cove beaches and the channel Carpenter Creek drains into have been found since the culvert removals. The main channel has moved from just off Arness Beach north and now running along the beach on the north side of the cove, before turning to the center of the cove. A new sand spit has extended from the north end of Arness Beach. 
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​The photos above show in part the process for collecting data during Beach Profiling. Pictured are volunteer Betsy Cooper and Program Director Melissa Fleming. Photos Courtesy of Ann Rivers.

Understanding Shoreline Processes

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Winter storms and shoreline processes in Appletree Cove left their mark on the cove this past winter. The first on November 13th moved the massive stump that had been resting upside down at the north end of the cove since the winter of 2017/2018. The second storm, two months later, eroded lawn at Arness Park prompting caution tape seaward of the giant Adirondack chairs.

During winter storms, low atmospheric pressure and strong winds in Puget Sound often raise water levels 1-2 feet above predicted tide levels. When, by chance, the highest predicted tides coincide with significant storms, we notice. In Seattle, where NOAA monitors water levels continuously, water levels during those two recent winter storms reached 13.79 and 14.24 feet, almost 2.5 and 3 feet higher than mean higher high water, respectively. The last time water was that high was March 2016.

Stillwaters volunteers monitor water quality monthly at Arness Park and people sometimes ask us whether some sort of bulkhead is needed to protect the beach there. Such ‘hard armoring’ of beach-front property became the norm around Puget Sound in the 1950s and 1960s, including in places where it wasn’t necessary. Even when armoring protects property behind it, the effects on beaches in front of it are almost always negative. Waves reflecting off armoring scour sand away from bulkheads leaving behind gravel and rock. Shorelines experiencing moderate erosion are usually better off left alone so eroded sediments contribute to a sloping beach that better tolerates wave action.  

Natural beaches are formed and maintained by erosion processes, often happening far away. South Kingston Road is built on a barrier beach that originated from shoreline erosion further south. A segment of shoreline that comprises a sediment source (like an eroding bluff) and a deposition site (like a beach or spit) is called a drift cell. The drift cell ending at Arness Park starts at Point Jefferson: eroding sediment in between is transported north by wave action. Shoreline armoring along the way can deprive beaches in the drift cell of sediment.

Shoreline erosion ultimately benefits beaches, but shoreline property owners sometimes worry they have “too much of a good thing” going on. Fortunately, there are solutions other than hard armor for maintaining beaches and the shoreline processes that provide sediment. At Arness Park, “soft armoring” using dune grasses helps stabilize the beach near the parking lot and could help near the lawn. 

Resources on Shoreline Processes

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Shore Friendly Kitsap's Website


shorefriendlykitsap.com

Shore Friendly Kitsap is a Puget Sound wide program sponsored by Washington Department of Natural Resources, Washington Department of Fish and Wildlife’s Estuary & Salmon Restoration Program, and county governments. Shore Friendly Kitsap provides FREE site evaluations for Kitsap homeowners if you have any questions or concerns about your waterfront property. They also have an excellent Resources page that includes a recent video of Jim Johannessen from Coastal Geologic Services showing numerous before and after examples of solutions for shoreline homeowners (“Shoreline Restoration and Projects – February 2021”).
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NOAA'S
​
Tides & Currents Website
​
tidesandcurrents.noaa.gov/products.html

​This NOAA site not only provides predictions of upcoming tide levels, but also historic predictions for “Kingston, Apple Tree Cove, WA” and actual water levels observed for specific stations such as Port Townsend and Seattle. The latter allows you to explore when past weather conditions acted to increase or depress actual tide levels.
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Washington State
Coastal Atlas interactive map

CLICK HERE​

“Make a coastal map” is a fascinating resource that allows you to zoom in on a coastal area in Washington state and map dozens of shoreline features from public beaches and boat launches to drift cells, feeder bluffs and historic shorelines.  Additional tabs allow the mapping of ocean resources, land cover, and administrative categories.
​https://apps.ecology.wa.gov/coastalatlas/tools/Map.aspx
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STILLWATERS ENVIRONMENTAL CENTER
2​6043 NE Barber Cut Off Rd
Kingston, WA 98346
360-297-1226

​info@stillwatersenvironmentalcenter.org

Stillwaters is a non-profit 501c3 organization and all donations are tax-deductible.
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  • About
    • About Stillwaters
    • Staff
    • Board of Directors
    • Where We Work
    • Contact Us
  • Restoration
    • Stillwaters Fish Passage
    • West Kingston Bridge Project
    • Conservation Easement
  • Research
    • Sediment >
      • Beach Profiling
      • Sediment Composition
    • Vegetation >
      • Vegetation Survey >
        • Plant Identification Guide
        • Field Guide for Kingston Salt Marsh Plant Surveys
      • Sitka Spruce
      • Pore Water Sampling
    • Water Quality >
      • Stream Monitoring
    • Wildlife >
      • Bird Monitoring
      • Green Frogs
      • Amphibian Monitoring
      • Green Crab Monitoring
      • Beavers & People
  • Education
    • College Internships
    • High School Field Trips
    • Discovery Packs
    • Salt Marsh Tours
    • Science Fridays
    • Nature Facts
  • Volunteer
    • Volunteer Opportunities >
      • Monitoring & Restoration Opportunities
    • Volunteer Registration Form
    • Volunteer Hour Log
    • Volunteer Voices
  • Support
    • Book Store
    • Apparel