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CFS digitized polygons representing built land, including residential and commercial land, and filled areas, as observed in the Hexagon Imagery Program 0.3 m 4-band aerial imagery. Developed polygons impact tidal connectivity as they contain dense networks of roads and buildings that would act as obstructions, either partial or significant to hydrological, biological, and physical tidal movement. These polygons are preliminary and may over or under-estimate developed areas in a given delta. These were solely used to isolate the impacts of developed areas on the Tidal Wetland network. |
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CFS digitized polygons representing built land, including residential and commercial land, and filled areas, as observed in the Hexagon Imagery Program 0.3 m 4-band aerial imagery. Developed polygons impact tidal connectivity as they contain dense networks of roads and buildings that would act as obstructions, either partial or significant to hydrological, biological, and physical tidal movement. These polygons are preliminary and may over or under-estimate developed areas in a given delta. These were solely used to isolate the impacts of developed areas on the Tidal Wetland network. |
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These data were digitized by staff at Cramer Fish Sciences as part of an Estuary and Salmon Restoration Program (ESRP) Learning Project to provide updated maps of current and potential tidal wetland habitats that will be used to evaluate estuary restoration effectiveness in a subset of Puget Sound’s large river deltas. These layers were created starting in Fall 2019 and were completed Summer 2021. This project is part of a joint effort, involving National Oceanic and Atmospheric Administration’s (NOAA) Salmon Habitat Status and Trends Monitoring Program (SHSTMP; Beechie et al. 2017; Stefankiv et al. 2019), Puget Sound Partnership’s (PSP) Common Indicators, and Washington Department of Fish and Wildlife’s (WDFW) Fish Passage teams. Any comments on data quality and determinations should be directed to Cramer Fish Sciences Staff: Jason Hall, Jason.Hall@fishsciences.net or Shelby Burgess, Shelby.Burgess@fishsciences.net. |
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The primary goal of this project is to support regional salmon and habitat/ecosystem recovery efforts by developing consistent and updated regional datasets for tidal restrictions, current tidal wetland extent, and potential tidal wetland extent; and to make these datasets readily available online to support tidal restriction removal planning and the restoration and conservation of tidal wetland habitats in Puget Sound’s large river deltas. Regional datasets used to inform the data inventory, contract information, and related documents can be found: https://secure.rco.wa.gov/prism/search/projectsnapshot.aspx?ProjectNumber=18-2250 |
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These data were generated using the available imagery and regional data and may not represent changes that have occurred since the publication date of the image or regional data. Only a subset of feature existence, type, connectivity, and other determinations have not been subject to regional data steward review or field verification. Physical characteristics, including areas and perimeters of tidal restriction and wetland features were generated using GIS analysis and may not be accurate. Users are advised to read the dataset's metadata thoroughly to understand appropriate use and data limitations |
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Puget Sound Tidal Wetlands - Developed Polygons |
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["elevation","environment","utilitiesCommunication","biota","imageryBaseMapsEarthCover","Puget Sound","Washington"] |
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en-US |
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