{
  "project": "biofouling",
  "subject": "Marine biofouling community on coastal infrastructure",
  "region_class": "us-pacific",
  "scanned_by": "hand-seeded from projects/biofouling/DESIGN.md (Argus scan NOT yet run)",
  "generated": "2026-07-22",
  "evidence_ledger": "projects/biofouling.evidence.md (not yet written; Appendix A of DESIGN.md is the claim list)",

  "_note": "Seeded by hand at design stage so downstream apps have something to read. Every provenance below is copied from projects/biofouling.json, never authored here. Phase 0 replaces this with a real Argus pass. Region class is us-pacific, so the catalog scoped for drayton-harbor is directly reusable: that reuse is a stated reason for the site choice.",

  "sources": [
    { "id": "openmeteo", "name": "Open-Meteo", "owner": "Open-Meteo", "access": "open", "maps_to": "weather", "provenance": "open", "status": "wired" },
    { "id": "ncei_bathy", "name": "NOAA NCEI Bathymetry / DEMs", "owner": "NOAA NCEI (US)", "access": "open", "maps_to": "bathymetry", "provenance": "none", "status": "source-identified" },
    { "id": "coops_tide", "name": "NOAA CO-OPS tides & currents (9449211 Bellingham, 9449424 Cherry Point)", "owner": "NOAA CO-OPS (US)", "access": "open", "maps_to": "tides", "provenance": "none", "status": "source-identified",
      "note": "TODO (unresolved 2026-07-31): the second station disagrees across the project. This file and projects/biofouling.json say 9449424 Cherry Point; the Lorica map says 9449679 Blaine. Nothing fetches either ID, so no authoritative use decides it and both values are left as they stand. Check at NOAA CO-OPS and make the three surfaces agree. Ledger row G6." },
    { "id": "liveocean", "name": "LiveOcean (Salish Sea ROMS)", "owner": "Univ. of Washington / NANOOS", "access": "open", "maps_to": "ocean_physics", "provenance": "none", "status": "source-identified" },
    { "id": "sentinel3", "name": "ESA Sentinel-3 OLCI", "owner": "ESA / Copernicus", "access": "auth", "maps_to": "light_turbidity", "provenance": "none", "status": "source-identified" },
    { "id": "modis_aqua", "name": "NASA MODIS-Aqua ocean colour", "owner": "NASA OBPG (US)", "access": "open", "maps_to": "light_turbidity", "provenance": "none", "status": "source-identified" },
    { "id": "nanoos", "name": "NANOOS regional observing network", "owner": "NANOOS / IOOS (US)", "access": "open", "maps_to": "reference", "provenance": "none", "status": "source-identified" },
    { "id": "musselwatch", "name": "NOAA Mussel Watch contaminant baseline", "owner": "NOAA NCCOS (US)", "access": "open", "maps_to": "reference", "provenance": "none", "status": "source-identified",
      "note": "The ~50-year national baseline the hard-accumulator arm is scored against. Comparison is rank-order only, never absolute value across accumulator classes." },
    { "id": "ecology_sediment", "name": "WA Dept of Ecology marine sediment monitoring", "owner": "WA Dept of Ecology (US)", "access": "open", "maps_to": "context", "provenance": "none", "status": "source-identified",
      "note": "Legacy copper and booster-biocide burden in marina sediment, the confounder the contaminant surface has to be read against." },
    { "id": "port_assets", "name": "Port / asset owner pile inventory", "owner": "Port authority (not yet approached)", "access": "auth", "maps_to": "asset_registry", "provenance": "none", "status": "source-identified",
      "note": "AVAILABILITY UNCONFIRMED. Single most likely point of failure for the project (DESIGN.md section 11)." },
    { "id": "wdfw_ans", "name": "WDFW aquatic invasive species records", "owner": "WA Dept of Fish & Wildlife (US)", "access": "open", "maps_to": "context", "provenance": "none", "status": "source-identified" }
  ],

  "stakeholders": [
    { "name": "Port authority / asset owner (TBC)", "role": "client" },
    { "name": "Tidal Vision", "role": "partner", "note": "Chitosan supply and formulation. Principal has a declared insider relationship; see _conflict_note in projects/biofouling.json." },
    { "name": "Tidal Clear Water Science", "role": "partner" },
    { "name": "WA Dept of Ecology", "role": "stakeholder" },
    { "name": "WA Dept of Fish & Wildlife", "role": "stakeholder" },
    { "name": "Recreational and commercial vessel operators", "role": "stakeholder" }
  ],

  "threats": [
    { "id": "hard_fouling_load", "name": "Hard fouling structural and hydrodynamic loading", "note": "Added mass, diameter and roughness change loading and fatigue life. Design codes carry generic marine-growth allowances rather than site measurements." },
    { "id": "inspection_cost", "name": "Fouling-driven inspection and cleaning cost", "note": "Growth obscures the substrate, so inspection needs cleaning first. Vessel and diver time dominates the cost model; deferral is the highest-value decision the map serves." },
    { "id": "mic_corrosion", "name": "Microbially influenced corrosion", "note": "Differential aeration and anaerobic pockets under fouling raise corrosion rate; hard-fouling removal damages the coating that was mitigating it." },
    { "id": "flow_occlusion", "name": "Intake and net occlusion", "note": "Seawater intakes, heat exchangers, screens and aquaculture nets lose capacity and water exchange as fouling narrows the aperture." },
    { "id": "nis_vector", "name": "Non-indigenous species introduction and spread", "note": "Fouled surfaces are the primary vector; ports are the introduction hotspots and therefore the standard monitoring sites." },
    { "id": "antifoul_leachate", "name": "Antifouling biocide leachate", "note": "The incumbent cure is a controlled metal release. TBT banned 2008; copper plus organic booster biocides replaced it and accumulate in marina sediment. WA legislated a copper phase-out three times (2018, 2021, 2026) and postponed it each time, most recently after Ecology's third report, on the grounds that non-copper alternatives may be worse; next report due 2029-06-30. Irgarol IS banned in WA since 2023-01-01. The unresolved copper question is the project's regulatory opening, not an obstacle." },
    { "id": "paint_particles", "name": "Legacy antifouling paint particles", "note": "Hull maintenance and abandoned vessels leave high-copper paint particles in sediment at concentrations shown to affect benthic invertebrates." }
  ],

  "claims": [
    { "id": "B1", "topic": "chitosan-coating", "statement": "Chitosan coating on plastic reduced Bugula neritina settlement 88% vs control after 3 h, no larval mortality.", "verdict": "unverifiable", "value": "pending primary-source read", "feeds": ["design-doc"], "source": "J. Agric. Marine Sci. (secondary summary)", "url": "https://journals.squ.edu.om/index.php/jams/article/view/2482", "last_checked": "2026-07-22" },
    { "id": "B2", "topic": "chitosan-coating", "statement": "PDMS + 4 wt% chitosan gave 0.04 MPa pseudo-barnacle adhesion and 9.8% fouling after 30 d immersion.", "verdict": "unverifiable", "value": "pending primary-source read", "feeds": ["design-doc"], "source": "Int. J. Biol. Macromol. (secondary summary)", "url": "https://pubmed.ncbi.nlm.nih.gov/37356687/", "last_checked": "2026-07-22" },
    { "id": "B3", "topic": "economics", "statement": "Autonomous monopile fouling management could save over GBP 15,000 per MW per year, ~50%.", "verdict": "partly-true", "value": "This is a stated project TARGET, not a measured outcome. Cite as a target or drop.", "feeds": ["design-doc", "deck"], "source": "JMSE biofouling review (secondary summary)", "url": "https://doi.org/10.3390/jmse13071363", "last_checked": "2026-07-22" },
    { "id": "B4", "topic": "biomonitoring", "statement": "Mussel Watch: ~300 sites, ~140 contaminants; US EPA 1976-78, NOAA from 1986.", "verdict": "unverifiable", "value": "pending count verification at NOAA source", "feeds": ["design-doc"], "source": "Goldberg 1975; NOAA NCCOS", "url": "https://www.sciencedirect.com/topics/earth-and-planetary-sciences/mussel-watch-program", "last_checked": "2026-07-22" },
    { "id": "B7", "topic": "biomonitoring", "statement": "Absolute accumulated metal concentrations are not comparable between biomonitor species; only rank orders and relative bioavailability are.", "verdict": "unverifiable", "value": "LOAD-BEARING: this claim is what the accumulator_class schema guard enforces. Verify at primary source before building.", "feeds": ["design-doc", "schema", "proteus"], "source": "Mytilus bioindicator review", "url": "https://www.sciencedirect.com/science/article/abs/pii/S0141113617302660", "last_checked": "2026-07-22" },
    { "id": "B8", "topic": "chitosan-dgt", "statement": "No published use of chitosan hydrogel as a DGT binding phase for seawater trace metals.", "verdict": "unverifiable", "value": "Absence of evidence from one search pass only. A proper literature search is a phase 0 task and gates the test arm.", "feeds": ["design-doc"], "source": "search null result", "url": "https://www.degruyterbrill.com/document/doi/10.1515/revac-2023-0065/html", "last_checked": "2026-07-22" },
    { "id": "B9", "topic": "partner", "statement": "Tidal Vision is the only 100% domestic manufacturer of chitin and chitosan in the USA.", "verdict": "unverifiable", "value": "Company claim. Do not repeat in outward material without independent confirmation, particularly given the declared conflict.", "feeds": ["design-doc"], "source": "Tidal Vision / press coverage", "url": "https://www.forbes.com/sites/jeffkart/2022/02/28/tidal-vision-says-its-crab-shell-derived-solution-is-a-cleaner-way-to-treat-wastewater/", "last_checked": "2026-07-22" }
  ],

  "reactive_note": "Design stage. Nothing is wired. This file fills in as effort is spent: an Argus pass replaces the hand-seeded sources, Halcyon ingest advances weather/tides/ocean_physics/light_turbidity to open, and the seven local-target inputs (asset_registry, settlement_panels, community_composition, accumulator_hard, accumulator_soft, passive_sampler, in_situ) only advance when field work happens. The claims block stays at `unverifiable` until the evidence ledger is written."
}