{"id":"handoff-haze-to-marine-2026-09","from_sentinel":"haze","to_sentinel":"marine","relationship_id":"rel-io-transfers-marine","relationship_type":"transfers_to","io_id":"io-hs-2026-09-southern-asean-haze","io_slug":"hs-2026-09-southern-asean-haze","io_url":"https://hazesentinel.net/intelligence/hs-2026-09-southern-asean-haze/","title":"Coastal / marine deposition watch — Southern ASEAN haze","status":"watch","issued_at":"2026-09-15T14:31:26.411Z","last_updated_at":"2026-09-15T14:31:26.411Z","geography":{"label":"Southern ASEAN — Singapore, Peninsular Malaysia, Sumatra, western Kalimantan","bbox":[95,-6,120,8],"aoi":"southern-asean-haze"},"receptors":[{"id":"port-singapore","label":"Port of Singapore","kind":"MARITIME OPERATING ENVIRONMENT"},{"id":"shipping","label":"Shipping lanes (Straits)","kind":"MARITIME OPERATING ENVIRONMENT"},{"id":"ferry","label":"Ferry routes","kind":"MARITIME OPERATING ENVIRONMENT"},{"id":"tourism","label":"Coastal tourism / recreation","kind":"TOURISM / RECREATION CONTEXT"},{"id":"nikoi-cempedak","label":"Nikoi / Cempedak context","kind":"TOURISM / RECREATION CONTEXT"},{"id":"east-bintan-mpa","label":"East Bintan marine protected area","kind":"COASTAL ECOSYSTEMS"},{"id":"coastal-communities","label":"Coastal communities","kind":"AIR-QUALITY EXPOSURE"},{"id":"aquaculture","label":"Aquaculture","kind":"AIR-QUALITY EXPOSURE"}],"current_state":"25831 FIRMS thermal anomalies in the Southern ASEAN AOI (24 h NRT). NEA 1-hour PM2.5: central 44; east 25; south 23; north 30; west 4 µg/m³. 24-hour PSI: central 119; east 98; south 83; north 88; west 105. Singapore 10 m wind from 127°. Coastal modelled PM2.5: Singapore 23.9; Johor Bahru 27.1; Batam 23.9 µg/m³. No current precipitation reported at stations (Open-Meteo). Deposition flux is not asserted.","why_now":"25831 FIRMS thermal anomalies in the Southern ASEAN AOI (24 h NRT). Singapore 10 m wind from 127°. Coastal modelled PM2.5: Singapore 23.9; Johor Bahru 27.1; Batam 23.9 µg/m³. Watch conditions met. This transfers a coastal deposition watch to Marine Sentinel — not a flux estimate.","watch_conditions":["FIRMS 24 h thermal-anomaly count in AOI ≥ 200","AND (10 m wind at Singapore or Batam from 160–280° OR modelled PM2.5 ≥ 35.5 µg/m³ at a coastal receptor)"],"limitations":["This is a transfer of a watch, not an observed deposition flux.","No catchment overlay, burn-scar intersection, or wet-deposition model is connected.","10 m wind is not a trajectory model. Modelled PM is not official PSI."],"epistemic_status":"derived","deposition_claim":"not_asserted","confidence":{"score":0.65,"label":"moderate","summary":"Confidence reflects source authority, recency and agreement — not event severity.","dimensions":{"source_authority":0.86,"source_agreement":0.55,"data_recency":0.75,"spatial_resolution":0.55,"temporal_resolution":0.6,"model_agreement":0.35,"methodological_quality":0.62,"historical_analogue_strength":0.15,"unresolved_contradiction":0.1},"reasons":["FIRMS NRT reachable this run","Open-Meteo reachable this run","NEA 1-hour PM2.5 and 24-hour PSI reachable this run","ASMC not ingested. Malaysian and Indonesian official AQ not ingested.","No trajectory model; 10 m wind is a plausibility check only"]},"evidence":{"hotspot_count_24h":25831,"coastal_pm25":[{"id":"sg-singapore","name":"Singapore","pm25":23.9},{"id":"my-johor","name":"Johor Bahru","pm25":27.1},{"id":"id-batam","name":"Batam","pm25":23.9}],"wind_toward_corridor":false,"singapore_wind_deg":127,"rainfall_mm":[],"evidence_ids":["obs-hotspot-count-3632c547-5f02-43fc-a4a0-91bd731a65fe","obs-pm25-sg-singapore-3632c547-5f02-43fc-a4a0-91bd731a65fe","obs-wind-sg-singapore-3632c547-5f02-43fc-a4a0-91bd731a65fe","obs-pm25-my-johor-3632c547-5f02-43fc-a4a0-91bd731a65fe","obs-wind-my-johor-3632c547-5f02-43fc-a4a0-91bd731a65fe","obs-pm25-id-batam-3632c547-5f02-43fc-a4a0-91bd731a65fe","obs-wind-id-batam-3632c547-5f02-43fc-a4a0-91bd731a65fe","obs-nea-pm25-1h-central-3632c547-5f02-43fc-a4a0-91bd731a65fe","obs-nea-psi-24h-central-3632c547-5f02-43fc-a4a0-91bd731a65fe","obs-nea-pm25-1h-east-3632c547-5f02-43fc-a4a0-91bd731a65fe","obs-nea-psi-24h-east-3632c547-5f02-43fc-a4a0-91bd731a65fe","obs-nea-pm25-1h-south-3632c547-5f02-43fc-a4a0-91bd731a65fe","obs-nea-psi-24h-south-3632c547-5f02-43fc-a4a0-91bd731a65fe","obs-nea-pm25-1h-north-3632c547-5f02-43fc-a4a0-91bd731a65fe","obs-nea-psi-24h-north-3632c547-5f02-43fc-a4a0-91bd731a65fe","obs-nea-pm25-1h-west-3632c547-5f02-43fc-a4a0-91bd731a65fe","obs-nea-psi-24h-west-3632c547-5f02-43fc-a4a0-91bd731a65fe"],"source_ids":["src-firms-viirs","src-openmeteo-weather","src-openmeteo-aq","src-nea-psi"]},"suggested_marine_question":"Would a subsequent rainfall event intersecting burned area and a sensitive catchment produce a material pulse into the Singapore Strait, Malacca Strait or South China Sea approaches?","investigation_id":"inv-2026-09-deposition-marine"}