https://offnadir-delta.com/_next/static/chunks/3214-814f46a34a37ecdc.js

1"use strict";(self.webpackChunk_N_E=self.webpackChunk_N_E||[]).push([[3214],{1:(e,i,t)=>{t.d(i,{Ih:()=>p,cA:()=>o,eS:()=>l,x$:()=>d});var a=t(3648);function r(){let e=(0,a._)(["vessels?|ships?|tankers?|warships?|frigates?|destroyers?|corvettes?|submarines?|cargo (?:ship|vessel|carrier)s?|(?:bulk|ore|car|cement|LNG|LPG|container) carriers?|bulkers?|freighters?|boxships?|trawlers?|dredgers?|barges?|tugs?|ferr(?:y|ies)|patrol (?:boat|craft)s?"]);return r=function(){return e},e}function s(){let e=(0,a._)(["(?<!stop the )(?<!in the same )(?<!miss the )(?<!missed the )(?<!rock the )(?<!rocking the )(?<!push the )boats?(?! people\b)|dinghies|dinghys?|skiffs?|canoes?|pirogues?"],["(?<!stop the )(?<!in the same )(?<!miss the )(?<!missed the )(?<!rock the )(?<!rocking the )(?<!push the )boats?(?! people\\b)|dinghies|dinghys?|skiffs?|canoes?|pirogues?"]);return s=function(){return e},e}function n(){let e=(0,a._)(["\b(?:","|","|fleets?|flotillas?|dark ?vessels?|AIS\b)"],["\\b(?:","|","|fleets?|flotillas?|dark ?vessels?|AIS\\b)"]);return n=function(){return e},e}let l={"GSD<0.1m":.3,"GSD<0.5m":1.5,"GSD<1m":3,"GSD<10m":30,"GSD<100m":300},o={flood_extent:{label:"Flood extent mapping",validSensors:["sentinel-1-sar","sentinel-2","multi-sensor"],methods:["OPERA DSWx-S1","Sentinel-1 water thresholding","NDWI"],minResolution:"GSD<100m",validTargets:["flood_area","cropland","water_body"],invalidTargets:["vessel","building","airport","port_facility","refinery_energy","industrial_facility","road_bridge","fire_area","burn_area"],prerequisites:["post_event_scene"],limitations:"Maps standing water on LAND. Never applies to vessel damage, structure fires, a struck facility (a desalination plant is facility damage, not a flood), or a struck bridge/road (that is structural damage, not inundation)."},water_change:{label:"Water body change",validSensors:["sentinel-1-sar","sentinel-2"],methods:["NDWI change","DSWx time series"],minResolution:"GSD<100m",validTargets:["water_body","flood_area"],invalidTargets:["vessel","building","fire_area","industrial_facility","road_bridge"],prerequisites:["pre_event_scene","post_event_scene"]},burn_extent:{label:"Burn scar extent/severity",validSensors:["sentinel-2","multi-sensor"],methods:["NBR","dNBR","BAIS2"],minResolution:"GSD<100m",validTargets:["burn_area","fire_area","vegetation","cropland"],invalidTargets:["vessel","building","port_facility","water_body"],prerequisites:["pre_event_scene","post_event_scene"],limitations:"Vegetation burn indices — not valid for a burning ship or an urban structure fire."},active_fire:{label:"Active fire / hotspot detection",validSensors:["viirs-thermal","multi-sensor"],methods:["NASA FIRMS (VIIRS/MODIS)"],minResolution:"GSD<100m",validTargets:["fire_area","refinery_energy","vegetation","volcanic_terrain"],invalidTargets:["flood_area","water_body"],prerequisites:["post_event_scene"],limitations:"375 m thermal — locates heat, cannot resolve what is burning."},thermal_anomaly:{label:"Thermal anomaly monitoring",validSensors:["viirs-thermal"],methods:["VIIRS nighttime/thermal time series"],minResolution:"GSD<100m",validTargets:["refinery_energy","fire_area","military_base","volcanic_terrain"],invalidTargets:["flood_area","water_body"],prerequisites:["pre_event_scene","post_event_scene"]},structural_damage:{label:"Structural damage assessment (facility scale)",validSensors:["vhr-optical","planet","sentinel-1-sar","multi-sensor"],methods:["VHR pre/post comparison","SAR amplitude change (screening only)"],minResolution:"GSD<1m",validTargets:["building","airport","port_facility","military_base","refinery_energy","industrial_facility","road_bridge"],invalidTargets:["flood_area","water_body","vegetation"],prerequisites:["pre_event_scene","post_event_scene"],limitations:"Free 10-20 m SAR only SCREENS large change; building-level BDA needs <1 m VHR."},building_damage:{label:"Building damage (BDA)",validSensors:["vhr-optical","planet"],methods:["VHR pre/post BDA"],minResolution:"GSD<1m",validTargets:["building","military_base","airport"],invalidTargets:["flood_area","vessel","water_body"],prerequisites:["pre_event_scene","post_event_scene"]},crater_detection:{label:"Crater detection",validSensors:["vhr-optical","planet"],methods:["VHR post-strike inspection"],minResolution:"GSD<1m",validTargets:["airport","military_base","road_bridge","building","industrial_facility"],invalidTargets:["water_body","flood_area","vessel"],prerequisites:["post_event_scene"]},vessel_detection:{label:"Vessel detection",validSensors:["sentinel-1-sar","vhr-optical","multi-sensor"],methods:["CFAR ship detection","object detection"],minResolution:"GSD<100m",validTargets:["vessel","port_facility","water_body"],invalidTargets:["building","vegetation","cropland","landslide_terrain"],prerequisites:["post_event_scene"],limitations:"Sentinel-1 confirms PRESENCE of large vessels; type/damage ID needs commercial VHR."},vessel_classification:{label:"Vessel classification / damage ID",validSensors:["vhr-optical"],methods:["VHR visual classification"],minResolution:"GSD<1m",validTargets:["vessel"],invalidTargets:["building","flood_area","vegetation"],prerequisites:["post_event_scene","cloud_free_optical"],limitations:"Commercial VHR tasking — free sensors cannot classify vessel type or damage."},vessel_change:{label:"Vessel presence change",validSensors:["sentinel-1-sar","multi-sensor"],methods:["SAR revisit change detection","AIS correlation"],minResolution:"GSD<100m",validTargets:["vessel","port_facility"],invalidTargets:["building","vegetation"],prerequisites:["pre_event_scene","post_event_scene","ais_feed"]},port_activity:{label:"Port activity / occupancy",validSensors:["sentinel-1-sar","sentinel-2","vhr-optical","multi-sensor"],methods:["berth occupancy count","SAR revisit comparison"],minResolution:"GSD<100m",validTargets:["port_facility","vessel"],invalidTargets:["vegetation","cropland","landslide_terrain"],prerequisites:["pre_event_scene","post_event_scene"]}

1,oil_spill:{label:"Oil spill / slick mapping",validSensors:["sentinel-1-sar"],methods:["SAR amplitude slick damping"],minResolution:"GSD<100m",validTargets:["oil_spill_water","water_body","vessel"],invalidTargets:["building","vegetation","fire_area"],prerequisites:["post_event_scene"],limitations:"Wind and biogenic look-alikes cap confidence; large slicks only at 10-20 m."},landslide_detection:{label:"Landslide / slope failure detection",validSensors:["sentinel-2","vhr-optical","sentinel-1-sar","multi-sensor"],methods:["OPERA DIST-ALERT","pre/post optical comparison"],minResolution:"GSD<10m",validTargets:["landslide_terrain","road_bridge","vegetation"],invalidTargets:["vessel","water_body"],prerequisites:["post_event_scene"]},ground_deformation:{label:"Ground deformation (InSAR)",validSensors:["sentinel-1-sar"],methods:["InSAR interferometry"],minResolution:"GSD<10m",validTargets:["landslide_terrain","building","road_bridge","refinery_energy","industrial_facility","volcanic_terrain"],invalidTargets:["vessel","water_body","fire_area"],prerequisites:["slc_pair","same_relative_orbit","pre_event_scene","post_event_scene"],limitations:"Measures displacement, not damage: a moved-but-intact structure and a destroyed one both decorrelate."},vegetation_damage:{label:"Vegetation damage / disturbance",validSensors:["sentinel-2","multi-sensor"],methods:["NDVI change","OPERA DIST-ALERT"],minResolution:"GSD<100m",validTargets:["vegetation","cropland","burn_area"],invalidTargets:["vessel","building","water_body"],prerequisites:["pre_event_scene","post_event_scene"]},crop_damage:{label:"Crop damage assessment",validSensors:["sentinel-2","planet"],methods:["NDVI anomaly","phenology comparison"],minResolution:"GSD<10m",validTargets:["cropland"],invalidTargets:["vessel","building","water_body","port_facility"],prerequisites:["pre_event_scene","post_event_scene"]}

1,infrastructure_activity:{label:"Infrastructure activity monitoring",validSensors:["vhr-optical","planet","sentinel-2","sentinel-1-sar","multi-sensor"],methods:["revisit comparison","object counting"],minResolution:"GSD<10m",validTargets:["military_base","port_facility","airport","refinery_energy","industrial_facility","building"],invalidTargets:["flood_area","water_body"],prerequisites:["pre_event_scene","post_event_scene"]},road_blockage:{label:"Road / route blockage",validSensors:["vhr-optical","planet","sentinel-2"],methods:["VHR route inspection"],minResolution:"GSD<10m",validTargets:["road_bridge","landslide_terrain"],invalidTargets:["vessel","water_body"],prerequisites:["post_event_scene"]},debris_detection:{label:"Debris / rubble detection",validSensors:["vhr-optical","planet"],methods:["VHR post-event inspection"],minResolution:"GSD<1m",validTargets:["building","road_bridge","landslide_terrain","water_body"],invalidTargets:["fire_area"],prerequisites:["post_event_scene"]},snow_ice_change:{label:"Snow / ice change",validSensors:["sentinel-2","sentinel-1-sar","multi-sensor"],methods:["NDSI change","SAR backscatter change"],minResolution:"GSD<100m",validTargets:["snow_ice","water_body"],invalidTargets:["vessel","building","fire_area"],prerequisites:["pre_event_scene","post_event_scene"]}},d={"flood-mapping":["flood_extent","water_change"],"thermal-anomaly":["active_fire","thermal_anomaly"],"battle-damage-assessment":["structural_damage","building_damage","crater_detection"],"damage-assessment":["structural_damage","building_damage","vessel_classification"],"change-detection":["vessel_change","water_change","vegetation_damage","infrastructure_activity","snow_ice_change","burn_extent","ground_deformation","crop_damage"],"activity-monitoring":["port_activity","infrastructure_activity"],"pattern-of-life":["infrastructure_activity","port_activity"],detection:["vessel_detection","active_fire","landslide_detection","debris_detection","road_blockage","oil_spill"],classification:["vessel_classification"],identification:["vessel_classification","building_damage"],description:[],none:[]},c=String.raw(r()),u=String.raw(s()),m=[{kind:"oil_spill_water",match:/\b(oil ?slick\w*|oil ?spill\w*|sheen\b|effluent plume\w*)/i},{kind:"vessel",match:RegExp(String.raw(n(),c,u),"i")},{kind:"airport",match:/\b(airports?|air ?(fields?|strips?|bases?)|air force bases?|(naval )?air stations?|runways?|taxiways?|aprons?|hangars?)/i},{kind:"port_facility",match:/\b(ports?\b|harbou?rs?|berths?|quays?|jett(y|ies)|piers?|docks?|dockyards?|shipyards?|naval base\w*)/i},{kind:"refinery_energy",match:/\b(refiner(y|ies)|(?:oil|fuel|petroleum|petrol|diesel|gas|LNG|LPG|tank) (?:depot|terminal|storage|farm)s?|tank farms?|LNG\b|pipelines?|power (plant|station)s?|substations?|petrochemical\w*)/i},{kind:"industrial_facility",match:/\b(desalinat\w*|water[- ]?treatment\w*|water ?works?|sewage\w*|wastewater\w*|pump(ing)? 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