GFW (Global Fishing Watch) Daily Vessel Hours

GFW/GFF/V1/vessel_hours
Dataset Availability
2012-01-01T00:00:00 - 2017-01-01T00:00:00
Dataset Provider
Earth Engine Snippet
ee.ImageCollection("GFW/GFF/V1/vessel_hours")
Tags
fishing marine ocean monthly gfw

Description

Fishing vessel presence, measured in hours per square km. Each asset is the vessel presence for a given flag state and day, with one band for the presence of each gear type.

See sample Earth Engine scripts. Also see the main GFW site for program information, fully interactive visualization maps, and impacts.

Bands

Resolution
0.01 arc degrees

Bands

Name Units Description
drifting_longlines hours/sq. km

Hours per sq. km of fishing vessel presence with drifting longlines.

fixed_gear hours/sq. km

Hours per sq. km of fishing vessel presence with fixed gear.

other_fishing hours/sq. km

Hours per sq. km of fishing vessel presence with other gear types.

purse_seines hours/sq. km

Hours per sq. km of fishing vessel presence with purse seines.

squid_jigger hours/sq. km

Hours per sq. km of fishing vessel presence with squid jiggers.

trawlers hours/sq. km

Hours per sq. km of fishing vessel presence with trawlers.

Image Properties

Image Properties

Name Type Description
country STRING

ISO3 country code of the vessel flag state. For all countries, use “WLD”.

Terms of Use

Terms of Use

This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International license. (CC-BY-SA)

Citations

Citations:
  • Global Fishing Watch, “Tracking the Global Footprint of Fisheries.” Science 361.6378 (2018).

Explore in Earth Engine

var dataset = ee.ImageCollection('GFW/GFF/V1/vessel_hours')
                  .filter(ee.Filter.date('2016-12-01', '2017-01-01'));
var trawlers = dataset.select('trawlers');
var trawlersVis = {
  min: 0.0,
  max: 5.0,
};
Map.setCenter(130.61, 34.287, 8);
Map.addLayer(trawlers.max(), trawlersVis, 'Trawlers');

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