GFW (Global Fishing Watch) Daily Vessel Hours

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

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

Pixel Size
1113.2 meters

Bands

Name Units Description
drifting_longlines h/km^2

Hours per sq. km of fishing vessel presence with drifting longlines.
fixed_gear h/km^2

Hours per sq. km of fishing vessel presence with fixed gear.
other_fishing h/km^2

Hours per sq. km of fishing vessel presence with other gear types.
purse_seines h/km^2

Hours per sq. km of fishing vessel presence with purse seines.
squid_jigger h/km^2

Hours per sq. km of fishing vessel presence with squid jiggers.
trawlers h/km^2

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 with Earth Engine

Code Editor (JavaScript)

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');
Open in Code Editor
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, …
GFW/GFF/V1/vessel_hours, fishing,gfw,marine,monthly,ocean
2012-01-01T00:00:00Z/2017-01-01T00:00:00Z
-90 -180 90 180
Google Earth Engine