Page Summary
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This dataset from Global Fishing Watch provides fishing vessel presence data measured in hours per square km.
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Data is available daily from 2012 to 2017 and includes presence for different gear types.
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The dataset is licensed under a Creative Commons Attribution-ShareAlike 4.0 International license.
- Dataset Availability
- 2012-01-01T00:00:00Z–2017-01-01T00:00:00Z
- Dataset Producer
- Global Fishing Watch
- Cadence
- 1 Day
- Tags
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
Bands
Pixel size: 1113.2 meters (all bands)
| Name | Units | Pixel Size | Description |
|---|---|---|---|
drifting_longlines
|
h/km^2 | 1113.2 meters | Hours per sq. km of fishing vessel presence with drifting longlines. |
fixed_gear
|
h/km^2 | 1113.2 meters | Hours per sq. km of fishing vessel presence with fixed gear. |
other_fishing
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h/km^2 | 1113.2 meters | Hours per sq. km of fishing vessel presence with other gear types. |
purse_seines
|
h/km^2 | 1113.2 meters | Hours per sq. km of fishing vessel presence with purse seines. |
squid_jigger
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h/km^2 | 1113.2 meters | Hours per sq. km of fishing vessel presence with squid jiggers. |
trawlers
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h/km^2 | 1113.2 meters | 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
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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' );
