JRC Global Surface Water Metadata, v1.2 [deprecated]

Caution: This dataset has been superseded by JRC/GSW1_4/Metadata.

Dataset Availability

1984-03-16T00:00:00Z–2020-01-01T00:00:00Z

Dataset Provider

EC JRC / Google

Earth Engine Snippet

ee.Image("JRC/GSW1_2/Metadata")

Tags

geophysical

google

jrc

landsat-derived

surface

surface-ground-water

water

Description

This dataset contains maps of the location and temporal distribution of surface water from 1984 to 2019 and provides statistics on the extent and change of those water surfaces. For more information see the associated journal article: High-resolution mapping of global surface water and its long-term changes (Nature, 2016) and the online Data Users Guide.

These data were generated using 4,185,439 scenes from Landsat 5, 7, and 8 acquired between 16 March 1984 and 31 December 2019. Each pixel was individually classified into water / non-water using an expert system and the results were collated into a monthly history for the entire time period and two epochs (1984-1999, 2000-2019) for change detection.

This product contains metadata about the observations that went into computing The Global Surface Water dataset. Areas where water has never been detected are masked.

Bands

Pixel Size
30 meters

Bands

Name	Min	Max	Pixel Size	Description
detections	0*	2007*	meters	The number of water detections in the study period.
valid_obs	0*	2076*	meters	The number of valid observations in the study period.
total_obs	0*	2417*	meters	The total number of available observations (i.e. scenes) in the study period.

* estimated min or max value

Terms of Use

Terms of Use

All data here is produced under the Copernicus Programme and is provided free of charge, without restriction of use. For the full license information see the Copernicus Regulation.

Publications, models, and data products that make use of these datasets must include proper acknowledgement, including citing datasets and the journal article as in the following citation.

If you are using the data as a layer in a published map, please include the following attribution text: 'Source: EC JRC/Google'

Citations

Citations:

• Jean-Francois Pekel, Andrew Cottam, Noel Gorelick, Alan S. Belward, High-resolution mapping of global surface water and its long-term changes. Nature 540, 418-422 (2016). (doi:10.1038/nature20584)

Explore with Earth Engine

Important: Earth Engine is a platform for petabyte-scale scientific analysis and visualization of geospatial datasets, both for public benefit and for business and government users. Earth Engine is free to use for research, education, and nonprofit use. To get started, please register for Earth Engine access.

Code Editor (JavaScript)

var dataset = ee.Image('JRC/GSW1_2/Metadata');

var visualization = {
  bands: ['detections', 'valid_obs', 'total_obs'],
  min: 100.0,
  max: 900.0,
};

Map.setCenter(71.72, 52.48, 0);

Map.addLayer(dataset, visualization, 'Detections/Observations');

Open in Code Editor

JRC Global Surface Water Metadata, v1.2 [deprecated]

This dataset contains maps of the location and temporal distribution of surface water from 1984 to 2019 and provides statistics on the extent and change of those water surfaces. For more information see the associated journal article: High-resolution mapping of global surface water and its long-term changes (Nature, 2016) and …

JRC/GSW1_2/Metadata, geophysical,google,jrc,landsat-derived,surface,surface-ground-water,water

1984-03-16T00:00:00Z/2020-01-01T00:00:00Z

-90 -180 90 180

Google Earth Engine

https://developers.google.com/earth-engine/datasets