gsw_time_series_resource | R Documentation |
This function constructs the necessary data URLs for a given data set, version and polygon and downloads them for further processing with the mapme.biodiversity package.
get_gsw_time_series(years, version = "LATEST")
years |
Numeric vector of years to process between 1984 and 2021.
Default: |
version |
Version of the data set to process. Available options are
( |
The available surface water classes for a given pixel are the following:
No Observation: It was not possible to determine whether a pixel was water (this may be the case for frozen areas or during the polar night in extreme latitudes).
Permanent Water: Water was detected in twelve months per year or in a combination of permanent and no observation.
Seasonal Water: Water and no water was detected.
No Water: No Water was detected.
A function that returns a character vector of file paths.
Raw Data: https://jeodpp.jrc.ec.europa.eu/ftp/jrc-opendata/GSWE/YearlyClassification/LATEST/tiles/
Global Surface Water Explorer: https://global-surface-water.appspot.com/
Data Users Guide: https://storage.cloud.google.com/global-surface-water/downloads_ancillary/DataUsersGuidev2021.pdf
Research Article: https://www.nature.com/articles/nature20584
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