convertEEZCountries: Convert Exclusive Economic Zones countries shapefile

In MazamaSpatialUtils: Spatial Data Download and Utility Functions

Convert Exclusive Economic Zones countries shapefile

Description

Create a simple features dataframe for combined EEZ/country boundaries.

The full resolution file will be named "EEZCountries.rda". In addition, "_05", _02" and "_01" versions of the file will be created that that are simplified to 5%, 2% and 1%. Simplified versions will greatly improve the speed of both searching and plotting.

Usage

convertEEZCountries()

Details

A world EEZ/countries shapefile is converted to a simple features dataframe with additional columns of data. To use this function, the file "EEZ_land_union_v3_202003.zip" must be downloaded into the user's spatial directory which is set with setSpatialDataDir(). The resulting file will be created in this same spatial data directory.

Value

Name of the datasetName being created.

Note

For polygons with overlapping claims of sovereignty, we arbitrarily assign the polygon to the country identified in the ISO_SOV1 field.

The source data is from Version 3 – 2020-03-17.

From the source documentation:

Geographic Information Systems have become indispensable tools in managing and displaying marine data and information. However, a unique georeferenced standard of marine place names and areas was not available, hampering several marine geographic applications, for example the linking of these locations to databases to integrate data. The purpose of Marine Regions is therefore to create a standard, relational list of geographic names, coupled with information and maps of the geographic location of these features. This will improve access and clarity of the different geographic, marine names such as seas, sandbanks, ridges and bays and display univocally the boundaries of marine biogeographic or managerial marine areas.

Marine Regions is an integration of the VLIMAR Gazetteer and the VLIZ Maritime Boundaries Geodatabase. The VLIMAR Gazetteer is a database with geographic, mainly marine names such as seas, sandbanks, seamounts, ridges, bays or even standard sampling stations used in marine research. The geographic cover of the VLIMAR gazetteer is global but initially focused on the Belgian Continental Shelf and the Scheldt Estuary and the Southern Bight of the North Sea. Gradually more regional and global geographic information was added to VLIMAR and combining this information with the Maritime Boundaries database, representing the Exclusive Economic Zone (EEZ) of the world, led to the creation of marineregions.org.

Marine Regions is managed by the Flanders Marine Institute. Funding for the creation of the VLIMAR gazetteer was provided initially through the EU Network of Excellence MarBEF, but also other European initiatives such as Lifewatch provide the necessary funding for the maintenance and management of Marine Regions.

Marine Regions depends on data and knowledge sharing from global, European, regional and national data providers and relevant experts. By setting up Collaboration Agreements, data providers will benefit from belonging to the Marine Regions partnership as they would get increased visibility, gain access to a variety of data analysis services which will benefit from integration of several distributed spatial datasetNames, as well as enjoying the benefit of the creation of stable unique identifiers. An example template of a Collaboration Agreement can be found here. Please contact [e-mail] if your organisation is interested to explore this collaboration.

Citation: Flanders Marine Institute (2020). Union of the ESRI Country shapefile and the Exclusive Economic Zones (version 3). Available online at https://www.marineregions.org/. https://doi.org/10.14284/403 #'

References

https://www.marineregions.org/sources.php#unioneezcountry

See Also

setSpatialDataDir

MazamaSpatialUtils documentation built on Nov. 3, 2024, 9:07 a.m.