Description: The Global Maritime Boundaries Database (GMBD) is a data reference tool providing the user with the means of viewing and analyzing international maritime claims, limits and boundaries. These data are currently available from a wide variety of resources, yet no government agency, commercial firm, or academic institution has put forth even the agreed boundaries as a publicly available geo–referenced electronic database. This GMBD has provided a GIS database of not only agreed boundaries but also claimed limits, median lines and other features with detailed attributes providing imperative background information for every coastal nation in the world since the last century.The GMBD stores the claims, boundaries and zones feature data for the entire world as both attributed polygons and lines. The line features represent the boundaries of the jurisdictions and represent unilateral claims, multilateral agreements, hypothetical median lines, disputed claims, etc.gmbdline.shp- is the master LINE feature class of the GMBD.extendedcontinentalshelf.shp- this is separate line file containing the, mostly recent, extended continental shelf claims of the coastal nations. The polygon version of this data is still detail limited data in production (about half the countries have yet to make their claims).The polygon features represent areas of jurisdiction such as territorial seas, contiguous zones, fisheries zones, military zones, exclusive economic zones, joint development zones, disputed claims and more.gmbdpoly.shp- is the master POLYGON feature class of the GMBD.The following are derivatives of gmbdpoly.shp to simplify drawing and representing overlapping claims with transparency:land.shp - extracted land featuresinternalwaters.shp - extracted internal waters (landward of the baseline) features. Only a couple of the most egregious are distributed in the GMBDterritorialsea.shp - extracted territorial sea featurescontiguouszones.shp- extracted contiguous zone featureseconomiczones.shp- extracted economic zone featuresfishingzones.shp- extracted fishing zone features. These are generally 200nm fishing zones that countries that have not claimed an EEZ have declared instead, Many are being supplanted with EEZs as time goes on.developmentzones.shp- extracted joint development zones, These are agreed upon by adjoining states and are usually fishing or oil development zones.militaryzones.shp- extracted military zones (not a UN definition but the littoral nation's definition) and should be treated with more caution than territorial seas.specialzones.shp- extracted unilateral or joint claims or agreements areas that do not fall under the standard zones by definition of the littoral countries. These are sometimes zones of the ocean that have been exchanged with a neighboring country as part of an agreement.highseas.shp- extracted high seas (entirely outside EEZ claims, but not necessarily the Extended Continental Shelf (EC), which deals only with beneath the sea bed.disputedclaim.shp- extracted areas that represent claims that are not in line with international guidance, These are usually territorial sea claims greater than 12nm but may be claims deemed contentious for other reasons. May be used with disputed ownership as well.disputedownership.shp- extracted areas that represent, generally, areas of overlapping claim by two or more countries. May be used with disputed claim as well.hypotheticalclaim.shp- extracted areas representing claims that have not yet been made but that are likely forthcoming. For example, historically EEZs were not claimed in the Mediterranean Sea. However, the sea is now being claimed and divided up.hypotheticalownership.shp- extracted areas that a country could claim but, for some reason, has not yet claimed.claimedwatersbyccsv.shp- by request, this is a single polygon representing each countries entire maritime claimed area.The Global Maritime Boundaries Database (GMBD) is a data reference tool providing the user with the means of viewing and analyzing international maritime claims, limits and boundaries. These data are currently available from a wide variety of resources, yet no government agency, commercial firm, or academic institution has put forth even the agreed boundaries as a publicly available geo–referenced electronic database. This GMBD is the first of its kind, containing a GIS database of not only agreed boundaries but also claimed limits, median lines and other features with detailed attributes providing imperative background information for every coastal nation in the world. Please review GMBD.pdf, InstallationInstructions.pdf and ReleaseNotes.pdf in the installation folder for additional background information, data discussion and a glossary of attributes and their content.
Copyright Text: Copyright 1998–Present by Global GIS Data Services, LLC. Mr. Lorin Pruett, President All Rights Reserved Printed in the United States of America
Description: SeaVoX is a combined SeaDataNet and MarineXML vocabulary content governance group, it is moderated by BODC (https://www.bodc.ac.uk/data/codes_and_formats/seavox/).
This polygon data set defines the geographic extent of the terms specified by the SeaVoX vocabulary governance to describe coherent regions of the hydrosphere. It includes land masses enclosing freshwater bodies.
The coastline data set used in the shapefile is taken from the World Vector Shoreline data set (scale 1:250,000).
Reference for the data set: "polygon data set of the extent of water bodies from the SeaVoX Salt and Fresh Water Body Gazetteer, http://vocab.ndg.nerc.ac.uk/list/C19/current/"
The data file follows a hierarchical structure with each region consisting of one or more polygons. This approach was adopted to avoid the need to have overlapping polygons in regions where a sea area included a number of sub-regions, for example the Mediterranean Sea includes the Aegean Sea, Ionian Sea etc.
The following gives the level in the structure at which particular regions, which consist of more than one polygon can be found. This level in the structure is given by the polygon's attributes. Attribute: REGION:
ARCTIC OCEAN
ATLANTIC OCEAN
BALTIC SEA
INDIAN OCEAN
MEDITERRANEAN REGION
PACIFIC OCEAN
SOUTH CHINA AND EASTERN ARCHIPELAGIC SEAS
SOUTHERN OCEAN
MAINLAND EUROPE
MAINLAND ASIA
Attribute: LEVEL_1
ARAFURA SEA
DAVIS SEA
GULF OF BOTHNIA
MEDITERRANEAN SEA
NORTH ATLANTIC OCEAN
NORTH PACIFIC OCEAN
ROSS SEA
SOUTH ATLANTIC OCEAN
SOUTH PACIFIC OCEAN
TIMOR SEA;
Attribute: LEVEL_2
MEDITERRANEAN SEA, WESTERN BASIN
MEDITERRANEAN SEA, EASTERN BASIN
NORTHEAST ATLANTIC OCEAN (40W)
NORTHEAST PACIFIC OCEAN (180W)
NORTHWEST ATLANTIC OCEAN (40W)
NORTHWEST PACIFIC OCEAN (180W)
SOUTHEAST ATLANTIC OCEAN (20W)
SOUTHEAST PACIFIC OCEAN (140W)
SOUTHWEST ATLANTIC OCEAN (20W)
SOUTHWEST PACIFIC OCEAN (140W):
Attribute: LEVEL_3
BERING SEA
CORAL SEA
ENGLISH CHANNEL
JAPAN SEA
NORTH SEA
TASMAN SEA
YELLOW SEA
Attribute: LEVEL_4
CARDIGAN BAY
DOVER STRAIT
FIRTH OF CLYDE
LIVERPOOL BAY
NORTH CHANNEL
POOLE BAY
SOLENT
SOLWAY FIRTH
Attribute: SUB_REGION
This is the lowest level in the structure.
This version of the shapefile corresponds to version 9 of the SeaVoX Salt and Fresh Water Body Gazetteer.
It includes:
1. Polygons defining the extent of water bodies for the area around the UK from the Marine Environmental Data and Information Network (MEDIN) Marine Gazetteer.
2. Polygons defining the extent of the Caspian Sea and Aral Sea.
3. Definitions of limits of mainland Europe and mainland Asia. Please note that these areas are included purely to help provide context for the extent of the fresh water bodies, there are no political connotations inferred by the use of these names.
In this edition of the shapefile version of the SeaVoX Salt and Fresh Water Body Gazetteer, the attribute 'OCEAN' used in previous editions, has been renamed 'REGION'. Likewise the attribute, 'SUB_OCEAN' has been renamed 'SUB_REGION'.
Version 9 of C19 - SeaVoX Salt and Fresh Water Body Gazetteer was released to correct a spelling mistake for 'Northern Minch'. However, this spelling mistake was not present in version 8.0 of the shapefile version of the gazetteer. Version 9 of this shapefile has been released to correspond with version 9 of C19.There have been no changes made to the content of the polygons contained within this shapefile as compared with version 8.