The US territorial sea is a maritime zone, over which the United States exercises sovereignty. Each coastal State claims a territorial sea that extends seaward up to 12 nautical miles from its coastal baseline. As defined by maritime law, the coastal State exercises sovereignty over its territorial sea, the air space above it, and the seabed and subsoil beneath it. The U.S. territorial sea extends 12 nautical miles from the coastal baseline. The zone is usually used in concert with several other Limits and Boundary Lines for Maritime purposes.Maritime limits for the United States are measured from the US baseline, which is recognized as the low-water line along the coast as marked on NOAA's nautical charts. The baseline and related maritime limits are reviewed and approved by the interagency US Baseline Committee. The Office of Coast Survey depicts on its nautical charts the territorial sea (12nm), contiguous zone (24nm), and exclusive economic zone (200nm, plus maritime boundaries with adjacent/opposite countries. US maritime limits are ambulatory and subject to revision based on accretion or erosion of the charted low water line. Dataset SummaryThis map service contains data from NOAA and BOEM sources that address USA Regional coastal areas and are designed to be used together within an ArcGIS.com web map. These include: World Exclusive Economic Zone (EEZ) from NOAA Office of Coast SurveyContiguous Zone (CZ) from NOAA Office of Coast SurveyTerritorial Sea (TS) Boundary from NOAA Office of Coast SurveyRevenue Sharing Boundary [Section 8(g) of OCSLA Zone Boundary] from Bureau of Ocean Energy Management (BOEM)Submerged Land Act Boundaries (SLA) aka State Seaward Boundary (SSB)State Administrative Boundary from Bureau of Ocean Energy Management (BOEM)Continental Shelf Boundary (CSB) from Bureau of Ocean Energy Management (BOEM)Regional Maritime Planning Area Boundaries from NOAA Office of Coast SurveyInternational Provisional Maritime Boundary from NOAA (International Boundary Commission)The data for this layer were obtained from MarineCadastre.gov and is updated regularly.More information about U.S. Maritime Limits and BoundariesLink to source metadataWhat can you do with this layer?The features in this layer are used for areas and limits of coastal planning areas, or offshore planning areas, applied within ArcGIS Desktop and ArcGIS Online. A depiction of the territorial sea boundaries helps disputing parties reach an agreement as in the case of one state's boundary overlapping with another state's territorial sea, in which case the border is taken as the median point between the states' baselines, unless the states in question agree otherwise. A state can also choose to claim a smaller territorial sea.Conflicts still occur whenever a coastal nation claims an entire gulf as its territorial waters while other nations only recognize the more restrictive definitions of the UN convention. Two recent conflicts occurred in the Gulf of Sidra where Libya has claimed the entire gulf as its territorial waters and the US has twice enforced freedom of navigation rights, in the 1981 and 1989 Gulf of Sidra incidents.This layer is a feature service, which means it can be used for visualization and analysis throughout the ArcGIS Platform. This layer is not editable.
The maritime limits and boundaries of the U.S., found in the A-16 National Geospatial Data Asset Portfolio, is recognized as the low-water line along the coast measured from the U.S. baseline. This is marked on official U.S. nautical charts in accordance with the articles of the Law of the Sea. The baseline and related maritime limits are reviewed and approved by the inter-agency U.S. Baseline Committee.The primary purpose of this data is to update the official depiction of these maritime limits and boundaries on the National Oceanic and Atmospheric Administration's nautical charts. The Office of Coast Survey depicts on its nautical charts the territorial sea (12 nautical miles), contiguous zone (24 nautical miles), and Exclusive Economic Zone (200 nautical miles, plus maritime boundaries with adjacent/opposite countries). U.S. maritime limits are ambulatory and are subject to revision based on accretion or erosion of the charted low-water line. For more information about U.S. maritime limits and boundaries and to download data, see U.S. Maritime Limits & Boundaries. For the full Federal Geographic Data Committee metadata record, see Maritime Limits and Boundaries of United States of America.Thumbnail source image courtesy of: David Restivo
NOAA is responsible for depicting on its nautical charts the limits of the 12 nautical mile Territorial Sea, 24 nautical mile Contiguous Zone, and 200 nautical mile Exclusive Economic Zone (EEZ). The outer limit of each of these zones is measured from the U.S. normal baseline, which coincides with the low water line depicted on NOAA charts and includes closing lines across the entrances of legal bays and rivers, consistent with international law. The U.S. baseline and associated maritime limits are reviewed and approved through the interagency U.S. Baseline Committee, which is chaired by the U.S. Department of State. The Committee serves the function of gaining interagency consensus on the proper location of the baseline using the provisions of the 1958 Convention on the Territorial Sea and the Contiguous Zone, to ensure that the seaward extent of U.S. maritime zones do not exceed the breadth that is permitted by international law. In 2002 and in response to mounting requests for digital maritime zones, NOAA launched a project to re-evaluate the U.S. baseline in partnership with other federal agencies via the U.S. Baseline Committee. The focus of the baseline evaluation was NOAA's largest scale, most recent edition nautical charts as well as supplemental source materials for verification of certain charted features. This dataset is a result of the 2002-present initiative and reflects a multi-year iterative project whereby the baseline and associated maritime limits were re-evaluated on a state or regional basis. In addition to the U.S. maritime limits, the U.S. maritime boundaries with opposite or adjacent countries as well as the US/Canada International Boundary (on land and through the Great Lakes) are also included in this dataset.
Borders of territorial waters (12 nautical miles from baseline) in the Baltic Sea.
It is based on a dataset by the European Environment Agency (https://www.eea.europa.eu/data-and-maps/data/maritime-boundaries). The Russian borders and some small segments are based in OpenStreetMap. See the attribute table for details.
The Swedish territorial waters file was edited in November 2019. The source was the Swedish Maritime Administration (https://www.sjofartsverket.se/sv/Maritima-Tjanster/Havsgranser/)
(Version 4.1, updated September 13, 2013) Maritime limits for the United States are measured from the U.S. baseline, recognized as the low-water line along the coast as marked on NOAA's nautical charts in accordance with the articles of the Law of the Sea. The baseline and related maritime limits are reviewed and approved by the interagency U.S. Baseline Committee. The primary purpose of this dataset is to update the official depiction of these maritime limits and boundaries on NOAA's nautical charts. The Office of Coast Survey depicts on its nautical charts the territorial sea (12 nautical miles), contiguous zone (24nm), and exclusive economic zone (200nm, plus maritime boundaries with adjacent/opposite countries). U.S. maritime limits are ambulatory and subject to revision based on accretion or erosion of the charted low water line. For more information about U.S. Maritime Limits and Boundaries and to stay up-to-date, see: http://www.nauticalcharts.noaa.gov/csdl/mbound.htm. For the full FGDC metadata record, see: http:www.ncddc.noaa.gov/approved_recs/nos_de/ocs/ocs/MB_ParentDataset.html. Coordinates for the US/Canada international boundary, on land and through the Great Lakes, are managed by the International Boundary Commission.
An exclusive economic zone (EEZ) is a sea zone prescribed by the United Nations Convention on the Law of the Sea over which a sovereign state has special rights over the exploration and use of marine resources, including energy production from water and wind. This maritime boundary is designed to be used with other marine boundaries in order to help determine areas of trade, commerce and transportation. The 200 NM zone is measured, country-by-country, from another maritime boundary, the baseline (usually but not in all cases the mean low-water mark, used is not the same thing as the coast line. For each country, obtain the official list of the baseline points from the United Nations under Maritime Space.The exclusive economic zone stretches much further into sea than the territorial waters, which end at 12 NM (22 km) from the coastal baseline (if following the rules set out in the UN Convention on the Law of the Sea). Thus, the EEZ includes the contiguous zone. States also have rights to the seabed of what is called the continental shelf up to 350 NM (648 km) from the coastal baseline, beyond the EEZ, but such areas are not part of their EEZ. The legal definition of the continental shelf does not directly correspond to the geological meaning of the term, as it also includes the continental rise and slope, and the entire seabed within the EEZ. The chart below diagrams the overlapping jurisdictions which are part of the EEZ. When the (EEZ) boundary is between countries which are separated by less than 200NM is settled by international tribunals at any arbitrary line. Many countries are still in the process of extending their EEZs beyond 200NM using criteria defined in the United Nations Convention on the Law of the Sea. Dataset Summary The data for this layer were obtained from https://www.marineregions.org/published here. Link to source metadata.Preferred Citation: Flanders Marine Institute (2023). Maritime Boundaries Geodatabase: Maritime Boundaries and Exclusive Economic Zones (200NM), version 12. Available online at https://www.marineregions.org/. https://doi.org/10.14284/632This layer is a feature service, which means it can be used for visualization and analysis throughout the ArcGIS Platform. This layer is not editable.
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Title 27 of the Palau National Code as amended by the Act (SIXTH OLBIIL ERA KELULAU) to Amend Chapter 1 of Title 27 of the Palau National Code defines the territorial sea as having a twelve miles’ breadth. The inner boundary of the territorial sea of each island or atoll is the baseline which is defined as a continuous line which encircles an island or atoll. The baseline from which the zones designated in this chapter are to be measured as follows: (a) The baseline of an island or portion of an island lacking a barrier reef, fringing reef, or other reef system is the low water line of the island as marked on large scale charts officially recognized by the national government. (b) The baseline of an atoll or island or portion of an island having a barrier reef, fringing reef, or other reef system is a line following the contour of the seaward edge of the reef system, which line connects those outermost elevations of the reef which are above water at low tide, and which line exists as marked on large scale charts officially recognized by the national government. The outer boundary is a line, every point of which is twelve nautical miles seaward of the nearest point on the baseline.
Work is still in progress to publish Palau’s 12 nautical miles zone on UN DOALOS. As such this layer is extracted from the Global Marine Regions Open Database platform. (marineregion.org)
https://www.un.org/depts/los/LEGISLATIONANDTREATIES/PDFFILES/PLW_1990_PNC.pdf https://www.un.org/depts/los/LEGISLATIONANDTREATIES/PDFFILES/PLW_2003_PNC.pdf
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The Real Map of Ireland represents Ireland's marine territory of over 220 million acres which is ten times the size of the island of Ireland. The currently designated Irish Continental Shelf, represented by the red line on the map. shows Ireland's current territorial waters which extends out across the North Atlantic Ocean and includes parts of the Irish and Celtic Seas. This area also includes one of the largest marine Exclusive Economic Zones in the European Union. The Continental Shelf of a coastal State comprises the seabed and subsoil of submarine areas that extend to 200 nautical miles from its territorial sea baselines or further if the natural prolongation of its land mass is beyond this. The coastal State exercises over the continental shelf sovereign rights for the purpose of exploring it and exploiting its natural resources. Where a margin extends beyond 200 nautical miles, a coastal state may extend its continental shelf limit, subject to the criteria set out in Article 76 of the United Nations Convention on the Law of the Sea. The Real Map of Ireland released January 2008. The Real Map of Ireland vision produced to support the promotion of Ireland's marine resource. The Real Map of Ireland produced by the Marine Institute, Ireland's national agency for marine research, technological development and innovation.
This layer is an overview of the maritime boundaries and limits. Symbology is rendered at larger scales.
The Digital Geologic Map of International Boundary and Water Commission Mapping in Amistad National Recreation Area, Texas and Mexico is composed of GIS data layers complete with ArcMap 9.3 layer (.LYR) files, two ancillary GIS tables, a Map PDF document with ancillary map text, figures and tables, a FGDC metadata record and a 9.3 ArcMap (.MXD) Document that displays the digital map in 9.3 ArcGIS. The data were completed as a component of the Geologic Resources Inventory (GRI) program, a National Park Service (NPS) Inventory and Monitoring (I&M) funded program that is administered by the NPS Geologic Resources Division (GRD). Source geologic maps and data used to complete this GRI digital dataset were provided by the following: Eddie Collins, Amanda Masterson and Tom Tremblay (Texas Bureau of Economic Geology); Rick Page (U.S. Geological Survey); Gilbert Anaya (International Boundary and Water Commission). Detailed information concerning the sources used and their contribution the GRI product are listed in the Source Citation sections(s) of this metadata record (ibwc_metadata.txt; available at http://nrdata.nps.gov/amis/nrdata/geology/gis/ibwc_metadata.xml). All GIS and ancillary tables were produced as per the NPS GRI Geology-GIS Geodatabase Data Model v. 2.1. (available at: http://science.nature.nps.gov/im/inventory/geology/GeologyGISDataModel.cfm). The GIS data is available as a 9.3 personal geodatabase (ibwc_geology.mdb), and as shapefile (.SHP) and DBASEIV (.DBF) table files. The GIS data projection is NAD83, UTM Zone 14N. The data is within the area of interest of Amistad National Recreation Area.
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Global EEZ layer are the layers gathered from gazetted datasets that the Pacific Community (SPC) has received from the project countries. In areas where there are no gazetted datasets provisional layers are being sourced from the Global Marine Regions database (https://www.marineregions.org/).
There are two layers available, the .shp file layer and the .kml layer which are being used by partners and member states in particular FFA for the Regional Fisheries Surveillance Center (RFSC).
In 2007, the California Ocean Protection Council initiated the California Seafloor Mapping Program (CSMP), designed to create a comprehensive seafloor map of high-resolution bathymetry, marine benthic habitats, and geology within California’s State Waters. The program supports a large number of coastal-zone- and ocean-management issues, including the California Marine Life Protection Act (MLPA) (California Department of Fish and Wildlife, 2008), which requires information about the distribution of ecosystems as part of the design and proposal process for the establishment of Marine Protected Areas. A focus of CSMP is to map California’s State Waters with consistent methods at a consistent scale. The CSMP approach is to create highly detailed seafloor maps through collection, integration, interpretation, and visualization of swath sonar data (the undersea equivalent of satellite remote-sensing data in terrestrial mapping), acoustic backscatter, seafloor video, seafloor photography, high-resolution seismic-reflection profiles, and bottom-sediment sampling data. The map products display seafloor morphology and character, identify potential marine benthic habitats, and illustrate both the surficial seafloor geology and shallow (to about 100 m) subsurface geology. It is emphasized that the more interpretive habitat and geology data rely on the integration of multiple, new high-resolution datasets and that mapping at small scales would not be possible without such data. This approach and CSMP planning is based in part on recommendations of the Marine Mapping Planning Workshop (Kvitek and others, 2006), attended by coastal and marine managers and scientists from around the state. That workshop established geographic priorities for a coastal mapping project and identified the need for coverage of “lands” from the shore strand line (defined as Mean Higher High Water; MHHW) out to the 3-nautical-mile (5.6-km) limit of California’s State Waters. Unfortunately, surveying the zone from MHHW out to 10-m water depth is not consistently possible using ship-based surveying methods, owing to sea state (for example, waves, wind, or currents), kelp coverage, and shallow rock outcrops. Accordingly, some of the data presented in this series commonly do not cover the zone from the shore out to 10-m depth. This data is part of a series of online U.S. Geological Survey (USGS) publications, each of which includes several map sheets, some explanatory text, and a descriptive pamphlet. Each map sheet is published as a PDF file. Geographic information system (GIS) files that contain both ESRI ArcGIS raster grids (for example, bathymetry, seafloor character) and geotiffs (for example, shaded relief) are also included for each publication. For those who do not own the full suite of ESRI GIS and mapping software, the data can be read using ESRI ArcReader, a free viewer that is available at http://www.esri.com/software/arcgis/arcreader/index.html (last accessed September 20, 2013). The California Seafloor Mapping Program is a collaborative venture between numerous different federal and state agencies, academia, and the private sector. CSMP partners include the California Coastal Conservancy, the California Ocean Protection Council, the California Department of Fish and Wildlife, the California Geological Survey, California State University at Monterey Bay’s Seafloor Mapping Lab, Moss Landing Marine Laboratories Center for Habitat Studies, Fugro Pelagos, Pacific Gas and Electric Company, National Oceanic and Atmospheric Administration (NOAA, including National Ocean Service–Office of Coast Surveys, National Marine Sanctuaries, and National Marine Fisheries Service), U.S. Army Corps of Engineers, the Bureau of Ocean Energy Management, the National Park Service, and the U.S. Geological Survey. These web services for the Offshore of Point Conception map area includes data layers that are associated to GIS and map sheets available from the USGS CSMP web page at https://walrus.wr.usgs.gov/mapping/csmp/index.html. Each published CSMP map area includes a data catalog of geographic information system (GIS) files; map sheets that contain explanatory text; and an associated descriptive pamphlet. This web service represents the available data layers for this map area. Data was combined from different sonar surveys to generate a comprehensive high-resolution bathymetry and acoustic-backscatter coverage of the map area. These data reveal a range of physiographic including exposed bedrock outcrops, large fields of sand waves, as well as many human impacts on the seafloor. To validate geological and biological interpretations of the sonar data, the U.S. Geological Survey towed a camera sled over specific offshore locations, collecting both video and photographic imagery; these “ground-truth” surveying data are available from the CSMP Video and Photograph Portal at https://doi.org/10.5066/F7J1015K. The “seafloor character” data layer shows classifications of the seafloor on the basis of depth, slope, rugosity (ruggedness), and backscatter intensity and which is further informed by the ground-truth-survey imagery. The “potential habitats” polygons are delineated on the basis of substrate type, geomorphology, seafloor process, or other attributes that may provide a habitat for a specific species or assemblage of organisms. Representative seismic-reflection profile data from the map area is also include and provides information on the subsurface stratigraphy and structure of the map area. The distribution and thickness of young sediment (deposited over the past about 21,000 years, during the most recent sea-level rise) is interpreted on the basis of the seismic-reflection data. The geologic polygons merge onshore geologic mapping (compiled from existing maps by the California Geological Survey) and new offshore geologic mapping that is based on integration of high-resolution bathymetry and backscatter imagery seafloor-sediment and rock samplesdigital camera and video imagery, and high-resolution seismic-reflection profiles. The information provided by the map sheets, pamphlet, and data catalog has a broad range of applications. High-resolution bathymetry, acoustic backscatter, ground-truth-surveying imagery, and habitat mapping all contribute to habitat characterization and ecosystem-based management by providing essential data for delineation of marine protected areas and ecosystem restoration. Many of the maps provide high-resolution baselines that will be critical for monitoring environmental change associated with climate change, coastal development, or other forcings. High-resolution bathymetry is a critical component for modeling coastal flooding caused by storms and tsunamis, as well as inundation associated with longer term sea-level rise. Seismic-reflection and bathymetric data help characterize earthquake and tsunami sources, critical for natural-hazard assessments of coastal zones. Information on sediment distribution and thickness is essential to the understanding of local and regional sediment transport, as well as the development of regional sediment-management plans. In addition, siting of any new offshore infrastructure (for example, pipelines, cables, or renewable-energy facilities) will depend on high-resolution mapping. Finally, this mapping will both stimulate and enable new scientific research and also raise public awareness of, and education about, coastal environments and issues. Web services were created using an ArcGIS service definition file. The ArcGIS REST service and OGC WMS service include all Offshore of Point Conception map area data layers. Data layers are symbolized as shown on the associated map sheets.
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Abstract:This dataset depicts the limit of Australia’s territorial sea as proclaimed by the Seas and Submerged Lands Act 1973 – Proclamation under section 7 (9/11/1990). This Proclamation asserts a 12 nautical mile territorial sea measured seaward from the territorial sea baseline, with exception of certain islands in the Torres Strait where the territorial sea limit is fixed at 3 nautical miles in accordance with the Torres Strait Treaty between Australia and Papua New Guinea. This version release is the Australian Maritime Boundaries (AMB) 2020 and is a component of the Seas and Submerged Lands Act (SSLA) 1973.© Commonwealth of Australia (Geoscience Australia) 2021.Downloads and Links:Web ServicesSeas and Submerged Lands Act 1973 MapServer Seas and Submerged Lands Act 1973 WMTSSeas and Submerged Lands Act 1973 WMSSeas and Submerged Lands Act 1973 WFSDownloads available from the expanded catalogue link, belowMetadata URL:https://pid.geoscience.gov.au/dataset/ga/144571
The maritime borders dataset contains the seaward boundaries of the Exclusive Economic Zone (EEZ), the territorial sea and the baselines. They are condensed coordinates of the maritime border maps 2920 (North Sea) and 2921 (Baltic Sea). They are coordinates compressed (interpolated) to geodetic lines. The distance of the nodes on the geodetic connecting lines of the defined boundary points is less than or equal to 100 m. The maritime borders of Germany were proclaimed in the today no more usual coordinate system "European date 1950 (ED50)". This definition is based in particular on the announcement of the Federal Government's proclamation of 19 October 1994 on the extension of the German territorial sea (BGBl. I p. 3428) and the Federal Republic of Germany's proclamation of 25 November 1994 on the establishment of an exclusive economic zone (BGBl. II p. 3769), which are decisive with regard to the demarcation of the German territorial sea and the German exclusive economic zone. In order to be able to better use these boundaries in today's GIS systems and to avoid conversion errors, the Federal Maritime and Hydrographic Agency has derived the present usage coordinates in WGS 84. In this respect, they are not official maritime borders of Germany.
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Nauru's Territorial Sea Baseline was defined using the 1993 topographic map produce by Survey Graphics Pty Ltd of Perth, Western Australia, under the direction of the Ministry of Island Development and Industry. The map is based on UTM Grid Zone 58, which is referred to the World Geodetic System 1972 (WGS 72). The WGS 72 coordinate system was then converted to WGS 84 using transformation parameters tabled on Nauru Maritime Boundaries Technical Report (TR 399).
MapInfo and Marzone delimitation software was used to map the 86 basepoints which was the basis in delimiting outer limits of 12M, 24M and 200M.
Nauru's Territorial Sea Baseline is categorised as a normal baseline. Under the United National Convention of the Law of the Sea (UNCLOS), normal baseline can be drawn around low tide elevation which are defined as naturally formed areas of land surrounded by and above water at low tide but submerged at high tide, provided they are wholly or partially within 12 nautical miles of the coast.
The Water Framework Directive (WFD) sets out the basic principles for sustainable water policy. Its purpose is to establish a framework for the protection of inland surface waters, transitional waters, coastal waters and groundwater. The WFD aims to achieve good water status. The body of water is the elementary territorial division of aquatic environments intended to be the WFD assessment unit. A reference for water bodies is established for all waters in the Seine Normandy basin. It allows the development of the WFD management plan to achieve good water status.
This data concerns the Master Plan for Water Management 2022-027 (SDAGE) of the Seine Normandy Basin. It lists the surface water bodies: river body, transitional water body, coastal water body, body of water body water body
A river water body is a distinct and significant part of surface waters such as a river, river or canal, part of a river, river or canal. A transitional water body is a distinct and significant part of surface waters located near the mouths of rivers or rivers, which are partly salty because of their proximity to coastal waters but which remain fundamentally influenced by fresh water currents. A coastal water body is a distinct and significant part of the surface waters between the baseline used to measure the breadth of territorial waters and a distance of one nautical mile. A body of water body of water is a distinct and significant part of surface waters such as a lake, a reservoir.
For more information, you can consult the document of the Sander dedicated to water body repositories: http://www.sandre.eaufrance.fr/urn.php? urn=urn:sandre:dictionnaire:MDO:FRA:::ressource:1.3:::pdf
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SeaMaST provides evidence on the use of sea areas by seabirds and inshore waterbirds in English territorial waters, mapping their relative sensitivity to offshore wind farm and wave/tidal energy developments. Data were compiled from offshore boat and aerial observer surveys spanning the period 1979–2012. The data were analysed using distance analysis and Density Surface Modelling to produce predicted bird densities across a grid covering English territorial waters at a resolution of 3 km x 3 km. Coefficients of Variation were estimated for each grid cell density, as an indication of confidence in predictions. Offshore wind farm sensitivity scores were compiled for seabird species using English territorial waters in breeding and non-breeding seasons, according to the BDMPS (Biologically Defined Minimum Population Scales) project (http://publications.naturalengland.org.uk/publication/6427568802627584). The comparative risks to each species of collision with turbines and displacement from operational turbines were reviewed and scored separately, and the scores were multiplied by the bird density estimates to produce relative sensitivity maps. Attribution statement: © Natural England copyright [Year], reproduced with the permission of the Crown Estate, Joint Nature Conservation Committee, and the Wildfowl & Wetlands Trust
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This map supersedes the Australia's Maritime Zones/Boundaries Map Edition 4, published in November 2013. Catalogue Number/GeoCat 69822.
This map has been derived from Geoscience Australia's Australian Maritime Boundaries (AMB) 2014 data which is a digital representation of Australia's territorial sea baseline and the maritime limits and boundaries as established under the Sea and Submerged Lands Act 1973.
On the 9 April 2008 the Commission on the Limits of the Continental Shelf confirmed Australia's continental shelf limits. This edition shows those limits together with those areas yet to be resolved and the area off the Australian Antarctic Territory that Australia requested the commission not consider for the time being.
The map describes the different maritime zones, explains how Australia defines and updates its maritime boundaries, and lists the different maritime boundary arrangements with Indonesia, Papua New Guinea, Solomon Islands, France (New Calendonia and Kerguelen) and New Zealand. It shows the extent of Australia's maritime boundaries, stretching from Heard and McDonald Islands in the west to Norfolk Island in the east, and from the Torres Strait and Arafura Sea in the north to the Australian Antarctic Territory in the south.
This map can be downloaded from the Web in PDF format.
Coverage: Australia Currency: 2014 (web map) Coordinates: Geographical Projection: Bonne with 134E longitude and 30S at projection centre Medium: Web delivery
You can also purchase hard copies of Geoscience Australia data and other products at http://www.ga.gov.au/products-services/how-to-order-products/sales-centre.html
60 colour maps depicting the graticular blocks subject to revision of the territorial sea baseline. These maps cover the whole of Australia including Macquarie and Lord Howe Islands.
Not for sale or public distribution Contact Manager, LOSAMBA project, EGD
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The Territorial Sea of the United States of America By the President of the United States of America A Proclamation of 27 December 1988 states the extension of the territorial sea of the United States of America, the Commonwealth of Puerto Rico, Guam, American Samoa, the United States Virgin Islands, the Commonwealth of the Northern Mariana Islands, and any other territory or possession over which the United States exercises sovereignty.
The territorial sea of the United States henceforth extends to 12 nautical miles from the baselines of the United States determined in accordance with international law. In accordance with international law, as reflected in the applicable provisions of the 1982 Convention on the Law of the Sea, within the territorial sea of the United States, the ships of all countries enjoy the right of innocent passage and the ships and aircraft of all countries enjoy the right of transit passage through international straits. Nothing in this Proclamation: (a) extends or otherwise alters existing federal or State law or any jurisdiction, rights, legal interests, or obligations derived therefrom, or (b) impairs the determination, in accordance with international law, of any maritime boundary of the United States with a foreign jurisdiction.
https://www.un.org/depts/los/LEGISLATIONANDTREATIES/PDFFILES/USA_1988_Proclamation.pdf
The US territorial sea is a maritime zone, over which the United States exercises sovereignty. Each coastal State claims a territorial sea that extends seaward up to 12 nautical miles from its coastal baseline. As defined by maritime law, the coastal State exercises sovereignty over its territorial sea, the air space above it, and the seabed and subsoil beneath it. The U.S. territorial sea extends 12 nautical miles from the coastal baseline. The zone is usually used in concert with several other Limits and Boundary Lines for Maritime purposes.Maritime limits for the United States are measured from the US baseline, which is recognized as the low-water line along the coast as marked on NOAA's nautical charts. The baseline and related maritime limits are reviewed and approved by the interagency US Baseline Committee. The Office of Coast Survey depicts on its nautical charts the territorial sea (12nm), contiguous zone (24nm), and exclusive economic zone (200nm, plus maritime boundaries with adjacent/opposite countries. US maritime limits are ambulatory and subject to revision based on accretion or erosion of the charted low water line. Dataset SummaryThis map service contains data from NOAA and BOEM sources that address USA Regional coastal areas and are designed to be used together within an ArcGIS.com web map. These include: World Exclusive Economic Zone (EEZ) from NOAA Office of Coast SurveyContiguous Zone (CZ) from NOAA Office of Coast SurveyTerritorial Sea (TS) Boundary from NOAA Office of Coast SurveyRevenue Sharing Boundary [Section 8(g) of OCSLA Zone Boundary] from Bureau of Ocean Energy Management (BOEM)Submerged Land Act Boundaries (SLA) aka State Seaward Boundary (SSB)State Administrative Boundary from Bureau of Ocean Energy Management (BOEM)Continental Shelf Boundary (CSB) from Bureau of Ocean Energy Management (BOEM)Regional Maritime Planning Area Boundaries from NOAA Office of Coast SurveyInternational Provisional Maritime Boundary from NOAA (International Boundary Commission)The data for this layer were obtained from MarineCadastre.gov and is updated regularly.More information about U.S. Maritime Limits and BoundariesLink to source metadataWhat can you do with this layer?The features in this layer are used for areas and limits of coastal planning areas, or offshore planning areas, applied within ArcGIS Desktop and ArcGIS Online. A depiction of the territorial sea boundaries helps disputing parties reach an agreement as in the case of one state's boundary overlapping with another state's territorial sea, in which case the border is taken as the median point between the states' baselines, unless the states in question agree otherwise. A state can also choose to claim a smaller territorial sea.Conflicts still occur whenever a coastal nation claims an entire gulf as its territorial waters while other nations only recognize the more restrictive definitions of the UN convention. Two recent conflicts occurred in the Gulf of Sidra where Libya has claimed the entire gulf as its territorial waters and the US has twice enforced freedom of navigation rights, in the 1981 and 1989 Gulf of Sidra incidents.This layer is a feature service, which means it can be used for visualization and analysis throughout the ArcGIS Platform. This layer is not editable.