Atlantic coastal plain

E28443

coastal plain physiographic region

The Atlantic coastal plain is a broad, low-lying region of flat to gently rolling terrain along the eastern seaboard of the United States, historically significant as a core area of early colonial settlement and agriculture.

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All labels observed (55)

Label	Occurrences
Atlantic coastal plain canonical	133
Atlantic Coastal Plain	111
Coastal Plain of Virginia	13
Coastal Plain	7
Mid-Atlantic coastal plain	5
Atlantic Coastal Plain physiographic province	4
Coastal Plain of New Jersey	4
United States South Atlantic coastal plain	4
Virginia coastal plain	3
Atlantic coastal plain of New Jersey	2
Atlantic coastal plain of North Carolina	2
Coastal Plain of Georgia	2
New Jersey coastal plain	2
Atlantic Coastal Plain (North Carolina)	1
Atlantic Coastal Plain Province	1
Atlantic Coastal Plain Sandhills	1
Atlantic Coastal Plain of New Jersey	1
Atlantic Coastal Plain of Virginia	1
Atlantic Coastal Plain of the United States	1
Atlantic Coastal Plain province	1
Atlantic Coastal Plain region	1
Atlantic Coastal Plain related to Appalachian erosion	1
Atlantic Coastal Ridge region	1
Atlantic Ocean coast	1
Atlantic Plain	1
Atlantic and Gulf Coastal Plain system	1
Atlantic coastal forests	1
Atlantic coastal plain ecosystems	1
Atlantic coastal plain estuarine system	1
Atlantic coastal plain of the Carolinas	1
Atlantic coastal plain of the United States	1
Atlantic coastal plain physiographic province	1
Atlantic coastal plains	1
Atlantic coastal region	1
Chesapeake Bay coastal plain	1
Coastal Plain (approximate transition zone)	1
Coastal Plain of South Carolina	1
Coastal Plain of the southeastern United States	1
Coastal Plain physiographic region	1
Coastal Plain region of the United States	1
Eastern Shore coastal plain	1
Lowcountry	1
New Jersey Coastal Plain	1
North American Atlantic coastal plain	1
South Atlantic coastal plain	1
Southeastern Coastal Plain	1
Southeastern United States coastal plain	1
Southern Coastal Plain	1
Southern Coastal Plain ecoregion	1
U.S. Atlantic coastal plain	1
U.S. South Atlantic coastal plain	1
United States Atlantic coastal plain	1
United States coastal plain	1
Upper Coastal Plain	1
Virginia’s Coastal Plain	1

How this entity was disambiguated

This entity first appeared as the object of triple T219641 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Atlantic coastal plain
Context triple: [American South (colonial and early national periods), geographicFeature, Atlantic coastal plain]

A. North Carolina Coastal Plain
The North Carolina Coastal Plain is the low-lying eastern region of the state characterized by flat terrain, extensive wetlands, and proximity to the Atlantic Ocean.
B. Atlantic coast of North America
The Atlantic coast of North America is the eastern seaboard of the continent, stretching from the Canadian Maritimes down through the United States to Florida and the Gulf of Mexico, and historically serving as a major corridor for exploration, trade, and colonization.
C. Gulf Coast of the United States
The Gulf Coast of the United States is a coastal region along the Gulf of Mexico known for its major port cities, energy and petrochemical industries, and vulnerability to hurricanes.
D. North Coast
North Coast is a coastal region of New South Wales, Australia, known for its beaches, subtropical climate, and popular holiday destinations.
E. East Coast of the United States
The East Coast of the United States is the Atlantic seaboard region stretching from Maine to Florida, encompassing many of the nation’s oldest cities and most densely populated metropolitan areas.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Atlantic coastal plain
Target entity description: The Atlantic coastal plain is a broad, low-lying region of flat to gently rolling terrain along the eastern seaboard of the United States, historically significant as a core area of early colonial settlement and agriculture.

A. North Carolina Coastal Plain
The North Carolina Coastal Plain is the low-lying eastern region of the state characterized by flat terrain, extensive wetlands, and proximity to the Atlantic Ocean.
B. Atlantic coast of North America
The Atlantic coast of North America is the eastern seaboard of the continent, stretching from the Canadian Maritimes down through the United States to Florida and the Gulf of Mexico, and historically serving as a major corridor for exploration, trade, and colonization.
C. Gulf Coast of the United States
The Gulf Coast of the United States is a coastal region along the Gulf of Mexico known for its major port cities, energy and petrochemical industries, and vulnerability to hurricanes.
D. North Coast
North Coast is a coastal region of New South Wales, Australia, known for its beaches, subtropical climate, and popular holiday destinations.
E. East Coast of the United States
The East Coast of the United States is the Atlantic seaboard region stretching from Maine to Florida, encompassing many of the nation’s oldest cities and most densely populated metropolitan areas.
F. None of above. chosen

Statements (60)

Predicate	Object
instanceOf	coastal plain ⓘ physiographic region ⓘ
biodiversity	high wetland biodiversity ⓘ
borderedBy	Fall Line ⓘ linked to: Piedmont-Atlantic Coastal Plain fall line Piedmont physiographic province ⓘ linked to: Piedmont Plateau
climate	humid continental climate (northern portion) ⓘ humid subtropical climate (southern portion) ⓘ
contains	Cape Cod ⓘ Carolina Bays ⓘ Delmarva Peninsula ⓘ Everglades ⓘ Long Island ⓘ New Jersey Pine Barrens ⓘ linked to: Pine Barrens Outer Banks ⓘ Sea Islands ⓘ linked to: Sea Islands region alluvial plains ⓘ barrier beaches ⓘ coastal lagoons ⓘ drowned river valleys ⓘ dune systems ⓘ river deltas ⓘ salt marshes ⓘ tidal flats ⓘ
continent	North America ⓘ
country	United States of America ⓘ
dominantRockType	sedimentary rocks ⓘ unconsolidated sediments ⓘ
drainedBy	numerous short coastal rivers ⓘ tidal creeks ⓘ
ecoregionType	coastal plain ecoregions ⓘ
elevation	low-lying ⓘ
extendsAlong	Atlantic Ocean ⓘ
geologicEra	Cenozoic ⓘ
hasCharacteristic	barrier islands ⓘ broad width ⓘ estuaries ⓘ extensive wetlands ⓘ low relief ⓘ poorly drained areas ⓘ
historicalSignificance	core area of early English colonial settlement in North America ⓘ early center of indigo cultivation ⓘ early center of plantation agriculture ⓘ early center of rice cultivation ⓘ early center of tobacco cultivation ⓘ
locatedOnCoastOf	Atlantic Ocean ⓘ
partOf	eastern seaboard of the United States ⓘ
soilType	alluvial soils ⓘ sandy soils ⓘ
stretchesFrom	New England ⓘ
stretchesTo	Florida ⓘ Gulf Coastal Plain ⓘ
susceptibleTo	coastal flooding ⓘ hurricanes ⓘ sea-level rise impacts ⓘ
terrainType	flat terrain ⓘ gently rolling terrain ⓘ
usedFor	agriculture ⓘ forestry ⓘ tourism ⓘ urban development ⓘ

How these facts were elicited

Referenced by (334)

Full triples — surface form annotated when it differs from this entity's canonical label.

American South (colonial and early national periods) → geographicFeature → Atlantic coastal plain ⓘ

Georgia → hasRegion → Coastal Plain ⓘ

subject linked to: U.S. state of Georgia

linked to: Atlantic coastal plain

Britton Hill → partOf → Atlantic coastal plain physiographic province ⓘ

linked to: Atlantic coastal plain

San Juan National Historic Site → locatedOn → Atlantic Ocean coast ⓘ

linked to: Atlantic coastal plain

Charleston → partOf → Lowcountry ⓘ

linked to: Atlantic coastal plain

Pennsylvania → borderedBy → Atlantic coastal plain ⓘ

Piedmont (United States) → liesBetween → Atlantic Coastal Plain ⓘ

linked to: Atlantic coastal plain

Piedmont (United States) → boundedBy → Atlantic Coastal Plain ⓘ

linked to: Atlantic coastal plain

Stafford County, Virginia → locatedInRegion → Atlantic coastal plain ⓘ

Georgia → hasGeographicalFeature → Atlantic coastal plain ⓘ

North Carolina → hasRegion → Atlantic Coastal Plain ⓘ

linked to: Atlantic coastal plain

North Carolina Coastal Plain → partOf → Atlantic Coastal Plain ⓘ

linked to: Atlantic coastal plain

Homestead, Florida → region → Atlantic coastal plain ⓘ

Florida Peninsula → surroundedBy → Atlantic coastal plain ⓘ

Savannah metropolitan area → locatedOn → Atlantic coastal plain ⓘ

Hills of Barnstable County, Massachusetts → regionType → Atlantic coastal plain ⓘ

Anacostia River → ecoregion → Atlantic coastal plain ⓘ

Rockaway Peninsula → locatedIn → Atlantic coastal plain ⓘ

Raritan River → ecoregion → Atlantic coastal plain ⓘ

Eastern United States → containsLandform → Atlantic Coastal Plain ⓘ

linked to: Atlantic coastal plain

Piedmont-Atlantic Coastal Plain fall line → separates → Atlantic Coastal Plain ⓘ

linked to: Atlantic coastal plain

Central Virginia → partlyIn → Atlantic Coastal Plain of Virginia ⓘ

linked to: Atlantic coastal plain

Great Dismal Swamp → locatedIn → Atlantic Coastal Plain ⓘ

linked to: Atlantic coastal plain

Neuse River → crossesEcoregion → Atlantic Coastal Plain ⓘ

linked to: Atlantic coastal plain

Okeechobee Plain → geologicalSetting → Atlantic Coastal Plain province ⓘ

linked to: Atlantic coastal plain

Forte de São Sebastião de Castro Marim → hasViewOf → Atlantic coastal plain ⓘ

Decatur County, Georgia → locatedInPhysiographicRegion → Coastal Plain of Georgia ⓘ

linked to: Atlantic coastal plain

Grady County, Georgia → locatedIn → Coastal Plain physiographic region ⓘ

linked to: Atlantic coastal plain

Delaware people → historicalTerritory → Atlantic coastal plain of New Jersey ⓘ

linked to: Atlantic coastal plain

Savannah River → ecoregion → Atlantic coastal plain ⓘ

Flint River → locatedIn → Coastal Plain of Georgia ⓘ

linked to: Atlantic coastal plain

Gulf Coastal Plain → partOf → Atlantic and Gulf Coastal Plain system ⓘ

linked to: Atlantic coastal plain

Beaufort County, South Carolina → hasCoastline → Atlantic coastal plain ⓘ

Camp Geiger → isOn → Atlantic coastal plain of North Carolina ⓘ

linked to: Atlantic coastal plain

Port Royal, South Carolina → region → Atlantic coastal plain ⓘ

Elizabeth, New Jersey, United States → locatedOn → Atlantic coastal plain ⓘ

Piedmont Plateau → borders → Atlantic Coastal Plain ⓘ

linked to: Atlantic coastal plain

Tidewater region → partOf → Coastal Plain of Virginia ⓘ

linked to: Atlantic coastal plain

Delmarva Peninsula → partOf → Atlantic Coastal Plain ⓘ

linked to: Atlantic coastal plain

Calvert Cliffs → region → Atlantic Coastal Plain ⓘ

linked to: Atlantic coastal plain

Carolinas → containsRegion → Coastal Plain ⓘ

linked to: Atlantic coastal plain

Piedmont region of Virginia → locatedBetween → Atlantic Coastal Plain ⓘ

linked to: Atlantic coastal plain

Piedmont region of Virginia → borders → Coastal Plain of Virginia ⓘ

linked to: Atlantic coastal plain

Mattawoman Natural Environmental Area → ecoregion → Atlantic Coastal Plain ⓘ

linked to: Atlantic coastal plain

Henry County, Alabama → isInPhysiographicRegion → Atlantic coastal plain ⓘ

Waycross, Georgia → locatedOn → Atlantic Coastal Plain ⓘ

linked to: Atlantic coastal plain

Northern Neck → partOf → Virginia’s Coastal Plain ⓘ

linked to: Atlantic coastal plain

Lattingtown → locatedIn → Atlantic coastal plain ⓘ

Pine Barrens → partOf → Atlantic coastal plain ⓘ

Santa Fe River → ecoregion → Southeastern Coastal Plain ⓘ

linked to: Atlantic coastal plain

All labels observed (55)

How this entity was disambiguated Show

Statements (60)

How these facts were elicited Show

Referenced by (334)

How this entity was disambiguated

How these facts were elicited