Gulf Coastal Plain

E93419

coastal plain physiographic region

The Gulf Coastal Plain is a broad, low-lying region of the southern United States characterized by flat to gently rolling terrain, extensive river systems, and proximity to the Gulf of Mexico.

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All labels observed (14)

Label	Occurrences
Gulf Coastal Plain canonical	35
Coastal Plain	4
Gulf Coastal Plain of Mexico	3
Alabama Coastal Plain	1
Gulf Coast Plain	1
Gulf coastal plain	1
Gulf of Mexico coastal plain	1
Southeastern coastal plain ecoregion	1
Texas coastal prairies	1
U.S. Gulf Coastal Plain	1
United States Gulf Coastal Plain	1
United States-Mexico Gulf Coastal Plain	1
West Gulf Coastal Plain region	1
Western Gulf Coastal Plain	1

How this entity was disambiguated

This entity first appeared as the object of triple T781498 — 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: Gulf Coastal Plain
Context triple: [Tennessee River, passesThrough, Gulf Coastal Plain]

A. Atlantic coastal plain
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.
B. 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.
C. Louisiana Gulf Coast
The Louisiana Gulf Coast is a low-lying, wetland-rich shoreline along the Gulf of Mexico known for its vital fisheries, oil and gas infrastructure, and vulnerability to hurricanes and coastal erosion.
D. Mississippi Gulf Coast
The Mississippi Gulf Coast is a stretch of shoreline along the Gulf of Mexico known for its sandy beaches, seafood industry, and tourism-centered coastal communities.
E. Okeechobee Plain
The Okeechobee Plain is a low-lying, marshy region surrounding Lake Okeechobee in southern Florida, historically inhabited by the Mayaimi people and characterized by its wetland ecosystems.
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: Gulf Coastal Plain
Target entity description: The Gulf Coastal Plain is a broad, low-lying region of the southern United States characterized by flat to gently rolling terrain, extensive river systems, and proximity to the Gulf of Mexico.

A. Atlantic coastal plain
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.
B. 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.
C. Louisiana Gulf Coast
The Louisiana Gulf Coast is a low-lying, wetland-rich shoreline along the Gulf of Mexico known for its vital fisheries, oil and gas infrastructure, and vulnerability to hurricanes and coastal erosion.
D. Mississippi Gulf Coast
The Mississippi Gulf Coast is a stretch of shoreline along the Gulf of Mexico known for its sandy beaches, seafood industry, and tourism-centered coastal communities.
E. Okeechobee Plain
The Okeechobee Plain is a low-lying, marshy region surrounding Lake Okeechobee in southern Florida, historically inhabited by the Mayaimi people and characterized by its wetland ecosystems.
F. None of above. chosen

Statements (63)

Predicate	Object
instanceOf	coastal plain ⓘ physiographic region ⓘ
borders	Gulf of Mexico ⓘ
characterizedBy	barrier islands ⓘ coastal wetlands ⓘ estuaries ⓘ extensive river systems ⓘ
climate	humid subtropical ⓘ
containsFeature	Atchafalaya Basin ⓘ Everglades region ⓘ linked to: Everglades Louisiana coastal marshes ⓘ Mississippi River Delta ⓘ linked to: Mississippi River Delta region Texas coastal prairies ⓘ linked to: Gulf Coastal Plain
continent	North America ⓘ
country	United States of America ⓘ
dominantRockAge	Cenozoic ⓘ
drainageTo	Gulf of Mexico ⓘ
economicActivity	agriculture ⓘ forestry ⓘ natural gas production ⓘ petroleum production ⓘ
elevation	low-lying ⓘ
extendsInto	Alabama ⓘ Arkansas ⓘ Delaware ⓘ linked to: Province of Delaware Florida ⓘ Georgia ⓘ Illinois ⓘ Indiana ⓘ Kansas ⓘ Kentucky ⓘ Louisiana ⓘ Maryland ⓘ Mexico ⓘ Mississippi ⓘ Missouri ⓘ New Jersey ⓘ linked to: New Jersey, United States New York ⓘ North Carolina ⓘ Ohio ⓘ Oklahoma ⓘ Pennsylvania ⓘ South Carolina ⓘ Tennessee ⓘ Texas ⓘ Virginia ⓘ Yucatán Peninsula ⓘ
geologicProvinceOf	Gulf of Mexico Basin ⓘ linked to: Gulf of Mexico
geology	sedimentary rocks ⓘ unconsolidated sediments ⓘ
locatedIn	southern United States ⓘ linked to: Southern United States
majorRiverSystem	Apalachicola River ⓘ Brazos River ⓘ Mississippi River ⓘ Mobile River ⓘ Rio Grande ⓘ Trinity River ⓘ
partOf	Atlantic and Gulf Coastal Plain system ⓘ linked to: Atlantic coastal plain
supportsEcosystem	bottomland hardwood forests ⓘ coastal marshes ⓘ pine forests ⓘ
terrain	flat ⓘ gently rolling ⓘ

How these facts were elicited

Referenced by (53)

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

Tennessee River → passesThrough → Gulf Coastal Plain ⓘ

Atlantic coastal plain → stretchesTo → Gulf Coastal Plain ⓘ

Arkansas → hasRegion → Gulf Coastal Plain ⓘ

Escambia County, Alabama → locatedInRegion → Gulf Coastal Plain ⓘ

Eastern Mexico → includesPartOf → Gulf Coastal Plain ⓘ

subject linked to: eastern Mexico

East Bay → locatedOn → Gulf Coastal Plain ⓘ

Cofre de Perote → hasViewOf → Gulf of Mexico coastal plain ⓘ

linked to: Gulf Coastal Plain

Tuscaloosa, Alabama → locatedInPhysiographicRegion → Gulf Coastal Plain ⓘ

East South Central States → containsSubregion → Gulf Coastal Plain ⓘ

Gulf Coastal Plain → containsFeature → Texas coastal prairies ⓘ

linked to: Gulf Coastal Plain

West Tennessee → physiographicProvince → Gulf Coastal Plain ⓘ

Jackson Purchase → physiographicRegion → Gulf Coastal Plain ⓘ

Tattnall County → hasRegionType → Coastal Plain ⓘ

linked to: Gulf Coastal Plain

Cottondale, Florida → locatedInPhysiographicRegion → Gulf Coastal Plain ⓘ

Mobile County → locatedOn → Gulf Coastal Plain ⓘ

Saraland → locatedInPhysiographicRegion → Coastal Plain ⓘ

linked to: Gulf Coastal Plain

Planera aquatica → distribution → Gulf Coastal Plain ⓘ

Lee, Florida → isInPhysiographicRegion → Gulf Coastal Plain ⓘ

Grant Parish, Louisiana → locatedInPhysiographicRegion → Gulf Coastal Plain ⓘ

western Maya lowlands → borders → Gulf coastal plain ⓘ

linked to: Gulf Coastal Plain

Choctawhatchee River → locatedIn → Alabama Coastal Plain ⓘ

linked to: Gulf Coastal Plain

Escambia County, Alabama → locatedInRegion → Gulf Coastal Plain ⓘ

subject linked to: Escambia County

Matamoros, Tamaulipas → locatedIn → Gulf Coastal Plain of Mexico ⓘ

subject linked to: Matamoros

linked to: Gulf Coastal Plain

municipality of Huimanguillo → locatedOn → Gulf Coastal Plain ⓘ

Washington County, Alabama → locatedInRegion → Gulf Coastal Plain ⓘ

subject linked to: Washington County

Wiregrass region → borderedBy → Gulf Coastal Plain ⓘ

Pike County, Mississippi → locatedInPhysiographicRegion → Gulf Coastal Plain ⓘ

Caldwell Parish, Louisiana → locatedInPhysiographicRegion → Gulf Coastal Plain ⓘ

Jackson Parish, Louisiana → locatedInPhysiographicRegion → Gulf Coastal Plain ⓘ

Panola County, Texas → locatedInPhysiographicRegion → Gulf Coastal Plain ⓘ

Brush Country → borderedBy → Gulf Coastal Plain ⓘ

South Texas Plains → borderedBy → Gulf Coastal Plain ⓘ

Tombigbee River → region → Gulf Coastal Plain ⓘ

Los Tuxtlas Biosphere Reserve → region → Gulf Coastal Plain of Mexico ⓘ

linked to: Gulf Coastal Plain

Río Soto la Marina → region → Gulf Coastal Plain of Mexico ⓘ

linked to: Gulf Coastal Plain

San Jacinto River → region → Gulf Coast Plain ⓘ

linked to: Gulf Coastal Plain

Pine Belt region of Mississippi → partOf → Gulf Coastal Plain ⓘ

Tallapoosa River → crosses → Coastal Plain ⓘ

linked to: Gulf Coastal Plain

Bottle Creek Mounds → locatedIn → Gulf Coastal Plain ⓘ

San Augustine County, Texas → locatedInEcoregion → Western Gulf Coastal Plain ⓘ

linked to: Gulf Coastal Plain

Hitchcock, Texas → locatedOn → Gulf Coastal Plain ⓘ

Iowa Colony, Texas → locatedInHydrologicalRegion → Gulf Coastal Plain ⓘ

Florida peninsula transition zone → partOf → Southeastern coastal plain ecoregion ⓘ

linked to: Gulf Coastal Plain

Newton County, Texas → partOf → United States-Mexico Gulf Coastal Plain ⓘ

linked to: Gulf Coastal Plain

Bayou Queue de Tortue → locatedIn → United States Gulf Coastal Plain ⓘ

linked to: Gulf Coastal Plain

Attapulgus, Georgia → locatedInPhysiographicRegion → Coastal Plain ⓘ

linked to: Gulf Coastal Plain

Chenier Plain → partOf → U.S. Gulf Coastal Plain ⓘ

linked to: Gulf Coastal Plain

Pike County, Arkansas → locatedIn → West Gulf Coastal Plain region ⓘ

linked to: Gulf Coastal Plain

Big Thicket National Preserve → region → Gulf Coastal Plain ⓘ

Sopchoppy, Florida → geographicRegion → Gulf Coastal Plain ⓘ

All labels observed (14)

How this entity was disambiguated Show

Statements (63)

How these facts were elicited Show

Referenced by (53)

How this entity was disambiguated

How these facts were elicited