San Joaquin River Basin
E251105
The San Joaquin River Basin is a major watershed in California’s Central Valley that drains the San Joaquin River and its tributaries, supporting extensive agriculture, ecosystems, and communities.
All labels observed (16)
How this entity was disambiguated
This entity first appeared as the object of triple T1189602 — 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.
Target entity: San Joaquin River Basin Context triple: [Merced River, USGSHydrologicUnit, San Joaquin River Basin]
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A.
Sacramento River Basin
The Sacramento River Basin is a major watershed in Northern California that drains the Sacramento River and its tributaries, supporting extensive agriculture, ecosystems, and water supply for the region.
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B.
San Joaquin River
The San Joaquin River is a major river in central California that flows through the San Joaquin Valley and supports extensive agricultural, ecological, and water supply systems before joining the Sacramento–San Joaquin Delta.
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C.
Sacramento River
The Sacramento River is the longest river entirely within California, flowing through the northern part of the state and serving as a major source of water, transportation, and ecological habitat.
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D.
Sacramento River and San Joaquin River
The Sacramento River and San Joaquin River are the two largest rivers in California’s Central Valley, whose combined waters drain much of the state’s interior before flowing into the San Francisco Bay.
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E.
Sacramento–San Joaquin River Delta
The Sacramento–San Joaquin River Delta is a vast inland estuarine network of rivers, channels, and wetlands in Northern California that forms the state’s largest freshwater tidal ecosystem and a critical hub for its water supply and agriculture.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Target entity: San Joaquin River Basin Target entity description: The San Joaquin River Basin is a major watershed in California’s Central Valley that drains the San Joaquin River and its tributaries, supporting extensive agriculture, ecosystems, and communities.
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A.
Sacramento River Basin
The Sacramento River Basin is a major watershed in Northern California that drains the Sacramento River and its tributaries, supporting extensive agriculture, ecosystems, and water supply for the region.
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B.
San Joaquin River
The San Joaquin River is a major river in central California that flows through the San Joaquin Valley and supports extensive agricultural, ecological, and water supply systems before joining the Sacramento–San Joaquin Delta.
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C.
Sacramento River
The Sacramento River is the longest river entirely within California, flowing through the northern part of the state and serving as a major source of water, transportation, and ecological habitat.
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D.
Sacramento River and San Joaquin River
The Sacramento River and San Joaquin River are the two largest rivers in California’s Central Valley, whose combined waters drain much of the state’s interior before flowing into the San Francisco Bay.
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E.
Sacramento–San Joaquin River Delta
The Sacramento–San Joaquin River Delta is a vast inland estuarine network of rivers, channels, and wetlands in Northern California that forms the state’s largest freshwater tidal ecosystem and a critical hub for its water supply and agriculture.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
drainage basin
ⓘ
river basin ⓘ watershed ⓘ |
| climate | Mediterranean climate with hot dry summers and cool wet winters ⓘ |
| contains |
San Joaquin Valley aquifers
ⓘ
floodplains ⓘ riparian habitats ⓘ wetlands ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| drainageTo |
Sacramento–San Joaquin River Delta
ⓘ
surface form:
Sacramento–San Joaquin Delta
San Francisco Bay via the Delta ⓘ |
| drains |
San Joaquin River
ⓘ
San Joaquin River tributaries ⓘ |
| hasEconomicRole | major agricultural production area ⓘ |
| hasEnvironmentalIssue |
groundwater overdraft
ⓘ
habitat loss ⓘ water quality concerns ⓘ |
| hasEnvironmentalRole | supports fish and wildlife habitat ⓘ |
| hasHydrologicProcess |
snowmelt runoff from Sierra Nevada
ⓘ
surface water–groundwater interaction ⓘ |
| hasLandUse |
intensive irrigated agriculture
ⓘ
rangeland ⓘ urban areas ⓘ |
| hasManagementAuthority |
federal water agencies
ⓘ
local irrigation districts ⓘ state water agencies ⓘ |
| hasUse |
fisheries
ⓘ
flood control ⓘ recreation ⓘ |
| hydrologicUnit | part of California’s Central Valley hydrologic system ⓘ |
| isSubjectOf |
environmental restoration programs
ⓘ
water resources planning ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Central Valley ⓘ |
| majorRiver | San Joaquin River ⓘ |
| partOf |
Central Valley watershed system
ⓘ
San Joaquin River Basin self-linksurface differs ⓘ
surface form:
San Joaquin River watershed
|
| regionType | inland watershed ⓘ |
| supports |
agriculture
ⓘ
communities ⓘ ecosystems ⓘ |
| supportsPopulation |
rural communities
ⓘ
urban centers in the Central Valley ⓘ |
| waterSourceFor |
industrial uses
ⓘ
irrigation ⓘ municipal water supply ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Subject: San Joaquin River Basin Description of subject: The San Joaquin River Basin is a major watershed in California’s Central Valley that drains the San Joaquin River and its tributaries, supporting extensive agriculture, ecosystems, and communities.
Referenced by (43)
Full triples — surface form annotated when it differs from this entity's canonical label.