San Lorenzo River watershed
E492499
The San Lorenzo River watershed is a drainage basin in California’s Santa Cruz Mountains that collects rainfall and streamflow feeding the San Lorenzo River and its surrounding ecosystems and communities.
All labels observed (1)
| Label | Occurrences |
|---|---|
| San Lorenzo River watershed canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T5018116 — 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: San Lorenzo River watershed Context triple: [Los Gatos Mountains, drainsTo, San Lorenzo River watershed]
-
A.
San Jorge River basin
The San Jorge River basin is a region in northern Colombia historically inhabited and shaped by the Zenú Indigenous people, known for their advanced hydraulic engineering and rich pre-Columbian culture.
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B.
Arzobispo River basin
The Arzobispo River basin is a watershed in Bogotá that drains part of the city’s Eastern Hills and contributes to its urban hydrological system.
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C.
Abra River basin
The Abra River basin is a major watershed in northern Luzon, Philippines, encompassing the drainage area of the Abra River and supporting surrounding agricultural, ecological, and upland communities.
-
D.
San José River
The San José River is a significant watercourse in Chile’s far northern Arica y Parinacota Region, contributing to the area’s arid Andean and coastal hydrology.
-
E.
Río San Lorenzo
Río San Lorenzo is a river in northwestern Mexico that flows through arid landscapes before emptying into the Gulf of California.
- 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: San Lorenzo River watershed Target entity description: The San Lorenzo River watershed is a drainage basin in California’s Santa Cruz Mountains that collects rainfall and streamflow feeding the San Lorenzo River and its surrounding ecosystems and communities.
-
A.
San Jorge River basin
The San Jorge River basin is a region in northern Colombia historically inhabited and shaped by the Zenú Indigenous people, known for their advanced hydraulic engineering and rich pre-Columbian culture.
-
B.
Arzobispo River basin
The Arzobispo River basin is a watershed in Bogotá that drains part of the city’s Eastern Hills and contributes to its urban hydrological system.
-
C.
Abra River basin
The Abra River basin is a major watershed in northern Luzon, Philippines, encompassing the drainage area of the Abra River and supporting surrounding agricultural, ecological, and upland communities.
-
D.
San José River
The San José River is a significant watercourse in Chile’s far northern Arica y Parinacota Region, contributing to the area’s arid Andean and coastal hydrology.
-
E.
Río San Lorenzo
Río San Lorenzo is a river in northwestern Mexico that flows through arid landscapes before emptying into the Gulf of California.
- F. None of above. chosen
Statements (53)
| Predicate | Object |
|---|---|
| instanceOf |
drainage basin
ⓘ
geographic region ⓘ river watershed ⓘ |
| contains |
Bean Creek
NERFINISHED
ⓘ
Bear Creek NERFINISHED ⓘ Ben Lomond, California NERFINISHED ⓘ Big Basin Redwoods State Park (part) NERFINISHED ⓘ Boulder Creek NERFINISHED ⓘ Boulder Creek, California NERFINISHED ⓘ Branciforte Creek NERFINISHED ⓘ Carbonera Creek NERFINISHED ⓘ Felton NERFINISHED ⓘ Henry Cowell Redwoods State Park NERFINISHED ⓘ Loch Lomond Reservoir NERFINISHED ⓘ Lompico Creek NERFINISHED ⓘ Newell Creek NERFINISHED ⓘ Pasatiempo Creek NERFINISHED ⓘ San Lorenzo River NERFINISHED ⓘ Scotts Valley, California NERFINISHED ⓘ Tannery Gulch NERFINISHED ⓘ Zayante Creek NERFINISHED ⓘ parts of Santa Cruz, California ⓘ |
| drainsInto | San Lorenzo River NERFINISHED ⓘ |
| hasLandCover |
chaparral
ⓘ
mixed evergreen forest ⓘ redwood forest ⓘ urban areas ⓘ |
| hasLandUse |
municipal water supply
ⓘ
recreation ⓘ residential development ⓘ timber production (historical and current in parts) ⓘ |
| hasOutflow | Monterey Bay NERFINISHED ⓘ |
| hasPrimaryRiver | San Lorenzo River NERFINISHED ⓘ |
| hasSpecies |
California red-legged frog
NERFINISHED
ⓘ
coho salmon (remnant or historically present) ⓘ steelhead trout ⓘ western pond turtle ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Santa Cruz County, California NERFINISHED ⓘ Santa Cruz Mountains NERFINISHED ⓘ United States of America ⓘ
surface form:
United States
|
| managedBy |
City of Santa Cruz Water Department (for water supply components)
NERFINISHED
ⓘ
Santa Cruz County (various regulatory roles) NERFINISHED ⓘ |
| partOf | Central Coast hydrologic region of California NERFINISHED ⓘ |
| providesEcosystemService |
drinking water supply for Santa Cruz area
ⓘ
fish habitat ⓘ flood regulation ⓘ recreational opportunities ⓘ |
| terminatesAt | Pacific Ocean NERFINISHED ⓘ |
| threatenedBy |
climate change
ⓘ
sedimentation ⓘ urban development ⓘ water extraction ⓘ |
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.
Instruction
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.
Input
Subject: San Lorenzo River watershed Description of subject: The San Lorenzo River watershed is a drainage basin in California’s Santa Cruz Mountains that collects rainfall and streamflow feeding the San Lorenzo River and its surrounding ecosystems and communities.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Los Gatos Mountains