Alhambra Creek
E465184
Alhambra Creek is a small urban waterway running through Martinez in Contra Costa County, California, known for its role in local flood control and habitat restoration efforts.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Alhambra Creek canonical | 1 |
Statements (35)
| Predicate | Object |
|---|---|
| instanceOf |
creek
ⓘ
urban waterway ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| conservationActivity |
bank stabilization
ⓘ
fish passage improvement ⓘ native vegetation planting ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| environmentalIssue |
flooding risk
ⓘ
urban runoff pollution ⓘ |
| flowsInto | Carquinez Strait NERFINISHED ⓘ |
| hasEcosystem | riparian habitat ⓘ |
| hasFeature |
concrete-lined channel segments
ⓘ
naturalized channel segments ⓘ |
| hasWildlife |
beaver
ⓘ
riparian birds ⓘ salmon ⓘ steelhead trout ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Contra Costa County, California NERFINISHED ⓘ Martinez, California NERFINISHED ⓘ San Francisco Bay Area ⓘ |
| managedBy |
City of Martinez
NERFINISHED
ⓘ
Contra Costa County agencies ⓘ |
| mouthLocation | Martinez, California NERFINISHED ⓘ |
| notableFor |
local flood control role
ⓘ
urban habitat restoration ⓘ |
| partOf | Alhambra Creek watershed NERFINISHED ⓘ |
| passesThrough | downtown Martinez ⓘ |
| region | Northern California ⓘ |
| subjectOf |
flood mitigation projects
ⓘ
habitat restoration projects ⓘ |
| usedFor |
flood control
ⓘ
habitat restoration ⓘ urban drainage ⓘ |
| watercourseType | perennial stream ⓘ |
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: Alhambra Creek Description of subject: Alhambra Creek is a small urban waterway running through Martinez in Contra Costa County, California, known for its role in local flood control and habitat restoration efforts.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.