University of Minnesota

University of Minnesota Lake API

The lake API from University of Minnesota — 6 operation(s) for lake.

GitHub OpenAPI

Operations 7

GET /lake-mn/search Get Search Lake #
POST /lake-mn/search Post Search Lake #
GET /lake-mn/{lake_id}/object/{lake_quality_object_id}/stats Get Lake Stats #
GET /lake-mn/{lake_id}/object/{lake_quality_object_id}/raster Get Lake Data #
GET /lake-mn/{id}/catchment Get Catchment #
GET /lake-mn/{id}/geometry Get Lake Geometry #
GET /lake-mn/{id} Get Lake #

Documentation

📖
Documentation
https://gems.umn.edu/gems-exchange-apis
📖
APIReference
https://exchange-1.gems.msi.umn.edu/soil/v2/docs
📖
Documentation
https://github.com/UMNLibraries/digital_collection_apis

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/university-of-minnesota/refs/heads/main/openapi/university-of-minnesota-lake-api-openapi.yml

Schemas & Data

📊
JSONSchema
https://raw.githubusercontent.com/api-evangelist/university-of-minnesota/refs/heads/main/json-schema/university-of-minnesota-gems-exchange-schemas.json
📊
JSONSchema
https://raw.githubusercontent.com/api-evangelist/university-of-minnesota/refs/heads/main/json-schema/university-of-minnesota-umedia-item.json

Other Resources

🔗
Signup
https://exchange-1.gems.msi.umn.edu/portal/home
🔗
GitHub
https://github.com/GEMS-UMN/Exchange-Notebooks
🔗
GitHub
https://github.com/UMNLibraries/digital_collection_apis

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OpenAPI Specification

university-of-minnesota-lake-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: hydro Lake API
  description: Hydrological Datasets
  contact:
    name: GEMS
    url: https://gems.umn.edu/exchange
    email: gemssupport@umn.edu
  version: '2.0'
servers:
- url: /hydro/v2
tags:
- name: lake
paths:
  /lake-mn/search:
    get:
      tags:
      - lake
      summary: Get Search Lake
      description: Find metadata for lakes that intersect search geometry.
      operationId: get_search_lake_lake_mn_search_get
      parameters:
      - name: bbox
        in: query
        required: true
        schema:
          anyOf:
          - type: string
            pattern: ^-?\d+(\.\d+)?,-?\d+(\.\d+)?,-?\d+(\.\d+)?,-?\d+(\.\d+)?$
          - type: 'null'
          description: 'Bounding box filter. Format: minx,miny,maxx,maxy'
          title: Bbox
        description: 'Bounding box filter. Format: minx,miny,maxx,maxy'
        example: -97.2,43.4,-89.4,49.3
      - name: lake_name
        in: query
        required: false
        schema:
          anyOf:
          - type: string
          - type: 'null'
          description: Search string for name of target lake.
          title: Lake Name
        description: Search string for name of target lake.
        example: Mille Lacs
      - name: offset
        in: query
        required: false
        schema:
          anyOf:
          - type: integer
          - type: 'null'
          description: Result number offset. Use with 'limit' parameter to obtain all results.
          default: 0
          title: Offset
        description: Result number offset. Use with 'limit' parameter to obtain all results.
      - name: limit
        in: query
        required: false
        schema:
          anyOf:
          - type: integer
            maximum: 300
          - type: 'null'
          description: 'Pagination: maximum number of returned objects.'
          default: 100
          title: Limit
        description: 'Pagination: maximum number of returned objects.'
      - name: apikey
        in: header
        required: false
        schema:
          anyOf:
          - type: string
          - type: 'null'
          title: apikey
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/LakeOut'
                title: Response Get Search Lake Lake Mn Search Get
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
    post:
      tags:
      - lake
      summary: Post Search Lake
      description: Find metadata for lakes that intersect search geometry.
      operationId: post_search_lake_lake_mn_search_post
      parameters:
      - name: lake_name
        in: query
        required: false
        schema:
          anyOf:
          - type: string
          - type: 'null'
          description: Search string for name of target lake.
          title: Lake Name
        description: Search string for name of target lake.
        example: Mille Lacs
      - name: offset
        in: query
        required: false
        schema:
          anyOf:
          - type: integer
          - type: 'null'
          description: Result number offset. Use with 'limit' parameter to obtain all results.
          default: 0
          title: Offset
        description: Result number offset. Use with 'limit' parameter to obtain all results.
      - name: limit
        in: query
        required: false
        schema:
          anyOf:
          - type: integer
            maximum: 300
          - type: 'null'
          description: 'Pagination: maximum number of returned objects.'
          default: 100
          title: Limit
        description: 'Pagination: maximum number of returned objects.'
      - name: apikey
        in: header
        required: false
        schema:
          anyOf:
          - type: string
          - type: 'null'
          title: apikey
      requestBody:
        required: true
        content:
          application/json:
            schema:
              anyOf:
              - type: object
                additionalProperties: true
                example:
                  type: MultiPolygon
                  coordinates:
                  - - - - -93.56866141384278
                        - 48.27239561689682
                      - - -93.74651022075412
                        - 47.95575515478085
                      - - -93.26113118522528
                        - 47.49466006006172
                      - - -91.31961504310993
                        - 47.46961968985513
                      - - -90.98985371362852
                        - 47.756863557224186
                      - - -91.54933641870373
                        - 48.14894016189724
                      - - -93.56866141384278
                        - 48.27239561689682
              - type: object
                additionalProperties: true
                example:
                  type: Polygon
                  coordinates:
                  - - - -93.56866141384278
                      - 48.27239561689682
                    - - -93.74651022075412
                      - 47.95575515478085
                    - - -93.26113118522528
                      - 47.49466006006172
                    - - -91.31961504310993
                      - 47.46961968985513
                    - - -90.98985371362852
                      - 47.756863557224186
                    - - -91.54933641870373
                      - 48.14894016189724
                    - - -93.56866141384278
                      - 48.27239561689682
              - type: object
                additionalProperties: true
                example:
                  type: Point
                  coordinates:
                  - 0
                  - 0
              title: Geojson
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/LakeOut'
                title: Response Post Search Lake Lake Mn Search Post
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
  /lake-mn/{lake_id}/object/{lake_quality_object_id}/stats:
    get:
      tags:
      - lake
      summary: Get Lake Stats
      description: Get object stats for lake and object of interest.
      operationId: get_lake_stats_lake_mn__lake_id__object__lake_quality_object_id__stats_get
      parameters:
      - name: lake_id
        in: path
        required: true
        schema:
          type: string
          description: Lake ID. Can be obtained from lake search endpoints.
          title: Lake Id
        description: Lake ID. Can be obtained from lake search endpoints.
        example: '48000200'
      - name: lake_quality_object_id
        in: path
        required: true
        schema:
          type: integer
          description: Object ID from lake-quality dataset. Can be obtained from lake-quality search endpoints.
          title: Lake Quality Object Id
        description: Object ID from lake-quality dataset. Can be obtained from lake-quality search endpoints.
      - name: apikey
        in: header
        required: false
        schema:
          anyOf:
          - type: string
          - type: 'null'
          title: apikey
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                anyOf:
                - $ref: '#/components/schemas/StatsOut'
                - type: 'null'
                title: Response Get Lake Stats Lake Mn  Lake Id  Object  Lake Quality Object Id  Stats Get
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
  /lake-mn/{lake_id}/object/{lake_quality_object_id}/raster:
    get:
      tags:
      - lake
      summary: Get Lake Data
      description: Get object raster for lake and object of interest.
      operationId: get_lake_data_lake_mn__lake_id__object__lake_quality_object_id__raster_get
      parameters:
      - name: lake_id
        in: path
        required: true
        schema:
          type: string
          description: Lake ID. Can be obtained from lake search endpoints.
          title: Lake Id
        description: Lake ID. Can be obtained from lake search endpoints.
        example: '48000200'
      - name: lake_quality_object_id
        in: path
        required: true
        schema:
          type: integer
          description: Object ID. Can be obtained using object and layer search endpoints.
          title: Lake Quality Object Id
        description: Object ID. Can be obtained using object and layer search endpoints.
        example: 4
      - name: compress
        in: query
        required: false
        schema:
          anyOf:
          - $ref: '#/components/schemas/CompressEnum'
          - type: 'null'
          default: LZW
          title: Compress
      - name: apikey
        in: header
        required: false
        schema:
          anyOf:
          - type: string
          - type: 'null'
          title: apikey
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema: {}
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
  /lake-mn/{id}/catchment:
    get:
      tags:
      - lake
      summary: Get Catchment
      description: Get catchment metadata for the catchment containing the lake of interest.
      operationId: get_catchment_lake_mn__id__catchment_get
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
          description: Lake ID. Can be obtained from lake search endpoints.
          title: Id
        description: Lake ID. Can be obtained from lake search endpoints.
        example: '48000200'
      - name: apikey
        in: header
        required: false
        schema:
          anyOf:
          - type: string
          - type: 'null'
          title: apikey
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                anyOf:
                - $ref: '#/components/schemas/CatchmentOut09'
                - type: 'null'
                title: Response Get Catchment Lake Mn  Id  Catchment Get
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
  /lake-mn/{id}/geometry:
    get:
      tags:
      - lake
      summary: Get Lake Geometry
      description: Get geometry for lake of interest.
      operationId: get_lake_geometry_lake_mn__id__geometry_get
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
          description: Lake ID. Can be obtained from lake search endpoints.
          title: Id
        description: Lake ID. Can be obtained from lake search endpoints.
        example: '48000200'
      - name: apikey
        in: header
        required: false
        schema:
          anyOf:
          - type: string
          - type: 'null'
          title: apikey
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema: {}
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
  /lake-mn/{id}:
    get:
      tags:
      - lake
      summary: Get Lake
      description: Get lake metadata for lake of interest.
      operationId: get_lake_lake_mn__id__get
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
          description: Lake ID. Can be obtained from lake search endpoints.
          title: Id
        description: Lake ID. Can be obtained from lake search endpoints.
        example: '48000200'
      - name: apikey
        in: header
        required: false
        schema:
          anyOf:
          - type: string
          - type: 'null'
          title: apikey
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/LakeOut'
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
components:
  schemas:
    ValidationError:
      properties:
        loc:
          items:
            anyOf:
            - type: string
            - type: integer
          type: array
          title: Location
        msg:
          type: string
          title: Message
        type:
          type: string
          title: Error Type
      type: object
      required:
      - loc
      - msg
      - type
      title: ValidationError
    CompressEnum:
      type: string
      enum:
      - DEFLATE9
      - LZW
      - NONE
      title: CompressEnum
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: '#/components/schemas/ValidationError'
          type: array
          title: Detail
      type: object
      title: HTTPValidationError
    LakeOut:
      properties:
        id:
          type: string
          title: Id
        name:
          type: string
          title: Name
        acres:
          type: number
          title: Acres
      type: object
      required:
      - id
      - name
      - acres
      title: LakeOut
    StatsOut:
      properties:
        count:
          type: integer
          title: Count
        sum:
          anyOf:
          - type: number
          - type: 'null'
          title: Sum
        mean:
          anyOf:
          - type: number
          - type: 'null'
          title: Mean
        stddev:
          anyOf:
          - type: number
          - type: 'null'
          title: Stddev
        min:
          anyOf:
          - type: number
          - type: 'null'
          title: Min
        max:
          anyOf:
          - type: number
          - type: 'null'
          title: Max
      type: object
      required:
      - count
      - sum
      - mean
      - stddev
      - min
      - max
      title: StatsOut
    CatchmentOut09:
      properties:
        id:
          type: string
          title: Id
        lake_id:
          anyOf:
          - type: string
          - type: 'null'
          title: Lake Id
        catch_type:
          type: string
          title: Catch Type
        catch_pos:
          type: string
          title: Catch Pos
        down_cat:
          type: string
          title: Down Cat
        upadj_cat:
          type: string
          title: Upadj Cat
        huc12_id:
          type: string
          title: Huc12 Id
        acres:
          type: number
          title: Acres
        perim_ft:
          type: number
          title: Perim Ft
        upsum_ac:
          type: number
          title: Upsum Ac
        upsum_sqmi:
          type: number
          title: Upsum Sqmi
        depth:
          anyOf:
          - type: integer
          - type: 'null'
          title: Depth
        maj:
          type: integer
          title: Maj
        l_pw_ratio:
          type: number
          title: L Pw Ratio
        pw_ac:
          type: number
          title: Pw Ac
        nwi_ac:
          type: number
          title: Nwi Ac
        dca_ratio:
          type: integer
          title: Dca Ratio
        total_rati:
          type: integer
          title: Total Rati
        lk_ratio:
          type: integer
          title: Lk Ratio
        sto_ratio:
          type: integer
          title: Sto Ratio
      type: object
      required:
      - id
      - lake_id
      - catch_type
      - catch_pos
      - down_cat
      - upadj_cat
      - huc12_id
      - acres
      - perim_ft
      - upsum_ac
      - upsum_sqmi
      - depth
      - maj
      - l_pw_ratio
      - pw_ac
      - nwi_ac
      - dca_ratio
      - total_rati
      - lk_ratio
      - sto_ratio
      title: CatchmentOut09