app.gainforest.dwc.measurement

gainforest.earth

Documentation

A measurement, fact, characteristic, or assertion about an occurrence. Multiple measurement records can reference the same occurrence, solving the Simple DwC one-measurement-per-record limitation.

main record

A measurement, fact, characteristic, or assertion about an occurrence. Multiple measurement records can reference the same occurrence, solving the Simple DwC one-measurement-per-record limitation.

Record Key tid Timestamp-based ID

Properties

createdAt string datetime Required

Timestamp of record creation in the ATProto PDS.

measurementAccuracy string Optional

The description of the potential error associated with the measurementValue (e.g., '0.5 cm', '5%').

maxGraphemes: 256 graphemes
measurementDeterminedBy string Optional

Person(s) who determined the measurement. Pipe-delimited for multiple.

maxGraphemes: 512 graphemes
measurementDeterminedDate string Optional

The date the measurement was made. ISO 8601 format.

maxGraphemes: 64 graphemes
measurementID string Optional

An identifier for the measurement. Should be unique within the dataset.

maxGraphemes: 256 graphemes
measurementMethod string Optional

The description of or reference to the method used to determine the measurement (e.g., 'diameter tape at 1.3m height', 'laser rangefinder', 'Bitterlich method').

maxGraphemes: 1024 graphemes
measurementRemarks string Optional

Comments or notes accompanying the measurement.

maxGraphemes: 5000 graphemes
measurementType string Required

The nature of the measurement, fact, characteristic, or assertion (e.g., 'DBH', 'tree height', 'canopy cover', 'tail length', 'body mass', 'soil pH', 'water temperature').

maxGraphemes: 256 graphemes
measurementUnit string Optional

The units for the measurementValue (e.g., 'cm', 'm', 'kg', 'mm', '%', 'degrees Celsius').

maxGraphemes: 64 graphemes
measurementValue string Required

The value of the measurement, fact, characteristic, or assertion (e.g., '45.2', 'present', 'blue').

maxGraphemes: 1024 graphemes
occurrenceID string Optional

The occurrenceID of the linked occurrence record (for cross-system interoperability).

maxGraphemes: 256 graphemes
occurrenceRef string at-uri Required

AT-URI reference to the app.gainforest.dwc.occurrence record this measurement belongs to.

View raw schema 
{
  "key": "tid",
  "type": "record",
  "record": {
    "type": "object",
    "required": [
      "occurrenceRef",
      "measurementType",
      "measurementValue",
      "createdAt"
    ],
    "properties": {
      "createdAt": {
        "type": "string",
        "format": "datetime",
        "description": "Timestamp of record creation in the ATProto PDS."
      },
      "occurrenceID": {
        "type": "string",
        "description": "The occurrenceID of the linked occurrence record (for cross-system interoperability).",
        "maxGraphemes": 256
      },
      "measurementID": {
        "type": "string",
        "description": "An identifier for the measurement. Should be unique within the dataset.",
        "maxGraphemes": 256
      },
      "occurrenceRef": {
        "type": "string",
        "format": "at-uri",
        "description": "AT-URI reference to the app.gainforest.dwc.occurrence record this measurement belongs to."
      },
      "measurementType": {
        "type": "string",
        "description": "The nature of the measurement, fact, characteristic, or assertion (e.g., 'DBH', 'tree height', 'canopy cover', 'tail length', 'body mass', 'soil pH', 'water temperature').",
        "maxGraphemes": 256
      },
      "measurementUnit": {
        "type": "string",
        "description": "The units for the measurementValue (e.g., 'cm', 'm', 'kg', 'mm', '%', 'degrees Celsius').",
        "maxGraphemes": 64
      },
      "measurementValue": {
        "type": "string",
        "description": "The value of the measurement, fact, characteristic, or assertion (e.g., '45.2', 'present', 'blue').",
        "maxGraphemes": 1024
      },
      "measurementMethod": {
        "type": "string",
        "description": "The description of or reference to the method used to determine the measurement (e.g., 'diameter tape at 1.3m height', 'laser rangefinder', 'Bitterlich method').",
        "maxGraphemes": 1024
      },
      "measurementRemarks": {
        "type": "string",
        "description": "Comments or notes accompanying the measurement.",
        "maxGraphemes": 5000
      },
      "measurementAccuracy": {
        "type": "string",
        "description": "The description of the potential error associated with the measurementValue (e.g., '0.5 cm', '5%').",
        "maxGraphemes": 256
      },
      "measurementDeterminedBy": {
        "type": "string",
        "description": "Person(s) who determined the measurement. Pipe-delimited for multiple.",
        "maxGraphemes": 512
      },
      "measurementDeterminedDate": {
        "type": "string",
        "description": "The date the measurement was made. ISO 8601 format.",
        "maxGraphemes": 64
      }
    }
  },
  "description": "A measurement, fact, characteristic, or assertion about an occurrence. Multiple measurement records can reference the same occurrence, solving the Simple DwC one-measurement-per-record limitation."
}

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