Table 2 Metadata Format Summary.

CentroidLat

Decimal Degrees

True

Polygon centroid latitude in EPSG:4326, round off to 5 decimal places

CentroidLon

Decimal Degrees

True

Polygon centroid longitude in EPSG:4326, round off to 5 decimal places

RegionName

String

True

Name of the geographical region

CreatorLab

String

True

Data creator and associated organization

BaseMapDate

String

True

Date of base map used for RTS delineation in YYYY-MM-DD for a single date, range of dates should be separated by a comma

BaseMapSource

String

True

Name of the satellite sensor used for RTS digitisation

BaseMapResolution

Number

True

Resolution of the imagery used for RTS digitisation (meters)

TrainClass

String

True

‘Positive’ for genuine RTS and ‘Negative’ for background

LabelType

String

True

Type of digitisation, e.g. ‘Polygon’, ‘BoundingBox’

MergedRTS

String

Auto-Generated

UIDs of intersecting RTS that merged into one RTS

SplitRTS

String

Auto-Generated

UID of RTS that split into multiple RTS

NewRTS

String

Auto-Generated

UIDs of intersecting RTS that formed on top of a stabilized RTS scar

StabilizedRTS

String

Auto-Generated

UIDs of intersecting stabilized RTS scars

UnknownRelationship

String

Auto-Generated

UIDs of intersecting RTS with unknown relationship

ContributionDate

String

Auto-Generated

Date of contribution to the ARTS main file in YYYY-MM-DD

UID

36-character alphanumeric string

Auto-Generated

Unique identifier generated using uuid5 by concatenating all ‘Required-True’ fields as a single string

CustomColumn1 (e.g. Area)

Custom (e.g. Number)

Optional

e.g. Area of the RTS polygon in km²

CustomColumn2 (e.g. State)

Custom (e.g. String)

Optional

e.g. Active state of the RTS polygon