This document explains the Timestamps Extension to the Field Boundaries for Agriculture (fiboa) Specification.
Timestamps for the lifetime of a field boundary in the categories:
The properties in the tables below can be used in these parts of fiboa documents:
All properties must be provided in UTC!
| Property Name | Type | Description |
|---|---|---|
| datetime:season_start | datetime | Start of the season |
| datetime:tillage | datetime | Seasonal: Tillage |
| datetime:first_harvest | datetime | Seasonal: First harvest |
| datetime:last_harvest | datetime | Seasonal: Last harvest |
| datetime:season_end | datetime | End of the season |
| Property Name | Type | Description |
|---|---|---|
| datetime:first_determination | datetime | The first time at which the field did exist and was observed |
| determination_datetime | datetime | From fiboa core for completeness - The last time at which the field did exist and was observed |
The extensions assumes that the provided determination timestamps are homogenously captured,
i.e. determination_method applies to all activity-related timestamps above.
Datetimes related to field boundaries that were derived from other sources, e.g. through machine learning from satellite imagery.
| Property Name | Type | Description |
|---|---|---|
| datetime:processed | datetime | Algorithm runtime |
| determination_datetime | datetime | From fiboa core for completeness - Time the source data was measured |
| Property Name | Type | Description |
|---|---|---|
| datetime:planned | datetime | Planning started |
| datetime:introduced | datetime | Field was physically layed out |
| datetime:ceased | datetime | Field is physically not present any longer |
| Property Name | Type | Description |
|---|---|---|
| datetime:created | datetime | Field boundary was added to dataset |
| datetime:updated | datetime | Field boundary was last modified in the dataset |
| datetime:valid_from | datetime | Field boundary in dataset is valid from |
| datetime:valid_until | datetime | Field boundary in dataset is valid until / expires |
| datetime:deleted | datetime | Field boundary has will be (or has been) deleted from the dataset |
See the contributing guideline for more details.