Feature Type Name
Ice front
Synonyms
Definition
The vertical cliff forming the seaward face of an ice shelf or other floating glacier, varying in height to 2 to 50 m above sea level.
Comments
Table Name
FRONT
Australia's Implementation Table Names
- FRONT_10M_PS_LN
- FRONT_1M_LN
- FRONT_LN
- FRONT_10M_GG_LN
- FRONT_1M_ADD_GG_LN
- FRONT_1M_ADD_PS_LN
The following have been used in the definition of this feature type
- Armstrong, T., Roberts, B. and Swithinbank, C. - Illustrated Glossary of Snow and Ice, Cambridge Press for Scott Polar Research Institute, 1966
The following have been used in categorising this feature type
| Code |
Name |
Definition |
|
Data type |
Values |
UoM |
Used by these Feature Types |
| 1029 |
Certainty |
Undoubted fact |
Mandatory |
character(50) |
| label |
Definition |
| Approximate |
In the data capture process the feature was evident but its location was not entirely clear |
| Connector |
A line that is introduced for data completeness, e.g. a line used to close polygons, to represent missing data or data that is not visible. |
| Definite |
High level of confidence that the feature is correctly located. |
| Inferred |
In the data capture process the feature was not evident but the location of the feature was inferred |
| Interpolated |
The location of the feature was determined by interpolation |
| Unknown |
|
|
|
Types
|
| 1042 |
Dataset_Id |
An unique identifier of the dataset the feature belongs to |
Mandatory |
number(4) |
|
|
Types
|
| 1045 |
Date_Capture |
The date the feature was captured |
Mandatory |
date |
|
|
Types
|
| 1249 |
Date_Flag |
The type of date been stored, i.e.whether the date is approximate or definite, and for which component of the date is approximate or definite. Also includes seasons |
Mandatory |
character(50) |
| label |
Definition |
| Appoximate day in a known month and year |
|
| Approximate month in a known year |
The entry must be a full date, e.g. 1/1/2002, but only the month and year are valid. |
| Approximate season of a known year |
The season must be an Antarctic summer, autumn, winter or spring season. Enter season date with the approximate date of the middle of the season. Eg for spring 2002, enter as 15/10/2002. |
| Approximate year |
The entry must be a full date, e.g. 1/1/2002, but only the year is valid. |
| Definite day, month and year |
|
| Definite month and year |
The entry must be a full date, e.g. 1/1/2002, but only the month and year are valid. |
| Definite season and year |
The season must be an Antarctic summer, autumn, winter or spring season. Enter season date with the approximate date of the middle of the season. Eg for spring 2002, enter as 15/10/2002. |
| Definite year |
The entry must be a full date, e.g. 1/1/2002, but only the year is valid. |
| Pre year |
The entry must be a full date, e.g. 1/1/2002, but only the year is valid. The data was sourced before the year listed. |
| Unknown |
Value indicating that an attribute is not applicable or that it is impossible to determine |
|
|
Types
|
| 1049 |
Date_Val |
The time when an event happens or is to happen |
Mandatory |
date |
|
|
Types
|
| 1085 |
Front_Type |
|
Mandatory |
character(50) |
| label |
Definition |
| Glacier |
A mass of snow and ice continuously moving from higher to lower ground or, if afloat, continuously spreading. |
| Other |
|
| Shelf |
A floating ice sheet of considerable thickness attached to a coast. Ice shelves are usualy of great horizontal extent and have a level or gently undulating surface. They are nourished by the accumulation of snow and often by seaward extension of land glac |
| Tongue |
A projection of the ice edge up to several km in length caused by wind and current. |
| Unknown |
Value indicating that an attribute is not applicable or that it is impossible to determine |
|
|
Types
|
| 1150 |
Q_Info |
An unique identifier pointing to additional data quality information not included in the metadata record. |
Mandatory |
number(5) |
|
|
Types
|
| 1090 |
SCAR_Gaz_Id |
Reference number as in the SCAR Composite Gazetteer of Antarctica |
Mandatory |
number(10) |
|
|
Types
|
| 1127 |
SCAR_Name |
A placename name in the SCAR Composite Gazetteer of Antarctica. These names have been contributed by national gazetteers. |
Mandatory |
character(100) |
|
|
Types
|
| 1186 |
Status |
The state or condition of a feature |
Optional |
character(50) |
| label |
Definition |
| Abandoned |
|
| Closed |
|
| Current |
|
| Moved |
|
| Non-preferred |
This dataset has not been superseded but there is another dataset that is the preferred dataset for general use. |
| Operational |
|
| Other |
|
| Proposed |
|
| Removed |
|
| Ruin |
|
| Seasonal |
One or more of the divisions of the year. E.g. summer |
| Superseded |
|
| Under construction |
|
| Unknown |
|
| Year-round |
All of the year |
|
|
Types
|