Antarctica Topo50 Antarctic Data - Page 3

A closed depression formation forming a closed loop and representing an area of lower ground of less than the vertical interval.

Data Dictionary for depform_edge: docs.topo.linz.govt.nz/data-dictionary/tdd-class-d...

This layer is a component of the Ant50 map series. This is the topographic mapping carried out at 1:50,000 scale by LINZ within the Ross Dependency, Antarctica.

A naturally formed, subterranean open area or chamber.

Data Dictionary for cave_pnt: docs.topo.linz.govt.nz/data-dictionary/tdd-class-c...

This layer is a component of the Ant50 map series. This is the topographic mapping carried out at 1:50,000 scale by LINZ within the Ross Dependency, Antarctica.

Meltwater_stream; a flow of water that is supplied by melting glacier ice; a "glacial stream" often grayish-white in colour because of the "rock flour"resulting from glacial erosion.

Data Dictionary for melt_stream_cl: docs.topo.linz.govt.nz/data-dictionary/tdd-class-m...

This layer is a component of the Ant50 map series. This is the topographic mapping carried out at 1:50,000 scale by LINZ within the Ross Dependency, Antarctica.

Low point or opening between hills or mountains

Data Dictionary for saddle_pnt: docs.topo.linz.govt.nz/data-dictionary/tdd-class-s...

This layer is a component of the Ant50 map series. This is the topographic mapping carried out at 1:50,000 scale by LINZ within the Ross Dependency, Antarctica.

A height above a vertical datum, represented on a map by a dot locator with the elevation printed beside the dot. Unlike trigonometrical stations, spot heights are not identifiable on the ground

Data Dictionary for height_pnt: docs.topo.linz.govt.nz/data-dictionary/tdd-class-h...

This layer is a component of the Ant50 map series. This is the topographic mapping carried out at 1:50,000 scale by LINZ within the Ross Dependency, Antarctica.

Large area of permanent sea ice.

Data Dictionary for ice_shelf_poly: docs.topo.linz.govt.nz/data-dictionary/tdd-class-i...

This layer is a component of the Ant50 map series. This is the topographic mapping carried out at 1:50,000 scale by LINZ within the Ross Dependency, Antarctica.

Sand: crushed rock, shells etc smaller than 2mm in size

Data Dictionary for sand_poly: docs.topo.linz.govt.nz/data-dictionary/tdd-class-s...

This layer is a component of the Ant50 map series. This is the topographic mapping carried out at 1:50,000 scale by LINZ within the Ross Dependency, Antarctica.

Ice cliff edge; any vertical wall of ice eg. a very steep surface bounding a glacier or mass of shelf ice; the cliffed edge of an ice sheet or glacier on a land surface or the cliffs at the seaward floating edge of a glacier or ice shelf.

Data Dictionary for ice_cliff_edge: docs.topo.linz.govt.nz/data-dictionary/tdd-class-i...

This layer is a component of the Ant50 map series. This is the topographic mapping carried out at 1:50,000 scale by LINZ within the Ross Dependency, Antarctica.

Glacial lake boundary; a lake fed by meltwater, or forming in glacier ice because of differential melting, or one confined by a morainal dam, or held in a bedrock basin produced by glacial erosion.

Data Dictionary for glacial_lake_poly: docs.topo.linz.govt.nz/data-dictionary/tdd-class-g...

This layer is a component of the Ant50 map series. This is the topographic mapping carried out at 1:50,000 scale by LINZ within the Ross Dependency, Antarctica.

A relatively permanent walled and roofed construction.

Data Dictionary for building_pnt: docs.topo.linz.govt.nz/data-dictionary/tdd-class-b...

This layer is a component of the Ant50 map series. This is the topographic mapping carried out at 1:50,000 scale by LINZ within the Ross Dependency, Antarctica.