1. Australian Antarctic Data Centre
2. Discover and Manage Data
3. Records
4. aerial_photo_sea_ice_ISPOL

Description

The Australian Antarctic Division acquired aerial photographs of sea ice from helicopters using a digital Nikon D1X digital camera during the voyage, Alfred Wegener Institute Ice Station Polarstern (ISPOL) voyage 2004/05, 6 Nov 2004 to 19 Jan 2005.

Flights were conducted around the edges of a triangular array of drifting buoys each transmitting GPS location. Flights throughout the experiment show changes in the surface properties (floe size, extent of surface flooding) with time.

See the metadata record 'AAD buoy data collected during ISPOL 2004, Western Weddell Sea' for more information on the ISPOL project.

The Related URLs in this metadata record include the urls of web pages with information about the voyage, urls for requesting for the photographs and urls for downloading information about the photographs.

The ISPOL aerial photographs of sea ice are part of the Australian Antarctic Data Centre's collection of aerial photographs which is described by the metadata record 'The collection of aerial photographs held by the Australian Antarctic Data Centre' with Entry ID: aerial_photo_gis.

The collection can be searched in the Australian Antarctic Data Centre's Aerial Photograph Catalogue - see Related URLs.

Select ISPOL from the Aerial Photography Series picklist.

Preview images of the photos may be viewed using this search.

Digital flight lines and photo centres representing the runs along which the photographs were taken and the centres of the photographs are the basis of the catalogue.

The flight lines and photo centres for ISPOL are available for download as shapefiles - see metadata record ID: aerial_photo_sea_ice_shapefiles.

Quality

The locations of the photographs were collected with a Garmin GPS12, sent to the camera using the NMEA protocol, and embedded in image EXIF tags. The image metadata were the only record of photo centres logged at flight time.

Flying heights are above the WGS84 ellipsoid in metres.

See the EXIF header of an image for the aperture and shutter speed details for that image.

Access

The sets of photographs are not available for download due to combined file size but can be requested via Related URLs.

Information about the photographs and flight lines and photo centres representing the ISPOL photography are available for download via Related URLs.

Temporal Coverages

• Start date: 2004-11-06 - Stop date: 2005-01-19

Spatial Coverages

Science Keywords

• EARTH SCIENCE > SPECTRAL/ENGINEERING > VISIBLE WAVELENGTHS > VISIBLE IMAGERY

Use Constraints

This data set conforms to the CCBY Attribution License (http://creativecommons.org/licenses/by/4.0/).

Please follow instructions listed in the citation reference provided at http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=aerial_photo_sea_ice_ISPOL when using these data.