Data

Radio-echo sounding (RES) ice thickness data and Ice Sheet Surface Elevation data: Enderby-Kemp Lands

Australian Antarctic Division

Allison, I. ; ALLISON, IAN

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ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=info:doi10.4225/15/5aefee7375433&rft.title=Radio-echo sounding (RES) ice thickness data and Ice Sheet Surface Elevation data: Enderby-Kemp Lands&rft.identifier=10.4225/15/5aefee7375433&rft.publisher=Australian Antarctic Data Centre&rft.description=Radio-echo sounding (RES) data from a combined ice thickness and aero-magnetic survey in the 1976/77 and 1979/80 summer seasons.The fields in this dataset are:Mission IDLatitudeLongitudeIce ThicknessSurface ElevationWater Column ThicknessBed ElevationProgress Code: completedStatement: Measurable bottom echoes were recorded for around 75% of the total flight path length of some 8800 km. Ice sheet surface elevations were obtained along a total flight path length of some 8800 km. The ANARE Mk 2 100 MHz ice radar produced peak power of 3 kW with a pulse repetition rate of 10 kHz. The receiver was linear with manual gain control. The radar unit operated from a Pilatus-Porter fixed wing aircraft moving at an average speed of 180 km/hr (100 knot) with flight durations of around 4 hours and sounding height above the terrain typically 150 m. Separate transmit and receive antennas consisted of 1 driven element and 1 director using the aircraft wing as a reflector. Film records were manually scaled approximately every 1 km of flight path for aircraft-surface separation. Signal propagation delay times were converted to ice thicknesses assuming a velocity of 169 m/microsecond with no firn correction. Aneroid barometer readings were logged manually every 1-2 min for aircraft elevations. The data have been checked for consistency with general agreement from ANARE seismic and gravity traverses south of Mawson Station (1957-59) and with crossovers from earlier Soviet Antarctic Expedition (SAE) RES flights in the area. Dead reckoning was adopted using visual landmarks (generally mountains) and a gyroscopic drift sight. A dedicated navigator was used on all flights. Positions were manually written to flight logging sheets and have an accuracy of 1 km or better. An entry of -9999 in the spreadsheet indicates null data.&rft.creator=Allison, I. &rft.creator=ALLISON, IAN &rft.date=1999&rft.coverage=westlimit=48.0; southlimit=-69.0; eastlimit=64.0; northlimit=-66.0&rft.coverage=westlimit=48.0; southlimit=-69.0; eastlimit=64.0; northlimit=-66.0&rft_rights=Raw data were recorded on 35 mm black and white film. 35 mm Black and White film copy (primary data). Spreadsheet ice thicknesses (reduced data). The dataset is publicly available for download at the provided URL.&rft_rights=Attribution 4.0 International (CC BY 4.0) https://creativecommons.org/licenses/by/4.0/legalcode&rft_rights=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=Enderby_Kemp_RES when using these data.&rft_rights=This metadata record is publicly available.&rft_subject=geoscientificInformation&rft_subject=inlandWaters&rft_subject=EARTH SCIENCE > CRYOSPHERE > SNOW/ICE > ICE DEPTH/THICKNESS&rft_subject=ANTARCTICA&rft_subject=BED ELEVATION&rft_subject=BEDMAP&rft_subject=ICE THICKNESS&rft_subject=LATITUDE&rft_subject=LONGITUDE&rft_subject=MISSION ID&rft_subject=RADIO ECHO SOUNDING&rft_subject=RES&rft_subject=SOUTHERN PRINCE CHARLES MOUNTAINS&rft_subject=SURFACE ELEVATION&rft_subject=WATER COLUMN THICKNESS&rft_subject=RADAR ECHO SOUNDERS&rft_subject=Aircraft&rft_subject=AMD/AU&rft_subject=CEOS&rft_subject=AMD&rft_subject=ACE/CRC&rft_subject=CONTINENT > ANTARCTICA&rft_subject=GEOGRAPHIC REGION > POLAR&rft.type=dataset&rft.language=English Access the data

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Attribution 4.0 International (CC BY 4.0)
https://creativecommons.org/licenses/by/4.0/legalcode

Raw data were recorded on 35 mm black and white film. 35 mm Black and White film copy (primary data). Spreadsheet ice thicknesses (reduced data). The dataset is publicly available for download at the provided URL.

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=Enderby_Kemp_RES when using these data.

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Full description

Radio-echo sounding (RES) data from a combined ice thickness and aero-magnetic survey in the 1976/77 and 1979/80 summer seasons.

The fields in this dataset are:

Mission ID
Latitude
Longitude
Ice Thickness
Surface Elevation
Water Column Thickness
Bed Elevation

Lineage

Progress Code: completed

Statement: Measurable bottom echoes were recorded for around 75% of the total flight path length of some 8800 km. Ice sheet surface elevations were obtained along a total flight path length of some 8800 km. The ANARE Mk 2 100 MHz ice radar produced peak power of 3 kW with a pulse repetition rate of 10 kHz. The receiver was linear with manual gain control. The radar unit operated from a Pilatus-Porter fixed wing aircraft moving at an average speed of 180 km/hr (100 knot) with flight durations of around 4 hours and sounding height above the terrain typically 150 m. Separate transmit and receive antennas consisted of 1 driven element and 1 director using the aircraft wing as a reflector. Film records were manually scaled approximately every 1 km of flight path for aircraft-surface separation. Signal propagation delay times were converted to ice thicknesses assuming a velocity of 169 m/microsecond with no firn correction. Aneroid barometer readings were logged manually every 1-2 min for aircraft elevations. The data have been checked for consistency with general agreement from ANARE seismic and gravity traverses south of Mawson Station (1957-59) and with crossovers from earlier Soviet Antarctic Expedition (SAE) RES flights in the area. Dead reckoning was adopted using visual landmarks (generally mountains) and a gyroscopic drift sight. A dedicated navigator was used on all flights. Positions were manually written to flight logging sheets and have an accuracy of 1 km or better. An entry of -9999 in the spreadsheet indicates null data.

Data time period: 1976-11-01 to 1980-02-28