Citation:

PANGAEA.913193

Name: Ice thickness from the northern catchment region of Greenland's 79 North Glacier, recorded with the airborne AWI UWB radar system
Published: 2020-03-06
Keywords: AWI UWB; ice thickness; North East Greenland; radio-echo sounding

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Abstract:

Ice thickness from the northern catchment region of Greenland's 79 North Glacier, recorded with the airborne AWI UWB radar system

AWI Flight Campaign: P6-211_RESURV79_2018

Region: North East Greenland

Owner/PI: Daniela Jansen (AWI)

Email address of the provider:

daniela.jansen@awi.de

steven.franke@awi.de

Instrument used: AWI UWB (MCoRDS 5)

Firn correction: none applied

Velocity profile: dielectric constant of 3.15 ( c = 1.68914e8 m/s )

Ice Thickness uncertainty:

is the RMS of the the sum of the crossover mean of 29intersections (= 11.2 m) and the error of the dielectric (1%). sqrt( (crossover_mean)^2 + ( (-ice_thickness/2) * 0.01 )^2 )

Method of navigation :

GPS data was acquired by four NovAtel DL-V3 GPS receivers operating at 20Hz

Level of focusing:

focused SAR

Keyword(s):

AWI UWB; ice thickness; North East Greenland; radio-echo sounding

Coverage:

Median Latitude: 79.653688 * Median Longitude: -34.834526 * South-bound Latitude: 78.819809 * West-bound Longitude: -38.579296 * North-bound Latitude: 80.841522 * East-bound Longitude: -28.132866

Date/Time Start: 2018-04-14T11:56:33 * Date/Time End: 2018-04-23T13:36:02

Minimum POINT DISTANCE from start: 0.0 m * Maximum POINT DISTANCE from start: 59904.8 m

Event(s):

P6_211_RESURV79_2018_1804140601 * Latitude Start: 81.596813 * Longitude Start: -16.665481 * Latitude End: 81.596238 * Longitude End: -16.659258 * Date/Time Start: 2018-04-14T09:39:18 * Date/Time End: 2018-04-14T15:05:16 * Location: North Greenland Sea * Campaign: (RESURV79, FINEGIS) * Basis: POLAR 6 * Method/Device: Aircraft (AC)

P6_211_RESURV79_2018_1804150701 * Latitude Start: 81.596809 * Longitude Start: -16.665631 * Latitude End: 81.596176 * Longitude End: -16.659323 * Date/Time Start: 2018-04-15T09:47:03 * Date/Time End: 2018-04-15T15:04:02 * Location: North Greenland Sea * Campaign: (RESURV79, FINEGIS) * Basis: POLAR 6 * Method/Device: Aircraft (AC)

P6_211_RESURV79_2018_1804180901 * Latitude Start: 81.596807 * Longitude Start: -16.665737 * Latitude End: 81.596762 * Longitude End: -16.665465 * Date/Time Start: 2018-04-18T09:09:44 * Date/Time End: 2018-04-18T14:18:43 * Location: North Greenland Sea * Campaign: (RESURV79, FINEGIS) * Basis: POLAR 6 * Method/Device: Aircraft (AC)

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Event label	Event		Jansen, Daniela
2	DATE/TIME	Date/Time		Jansen, Daniela		Geocode – UTC
3	Flight number	Flight		Jansen, Daniela
4	Profile	Profile		Jansen, Daniela		Profile ID in the AWI UWB system
5	Profile	Profile		Jansen, Daniela		Profile ID in the ECHOS/Paradigm system
6	Number	No		Jansen, Daniela		Trace number in a profile
7	LONGITUDE	Longitude		Jansen, Daniela		Geocode
8	LATITUDE	Latitude		Jansen, Daniela		Geocode
9	Two-way traveltime	TWT	ns	Jansen, Daniela		Bed_TWT - Surf_TWT
10	Ice thickness	Ice thick	m	Jansen, Daniela	Ice Thickness Radar (EMR, MCoRDS)	derived from Ice_TWT_ns and the constant velocity profile
11	Ice thickness, uncertainty	Ice thick unc	±	Jansen, Daniela	Ice Thickness Radar (EMR, MCoRDS)	based on the mean crossover deviation and dielectric error of 1%
12	POINT DISTANCE from start	Dist	m	Jansen, Daniela		Geocode – along-track distance of a profile

License:

Licensing unknown: Please contact principal investigator/authors to gain access and request licensing terms (UNKNOWN)

Size:

691971 data points

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