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Carlsen, Tim; Birnbaum, Gerit; Ehrlich, André; Helm, Veit; Jäkel, Evelyn; Schäfer, Michael; Wendisch, Manfred (2020): Hemispherical-directional reflectance factor (HDRF) of snow surfaces retrieved from airborne camera measurements in Antarctica during austral summer in 2013/14 (flight ANT_1401054002) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.921706, In: Carlsen, T et al. (2020): Hemispherical-directional reflectance factor (HDRF) of snow surfaces retrieved from airborne camera measurements in Antarctica during austral summer in 2013/14 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.921707

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Keyword(s):
anisotropy; BRDF; camera observations; HDRF; reflectance; remote sensing; snow; snow grain size; snow surface roughness
Project(s):
Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas (SPP1158)
Funding:
German Research Foundation (DFG), grant/award no. 5472008: Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas
Coverage:
Median Latitude: -75.359797 * Median Longitude: -6.217765 * South-bound Latitude: -76.079247 * West-bound Longitude: -9.954421 * North-bound Latitude: -74.959464 * East-bound Longitude: 0.322952
Date/Time Start: 2014-01-05T11:01:00 * Date/Time End: 2014-01-05T15:20:00
Minimum HEIGHT above ground: 114.1517067 m * Maximum HEIGHT above ground: 202.7945800 m
Event(s):
ANT_1401054002 * Latitude Start: -75.001000 * Longitude Start: 0.061960 * Latitude End: -75.000970 * Longitude End: 0.061910 * Date/Time Start: 2014-01-05T11:01:00 * Date/Time End: 2014-01-05T15:20:00 * Campaign: ANT_2013/14 (P6-189_ANTR_2013_2014, VELMAP_2013, FIL2013) * Basis: POLAR 6 * Method/Device: Aircraft (AC)
Comment:
Missing data: -9.0
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Date/Time of eventDate/Time
2Time in secondsTimesCarlsen, Timsecond of day
3LONGITUDELongitudeCarlsen, TimInternal Navigation SystemGeocode
4LATITUDELatitudeCarlsen, TimInternal Navigation SystemGeocode
5HEIGHT above groundHeightmCarlsen, TimInternal Navigation SystemGeocode
6Surface elevationSurf elevmHelm, VeitAirborne Laserscanner (ALS) RIEGL VQ580
7Aircraft velocityAircraft velm/sCarlsen, Tim
8Footprint sizeFootprintmCarlsen, TimCalculatedradius of disc in m
9FlagFlagCarlsen, Timaircraft attitude (0=okay, 1=do not use)
10Solar zenith angleSZAdegCarlsen, TimCalculated
11Specific surface area, snowSSA snowm2/kgCarlsen, TimSpectral modular airborne radiation measurement system (SMART)
12Surface roughnessRoughnessmHelm, VeitAirborne Laserscanner (ALS) RIEGL VQ580
13Weight functionWeightCarlsen, TimDigital cameraf_iso Channel 0 (602 nm)
14Weight functionWeightCarlsen, TimDigital cameraf_vol Channel 0 (602 nm)
15Weight functionWeightCarlsen, TimDigital cameraf_geo Channel 0 (602 nm)
16Root mean square errorRMSCarlsen, TimCalculatedRMSE Channel 0 (602 nm)
17Weight of determinationWoDCarlsen, TimCalculatedWoD f_iso Channel 0 (602 nm)
18Weight of determinationWoDCarlsen, TimCalculatedWoD f_vol Channel 0 (602 nm)
19Weight of determinationWoDCarlsen, TimCalculatedWoD f_geo Channel 0 (602 nm)
20Weight functionWeightCarlsen, TimDigital cameraf_iso Channel 1 (538 nm)
21Weight functionWeightCarlsen, TimDigital cameraf_vol Channel 1 (538 nm)
22Weight functionWeightCarlsen, TimDigital cameraf_geo Channel 1 (538 nm)
23Root mean square errorRMSCarlsen, TimCalculatedRMSE Channel 1 (538 nm)
24Weight of determinationWoDCarlsen, TimCalculatedWoD f_iso Channel 1 (538 nm)
25Weight of determinationWoDCarlsen, TimCalculatedWoD f_vol Channel 1 (538 nm)
26Weight of determinationWoDCarlsen, TimCalculatedWoD f_geo Channel 1 (538 nm)
27Weight functionWeightCarlsen, TimDigital cameraf_iso Channel 2 (470 nm)
28Weight functionWeightCarlsen, TimDigital cameraf_vol Channel 2 (470 nm)
29Weight functionWeightCarlsen, TimDigital cameraf_geo Channel 2 (470 nm)
30Root mean square errorRMSCarlsen, TimCalculatedRMSE Channel 2 (470 nm)
31Weight of determinationWoDCarlsen, TimCalculatedWoD f_iso Channel 2 (470 nm)
32Weight of determinationWoDCarlsen, TimCalculatedWoD f_vol Channel 2 (470 nm)
33Weight of determinationWoDCarlsen, TimCalculatedWoD f_geo Channel 2 (470 nm)
34Number of observationsNOBS#Carlsen, TimHDRF pictures used for averaging
35Number of observationsNOBS#Carlsen, TimSSA measurements used for averaging
36Number of observationsNOBS#Carlsen, TimALS measurements used for averaging
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
14368 data points

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