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Jäkel, Evelyn; Becker, Sebastian; Müller, Hanno; Wendisch, Manfred (2023): Collocated broadband surface albedo and surface type fractions aircraft observations during HALO-(AC)3 flight P5_232_HALO_2022_2204071501 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.962995, In: Jäkel, E et al. (2023): Collocated broadband surface albedo and surface type fractions aircraft observations during HALO-(AC)3 2022 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.962996

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Abstract:
During the HALO-(AC)3 campaign conducted in spring 2022, a downward-looking commercial digital cameras equipped with a 180° - fisheye lens was installed on the aircraft Polar 5. The images were used to derive the surface type fractions of snow/white ice, bare ice, melt ponds, and open water. The data set provides collocated broadband surface albedo, nadir brightness temperature, and surface type fractions along selected flight tracks of four flights.
Keyword(s):
Arctic; broadband surface albedo; surface type fraction
Related to:
Jäkel, Evelyn; Becker, Sebastian; Sperzel, Tim R; Niehaus, Hannah; Spreen, Gunnar; Tao, Ran; Nicolaus, Marcel; Dorn, Wolfgang; Rinke, Annette; Brauchle, Jörg; Wendisch, Manfred (2024): Observations and modeling of areal surface albedo and surface types in the Arctic. The Cryosphere, 18(3), 1185-1205, https://doi.org/10.5194/tc-18-1185-2024
Project(s):
Funding:
German Research Foundation (DFG), grant/award no. 268020496: TRR 172: ArctiC Amplification: Climate Relevant Atmospheric and SurfaCe Processes, and Feedback Mechanisms
Coverage:
Median Latitude: 79.805314 * Median Longitude: 1.411332 * South-bound Latitude: 79.727160 * West-bound Longitude: -0.063140 * North-bound Latitude: 79.879130 * East-bound Longitude: 2.844530
Date/Time Start: 2022-04-07T12:05:08 * Date/Time End: 2022-04-07T12:17:46
Event(s):
P5_232_HALO_2022_2204071501 (HALO-AC3_20220407_P5_RF12) * Latitude Start: 78.245770 * Longitude Start: 15.503182 * Latitude End: 78.245681 * Longitude End: 15.503490 * Date/Time Start: 2022-04-07T08:51:36 * Date/Time End: 2022-04-07T13:39:34 * Location: Arctic * Campaign: P5-232_HALO_2022 * Basis: POLAR 5 * Method/Device: Aircraft (AC)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
DATE/TIMEDate/TimeGeocode
AlbedoAlbedo
Short-wave downward (GLOBAL) radiationSWDW/m2
Brightness temperatureTb°C
Snow coverageSnow cov%
Ice coverageIce cov%bare ice
Melt pond coverage on sea iceMelt pond cov%
Open waterOpen water%
Pitch anglePitchdeg
10 Roll angleRolldeg
11 Flight altitudeFlight altitudem
12 LONGITUDELongitudeGeocode
13 LATITUDELatitudeGeocode
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
1020 data points

Data

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Date/Time

Albedo

SWD [W/m2]

Tb [°C]

Snow cov [%]

Ice cov [%]

Melt pond cov [%]

Open water [%]

Pitch [deg]
10 
Roll [deg]
11 
Flight altitude [m]
12 
Longitude
13 
Latitude
2022-04-07T12:05:08.0800.62175.9-13.994.06.000.0-1.1-0.168.3-0.0631479.87913
2022-04-07T12:05:28.1000.55210.1-13.989.910.100.0-0.9-1.264.30.0162879.87566
2022-04-07T12:05:38.1100.41206.9-8.933.761.205.1-0.6-1.564.60.0554779.87396
2022-04-07T12:05:48.0800.53204.7-12.446.753.300.0-1.4-0.259.60.0982679.87206
2022-04-07T12:05:58.0900.93197.7-17.099.01.000.0-1.30.763.50.1339679.87046
2022-04-07T12:06:08.1000.85204.2-16.499.01.000.0-0.50.464.30.1751079.86861
2022-04-07T12:06:18.1000.76197.8-16.491.88.200.0-0.7-0.858.60.2134679.86694
2022-04-07T12:06:28.1100.78214.4-14.477.023.000.0-1.1-1.254.60.2500879.86544
2022-04-07T12:06:38.0800.84201.2-16.9100.00.000.0-1.10.462.00.2886479.86389
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2022-04-07T12:07:08.1100.92167.1-16.7100.00.000.0-0.9-0.864.00.4034979.85919
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2022-04-07T12:07:42.0900.92137.1-17.1100.00.000.0-1.5-0.758.40.5337379.85368
2022-04-07T12:07:46.0900.96135.0-16.9100.00.000.0-1.80.862.10.5520779.85287
2022-04-07T12:07:50.0800.99131.1-17.3100.00.000.0-1.12.566.20.5673279.85217
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2022-04-07T12:08:02.1100.96133.8-17.3100.00.000.0-0.3-1.055.40.6134079.85004
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2022-04-07T12:08:14.0900.90137.5-17.1100.00.000.0-1.41.252.50.6603479.84807
2022-04-07T12:08:18.0900.92133.7-16.5100.00.000.0-0.33.254.50.6758679.84737
2022-04-07T12:08:22.0900.97134.8-17.1100.00.000.0-0.72.151.20.6912279.84662
2022-04-07T12:08:26.0800.95139.1-17.0100.00.000.0-0.90.852.10.7066979.84581
2022-04-07T12:08:30.1100.69150.3-16.849.051.000.0-0.21.451.40.7209079.84503
2022-04-07T12:08:34.1100.50187.4-13.893.86.200.0-0.6-0.651.40.7375179.84409
2022-04-07T12:08:42.1000.48220.1-11.969.031.000.0-1.60.245.90.7675979.84238
2022-04-07T12:08:46.1000.42235.0-12.654.145.900.0-1.90.848.80.7836879.84147
2022-04-07T12:08:50.1000.48262.5-12.686.613.400.0-1.20.153.60.7989679.84058
2022-04-07T12:09:02.0800.80242.7-15.585.015.000.0-0.70.248.70.8446879.83788
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2022-04-07T12:10:06.0900.83256.9-17.2100.00.000.0-0.9-1.657.31.0899779.82293
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2022-04-07T12:10:14.0800.81258.2-17.4100.00.000.0-1.1-0.560.61.1203079.82122
2022-04-07T12:10:18.0800.82246.4-17.4100.00.000.0-1.40.363.71.1354279.82038
2022-04-07T12:10:22.1100.79268.4-17.1100.00.000.0-0.70.168.81.1503279.81956
2022-04-07T12:10:26.1100.76286.1-17.1100.00.000.0-0.33.367.91.1678679.81857
2022-04-07T12:10:30.1000.81248.1-16.9100.00.000.0-0.4-1.265.71.1802979.81784
2022-04-07T12:10:34.1000.84223.7-17.1100.00.000.00.5-1.462.81.1953179.81696
2022-04-07T12:10:38.0900.85235.5-17.1100.00.000.0-0.5-0.656.41.2140379.81587
2022-04-07T12:10:54.0800.87236.9-16.6100.00.000.0-0.7-2.356.21.2751379.81244
2022-04-07T12:10:58.1100.86246.5-16.9100.00.000.0-0.9-0.958.61.2903179.81160
2022-04-07T12:11:02.1100.85261.0-17.1100.00.000.0-1.1-0.360.71.3021879.81096
2022-04-07T12:11:06.1000.83261.9-16.9100.00.000.0-0.7-0.164.81.3204379.80997
2022-04-07T12:11:14.1000.80276.5-16.979.620.400.0-0.5-1.067.11.3477479.80844
2022-04-07T12:11:26.0800.83272.2-17.1100.00.000.0-0.1-2.366.01.3957879.80591
2022-04-07T12:11:30.1100.80259.1-17.2100.00.000.0-0.20.364.11.4087479.80527
2022-04-07T12:11:34.1100.86226.2-17.3100.00.000.00.11.859.41.4276479.80435
2022-04-07T12:11:38.1100.85214.2-17.4100.00.000.00.1-1.053.31.4414379.80363
2022-04-07T12:11:46.1000.73226.6-17.3100.00.000.0-0.5-0.450.81.4720779.80211
2022-04-07T12:11:58.0900.79172.1-17.3100.00.000.0-0.1-0.757.01.5181779.79985
2022-04-07T12:12:06.0800.84163.2-17.6100.00.000.0-0.3-1.253.41.5486779.79835
2022-04-07T12:12:10.1100.85175.1-17.7100.00.000.0-1.51.753.21.5640379.79761
2022-04-07T12:12:14.1100.79196.6-17.3100.00.000.0-1.5-0.659.41.5794179.79684
2022-04-07T12:12:18.1000.79222.4-17.4100.00.000.0-0.10.564.21.5945179.79607
2022-04-07T12:12:22.1000.75207.4-17.498.02.000.0-0.80.761.81.6095779.79528
2022-04-07T12:12:26.0900.72211.8-17.4100.00.000.0-0.1-0.362.21.6244979.79446
2022-04-07T12:12:30.0900.66274.8-17.4100.00.000.0-0.21.261.21.6395779.79363
2022-04-07T12:12:34.0900.77258.7-17.4100.00.000.0-0.30.476.81.6583779.79259
2022-04-07T12:12:38.0800.86252.9-17.294.95.100.00.1-0.158.91.6699879.79190
2022-04-07T12:12:42.0800.83267.4-17.189.910.100.00.21.057.01.6852279.79103
2022-04-07T12:13:02.0900.82287.5-16.6100.00.000.0-0.80.155.21.7642479.78623
2022-04-07T12:13:06.0900.84279.9-16.896.04.000.0-0.6-1.357.31.7766879.78548
2022-04-07T12:13:10.0900.82293.8-16.8100.00.000.0-0.3-1.359.01.7942079.78445
2022-04-07T12:13:14.0800.85288.7-16.7100.00.000.0-0.6-0.360.31.8070379.78371
2022-04-07T12:13:18.0800.85291.4-16.8100.00.000.0-0.3-1.062.11.8243079.78275
2022-04-07T12:13:26.1100.80290.4-16.387.812.200.00.10.460.81.8543379.78110
2022-04-07T12:13:34.1000.86267.3-16.0100.00.000.0-0.5-0.557.11.8846679.77944
2022-04-07T12:13:38.1000.84283.6-16.4100.00.000.0-0.4-0.959.31.8985479.77870
2022-04-07T12:13:42.0900.83294.6-16.6100.00.000.0-0.2-0.460.31.9149979.77785
2022-04-07T12:13:46.0900.81311.9-16.6100.00.000.0-0.61.060.41.9303279.77706
2022-04-07T12:13:50.0800.84302.5-16.6100.00.000.0-0.60.562.61.9453679.77628
2022-04-07T12:14:18.0900.83309.7-16.292.97.100.0-0.1-1.065.72.0511579.77068
2022-04-07T12:14:22.0900.81316.9-16.695.05.000.00.10.964.42.0699179.76968
2022-04-07T12:14:26.0800.82309.1-16.694.06.000.00.00.962.42.0816179.76905
2022-04-07T12:14:30.0800.84301.7-16.794.06.000.00.0-0.262.42.0968679.76820
2022-04-07T12:14:34.1100.84300.8-16.894.06.000.0-0.5-1.563.12.1153079.76718
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2022-04-07T12:14:46.1000.85300.3-16.9100.00.000.0-0.10.163.42.1607379.76481
2022-04-07T12:14:50.0900.84298.0-16.994.06.000.0-0.1-0.363.32.1733879.76417
2022-04-07T12:15:02.0800.83300.7-16.894.06.000.00.20.560.32.2216679.76179
2022-04-07T12:15:26.0900.85303.8-16.7100.00.000.00.30.955.02.3155179.75697
2022-04-07T12:15:58.1000.86304.8-16.6100.00.000.0-0.90.653.12.4353279.75033
2022-04-07T12:16:02.1000.88298.4-16.7100.00.000.0-0.9-0.457.12.4506179.74948
2022-04-07T12:16:06.0900.86304.9-16.4100.00.000.0-0.8-0.960.42.4658479.74866
2022-04-07T12:16:10.0900.84309.1-16.3100.00.000.0-0.3-0.563.42.4844379.74767
2022-04-07T12:16:22.1100.84316.7-14.188.012.000.00.00.058.52.5297579.74528
2022-04-07T12:16:34.1000.86317.1-15.9100.00.000.0-0.6-0.557.22.5727379.74299
2022-04-07T12:17:02.1100.73346.7-14.267.032.001.0-0.11.062.72.6802379.73693
2022-04-07T12:17:18.0900.84341.2-14.6100.00.000.0-0.2-0.159.82.7391779.73343
2022-04-07T12:17:22.0900.84344.4-14.3100.00.000.0-0.4-0.158.82.7550979.73248
2022-04-07T12:17:26.0800.82355.2-14.3100.00.000.0-0.2-0.759.32.7700679.73158
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2022-04-07T12:17:34.1100.82361.3-13.9100.00.000.0-0.4-1.960.42.7998879.72977
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2022-04-07T12:17:42.1000.83377.3-14.0100.00.000.0-1.01.064.52.8297979.72802
2022-04-07T12:17:46.1000.84374.8-14.2100.00.000.0-1.61.068.32.8445379.72716