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Jäkel, Evelyn; Ehrlich, André; Schäfer, Michael; Wendisch, Manfred (2023): Collocated broadband surface albedo and surface type fractions aircraft observations during ACLOUD 2017 flight P6_206_ACLOUD_2017_1706262402 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.963041, In: Jäkel, E et al. (2023): Collocated broadband surface albedo and surface type fractions aircraft observations during ACLOUD 2017 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.963001

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Abstract:
During the ACLOUD (Arctic CLoud Observations Using airborne measurements during polar Day) campaign conducted in May / June 2017, downward-looking commercial digital cameras equipped with a 180° - fisheye lens were installed on the aircraft Polar 5 and Polar 6. 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 21 flights.
Keyword(s):
ACLOUD; Arctic; 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: 80.327670 * Median Longitude: 15.703324 * South-bound Latitude: 80.034550 * West-bound Longitude: 15.463600 * North-bound Latitude: 80.620770 * East-bound Longitude: 15.980990
Date/Time Start: 2017-06-26T13:11:53 * Date/Time End: 2017-06-26T13:26:41
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
1180 data points

Data

Download dataset as tab-delimited text — use the following character encoding:


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
2017-06-26T13:11:53.9800.52567.40.173.516.20.08.12.5-0.652.315.4636080.03455
2017-06-26T13:11:59.9900.51570.10.077.513.40.07.53.3-0.258.015.4641280.03867
2017-06-26T13:12:06.0100.49567.0-0.170.75.90.020.52.80.360.915.4648080.04243
2017-06-26T13:12:17.9900.44561.5-1.143.17.00.047.23.02.761.615.4665280.05016
2017-06-26T13:12:24.0100.54561.00.069.95.50.022.11.90.962.915.4687580.05394
2017-06-26T13:12:29.9800.53561.2-0.371.26.10.020.41.60.557.315.4715080.05772
2017-06-26T13:12:36.0000.50564.9-0.465.45.00.027.32.00.454.315.4749380.06149
2017-06-26T13:12:42.0100.52565.2-0.168.46.20.022.52.1-0.253.215.4785380.06544
2017-06-26T13:12:47.9800.48561.8-0.168.67.20.021.92.0-1.053.015.4823180.06939
2017-06-26T13:12:54.0000.48563.80.067.55.00.025.82.4-0.452.315.4859280.07333
2017-06-26T13:13:00.0100.52565.20.170.04.60.024.22.80.256.215.4896980.07712
2017-06-26T13:13:05.9800.51561.80.471.89.30.017.41.90.058.815.4936480.08106
2017-06-26T13:13:12.0000.48564.00.268.410.50.018.93.8-0.460.615.4977680.08501
2017-06-26T13:13:23.9800.53556.60.181.512.30.05.32.3-2.987.715.5063480.09256
2017-06-26T13:13:36.0100.47556.00.857.35.80.035.42.4-0.690.215.5123580.10029
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2017-06-26T13:15:06.0100.38540.5-0.372.04.50.023.11.71.590.015.5538980.15797
2017-06-26T13:15:11.9800.34538.7-0.124.34.70.070.13.00.591.515.5571680.16158
2017-06-26T13:15:18.0000.70532.8-0.199.40.50.00.02.30.895.015.5609380.16518
2017-06-26T13:15:24.0100.70524.9-0.197.12.30.00.22.40.492.615.5650580.16878
2017-06-26T13:15:29.9800.49538.9-0.251.74.10.043.02.5-3.292.415.5693480.17239
2017-06-26T13:15:36.0000.56550.6-0.284.53.20.011.72.9-3.190.215.5729580.17599
2017-06-26T13:15:42.0100.52559.9-0.175.56.90.016.23.0-1.191.715.5753580.17943
2017-06-26T13:15:47.9800.45560.2-0.164.09.00.025.03.0-0.596.115.5772480.18303
2017-06-26T13:15:54.0000.52559.40.075.79.80.013.81.90.695.915.5791380.18663
2017-06-26T13:16:00.0100.61556.3-0.183.09.50.06.92.21.291.615.5811980.19006
2017-06-26T13:16:05.9800.47556.30.357.311.30.030.02.20.291.315.5837680.19367
2017-06-26T13:16:12.0000.53555.8-0.276.63.60.019.62.10.288.515.5863480.19711
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2017-06-26T13:16:29.9900.51560.00.174.89.00.014.13.2-0.592.815.5961280.20775
2017-06-26T13:16:36.0100.43565.0-0.360.88.20.029.43.0-2.793.315.5999080.21101
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2017-06-26T13:18:29.9800.57470.6-0.681.210.10.06.82.2-0.295.315.6558680.28019
2017-06-26T13:18:36.0000.55469.8-0.261.623.50.014.32.0-0.293.615.6570680.28413
2017-06-26T13:19:11.9900.59470.60.093.35.90.00.03.11.196.415.6653080.30783
2017-06-26T13:19:18.0100.53475.80.078.516.10.04.21.61.398.715.6671980.31178
2017-06-26T13:19:36.0100.39540.0-0.251.55.70.042.12.20.694.515.6749280.32362
2017-06-26T13:19:41.9800.51534.5-0.185.12.50.011.51.21.292.315.6781880.32757
2017-06-26T13:19:54.0100.46539.0-0.374.49.10.015.32.9-0.292.415.6864280.33563
2017-06-26T13:19:59.9800.50537.7-0.574.85.60.018.52.4-2.096.115.6910580.33958
2017-06-26T13:20:06.0000.60536.80.089.59.30.00.72.1-1.496.315.6953480.34354
2017-06-26T13:20:17.9800.58535.40.282.63.90.012.72.60.597.015.7035880.35143
2017-06-26T13:20:24.0000.49537.6-0.362.26.10.030.42.50.3101.515.7080580.35538
2017-06-26T13:20:30.0100.59537.7-0.192.73.50.02.32.0-0.6102.515.7126880.35933
2017-06-26T13:20:35.9800.56533.4-0.388.65.90.04.20.2-1.498.315.7174980.36327
2017-06-26T13:20:42.0000.53541.40.172.95.20.020.02.3-0.890.915.7221280.36739
2017-06-26T13:20:48.0100.56545.40.091.02.80.05.52.2-1.992.015.7264180.37151
2017-06-26T13:20:53.9800.38546.7-0.947.96.00.044.82.4-1.493.015.7301980.37546
2017-06-26T13:21:06.0100.60547.10.094.74.00.00.62.20.398.615.7375780.38370
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2017-06-26T13:22:00.0100.57552.00.188.46.70.03.01.9-0.495.415.7777480.42061
2017-06-26T13:22:11.9900.60554.8-0.197.51.70.00.02.0-1.395.515.7861580.42902
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2017-06-26T13:22:30.0000.51550.70.063.83.90.031.20.5-1.794.215.7978280.44155
2017-06-26T13:22:36.0100.60552.10.086.63.80.07.61.9-0.293.915.8014380.44585
2017-06-26T13:22:41.9800.54553.6-0.189.33.90.06.22.3-0.194.515.8052180.44997
2017-06-26T13:22:48.0000.54554.8-0.183.28.50.05.52.6-0.399.715.8089880.45425
2017-06-26T13:22:54.0100.58553.7-0.192.93.60.02.11.5-0.8101.715.8127680.45837
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2017-06-26T13:23:12.0100.50559.00.378.97.00.011.52.5-1.099.315.8239280.47125
2017-06-26T13:23:17.9800.56557.50.097.81.70.00.11.4-1.2103.115.8273580.47537
2017-06-26T13:23:24.0000.55562.20.179.37.60.010.41.1-0.398.815.8309680.47966
2017-06-26T13:23:30.0100.56567.60.089.64.50.03.52.10.097.515.8345680.48395
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