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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_1706202001 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.963053, 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: 80.024864 * Median Longitude: 4.895671 * South-bound Latitude: 79.681950 * West-bound Longitude: 2.359830 * North-bound Latitude: 80.256670 * East-bound Longitude: 7.461950
Date/Time Start: 2017-06-20T08:28:28 * Date/Time End: 2017-06-20T08:59:47
Event(s):
P6_206_ACLOUD_2017_1706202001 (Flight 21) * Latitude Start: 78.245935 * Longitude Start: 15.502283 * Latitude End: 78.245975 * Longitude End: 15.502295 * Date/Time Start: 2017-06-20T07:19:40 * Date/Time End: 2017-06-20T13:33:39 * Location: Svalbard * Campaign: P6-206_ACLOUD_2017 (ACLOUD) * Basis: POLAR 6 * Method/Device: Aircraft (AC)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
1150 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
2017-06-20T08:28:28.9900.25233.9-0.321.62.30.074.80.90.486.67.4619579.68195
2017-06-20T08:28:35.0000.29232.6-0.624.23.60.068.90.50.189.87.4446179.68487
2017-06-20T08:28:41.0100.14228.5-0.69.01.20.088.50.3-0.189.97.4272779.68779
2017-06-20T08:28:46.9900.15222.7-0.111.11.50.086.3-0.00.388.27.4101179.69070
2017-06-20T08:28:53.0000.19216.5-0.817.62.20.078.9-0.10.384.57.3931179.69379
2017-06-20T08:28:59.0100.20211.9-0.916.72.80.078.00.9-0.584.97.3764679.69672
2017-06-20T08:29:04.9900.23209.7-0.521.52.50.074.40.7-0.889.27.3598179.69980
2017-06-20T08:29:11.0000.37209.2-0.444.75.00.048.00.4-0.889.77.3433379.70290
2017-06-20T08:29:17.0100.25209.7-0.421.42.40.074.40.4-0.389.37.3266879.70581
2017-06-20T08:29:22.9900.25209.7-0.625.82.50.070.20.5-0.290.17.3103779.70890
2017-06-20T08:29:29.0000.22208.90.028.12.90.068.00.0-0.389.07.2938979.71199
2017-06-20T08:29:35.0100.26208.4-0.222.32.10.074.50.3-0.287.17.2775879.71508
2017-06-20T08:29:40.9900.31208.2-0.126.42.60.069.50.4-0.587.07.2612879.71817
2017-06-20T08:29:47.0000.22208.70.015.11.80.082.40.3-0.086.37.2451479.72126
2017-06-20T08:29:53.0100.24210.7-0.321.62.00.075.80.7-0.286.97.2291879.72452
2017-06-20T08:29:58.9900.32214.0-0.144.94.30.049.21.2-0.591.97.2133879.72762
2017-06-20T08:30:05.0000.54218.2-0.661.07.50.028.41.0-1.298.07.1977679.73070
2017-06-20T08:30:11.0100.56222.2-0.471.85.30.020.90.2-0.898.77.1821479.73396
2017-06-20T08:30:16.9900.39225.6-0.444.13.20.051.10.0-0.795.67.1663579.73705
2017-06-20T08:30:23.0000.56228.6-0.470.96.50.020.50.2-0.892.57.1505579.74014
2017-06-20T08:30:29.0100.58231.3-0.470.38.00.019.90.1-0.689.97.1347679.74341
2017-06-20T08:30:34.9900.63234.4-0.288.32.90.08.30.1-0.587.37.1189779.74649
2017-06-20T08:30:41.0000.56237.7-0.175.74.90.018.40.3-2.586.57.1030079.74976
2017-06-20T08:30:47.0100.49242.2-0.656.55.50.036.90.3-2.183.47.0868779.75285
2017-06-20T08:30:59.0000.58255.1-0.370.013.20.015.40.5-1.883.07.0535779.75903
2017-06-20T08:31:05.0100.56262.6-0.575.05.20.018.70.3-2.483.17.0365779.76212
2017-06-20T08:31:10.9900.58269.30.171.86.10.019.90.0-2.579.97.0194179.76503
2017-06-20T08:31:17.0000.61275.8-0.376.16.90.014.70.2-1.077.47.0017279.76813
2017-06-20T08:31:23.0100.61281.4-0.173.95.80.018.80.7-0.477.46.9840479.77104
2017-06-20T08:31:28.9900.55285.80.167.59.70.020.90.7-0.881.16.9663679.77396
2017-06-20T08:31:35.0000.54288.9-0.770.35.90.021.80.5-1.283.36.9488579.77688
2017-06-20T08:31:41.0100.47290.5-0.656.73.50.038.70.1-1.981.46.9313479.77980
2017-06-20T08:31:46.9900.39290.8-0.148.94.90.045.00.0-1.877.36.9133279.78271
2017-06-20T08:31:59.0100.48288.4-0.366.13.60.029.40.1-0.771.36.8769379.78838
2017-06-20T08:32:04.9900.55285.7-0.473.73.80.021.60.2-1.168.86.8585679.79112
2017-06-20T08:32:11.0000.54282.8-0.265.04.50.029.40.5-1.668.16.8403679.79404
2017-06-20T08:32:17.0100.54279.9-0.175.14.60.019.00.5-1.068.86.8219979.79697
2017-06-20T08:32:22.9900.53276.8-0.458.43.10.037.40.4-0.968.86.8036379.79971
2017-06-20T08:32:29.0000.45274.5-0.956.76.10.036.30.7-1.269.76.7852679.80263
2017-06-20T08:32:35.0100.51274.7-0.465.74.10.029.11.2-0.774.46.7668979.80537
2017-06-20T08:32:40.9900.57276.40.174.43.90.020.71.0-0.981.26.7488779.80829
2017-06-20T08:32:47.0000.56279.4-0.170.62.20.026.50.6-0.685.16.7308479.81104
2017-06-20T08:32:53.0100.56282.5-0.468.02.20.029.10.1-0.984.46.7128279.81378
2017-06-20T08:32:58.9900.58285.0-0.268.88.80.019.6-0.2-0.779.66.6947979.81653
2017-06-20T08:33:05.0000.47286.0-0.542.09.80.046.60.0-0.474.56.6766079.81945
2017-06-20T08:33:11.0100.56286.3-0.168.09.70.019.40.4-0.372.46.6585779.82237
2017-06-20T08:33:29.0100.57289.20.369.49.80.018.10.2-0.574.86.6050179.83112
2017-06-20T08:33:34.9900.52290.3-0.459.77.50.030.40.3-1.272.86.5873379.83405
2017-06-20T08:33:41.0000.39290.2-0.342.24.50.051.30.8-1.173.16.5694879.83696
2017-06-20T08:33:47.0100.25290.0-0.126.32.20.070.60.9-1.377.36.5518079.83987
2017-06-20T08:33:52.9900.15289.40.216.33.30.079.10.7-1.381.36.5339579.84262
2017-06-20T08:33:59.0000.14287.70.39.51.60.088.40.7-1.083.06.5162779.84554
2017-06-20T08:34:05.0100.19284.60.08.30.70.090.80.6-0.984.76.4984179.84846
2017-06-20T08:34:10.9900.25279.8-1.140.60.30.058.90.6-0.985.86.4805679.85121
2017-06-20T08:52:59.0100.82271.10.097.82.10.00.02.12.280.33.6565680.25667
2017-06-20T08:53:04.9900.82270.90.198.41.50.00.02.03.780.13.6376880.25616
2017-06-20T08:53:11.0000.83270.70.098.90.70.00.01.61.076.43.6187980.25581
2017-06-20T08:53:17.0100.82270.2-0.198.71.20.00.02.3-0.473.73.5995780.25565
2017-06-20T08:53:22.9900.79269.40.196.13.00.00.02.4-0.073.23.5803480.25565
2017-06-20T08:53:29.0000.79268.40.397.72.20.00.03.10.073.63.5611280.25547
2017-06-20T08:53:35.0100.76267.40.098.61.40.00.02.8-0.177.43.5420680.25547
2017-06-20T08:53:40.9900.79266.50.196.82.50.00.03.00.378.83.5230180.25547
2017-06-20T08:53:47.0000.78265.90.197.41.60.00.02.8-0.881.43.5041280.25547
2017-06-20T08:53:53.0100.74265.40.0100.00.00.00.02.6-0.381.43.4852480.25547
2017-06-20T08:53:58.9900.77265.3-0.195.94.10.00.02.2-0.780.23.4663680.25547
2017-06-20T08:54:05.0000.78265.0-0.197.92.00.00.02.5-1.477.83.4473080.25529
2017-06-20T08:54:11.0100.78265.00.095.54.40.00.02.5-1.076.83.4280880.25529
2017-06-20T08:54:16.9900.77264.6-0.194.55.40.00.02.0-1.475.13.4088580.25513
2017-06-20T08:54:23.0000.76264.6-0.194.95.00.00.02.0-0.871.63.3896380.25478
2017-06-20T08:54:29.0100.75264.7-0.295.14.90.00.02.4-0.169.63.3700680.25461
2017-06-20T08:54:41.0000.69264.9-0.283.19.10.06.23.81.573.83.3314380.25427
2017-06-20T08:54:47.0100.62265.0-0.178.72.40.018.33.1-0.479.63.3123880.25427
2017-06-20T08:54:52.9900.75265.1-0.195.44.60.00.02.80.681.63.2935080.25427
2017-06-20T08:54:59.0000.74265.4-0.286.45.80.07.12.50.482.03.2744480.25427
2017-06-20T08:55:05.0100.73265.80.182.04.40.013.12.80.483.33.2555680.25427
2017-06-20T08:55:10.9900.74266.1-0.194.00.70.05.32.50.584.23.2366880.25444
2017-06-20T08:55:17.0000.21266.3-1.513.80.20.085.82.2-1.782.13.2177980.25461
2017-06-20T08:55:23.0100.75267.30.097.52.50.00.02.6-0.380.73.1987480.25461
2017-06-20T08:55:28.9900.60267.5-0.160.45.80.032.42.8-1.782.03.1796880.25478
2017-06-20T08:55:35.0000.71267.7-0.1100.00.00.00.02.6-1.182.93.1608080.25461
2017-06-20T08:55:41.0100.60267.70.172.15.70.021.42.4-0.782.03.1417580.25461
2017-06-20T08:55:46.9900.72267.60.098.91.10.00.02.30.181.03.1226980.25444
2017-06-20T08:55:53.0000.72267.40.187.03.10.09.72.8-0.381.03.1036480.25427
2017-06-20T08:55:59.0100.62267.1-0.187.55.20.06.12.8-0.283.03.0845880.25410
2017-06-20T08:56:04.9900.73266.4-0.395.12.10.02.22.3-0.283.83.0655380.25392
2017-06-20T08:56:11.0000.62265.6-0.163.79.10.026.02.20.881.73.0466580.25375
2017-06-20T08:56:17.0100.75264.30.199.10.80.00.02.00.379.03.0274280.25359
2017-06-20T08:56:22.9900.60262.7-0.267.53.90.028.02.1-0.176.63.0081980.25359
2017-06-20T08:56:29.0000.17261.1-1.30.00.00.0100.02.30.675.52.9889780.25359
2017-06-20T08:56:35.0100.69259.80.198.21.80.00.03.30.076.92.9697480.25359
2017-06-20T08:56:40.9900.81258.5-0.297.22.80.00.03.2-0.683.12.9508680.25359
2017-06-20T08:56:47.0000.79257.00.195.14.90.00.02.3-0.284.22.9319880.25359
2017-06-20T08:56:53.0100.75255.8-0.195.44.50.00.02.5-0.282.92.9130980.25359
2017-06-20T08:56:58.9900.78254.50.199.01.00.00.02.7-0.882.72.8942180.25359
2017-06-20T08:57:05.0000.57252.9-0.461.33.00.035.22.4-0.782.72.8751680.25359
2017-06-20T08:57:11.0100.48251.3-1.054.10.80.045.12.2-0.181.42.8561080.25359
2017-06-20T08:57:16.9900.75249.60.091.85.10.02.02.40.079.12.8370580.25359
2017-06-20T08:57:23.0000.77248.0-0.199.80.20.00.03.5-0.281.02.8179980.25359
2017-06-20T08:57:29.0100.54246.80.254.50.60.044.63.80.089.22.7991180.25359
2017-06-20T08:57:34.9900.06246.1-1.40.00.00.0100.03.30.695.62.7805780.25359
2017-06-20T08:58:23.0100.09252.7-1.10.00.00.0100.02.0-0.780.62.6300280.25427
2017-06-20T08:58:28.9900.70254.10.099.80.20.00.02.0-0.477.62.6106380.25427
2017-06-20T08:58:35.0000.81254.3-0.197.12.80.00.02.2-1.375.22.5910680.25427
2017-06-20T08:58:41.0100.81254.2-0.199.60.30.00.02.7-0.675.12.5714980.25427
2017-06-20T08:58:46.9900.81253.1-0.398.91.00.00.02.9-0.078.82.5520980.25410
2017-06-20T08:58:53.0000.81251.60.098.31.40.00.03.00.381.72.5328680.25410
2017-06-20T08:58:59.0100.81249.50.098.11.60.00.02.4-0.684.62.5136480.25410
2017-06-20T08:59:04.9900.83247.8-0.1100.00.00.00.01.9-0.783.42.4945880.25392
2017-06-20T08:59:11.0000.82246.6-0.1100.00.00.00.01.90.279.82.4753680.25392
2017-06-20T08:59:17.0100.74246.2-0.187.111.00.00.02.2-0.477.12.4559680.25375
2017-06-20T08:59:22.9900.78246.70.298.51.50.00.02.9-2.476.92.4365680.25375
2017-06-20T08:59:29.0000.77249.0-0.198.81.20.00.02.6-0.880.02.4173480.25359
2017-06-20T08:59:35.0100.75251.70.098.71.30.00.02.6-0.180.82.3981180.25323
2017-06-20T08:59:40.9900.76254.70.193.76.20.00.03.0-0.881.52.3788880.25307
2017-06-20T08:59:47.0000.54257.9-0.362.011.60.024.02.7-1.082.92.3598380.25272