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Jäkel, Evelyn; Ehrlich, André; Schäfer, Michael; Wendisch, Manfred (2023): Collocated broadband surface albedo and surface type fractions aircraft observations during AFLUX 2019 flight P5_216_AFLUX_2019_1904041101 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.963081, In: Jäkel, E et al. (2023): Collocated broadband surface albedo and surface type fractions aircraft observations during AFLUX 2019 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.963078

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Abstract:
During the AFLUX (Airborne measurements of radiative and turbulent FLUXes of energy and momentum in the Arctic boundary layer) campaign conducted in spring 2019, 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 six 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: 80.121009 * Median Longitude: 10.698336 * South-bound Latitude: 79.832340 * West-bound Longitude: 9.361650 * North-bound Latitude: 80.377840 * East-bound Longitude: 11.957100
Date/Time Start: 2019-04-04T09:55:03 * Date/Time End: 2019-04-04T10:17:55
Event(s):
P5_216_AFLUX_2019_1904041101 (RF11) * Latitude Start: 78.245872 * Longitude Start: 15.501678 * Latitude End: 78.245869 * Longitude End: 15.501777 * Date/Time Start: 2019-04-04T08:25:02 * Date/Time End: 2019-04-04T12:33:00 * Location: Svalbard * Campaign: P5-216_AFLUX_2019 * 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:
1240 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
2019-04-04T09:55:03.4600.89157.9-18.698.11.70.00.2-3.22.272.711.9571080.37784
2019-04-04T09:55:07.4600.87159.9-18.397.91.90.00.2-3.51.070.811.9486980.37631
2019-04-04T09:55:19.4500.88158.2-18.299.10.90.00.0-3.40.769.011.9233580.37171
2019-04-04T09:56:47.4700.77145.3-11.582.313.50.03.8-3.52.079.611.7525180.33749
2019-04-04T09:56:51.4600.74144.2-13.876.413.20.010.0-3.42.577.311.7449180.33591
2019-04-04T09:57:11.4800.52144.7-8.850.910.20.038.5-3.40.873.011.7059080.32807
2019-04-04T09:57:15.4700.60142.9-8.457.86.70.035.2-3.51.570.911.6981880.32648
2019-04-04T09:57:55.4700.72138.0-11.875.58.70.015.6-3.02.081.611.6202180.31091
2019-04-04T09:57:59.4700.73139.1-11.578.79.80.011.2-3.02.078.011.6124980.30939
2019-04-04T09:58:15.4500.73138.9-11.578.212.50.09.0-3.20.978.211.5807280.30333
2019-04-04T09:58:27.4800.82134.6-12.188.76.30.04.9-3.23.173.911.5565980.29877
2019-04-04T09:58:39.4600.86137.2-11.796.02.30.01.6-3.41.273.311.5314080.29422
2019-04-04T09:58:43.4600.81137.4-13.190.17.00.02.6-3.41.173.711.5229680.29272
2019-04-04T09:58:51.4500.79135.8-12.685.99.80.04.0-3.31.573.311.5060880.28973
2019-04-04T09:59:03.4700.32137.8-4.231.03.80.065.1-3.2-0.775.011.4811680.28522
2019-04-04T09:59:43.4700.17134.4-3.49.42.20.088.4-2.52.075.111.4052280.26951
2019-04-04T09:59:47.4700.16133.3-2.32.90.60.096.4-2.42.270.411.3979880.26787
2019-04-04T09:59:51.4600.40133.3-2.431.24.60.064.1-3.42.068.111.3906180.26623
2019-04-04T09:59:55.4600.39134.2-8.528.914.40.056.6-3.30.468.511.3832380.26458
2019-04-04T09:59:59.4600.22134.1-2.813.11.60.085.2-2.81.568.411.3759580.26293
2019-04-04T10:00:51.4800.26134.7-2.417.70.70.081.6-3.31.057.111.2759580.24158
2019-04-04T10:00:55.4700.18133.4-2.310.70.60.088.7-2.6-0.259.211.2677580.23998
2019-04-04T10:00:59.4700.13134.6-4.25.70.70.093.5-2.81.157.711.2595780.23836
2019-04-04T10:01:31.4700.14130.9-2.11.90.20.097.9-3.3-1.086.511.1961880.22594
2019-04-04T10:01:55.4500.29124.0-7.215.82.80.081.3-3.4-1.680.111.1472280.21696
2019-04-04T10:01:59.4800.34123.6-4.127.17.40.065.3-3.1-2.778.411.1393580.21541
2019-04-04T10:02:07.4700.29125.3-4.420.93.30.075.7-3.10.979.011.1241680.21221
2019-04-04T10:02:11.4700.32129.7-1.930.44.00.065.5-2.50.177.911.1163580.21061
2019-04-04T10:02:15.4600.61131.0-5.767.011.90.020.8-2.71.673.511.1085380.20898
2019-04-04T10:02:19.4600.69131.8-10.680.98.20.010.7-3.01.471.511.1005980.20736
2019-04-04T10:02:23.4600.45132.8-8.548.39.60.041.9-2.90.871.311.0925680.20576
2019-04-04T10:02:27.4500.66131.8-10.373.010.30.016.6-2.22.670.411.0844980.20415
2019-04-04T10:02:31.4800.29130.4-9.923.710.60.065.7-2.91.568.411.0763080.20255
2019-04-04T10:02:35.4800.69131.0-11.268.914.40.016.8-2.92.067.811.0679980.20096
2019-04-04T10:02:39.4800.40134.4-6.648.019.50.032.5-3.3-1.466.011.0597280.19938
2019-04-04T10:02:43.4700.37132.8-4.838.56.00.055.5-3.41.870.011.0516580.19776
2019-04-04T10:02:47.4700.12130.5-1.43.71.00.095.3-2.81.571.411.0436980.19614
2019-04-04T10:02:51.4600.40131.8-2.143.52.30.054.1-2.31.869.711.0357880.19453
2019-04-04T10:02:55.4600.30133.9-5.625.50.60.073.9-3.20.768.511.0278180.19291
2019-04-04T10:03:03.4500.53134.6-11.652.10.50.047.3-2.50.171.911.0121480.18966
2019-04-04T10:03:07.4800.08132.0-1.00.40.50.099.1-2.42.968.311.0044780.18799
2019-04-04T10:03:11.4800.11134.1-0.71.20.50.098.3-3.30.666.810.9966780.18634
2019-04-04T10:03:15.4800.10133.5-0.30.31.20.098.5-2.91.669.310.9888780.18468
2019-04-04T10:03:19.4700.20133.4-0.211.41.00.087.5-3.20.668.510.9810680.18302
2019-04-04T10:03:23.4700.15131.9-1.17.11.00.091.8-2.61.167.810.9732480.18136
2019-04-04T10:03:27.4600.50133.2-2.248.84.10.046.9-2.81.265.310.9654380.17967
2019-04-04T10:03:31.4600.53131.8-9.354.65.00.040.4-3.12.764.610.9575480.17799
2019-04-04T10:03:43.4800.48132.4-4.850.28.50.041.0-2.30.173.310.9336580.17302
2019-04-04T10:03:51.4700.29130.0-6.120.13.10.076.7-2.01.864.510.9175780.16970
2019-04-04T10:03:55.4700.54128.7-4.155.57.10.036.8-3.20.363.210.9093580.16804
2019-04-04T10:03:59.4700.57125.6-9.363.37.30.028.6-3.52.864.610.9012180.16637
2019-04-04T10:04:03.4600.42124.7-7.447.94.20.047.5-2.1-0.363.410.8930280.16471
2019-04-04T10:04:07.4600.08122.4-4.12.40.50.097.0-2.2-0.157.610.8848180.16302
2019-04-04T10:04:15.4500.36113.7-2.832.65.50.061.1-3.4-1.368.210.8688780.15965
2019-04-04T10:04:19.4800.59110.9-6.263.39.60.025.7-3.0-0.268.310.8611880.15797
2019-04-04T10:04:23.4800.25111.1-1.919.73.30.076.5-2.50.364.810.8536480.15625
2019-04-04T10:04:31.4700.20116.2-1.814.92.00.082.7-3.21.970.210.8389880.15277
2019-04-04T10:04:35.4700.24117.2-2.922.94.30.072.3-2.91.169.110.8318680.15105
2019-04-04T10:04:39.4600.30117.1-2.325.74.70.069.2-0.92.567.910.8246280.14932
2019-04-04T10:04:43.4600.21117.3-6.511.52.00.086.2-2.11.063.110.8173180.14756
2019-04-04T10:04:51.4900.18113.1-0.712.01.10.086.7-2.81.664.210.8025680.14410
2019-04-04T10:04:55.4800.23112.2-2.819.81.80.078.3-1.6-0.262.510.7952180.14239
2019-04-04T10:04:59.4800.17109.2-5.812.51.50.086.0-1.91.157.910.7878480.14064
2019-04-04T10:05:03.4800.20107.5-0.711.52.00.086.3-3.20.356.010.7803980.13887
2019-04-04T10:05:11.4700.18110.2-2.111.81.10.087.1-2.41.364.710.7656380.13542
2019-04-04T10:05:15.4600.22111.7-0.815.21.50.083.2-1.41.561.510.7583480.13370
2019-04-04T10:05:19.4600.21113.9-1.614.81.40.083.7-1.61.257.910.7508680.13197
2019-04-04T10:05:23.4600.24114.2-0.817.11.90.081.0-2.13.154.110.7430880.13026
2019-04-04T10:05:27.4900.25114.6-4.618.20.90.080.8-2.22.052.010.7349980.12854
2019-04-04T10:05:31.4800.14113.3-2.14.20.40.095.5-2.81.850.210.7267380.12686
2019-04-04T10:05:35.4800.19107.9-0.812.20.70.087.1-2.63.550.710.7183280.12520
2019-04-04T10:05:39.4800.19106.3-2.414.91.00.084.0-2.8-0.051.110.7097280.12356
2019-04-04T10:05:43.4700.25107.4-5.717.71.00.081.3-2.80.451.810.7010480.12194
2019-04-04T10:05:47.4700.17112.1-0.99.20.50.090.3-3.30.154.210.6924680.12032
2019-04-04T10:05:55.4600.20119.7-0.911.50.70.087.7-3.32.061.510.6756380.11710
2019-04-04T10:05:59.4500.46123.3-2.738.93.90.057.1-3.2-1.263.110.6671480.11555
2019-04-04T10:06:15.4700.55123.4-3.452.810.40.036.5-2.70.762.510.6345680.10918
2019-04-04T10:06:19.4700.50123.0-7.451.511.10.037.2-3.32.360.210.6264280.10760
2019-04-04T10:06:23.4700.41123.4-5.940.510.20.049.2-3.21.259.210.6181780.10602
2019-04-04T10:06:35.4500.56122.9-8.961.49.00.029.3-3.32.263.110.5934880.10136
2019-04-04T10:06:39.4500.35122.8-4.534.23.10.062.6-3.22.161.210.5852480.09978
2019-04-04T10:06:47.4800.25123.3-1.619.93.10.076.8-3.0-0.365.110.5691880.09657
2019-04-04T10:06:59.4700.49122.7-5.254.012.30.033.4-3.3-3.165.710.5462780.09164
2019-04-04T10:07:07.4600.53120.3-7.959.06.40.034.4-3.01.963.410.5317180.08826
2019-04-04T10:07:11.4600.37119.8-8.438.73.40.057.9-3.30.461.810.5243780.08656
2019-04-04T10:07:15.4900.19118.3-1.714.14.30.081.5-2.33.059.210.5169380.08488
2019-04-04T10:07:23.4800.18115.7-0.810.70.30.089.1-3.20.255.210.5012980.08150
2019-04-04T10:08:03.4800.1097.2-0.90.50.60.098.8-3.33.466.810.4236480.06467
2019-04-04T10:08:07.4700.1495.5-1.55.72.00.092.1-3.41.266.610.4156880.06303
2019-04-04T10:08:43.4700.1891.3-1.810.00.90.089.1-3.5-0.469.810.3408280.04874
2019-04-04T10:08:51.4600.1285.0-0.81.91.20.096.9-3.0-2.970.110.3240280.04561
2019-04-04T10:08:55.4600.2481.8-2.613.90.80.085.1-2.3-0.568.710.3159180.04400
2019-04-04T10:09:03.4900.2076.3-1.316.41.60.081.8-3.10.266.410.2997580.04072
2019-04-04T10:09:19.4700.1567.7-1.25.20.60.094.2-3.21.063.810.2693780.03412
2019-04-04T10:09:27.4600.2867.5-1.418.92.40.078.6-3.4-0.466.710.2553680.03082
2019-04-04T10:09:31.4600.2768.2-1.421.03.70.075.1-3.50.965.810.2485680.02919
2019-04-04T10:09:35.4600.1568.8-4.84.26.50.089.2-3.10.266.110.2418180.02756
2019-04-04T10:09:39.4900.1169.4-1.30.20.30.099.5-3.10.262.610.2351180.02592
2019-04-04T10:11:19.5000.3748.7-0.833.511.20.055.0-3.13.563.210.0698579.98829
2019-04-04T10:11:59.4900.3447.2-1.624.41.70.073.7-3.50.457.69.9964379.97324
2019-04-04T10:12:35.4900.2942.0-1.619.53.40.076.7-3.20.564.19.9312679.95904
2019-04-04T10:12:43.4800.2341.1-1.68.21.30.090.3-3.31.861.99.9169579.95576
2019-04-04T10:12:47.4800.3041.1-3.820.82.50.076.3-2.91.962.09.9097479.95409
2019-04-04T10:12:55.4700.3542.6-1.322.93.30.073.4-3.10.660.59.8950779.95074
2019-04-04T10:13:23.4800.2146.8-0.65.11.00.093.5-2.22.464.49.8417079.93916
2019-04-04T10:13:39.4600.2550.0-0.310.51.90.087.3-2.83.070.19.8120379.93246
2019-04-04T10:13:43.5000.3849.0-2.729.05.40.064.8-2.63.066.69.8044579.93082
2019-04-04T10:13:51.4900.4947.4-0.839.68.70.050.6-3.40.470.79.7888079.92752
2019-04-04T10:13:59.4800.4446.1-5.236.38.40.054.2-2.12.776.19.7735279.92422
2019-04-04T10:14:03.4700.3446.2-3.121.53.90.074.1-1.31.970.29.7657379.92255
2019-04-04T10:14:07.4700.2346.5-0.86.50.90.092.5-2.6-0.568.09.7578279.92085
2019-04-04T10:14:11.4700.1947.9-1.17.21.30.091.4-2.00.467.19.7499579.91917
2019-04-04T10:14:43.4700.5888.5-1.855.415.50.027.5-3.21.757.69.6890979.90612
2019-04-04T10:15:03.4900.4171.3-4.133.65.30.060.5-3.31.857.69.6535179.89872
2019-04-04T10:15:07.4800.2566.3-0.610.71.30.087.7-2.22.155.09.6468979.89718
2019-04-04T10:15:11.4800.4961.7-2.337.25.60.056.4-3.51.649.99.6401879.89561
2019-04-04T10:15:15.4800.5858.6-7.444.05.70.049.8-3.41.851.89.6334079.89404
2019-04-04T10:15:39.4900.5655.0-4.044.79.30.044.9-3.3-0.360.79.5934279.88470
2019-04-04T10:16:07.5000.4372.2-6.134.87.30.056.9-3.33.063.49.5482479.87368
2019-04-04T10:16:27.4700.4680.3-0.748.69.20.041.2-3.12.762.79.5131979.86610
2019-04-04T10:16:31.4700.2783.2-2.721.13.80.074.5-2.90.860.69.5058579.86460
2019-04-04T10:17:23.4900.1678.50.17.81.20.090.9-3.3-0.968.99.4132379.84504
2019-04-04T10:17:51.5000.3182.9-0.421.53.80.074.2-2.4-2.666.49.3677479.83398
2019-04-04T10:17:55.4900.1884.1-0.99.22.30.088.2-2.81.564.69.3616579.83234