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Bracher, Astrid; Dinter, Tilman (2021): Mean spectral diffuse attenuation coefficients from 318 to 952 nm of underwater light profiles measured at discrete stations with radiometry during RV Polarstern cruise PS113 in the Atlantic Ocean. PANGAEA, https://doi.org/10.1594/PANGAEA.931480

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Abstract:
The spectrally resolved diffuse attenuation coefficient over the first optical depth was derived from radiometric profiles collected at discrete stations during RV Polarstern cruise PS113 at 17 discrete stations distributed along a transect between the Malvinas upwelling region and the English channel in the Atlantic Ocean. An irradiance sensor (RAMSES ACC-2-VIS, TriOS GmbH, Germany) covering the wavelength region from 320 nm to 950 nm with a spectral sampling of 3.3 nm, resolution of 10 nm, and accuracy of 0.3 nm was used which is additionally equipped with an inclination and pressure sensor. The sensor was mounted to a steel frame for vertical profiling of the underwater downwelling irradiance at a distance of 5 m to the ship. The general measurement procedure followed Taylor et al. (2011). A second RAMSES ACC-2-VIS sensor mounted on top of the ship recorded the incident downwelling irradiance above the surface, to correct for incident sunlight variations. Mean Kd at each sampled wavelength was calculated from downwelling irradiance measurements at the different depths in the profile over the first optical depth (mostly between 7 to 22 m, the information is provided as minimum and maximum depth). Details on measurement procedure and its uncertainty can be found in Tilstone et al. (2020) and on the specific determination of Kd during PS113 can be found in Bracher et al. (2020).
Keyword(s):
Atlantic Ocean transect; diffuse attenuation coefficient; particulate matter; radiometric profiles; spectrally resolved
Supplement to:
Oelker, Julia; Losa, Svetlana N; Richter, Andreas; Bracher, Astrid (2022): TROPOMI-retrieved underwater light attenuation in three spectral regions in the ultraviolet to blue. Frontiers in Marine Science, 9, https://doi.org/10.3389/fmars.2022.787992
Related to:
Bracher, Astrid; Xi, Hongyan; Dinter, Tilman; Mangin, Antoine; Strass, Volker H; von Appen, Wilken-Jon; Wiegmann, Sonja (2020): High resolution water column phytoplankton composition across the Atlantic Ocean from ship-towed vertical undulating radiometry. Frontiers in Marine Science, https://doi.org/10.3389/fmars.2020.00235
Taylor, Bettina B; Torrecilla, Elena; Bernhardt, Anja; Taylor, Marc H; Peeken, Ilka; Röttgers, Rüdiger; Piera, Jaume; Bracher, Astrid (2011): Bio-optical provinces in the eastern Atlantic Ocean and their biogeographical relevance. Biogeosciences, 8(12), 3609-3629, https://doi.org/10.5194/bg-8-3609-2011
Tilstone, Gavin; Dall'Olmo, Giorgio; Hieronymi, Martin; Ruddick, Kevin; Beck, Matthew; Ligi, M; Costa, Maycira; D'Alimonte, Davide; Vellucci, Vincenzo; Vansteenwegen, Dieter; Bracher, Astrid; Wiegmann, Sonja; Kuusk, Joel; Vabson, Viktor; Ansko, Ilmar; Vendt, Riho; Donlon, Craig; Casal, Tânia (2020): Field Intercomparison of Radiometer Measurements for Ocean Colour Validation. Remote Sensing, 12(10), 1587, https://doi.org/10.3390/rs12101587
Funding:
European Space Agency (ESA), grant/award no. 4000127533/19/I-NS-S5P+I-OC: Exploitation of Sentinel-5-P for Ocean Colour Products
German Research Foundation (DFG), grant/award no. 268020496: TRR 172: ArctiC Amplification: Climate Relevant Atmospheric and SurfaCe Processes, and Feedback Mechanisms
Coverage:
Median Latitude: -9.082105 * Median Longitude: -31.965789 * South-bound Latitude: -47.660000 * West-bound Longitude: -60.720000 * North-bound Latitude: 35.960000 * East-bound Longitude: -13.120000
Date/Time Start: 2018-05-10T17:24:28 * Date/Time End: 2018-06-05T11:01:04
Minimum DEPTH, water: m * Maximum DEPTH, water: 62 m
Event(s):
PS113_1-1 * Latitude: -47.654490 * Longitude: -60.716280 * Date/Time: 2018-05-10T17:50:00 * Elevation: -391.0 m * Location: South Atlantic Ocean * Campaign: PS113 (ANT-XXXIII/4) * Basis: Polarstern * Method/Device: RAMSES hyperspectral radiometer (RAMSES)
PS113_3-1 * Latitude: -44.897240 * Longitude: -56.757750 * Date/Time: 2018-05-11T15:03:00 * Elevation: -4999.0 m * Location: South Atlantic Ocean * Campaign: PS113 (ANT-XXXIII/4) * Basis: Polarstern * Method/Device: RAMSES hyperspectral radiometer (RAMSES)
PS113_7-1 * Latitude: -35.791080 * Longitude: -44.784270 * Date/Time: 2018-05-14T15:22:00 * Elevation: -4843.0 m * Location: South Atlantic Ocean * Campaign: PS113 (ANT-XXXIII/4) * Basis: Polarstern * Method/Device: RAMSES hyperspectral radiometer (RAMSES)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEventBracher, Astrid
2GearGearBracher, Astrid
3DATE/TIMEDate/TimeBracher, AstridGeocode – UTC
4LONGITUDELongitudeBracher, AstridGeocode
5LATITUDELatitudeBracher, AstridGeocode
6DEPTH, waterDepth watermBracher, AstridGeocode – minimum depth
7DEPTH, waterDepth watermBracher, AstridGeocode – maximum depth
8Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 317.82915 nm
9Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 321.17205 nm
10Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 324.51535 nm
11Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 327.85906 nm
12Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 331.20315 nm
13Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 334.54763 nm
14Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 337.89247 nm
15Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 341.23768 nm
16Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 344.58323 nm
17Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 347.92912 nm
18Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 351.27533 nm
19Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 354.62187 nm
20Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 357.96871 nm
21Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 361.31584 nm
22Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 364.66327 nm
23Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 368.01096 nm
24Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 371.35893 nm
25Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 374.70714 nm
26Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 378.0556 nm
27Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 381.4043 nm
28Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 384.75322 nm
29Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 388.10235 nm
30Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 391.45168 nm
31Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 394.8012 nm
32Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 398.15091 nm
33Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 401.50079 nm
34Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 404.85083 nm
35Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 408.20101 nm
36Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 411.55134 nm
37Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 414.9018 nm
38Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 418.25238 nm
39Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 421.60306 nm
40Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 424.95385 nm
41Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 428.30472 nm
42Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 431.65567 nm
43Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 435.00668 nm
44Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 438.35775 nm
45Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 441.70887 nm
46Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 445.06002 nm
47Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 448.4112 nm
48Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 451.76239 nm
49Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 455.11359 nm
50Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 458.46478 nm
51Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 461.81596 nm
52Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 465.1671 nm
53Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 468.51822 nm
54Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 471.86928 nm
55Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 475.22028 nm
56Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 478.57122 nm
57Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 481.92207 nm
58Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 485.27284 nm
59Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 488.62351 nm
60Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 491.97406 nm
61Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 495.3245 nm
62Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 498.67481 nm
63Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 502.02497 nm
64Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 505.37498 nm
65Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 508.72483 nm
66Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 512.0745 nm
67Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 515.424 nm
68Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 518.77329 nm
69Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 522.12239 nm
70Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 525.47127 nm
71Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 528.81992 nm
72Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 532.16834 nm
73Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 535.51652 nm
74Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 538.86443 nm
75Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 542.21208 nm
76Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 545.55946 nm
77Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 548.90654 nm
78Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 552.25333 nm
79Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 555.59981 nm
80Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 558.94597 nm
81Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 562.2918 nm
82Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 565.63729 nm
83Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 568.98243 nm
84Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 572.32721 nm
85Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 575.67162 nm
86Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 579.01565 nm
87Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 582.35929 nm
88Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 585.70252 nm
89Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 589.04534 nm
90Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 592.38774 nm
91Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 595.72971 nm
92Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 599.07123 nm
93Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 602.4123 nm
94Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 605.7529 nm
95Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 609.09302 nm
96Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 612.43267 nm
97Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 615.77181 nm
98Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 619.11045 nm
99Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 622.44857 nm
100Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 625.78617 nm
101Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 629.12322 nm
102Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 632.45973 nm
103Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 635.79568 nm
104Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 639.13106 nm
105Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 642.46586 nm
106Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 645.80007 nm
107Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 649.13368 nm
108Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 652.46668 nm
109Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 655.79906 nm
110Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 659.13081 nm
111Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 662.46192 nm
112Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 665.79237 nm
113Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 669.12216 nm
114Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 672.45128 nm
115Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 675.77971 nm
116Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 679.10745 nm
117Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 682.43449 nm
118Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 685.7608 nm
119Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 689.0864 nm
120Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 692.41126 nm
121Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 695.73537 nm
122Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 699.05873 nm
123Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 702.38131 nm
124Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 705.70313 nm
125Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 709.02415 nm
126Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 712.34437 nm
127Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 715.66379 nm
128Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 718.98239 nm
129Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 722.30015 nm
130Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 725.61708 nm
131Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 728.93316 nm
132Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 732.24837 nm
133Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 735.56272 nm
134Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 738.87618 nm
135Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 742.18875 nm
136Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 745.50042 nm
137Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 748.81117 nm
138Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 752.121 nm
139Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 755.4299 nm
140Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 758.73785 nm
141Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 762.04485 nm
142Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 765.35088 nm
143Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 768.65594 nm
144Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 771.96001 nm
145Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 775.26309 nm
146Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 778.56516 nm
147Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 781.86621 nm
148Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 785.16623 nm
149Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 788.46522 nm
150Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 791.76315 nm
151Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 795.06003 nm
152Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 798.35584 nm
153Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 801.65057 nm
154Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 804.94421 nm
155Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 808.23674 nm
156Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 811.52817 nm
157Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 814.81848 nm
158Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 818.10765 nm
159Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 821.39568 nm
160Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 824.68256 nm
161Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 827.96827 nm
162Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 831.25281 nm
163Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 834.53617 nm
164Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 837.81833 nm
165Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 841.09929 nm
166Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 844.37903 nm
167Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 847.65755 nm
168Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 850.93483 nm
169Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 854.21086 nm
170Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 857.48564 nm
171Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 860.75915 nm
172Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 864.03138 nm
173Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 867.30232 nm
174Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 870.57197 nm
175Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 873.8403 nm
176Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 877.10732 nm
177Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 880.373 nm
178Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 883.63735 nm
179Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 886.90034 nm
180Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 890.16198 nm
181Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 893.42224 nm
182Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 896.68112 nm
183Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 899.9386 nm
184Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 903.19469 nm
185Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 906.44936 nm
186Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 909.7026 nm
187Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 912.95442 nm
188Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 916.20478 nm
189Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 919.4537 nm
190Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 922.70114 nm
191Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 925.94711 nm
192Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 929.1916 nm
193Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 932.43459 nm
194Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 935.67607 nm
195Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 938.91603 nm
196Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 942.15446 nm
197Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 945.39136 nm
198Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 948.62671 nm
199Diffuse attenuation coefficient, downwardKd1/mBracher, Astridat 951.8605 nm
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
3667 data points

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