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Oelker, Julia; Badewien, Thomas Henry; Lübben, Andrea; Voß, Daniela: Continuous hyperspectral above-water radiometric data along RV HEINCKE cruise HE681 [dataset]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.997333 (dataset in review)

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Abstract:
This data set was recorded by permanently installed above-water radiometry onboard RV HEINCKE. Five TriOS instruments are installed at the top of the foremast: one irradiance sensor (ACC) to measure the incoming solar irradiance as a reference, 2 radiometers (ARC) to measure the incoming sky radiance, 2 radiometers (ARC) to measure the sea-surface leaving radiance. One set of radiometers is pointed to 45° starboard and the other to 45° port. The data were recorded with the MSDA-XE software in 15s interval and transferred via cloud. The data were then reformatted and processed with the community processor HyperCP. Ancillary data was taken from the mastertrack and Insightics DSHIP extraction. Data were processed for coastal conditions using sky/sunglint correction by Zhang et al. (2017), NIR residual correction using Ruddick et al. 2006, and BRDF correction based on IOP-based approach by Lee.
Keyword(s):
Hyperspectral data; North Sea; ocean optics; radiometry
Related to:
Badewien, Thomas Henry (2026): Master tracks in different resolutions of HEINCKE cruise HE681, Bremerhaven - Bremerhaven, 2026-04-07 - 2026-04-22 [dataset]. Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, PANGAEA, https://doi.org/10.1594/PANGAEA.993910
Source:
Oelker, Julia; Badewien, Thomas Henry; Lübben, Andrea; Voß, Daniela: Raw hyperspectral above-water radiometric data along RV HEINCKE cruise HE681 [dataset]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.997321
Coverage:
Median Latitude: 54.498318 * Median Longitude: 7.675972 * South-bound Latitude: 54.172450 * West-bound Longitude: 7.331320 * North-bound Latitude: 54.796200 * East-bound Longitude: 7.895880
Date/Time Start: 2026-04-08T09:16:40 * Date/Time End: 2026-04-21T14:33:17
Event(s):
HE681_0_Underway-5 * Latitude Start: 54.487830 * Longitude Start: 7.757460 * Latitude End: 54.341270 * Longitude End: 7.337530 * Date/Time Start: 2026-04-08T09:16:40 * Date/Time End: 2026-04-21T14:33:17 * Campaign: HE681 (70GW-Wind) * Basis: Heincke * Method/Device: Radiometer (RM)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1DATE/TIMEDate/TimeOelker, JuliaGeocode
2LATITUDELatitudeOelker, JuliaGeocode
3LONGITUDELongitudeOelker, JuliaGeocode
4ALTITUDEAltitudemOelker, JuliaGeocode
5DEPTH, waterDepth watermOelker, JuliaGeocode
6HeadingHeaddegOelker, Julia
7Ship speedShip spm/sOelker, Julia
8WavelengthLambdanmOelker, Julia
9Spectral irradiance, downward, in airEs airW/m2/nmOelker, Julia
10Spectral irradiance, downward, in air, medianEs air medianW/m2/nmOelker, Julia
11Spectral irradiance, downward, in air, standard deviationEs air std dev±Oelker, Julia
12Spectral radiance, downward, in airLd airW/m2/nmOelker, Julia
13Spectral radiance, downward, in air, medianLd air medianW/m2/nmOelker, Julia
14Spectral radiance, downward, in air, standard deviationLd air std dev±Oelker, Julia
15Spectral radiance, upward, in airLu airW/m2/nm/srOelker, Julia
16Spectral radiance, upward, in air, medianLu air medianW/m2/nm/srOelker, Julia
17Spectral radiance, upward, in air, standard deviationLu air std dev±Oelker, Julia
18Water-leaving radianceLWW/m2/nm/srOelker, Julia
19Water-leaving radiance, standard deviationLW std dev±Oelker, Julia
20Normalized water-leaving radianceLWNW/m2/nm/srOelker, Julia
21Normalized water-leaving radianceLWNW/m2/nm/srOelker, JuliaL11
22Normalized water-leaving radiance, standard deviationLWN std devW/m2/nm/srOelker, Julia
23Remote sensing reflectance at given wavelengthRrs1/srOelker, Julia
24Remote sensing reflectance at given wavelengthRrs1/srOelker, JuliaL11
25Remote sensing reflectance at given wavelength, standard deviationRrs std dev±Oelker, Julia
26Remote sensing reflectance at given wavelengthRrs1/srOelker, Juliauncorrected
27Sea surface reflectance factorSSRFOelker, Julia
28Remote sensing reflectance at given wavelength, near infrared offsetRrs NIR offset1/srOelker, Julia
29Normalized water-leaving radiance, near infrared offsetLWN NIR offsetW/m2/nm/srOelker, Julia
30Temperature, airTTT°COelker, Julia
31Wind speedffm/sOelker, Julia
32Aerosol optical thicknessAOTOelker, Julia
33Tilt angleTiltdegOelker, Julia
34Solar zenith angleSZAdegOelker, Julia
35Solar azimuth angleSAAdegOelker, Julia
36Azimuth angle, relativeAZ reldegOelker, Julia
37Sea surface temperatureSST°COelker, Julia
38SalinitySalOelker, Julia
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0) (License comes into effect after moratorium ends)
Status:
Curation Level: Enhanced curation (CurationLevelC) * Processing Level: PANGAEA data processing level 3 (ProcLevel3)
Size:
1045800 data points

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