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Witthuhn, Jonas; Deneke, Hartwig; Macke, Andreas; Bernhard, Germar (2017): Shipborne rotating shadowband radiometer data of spectral irradiance components and aerosol optical depth during POLARSTERN cruise PS83 (ANT-XXIX/10). PANGAEA, https://doi.org/10.1594/PANGAEA.872377, Supplement to: Witthuhn, J et al. (2017): Algorithms and uncertainties for the determination of multispectral irradiance components and aerosol optical depth from a shipborne rotating shadowband radiometer. Atmospheric Measurement Techniques, 10(2), 709-730, https://doi.org/10.5194/amt-10-709-2017

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Abstract:
The 19-channel rotating shadowband radiometer GUVis-3511 built by Biospherical Instruments provides automated shipborne measurements of the direct, diffuse and global spectral irradiance components without a requirement for platform stabilization. Several direct sun products, including spectral direct beam transmittance, aerosol optical depth, Ångström exponent and precipitable water, can be derived from these observations. The individual steps of the data analysis are described, and the different sources of uncertainty are discussed. The total uncertainty of the observed direct beam transmittances is estimated to be about 4 % for most channels within a 95 % confidence interval for shipborne operation. The calibration is identified as the dominating contribution to the total uncertainty. A comparison of direct beam transmittance with those obtained from a Cimel sunphotometer at a land site and a manually operated Microtops II sunphotometer on a ship is presented. Measurements deviate by less than 3 and 4 % on land and on ship, respectively, for most channels and in agreement with our previous uncertainty estimate. These numbers demonstrate that the instrument is well suited for shipborne operation, and the applied methods for motion correction work accurately. Based on spectral direct beam transmittance, aerosol optical depth can be retrieved with an uncertainty of 0.02 for all channels within a 95 % confidence interval. The different methods to account for Rayleigh scattering and gas absorption in our scheme and in the Aerosol Robotic Network processing for Cimel sunphotometers lead to minor deviations. Relying on the cross calibration of the 940 nm water vapor channel with the Cimel sunphotometer, the column amount of precipitable water can be estimated with an uncertainty of ± 0.034 cm.
Coverage:
Median Latitude: 12.039509 * Median Longitude: -8.492541 * South-bound Latitude: -33.910200 * West-bound Longitude: -20.948200 * North-bound Latitude: 52.881800 * East-bound Longitude: 18.435500
Date/Time Start: 2014-03-08T08:44:21 * Date/Time End: 2014-04-12T06:10:11
Minimum ALTITUDE: 20 m * Maximum ALTITUDE: 20 m
Event(s):
PS83-track * Latitude Start: -33.911860 * Longitude Start: 18.434600 * Latitude End: 53.563960 * Longitude End: 8.548130 * Date/Time Start: 2014-03-08T00:00:00 * Date/Time End: 2014-04-13T00:00:00 * Location: Atlantic, transit cruise * Campaign: PS83 (ANT-XXIX/10) * Basis: Polarstern * Device: Underway cruise track measurements (CT)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethodComment
1DATE/TIMEDate/TimeDeneke, HartwigGeocode
2LATITUDELatitudeDeneke, HartwigGeocode
3LONGITUDELongitudeDeneke, HartwigGeocode
4ALTITUDEAltitudemDeneke, HartwigGeocode
5Spectral irradiance, downward at 305 nmEd_305W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
6Spectral irradiance, downward at 340 nmEd_340W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
7Spectral irradiance, downward at 380 nmEd_380W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
8Spectral irradiance, downward at 412 nmEd_412W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
9Spectral irradiance, downward at 443 nmEd_443W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
10Spectral irradiance, downward at 510 nmEd_510W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
11Spectral irradiance, downward at 610 nmEd_610W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
12Spectral irradiance, downward at 625 nmEd_625W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
13Spectral irradiance, downward at 665 nmEd_665W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
14Spectral irradiance, downward at 694 nmEd_694W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
15Spectral irradiance, downward at 750 nmEd_750W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
16Spectral irradiance, downward at 765 nmEd_765W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
17Spectral irradiance, downward at 875 nmEd_875W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
18Spectral irradiance, downward at 940 nmEd_940W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
19Spectral irradiance, downward at 1020 nmEd_1020W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
20Spectral irradiance, downward at 1245 nmEd_1245W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
21Spectral irradiance, downward at 1550 nmEd_1550W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
22Spectral irradiance, downward at 1640 nmEd_1640W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
23Short-wave downward (GLOBAL) radiationSWDW/m2Deneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
24Spectral irradiance, incident at 305 nmEi_305W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
25Spectral irradiance, incident at 340 nmEi_340W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
26Spectral irradiance, incident at 380 nmEi_380W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
27Spectral irradiance, incident at 412 nmEi_412W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
28Spectral irradiance, incident at 443 nmEi_443W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
29Spectral irradiance, incident at 510 nmEi_510W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
30Spectral irradiance, incident at 610 nmEi_610W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
31Spectral irradiance, incident at 625 nmEi_625W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
32Spectral irradiance, incident at 665 nmEi_665W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
33Spectral irradiance, incident at 694 nmEi_694W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
34Spectral irradiance, incident at 750 nmEi_750W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
35Spectral irradiance, incident at 765 nmEi_765W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
36Spectral irradiance, incident at 875 nmEi_875W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
37Spectral irradiance, incident at 940 nmEi_940W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
38Spectral irradiance, incident at 1020 nmEi_1020W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
39Spectral irradiance, incident at 1245 nmEi_1245W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
40Spectral irradiance, incident at 1550 nmEi_1550W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
41Spectral irradiance, incident at 1640 nmEi_1640W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
42Direct radiationDIRW/m2Deneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
43Spectral irradiance, downward - incident at 305 nmEd-Ei_305W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
44Spectral irradiance, downward - incident at 340 nmEd-Ei_340W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
45Spectral irradiance, downward - incident at 380 nmEd-Ei_380W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
46Spectral irradiance, downward - incident at 412 nmEd-Ei_412W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
47Spectral irradiance, downward - incident at 443 nmEd-Ei_443W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
48Spectral irradiance, downward - incident at 510 nmEd-Ei_510W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
49Spectral irradiance, downward - incident at 610 nmEd-Ei_610W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
50Spectral irradiance, downward - incident at 625 nmEd-Ei_625W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
51Spectral irradiance, downward - incident at 665 nmEd-Ei_665W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
52Spectral irradiance, downward - incident at 694 nmEd-Ei_694W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
53Spectral irradiance, downward - incident at 750 nmEd-Ei_750W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
54Spectral irradiance, downward - incident at 765 nmEd-Ei_765W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
55Spectral irradiance, downward - incident at 875 nmEd-Ei_875W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
56Spectral irradiance, downward - incident at 940 nmEd-Ei_940W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
57Spectral irradiance, downward - incident at 1020 nmEd-Ei_1020W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
58Spectral irradiance, downward - incident at 1245 nmEd-Ei_1245W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
59Spectral irradiance, downward - incident at 1550 nmEd-Ei_1550W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
60Spectral irradiance, downward - incident at 1640 nmEd-Ei_1640W/m2/nmDeneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
61Diffuse radiationDIFW/m2Deneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
62Aerosol optical thickness at 340 nmAOT_340Deneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
63Aerosol optical thickness at 380 nmAOT_380Deneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
64Aerosol optical thickness at 412 nmAOT_412Deneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
65Aerosol optical thickness at 443 nmAOT_443Deneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
66Aerosol optical thickness at 510 nmAOT_510Deneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
67Aerosol optical thickness at 610 nmAOT_610Deneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
68Aerosol optical thickness at 625 nmAOT_625Deneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
69Aerosol optical thickness at 665 nmAOT_665Deneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
70Aerosol optical thickness at 694 nmAOT_694Deneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
71Aerosol optical thickness at 750 nmAOT_750Deneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
72Aerosol optical thickness at 765 nmAOT_765Deneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
73Aerosol optical thickness at 875 nmAOT_875Deneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
74Aerosol optical thickness at 940 nmAOT_940Deneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
75Aerosol optical thickness at 1020 nmAOT_1020Deneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
76Aerosol optical thickness at 1245 nmAOT_1245Deneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
77Aerosol optical thickness at 1550 nmAOT_1550Deneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
78Aerosol optical thickness at 1640 nmAOT_1640Deneke, HartwigGround-Based UV-Visble radiometer with BioSHADE accessory, GUVis-3511, BSI Inc.
Size:
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