Reflected irradiance at the sea surface from radiation station 2020R12
Solar radiation over and under sea ice was measured by radiation station 2020R12, an autonomous platform, installed on drifting Second-Year-Ice (SYI) in the Arctic Ocean during MOSAiC (Leg 3) 2019/20. The resulting time series describes radiation measurements as a function of place and time between 24 April 2020 and 07 August 2020 in sample intervals of 1 hour. The radiation measurements have been performed with spectral radiometers. All data are given in full spectral resolution interpolated to 1.0 nm, and integrated over the entire wavelength range (broadband, total: 320 to 950 nm). Two sensors, solar irradiance and upward reflected solar irradiance, were mounted on a on a platform about 1 m above the sea ice surface. The third sensor was mounted 0.5 m underneath the sea ice measuring the downward transmitted irradiance. Along with the radiation measurements, this autonomous platform consisted of a lightchain, which measured counts of red, green and blue light at 49 positions at hourly intervals. In addition, the evolution of snow height is measured at hourly intervals. All times are given in UTC.
The data set has been processed and contains quality flags for different kinds for erroneous data. Flag values are the sum of individual error codes. The value of 0 refers to no error. Quality flag, sun: If the suns position is close to the horizon, the radiometers measure a very noisy signal. Radiometer measurements and variables which are computed from them are flagged +1 if the sun elevation is below 10 degrees; +2 if the broad band albedo exceeds the threshold 1.05 .
- Buoy
- Calculated
- Current sea ice map...
- DATE TIME
- Irradiance
- LATITUDE
- LONGITUDE
- Multidisciplinary d...
- PS122 3
- PS122 4
- Polarstern
- Quality flag
- Radiation Station
- Sea Ice Physics AWI...
- Spectral irradiance
- absolute
- autonomous platform
- buoy
- drift
- lightchain
- photosythetically a...
- radiation station
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- snow depth
- solar radiation
- sun elevation
- upward
Identifier | |
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DOI | https://doi.org/10.1594/PANGAEA.948813 |
Related Identifier | IsPartOf https://doi.org/10.1594/PANGAEA.948712 |
Metadata Access | https://ws.pangaea.de/oai/provider?verb=GetRecord&metadataPrefix=datacite4&identifier=oai:pangaea.de:doi:10.1594/PANGAEA.948813 |
Representation | |
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Resource Type | Dataset |
Format | text/tab-separated-values |
Size | 1513876 data points |
Discipline | Natural Sciences; Physics |
Spatial Coverage | (7.517W, 83.086S, 17.171E, 83.926N); Arctic Ocean |
Temporal Coverage Begin | 2020-04-24T14:06:34Z |
Temporal Coverage End | 2020-08-07T12:02:01Z |