Lightchain measurements from radiation station 2018R4 ...

• Main Authors: Nicolaus, Marcel, Katlein, Christian, Hoppmann, Mario
• Format: Dataset
• Language: unknown
• Published: PANGAEA 2024
• Subjects: autonomous platform; buoy; drift; light chain; DATE/TIME; LATITUDE; LONGITUDE; Position; Irradiance, sideward, red channel; Irradiance, sideward, green channel; Irradiance, sideward, blue channel; Irradiance, sideward, clear channel; Quality flag, position; Radiation Station; Oden_AO2018; Oden; Current sea ice maps for Arctic and Antarctic meereisportal.de; Multidisciplinary Ice-based Distributed Observatory MIDO; Sea Ice Physics @ AWI AWI_SeaIce; Antarc*; Antarctic; Arctic Ocean; Sea ice
• Online Access: https://dx.doi.org/10.1594/pangaea.937160; https://doi.pangaea.de/10.1594/PANGAEA.937160

Solar radiation over and under sea ice was measured by radiation station 2014R4, an autonomous platform, installed on drifting Multi-Year-Ice (MYI) in the Arctic Ocean during Oden_AO18. The resulting time series describes radiation measurements as a function of place and time between 20 August 2018 and 20 December 2018 in sample intervals of 3 hours. 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 thermistor chain with 208 sensors and several other sensor packages, which measured water temperature, pressure and ... : 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, position: The geographic position is flagged +1 if the drift velocity, as derived from the GPS longitude and latitude, exceeds a threshold of 10 deg latitude or 50 deg longitude per time step; +2 if the position exceeds extreme values, such as longitude > 360 deg; +4 if the position is exactly 0.0. ...