Brightness temperature measured by ARIEL radiometer at 1.4GHz from July to September 2020 during the MOSAiC expedition ...

The data contains brightness temperature data measured by ARIEL at 1.4GHz, during the MOSAIC expedition, in particular from July to September 2022 (LEG4 and LEG5).The ARIEL radiometer is a dual polarization (H & V) total power radiometer with internal calibration. The central frequency is 1.41 G...

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Bibliographic Details
Main Authors: Gabarró, Carolina, Fabregat, Pau, Hernández-Macià, Ferran, Martínez, Justino, Jove, Roger, Salvador, Joaquin, Spreen, Gunnar, Thielke, Linda, von Albedyll, Luisa
Format: Dataset
Language:English
Published: PANGAEA 2022
Subjects:
Arctic
brightness temperatures
Ice thickness
L-Band radiometry
MOSAiC expedition
Event label
DATE/TIME
Action
Comment
Binary Object
Binary Object File Size
L-Band Microwave Radiometer
PS122/4
PS122/5
Polarstern
Multidisciplinary drifting Observatory for the Study of Arctic Climate MOSAiC
Online Access:https://dx.doi.org/10.1594/pangaea.943755
https://doi.pangaea.de/10.1594/PANGAEA.943755
Description
Summary:The data contains brightness temperature data measured by ARIEL at 1.4GHz, during the MOSAIC expedition, in particular from July to September 2022 (LEG4 and LEG5).The ARIEL radiometer is a dual polarization (H & V) total power radiometer with internal calibration. The central frequency is 1.41 GHz, with a bandwidth of 20 MHz. The system has a 2x1 patch antenna, with a beam width of 36 ◦ at 3 dB at the azimuth direction and 70 ◦ at 3 dB at the elevation angle. The radiometric accuracy of ARIEL is 1.06 K at 1 Hz sampling frequency, with the capability to measure at higher sampling rates (up to 10 Hz) at the expenses of the radiometric accuracy. A co-located thermal infrared photodiode to measure the surface temperature and a GPS receiver complete the sensor equipment. Calibration is performed with a hot load and a cold load. To adapt the ARIEL instrument to the harsh and cold conditions of the Arctic,two adaptions were required to increase the internal thermal resistance by adding isolating material and to ... : The files contain:• Date of acquisition• Number of samples per load• Processed Horizontal Brightness Temperature (K) - TB H• Processed Vertical Brightness Temperature (K) - TB H• Latitude• Longitude• X coordinate of in situ with respect Polarstern position (m) - X coord• Y coordinate of in situ with respect Polarstern position (m) - Y coord• Ice temperature (K) ...

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