Articles | Volume 13, issue 2
https://doi.org/10.5194/gi-13-373-2024
https://doi.org/10.5194/gi-13-373-2024
Research article
 | 
16 Dec 2024
Research article |  | 16 Dec 2024

Shipborne comparison of infrared and passive microwave radiometers for sea surface temperature observations

Guisella Gacitúa, Jacob Lorentsen Høyer, Sten Schmidl Søbjærg, Hoyeon Shi, Sotirios Skarpalezos, Ioanna Karagali, Emy Alerskans, and Craig Donlon

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Cited articles

Alappattu, D. P., Wang, Q., Yamaguchi, R., Lind, R. J., Reynolds, M., and Christman, A. J.: Warm layer and cool skin corrections for bulk water temperature measurements for air-sea interaction studies, J. Geophys. Res.-Oceans, 122, 6470–6481, https://doi.org/10.1002/2017JC012688, 2017. a
Alerskans, E., Høyer, J. L., Gentemann, C. L., Pedersen, L. T., Nielsen-Englyst, P., and Donlon, C.: Construction of a climate data record of sea surface temperature from passive microwave measurements, Remote Sens. Environ., 236, 111485, https://doi.org/10.1016/j.rse.2019.111485, 2020. a, b, c
Bojinski, S., Verstraete, M., Peterson, T. C., Richter, C., Simmons, A., and Zemp, M.: The concept of essential climate variables in support of climate research, applications, and policy, B. Am. Meteorol. Soc., 95, 1431–1443, https://doi.org/10.1175/BAMS-D-13-00047.1, 2014. a
Castro, S. L., Wick, G. A., Jackson, D. L., and Emery, W. J.: Error characterization of infrared and microwave satellite sea surface temperature products for merging and analysis, J. Geophys. Res.-Oceans, 113, 03010, https://doi.org/10.1029/2006JC003829, 2008. a
Dickson, B., Meincke, J., and Rhines, P.: Arctic–Subarctic Ocean Fluxes: Defining the Role of the Northern Seas in Climate: A General Introduction, Springer, ISBN 978-1-4020-6774-7, 2008. a
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Short summary
In spring 2021, a study compared sea surface temperature (SST) measurements from thermal infrared (IR) and passive microwave (PMW) radiometers on a ferry between Denmark and Iceland. The goal was to reduce atmospheric effects and directly compare IR and PMW measurements. A method was developed to convert PMW data to match IR data, with uncertainties analysed in the process. The findings provide insights to improve SST inter-comparisons and enhance the synergy between IR and PMW observations.
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