AUTHOR=Le Menn Marc , Poli Paul , David Arnaud , Sagot Jérôme , Lucas Marc , O'Carroll Anne , Belbeoch Mathieu , Herklotz Kai TITLE=Development of Surface Drifting Buoys for Fiducial Reference Measurements of Sea-Surface Temperature JOURNAL=Frontiers in Marine Science VOLUME=6 YEAR=2019 URL=https://www.frontiersin.org/journals/marine-science/articles/10.3389/fmars.2019.00578 DOI=10.3389/fmars.2019.00578 ISSN=2296-7745 ABSTRACT=
This paper presents the conception and the metrological characterization of a new surface drifting buoy, designed to comply with the requirements of satellite sea-surface temperature (SST) measurement validation and to link, per comparison, these measurements to the SI. The reliability of this comparison is ensured by a High Resolution Sea-Surface Temperature (HRSST) sensor associated with a pressure sensor in a module called MoSens. This module can be calibrated in a laboratory to ensure traceability to the SI with an expanded uncertainty inferior to 0.01°C. This paper estimates the response time of the HRSST sensor based on theoretical considerations and compares the results with measurements carried out in a calibration bath. Once integrated in a number of buoys, the resulting network will contribute to create a fiducial reference measurement (FRM) network. The pressure sensor can be used as an indicator of the sea-state, which is important to consider in order to understand the comparison with satellite data. Two buoy prototypes have been tested at sea during several weeks and compared