{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T02:21:55Z","timestamp":1760235715925,"version":"build-2065373602"},"reference-count":49,"publisher":"MDPI AG","issue":"18","license":[{"start":{"date-parts":[[2021,9,16]],"date-time":"2021-09-16T00:00:00Z","timestamp":1631750400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100000781","name":"European Research Council","doi-asserted-by":"publisher","award":["246777"],"award-info":[{"award-number":["246777"]}],"id":[{"id":"10.13039\/501100000781","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100010663","name":"H2020 European Research Council","doi-asserted-by":"publisher","award":["834177"],"award-info":[{"award-number":["834177"]}],"id":[{"id":"10.13039\/100010663","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Horizon 2020","award":["2014-633211","824131"],"award-info":[{"award-number":["2014-633211","824131"]}]},{"DOI":"10.13039\/501100001665","name":"Agence Nationale de la Recherche","doi-asserted-by":"publisher","award":["ANRJ11R107-F"],"award-info":[{"award-number":["ANRJ11R107-F"]}],"id":[{"id":"10.13039\/501100001665","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Second Institute of Oceanography, MNR","award":["QNYC1702","14283"],"award-info":[{"award-number":["QNYC1702","14283"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Measuring the underwater light field is a key mission of the international Biogeochemical-Argo program. Since 2012, 0\u2013250 dbar profiles of downwelling irradiance at 380, 412 and 490 nm besides photosynthetically available radiation (PAR) have been acquired across the globe every 1 to 10 days. The resulting unprecedented amount of radiometric data has been previously quality-controlled for real-time distribution and ocean optics applications, yet some issues affecting the accuracy of measurements at depth have been identified such as changes in sensor dark responsiveness to ambient temperature, with time and according to the material used to build the instrument components. Here, we propose a quality-control procedure to solve these sensor issues to make Argo radiometry data available for delayed-mode distribution, with associated error estimation. The presented protocol requires the acquisition of ancillary radiometric measurements at the 1000 dbar parking depth and night-time profiles. A test on &gt;10,000 profiles from across the world revealed a quality-control success rate &gt;90% for each band. The procedure shows similar performance in re-qualifying low radiometry values across diverse oceanic regions. We finally recommend, for future deployments, acquiring daily 1000 dbar measurements and one night profile per year, preferably during moonless nights and when the temperature range between the surface and 1000 dbar is the largest.<\/jats:p>","DOI":"10.3390\/s21186217","type":"journal-article","created":{"date-parts":[[2021,9,21]],"date-time":"2021-09-21T22:35:20Z","timestamp":1632263720000},"page":"6217","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Correction of Biogeochemical-Argo Radiometry for Sensor Temperature-Dependence and Drift: Protocols for a Delayed-Mode Quality Control"],"prefix":"10.3390","volume":"21","author":[{"given":"Quentin","family":"Jutard","sequence":"first","affiliation":[{"name":"CNRS & Sorbonne Universit\u00e9, OSU Ecce Terra, 4 Place Jussieu, CEDEX 05, 75252 Paris, France"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8191-8179","authenticated-orcid":false,"given":"Emanuele","family":"Organelli","sequence":"additional","affiliation":[{"name":"National Research Council (CNR), Institute of Marine Sciences (ISMAR), Via del Fosso del Cavaliere 100, 00133 Rome, Italy"}]},{"given":"Nathan","family":"Briggs","sequence":"additional","affiliation":[{"name":"National Oceanography Centre, Southampton SO14 3ZH, UK"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9940-1204","authenticated-orcid":false,"given":"Xiaogang","family":"Xing","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, Ministry of Natural Resources, 36 Baochubei Road, Hangzhou 310012, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1230-164X","authenticated-orcid":false,"given":"Catherine","family":"Schmechtig","sequence":"additional","affiliation":[{"name":"CNRS & Sorbonne Universit\u00e9, OSU Ecce Terra, 4 Place Jussieu, CEDEX 05, 75252 Paris, France"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8334-9595","authenticated-orcid":false,"given":"Emmanuel","family":"Boss","sequence":"additional","affiliation":[{"name":"School of Marine Sciences, University of Maine, Orono, ME 04469, USA"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0519-5180","authenticated-orcid":false,"given":"Antoine","family":"Poteau","sequence":"additional","affiliation":[{"name":"CNRS & Sorbonne Universit\u00e9, Laboratoire d\u2019Oc\u00e9anographie de Villefranche, 06230 Villefranche sur mer, France"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9705-407X","authenticated-orcid":false,"given":"Edouard","family":"Leymarie","sequence":"additional","affiliation":[{"name":"CNRS & Sorbonne Universit\u00e9, Laboratoire d\u2019Oc\u00e9anographie de Villefranche, 06230 Villefranche sur mer, France"}]},{"given":"Marin","family":"Cornec","sequence":"additional","affiliation":[{"name":"CNRS & Sorbonne Universit\u00e9, Laboratoire d\u2019Oc\u00e9anographie de Villefranche, 06230 Villefranche sur mer, France"}]},{"given":"Fabrizio","family":"D\u2019Ortenzio","sequence":"additional","affiliation":[{"name":"CNRS & Sorbonne Universit\u00e9, Laboratoire d\u2019Oc\u00e9anographie de Villefranche, 06230 Villefranche sur mer, France"}]},{"given":"Herv\u00e9","family":"Claustre","sequence":"additional","affiliation":[{"name":"CNRS & Sorbonne Universit\u00e9, Laboratoire d\u2019Oc\u00e9anographie de Villefranche, 06230 Villefranche sur mer, France"}]}],"member":"1968","published-online":{"date-parts":[[2021,9,16]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Johnson, K.S., and Claustre, H. 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