@article{fdi:010094831, title = {{N}ear real time processing of underway salinity data from ships of opportunity}, author = {{A}lory, {G}. and {G}ouz{\`e}nes, {Y}. and {M}artin, {G}. and {T}{\'e}chin{\'e}, {P}. and {N}gakala, {R}. {D}. and {D}iverr{\`e}s, {D}enis and {J}acquin, {S}t{\'e}phane and {B}achelier, {C}{\'e}line and {K}hvorostyanov, {D}. and {R}everdin, {G}.}, editor = {}, language = {{ENG}}, abstract = {{T}he {F}rench {S}ea {S}urface {S}alinity ({SSS}) {O}bservation {S}ervice is the main provider of thermosalinograph ({TSG}) observations from ships of opportunity at global scale, in real time ({RT}) for operational oceanography and in delayed time ({DT}) for research. {W}e develop here a near real time ({NRT}) processing chain, which aims at transposing the human-operated {DT} processing into automatic algorithms to deliver data with optimal quality in less than a week. {Q}uality {C}ontrol ({QC}) flags are based on realistic instrumental thresholds, and comparison with a {SSS} climatology and colocated satellite temperature data. {T}o correct instrumental {SSS} biases due to fouling, water samples used in {DT} are replaced by colocated {A}rgo data in {NRT}. {T}he method includes detection of ship harbour calls, when the largest biases appear. {T}he {NRT} processing chain is retrospectively applied on a 2014-2019 {TSG} database, then evaluated and optimised by comparison to the same {TSG} database processed in {DT}, in terms of {QC} flags and corrections. {U}sing a {SSS} climatology based on {M}ercator {G}lobal {R}eanalysis, {NRT} {QC} flags reach an 88% agreement with {DT} {QC} flags. {C}ompared to unprocessed data, the differences with {DT} processed data are 4-5 times smaller after {NRT} {QC} and correction.}, keywords = {{MONDE} ; {FRANCE}}, booktitle = {}, journal = {{J}ournal of {O}perational {O}ceanography}, volume = {[{E}arly access]}, numero = {}, pages = {[15 ]}, ISSN = {1755-876{X}}, year = {2025}, DOI = {10.1080/1755876x.2025.2541460}, URL = {https://www.documentation.ird.fr/hor/fdi:010094831}, }