{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T16:01:39Z","timestamp":1785427299189,"version":"3.56.0"},"reference-count":23,"publisher":"Optica Publishing Group","issue":"14","license":[{"start":{"date-parts":[[2026,7,7]],"date-time":"2026-07-07T00:00:00Z","timestamp":1783382400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/doi.org\/10.1364\/OA_License_v2#VOR-OA"},{"start":{"date-parts":[[2026,7,7]],"date-time":"2026-07-07T00:00:00Z","timestamp":1783382400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/opg.optica.org\/policies\/opg-tdm-policy.json"}],"funder":[{"DOI":"10.13039\/501100008566","name":"Tomsk State University","doi-asserted-by":"crossref","award":["Priority 2030"],"award-info":[{"award-number":["Priority 2030"]}],"id":[{"id":"10.13039\/501100008566","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":["opg.optica.org"],"crossmark-restriction":false},"short-container-title":["Opt. Express"],"published-print":{"date-parts":[[2026,7,13]]},"abstract":"<jats:p>\n                    The paper presents the results of a complex analysis of marine particles collected during the SP-42 drifting expedition (October 2024 \u2013 March 2025) aboard the ice-resistant platform \u201cSEVERNY POLIUS\u201d (IRP). Data were acquired using the DHC-FOCL probe, which includes a digital holographic camera. The study aims to obtain\n                    <jats:italic>in situ<\/jats:italic>\n                    time series of mesozooplankton concentration, investigate its diurnal rhythm under polar night conditions, quantify the anthropogenic trace of the IRP, and generate a high-quality dataset of Arctic Ocean marine particles for further neural network training. This made it possible to obtain data on the background concentrations of zooplankton (8,000 pcs\/m\n                    <jats:sup>3<\/jats:sup>\n                    ) and demonstrate the preservation of circadian rhythms (24 hours) in the absence of solar insolation. Furthermore, it was possible to quantify the organic suspension plume from platform discharges (background exceeded 3-8 times within 3-5 days). A validated dataset comprising 2,769 holographic images of plankton particles from dominant Arctic taxa was compiled. The work highlights the potential of digital holography as a foundation for robust bioindication systems in polar regions.\n                  <\/jats:p>","DOI":"10.1364\/oe.599112","type":"journal-article","created":{"date-parts":[[2026,5,13]],"date-time":"2026-05-13T13:00:55Z","timestamp":1778677255000},"page":"25921","update-policy":"https:\/\/doi.org\/10.1364\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Complex analysis of marine particles of various nature using a submersible digital holographic camera at a drifting arctic station"],"prefix":"10.1364","volume":"34","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1249-1922","authenticated-orcid":true,"given":"Victor","family":"Dyomin","sequence":"first","affiliation":[{"id":[{"id":"https:\/\/ror.org\/02he2nc27","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Igor","family":"Polovtsev","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/02he2nc27","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7089-1847","authenticated-orcid":true,"given":"Nikolay","family":"Kirillov","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/02he2nc27","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9709-4263","authenticated-orcid":true,"given":"Alexandra","family":"Davydova","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/02he2nc27","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alexander","family":"Makarov","sequence":"additional","affiliation":[{"name":"Arctic and Antarctic Research Institute"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuri","family":"Ugryumov","sequence":"additional","affiliation":[{"name":"Arctic and Antarctic Research Institute"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"285","published-online":{"date-parts":[[2026,7,7]]},"reference":[{"key":"oe-34-14-25921-R1","doi-asserted-by":"publisher","first-page":"1","DOI":"10.3389\/fmars.2019.00196","type":"journal-article","volume":"6","author":"Lombard","year":"2019","journal-title":"Front. 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