{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,1]],"date-time":"2026-04-01T17:28:36Z","timestamp":1775064516093,"version":"3.50.1"},"reference-count":48,"publisher":"MDPI AG","issue":"12","license":[{"start":{"date-parts":[[2021,6,16]],"date-time":"2021-06-16T00:00:00Z","timestamp":1623801600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100002765","name":"Bundesministerium f\u00fcr Wirtschaft und Technologie","doi-asserted-by":"publisher","award":["50 EE 1620 and 50 EE 1923"],"award-info":[{"award-number":["50 EE 1620 and 50 EE 1923"]}],"id":[{"id":"10.13039\/501100002765","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100002946","name":"Deutsches Zentrum f\u00fcr Luft- und Raumfahrt","doi-asserted-by":"publisher","award":["50 EE 1620 and 50 EE 1923"],"award-info":[{"award-number":["50 EE 1620 and 50 EE 1923"]}],"id":[{"id":"10.13039\/501100002946","id-type":"DOI","asserted-by":"publisher"}]},{"name":"US Environmental Protection Agency 321 Pathfinder Innovation Program","award":["Grant 2011"],"award-info":[{"award-number":["Grant 2011"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Spaceborne imaging spectroscopy, also called hyperspectral remote sensing, has shown huge potential to improve current water colour retrievals and, thereby, the monitoring of inland and coastal water ecosystems. However, the quality of water colour retrievals strongly depends on successful removal of the atmospheric\/surface contributions to the radiance measured by satellite sensors. Atmospheric correction (AC) algorithms are specially designed to handle these effects, but are challenged by the hundreds of narrow spectral bands obtained by hyperspectral sensors. In this paper, we investigate the performance of Polymer AC for hyperspectral remote sensing over coastal waters. Polymer is, in nature, a hyperspectral algorithm that has been mostly applied to multispectral satellite data to date. Polymer was applied to data from the Hyperspectral Imager for the Coastal Ocean (HICO), validated against in situ multispectral (AERONET-OC) and hyperspectral radiometric measurements, and its performance was compared against that of the hyperspectral version of NASA\u2019s standard AC algorithm, L2gen. The match-up analysis demonstrated very good performance of Polymer in the green spectral region. The mean absolute percentage difference across all the visible bands varied between 16% (green spectral region) and 66% (red spectral region). Compared with L2gen, Polymer remote sensing reflectances presented lower uncertainties, greater data coverage, and higher spectral similarity to in situ measurements. These results demonstrate the potential of Polymer to perform AC on hyperspectral satellite data over coastal waters, thus supporting its application in current and future hyperspectral satellite missions.<\/jats:p>","DOI":"10.3390\/s21124125","type":"journal-article","created":{"date-parts":[[2021,6,16]],"date-time":"2021-06-16T21:58:32Z","timestamp":1623880712000},"page":"4125","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":32,"title":["Assessment of Polymer Atmospheric Correction Algorithm for Hyperspectral Remote Sensing Imagery over Coastal Waters"],"prefix":"10.3390","volume":"21","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5100-8809","authenticated-orcid":false,"given":"Mariana A.","family":"Soppa","sequence":"first","affiliation":[{"name":"Alfred Wegener Institute, Klu\u00dfmannstr. 3d, D-27570 Bremerhaven, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4640-441X","authenticated-orcid":false,"given":"Brenner","family":"Silva","sequence":"additional","affiliation":[{"name":"Alfred Wegener Institute, Klu\u00dfmannstr. 3d, D-27570 Bremerhaven, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0165-0713","authenticated-orcid":false,"given":"Fran\u00e7ois","family":"Steinmetz","sequence":"additional","affiliation":[{"name":"HYGEOS, Euratechnologies, 165 Avenue de Bretagne, 59000 Lille, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1693-6025","authenticated-orcid":false,"given":"Darryl","family":"Keith","sequence":"additional","affiliation":[{"name":"Atlantic Coastal Environmental Sciences Division, United States Environmental Protection Agency, Narragansett, RI 02882, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4106-8928","authenticated-orcid":false,"given":"Daniel","family":"Scheffler","sequence":"additional","affiliation":[{"name":"Helmholtz Center Potsdam GFZ German Research Center for Geosciences, Remote Sensing and Geoinformatics, Telegrafenberg, D-14473 Potsdam, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4078-886X","authenticated-orcid":false,"given":"Niklas","family":"Bohn","sequence":"additional","affiliation":[{"name":"Helmholtz Center Potsdam GFZ German Research Center for Geosciences, Remote Sensing and Geoinformatics, Telegrafenberg, D-14473 Potsdam, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3025-5517","authenticated-orcid":false,"given":"Astrid","family":"Bracher","sequence":"additional","affiliation":[{"name":"Alfred Wegener Institute, Klu\u00dfmannstr. 3d, D-27570 Bremerhaven, Germany"},{"name":"Institute of Environmental Physics, University of Bremen, D-28334 Bremen, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2021,6,16]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"145","DOI":"10.3389\/feart.2019.00145","article-title":"Atmospheric Correction of Satellite Ocean-Color Imagery During the PACE Era","volume":"7","author":"Frouin","year":"2019","journal-title":"Front. 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