{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,4]],"date-time":"2025-11-04T09:51:08Z","timestamp":1762249868520,"version":"build-2065373602"},"reference-count":58,"publisher":"MDPI AG","issue":"15","license":[{"start":{"date-parts":[[2022,8,1]],"date-time":"2022-08-01T00:00:00Z","timestamp":1659312000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"CSIRO Earth Observation Centre"},{"name":"CSIRO Marine Research"},{"name":"CSIRO Land &amp; Water"},{"name":"Cooperative Research for Coastal Zone, Estuary and Waterway Management"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>Distinct absorption peaks, with maxima at around 328 nm and a shoulder at 360 nm, were observed in the UV region of the absorption spectra for both the particulate and dissolved fractions of water samples collected in Keppel Bay (NE Australia) during the presence of sporadic Trichodesmium colonies. The largest absorption coefficients for these peaks were observed in samples collected in the near-surface waters (top 2\u20133 cm). Values approximately 3.5\u20136 times greater for aCDOM(328) and 13\u201336 times greater for ap(328) were observed in the near-surface samples compared to those collected from the top 20 cm of the water column at the same sites. Similar UV-absorption peaks observed in other studies have been attributed to the presence of mycosporine-like amino acids (MAAs). Increased UV absorption can affect both the magnitude of the absorption coefficients in the blue end of the visible region and the spectral slope of the exponential model commonly used to describe the CDOM absorption coefficient. This, in turn, can significantly affect the accuracy of satellite retrieved estimates of ocean colour products related to CDOM and particulate absorption coefficients. In tropical waters where Trichodesmium blooms are prevalent, regional ocean colour algorithms need to be developed using in situ bio-optical measurements from both the UV and visible regions of the spectra.<\/jats:p>","DOI":"10.3390\/rs14153686","type":"journal-article","created":{"date-parts":[[2022,8,1]],"date-time":"2022-08-01T21:01:24Z","timestamp":1659387684000},"page":"3686","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Distinct Peaks of UV-Absorbing Compounds in CDOM and Particulate Absorption Spectra of Near-Surface Great Barrier Reef Coastal Waters, Associated with the Presence of Trichodesmium spp. (NE Australia)"],"prefix":"10.3390","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4415-993X","authenticated-orcid":false,"given":"Lesley A.","family":"Clementson","sequence":"first","affiliation":[{"name":"CSIRO Oceans and Atmosphere, Hobart, TAS 7000, Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kadija","family":"Oubelkheir","sequence":"additional","affiliation":[{"name":"CSIRO Oceans and Atmosphere, Brisbane, QLD 4000, Australia"},{"name":"School of Earth & Planetary Sciences, Curtin University, Perth, WA 6102, Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9100-6595","authenticated-orcid":false,"given":"Phillip W.","family":"Ford","sequence":"additional","affiliation":[{"name":"CSIRO Oceans and Atmosphere, Canberra, ACT 2601, Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"David","family":"Blondeau-Patissier","sequence":"additional","affiliation":[{"name":"CSIRO Oceans and Atmosphere, Brisbane, QLD 4000, Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2022,8,1]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1007\/s43630-020-00001-x","article-title":"Environmental effects of stratospheric ozone depletion, UV radiation, and interactions with climate change: UNEP Environmental Effects Assessment Panel, Update 2020","volume":"20","author":"Barnes","year":"2021","journal-title":"Photochem. Photobiol. Sci."},{"key":"ref_2","first-page":"108","article-title":"Effects of UV radiation on aquatic ecosystems and interactions with other environmental factors","volume":"14","author":"Williamson","year":"2015","journal-title":"Photochem. Photobiol. Sci."},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"35","DOI":"10.1007\/BF00993641","article-title":"Release of untraviolet-absorbing compounds by the red-tide dinoflagellate Lingulodinium polyedra","volume":"127","author":"Vernet","year":"1996","journal-title":"Mar. Biol."},{"key":"ref_4","doi-asserted-by":"crossref","first-page":"83","DOI":"10.1016\/S1011-1344(98)00198-5","article-title":"Ultraviolet-absorbing\/screening substances in cyanobacteria, phytoplankton and macroalgae","volume":"47","author":"Sinha","year":"1998","journal-title":"J. Photochem. Photobiol. B Biol."},{"key":"ref_5","doi-asserted-by":"crossref","first-page":"35","DOI":"10.3354\/meps189035","article-title":"Occurrence of UVA- and UVB-absorbing compounds in 152 species (206 strains) of marine microalgae","volume":"189","author":"Jeffrey","year":"1999","journal-title":"Mar. Ecol. Prog. Ser."},{"key":"ref_6","doi-asserted-by":"crossref","first-page":"608","DOI":"10.4319\/lo.1999.44.3.0608","article-title":"Bio-optical properties of the marine diazotrophic cyanobacteria Trichodesmium spp. I. Absorption and photosynthetic action spectra","volume":"44","author":"Subramaniam","year":"1999","journal-title":"Limnol. Oceanogr."},{"key":"ref_7","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1017\/S0025315403006726h","article-title":"A temporal study of mycosporine-like amino acids in surface water phytoplankton from the English Channel and correlation with solar irradiation","volume":"83","author":"Llewellyn","year":"2003","journal-title":"J. Mar. Biol. Ass. UK"},{"key":"ref_8","doi-asserted-by":"crossref","first-page":"157","DOI":"10.1007\/BF01313484","article-title":"Survey of mycosporine-like amino acids compounds in Antarctic marine organisms: Potential protection from ultraviolet exposure","volume":"108","author":"Karentz","year":"1991","journal-title":"Mar. Biol."},{"key":"ref_9","first-page":"617","article-title":"Relationship between ultraviolet (UV) radiation and mycosporine-like amino acids (MAAS) in marine organisms","volume":"63","author":"Banaszak","year":"1998","journal-title":"Bull. Mar. Sci."},{"key":"ref_10","doi-asserted-by":"crossref","first-page":"775","DOI":"10.1080\/00288330.2004.9517277","article-title":"Variation in sunscreen compounds (mycosporine-like amino acids) for marine species along a gradient of ultraviolet radiation transmission within doubtful sound, New Zealand","volume":"38","author":"Lamare","year":"2004","journal-title":"N. Z. J. Mar. Freshw. Res."},{"key":"ref_11","doi-asserted-by":"crossref","first-page":"45","DOI":"10.3354\/meps267045","article-title":"Production of chromophoric dissolved organic matter (CDOM) in the open ocean by zooplankton and the colonial cyanobacterium Trichodesmium spp.","volume":"267","author":"Steinberg","year":"2004","journal-title":"Mar. Ecol. Prog. Ser."},{"key":"ref_12","doi-asserted-by":"crossref","first-page":"863","DOI":"10.1007\/s00227-004-1384-9","article-title":"Diel fluctuations of mycosporine-like amino acids in shallow-water scleractinian corals","volume":"145","author":"Yakovleva","year":"2004","journal-title":"Mar. Biol."},{"key":"ref_13","doi-asserted-by":"crossref","first-page":"391","DOI":"10.1007\/BF01313504","article-title":"UV-B protecting compounds in the marine alga Phaeocystis pouchetii from Antarctica","volume":"109","author":"Marchant","year":"1991","journal-title":"Mar. Biol."},{"key":"ref_14","doi-asserted-by":"crossref","first-page":"1788","DOI":"10.4319\/lo.2000.45.8.1788","article-title":"Influence of mycosporine-like aminoacids (MAAs) on UV absorption by particulate and dissolved organic matter in La Jolla Bay","volume":"45","author":"Whitenead","year":"2000","journal-title":"Limnol. Oceanogr."},{"key":"ref_15","doi-asserted-by":"crossref","first-page":"217","DOI":"10.1007\/s002270000424","article-title":"UV absorption by mycosporine-like amino acids in Phaeocystis antarctica Karsten induced by photosynthetically available radiation","volume":"138","author":"Moisan","year":"2001","journal-title":"Mar. Biol."},{"key":"ref_16","doi-asserted-by":"crossref","first-page":"023503","DOI":"10.1117\/1.2839036","article-title":"Bio-optical properties of the marine cyanobacteria Trichodesmium spp.","volume":"2","author":"Dupouy","year":"2008","journal-title":"J. App. Rem. Sens."},{"key":"ref_17","doi-asserted-by":"crossref","first-page":"1835","DOI":"10.4319\/lo.2010.55.5.1835","article-title":"High concentrations of mycosporine-like amino acids and colored dissolved organic matter in the sea surface microlayer off the Iberian Peninsula","volume":"55","author":"Tilstone","year":"2010","journal-title":"Limnol. Oceanogr."},{"key":"ref_18","doi-asserted-by":"crossref","first-page":"102117","DOI":"10.1016\/j.pocean.2019.05.009","article-title":"Inherent optical properties and particle characteristics of the sea-surface microlayer","volume":"176","author":"Stramski","year":"2019","journal-title":"Prog. Oceanogr."},{"key":"ref_19","doi-asserted-by":"crossref","first-page":"283","DOI":"10.3354\/ame026283","article-title":"Distribution of mycosporine-like amino acids and photoprotective carotenoids among freshwater phytoplankton assemblages","volume":"26","author":"Laurion","year":"2002","journal-title":"Aq. Microb. Ecol."},{"key":"ref_20","doi-asserted-by":"crossref","first-page":"387","DOI":"10.3390\/md9030387","article-title":"Mycosporine-like amino acids: Relevant secondary metabolites. Chemical and ecological aspects","volume":"9","author":"Carreto","year":"2011","journal-title":"Mar. Drugs"},{"key":"ref_21","doi-asserted-by":"crossref","first-page":"215","DOI":"10.4319\/lo.2004.49.1.0215","article-title":"Seasonal cycle of phytoplankton UV absorption at the Bermuda Atlantic Time-series Study (BATS) site","volume":"49","author":"Morrison","year":"2004","journal-title":"Limnol. Oceanogr."},{"key":"ref_22","doi-asserted-by":"crossref","first-page":"273","DOI":"10.1016\/j.marchem.2004.02.017","article-title":"Production of chromophoric dissolved organic matter by Sargasso Sea microbes","volume":"89","author":"Nelson","year":"2004","journal-title":"Mar. Chem."},{"key":"ref_23","doi-asserted-by":"crossref","first-page":"41","DOI":"10.3354\/meps10530","article-title":"Production of mycosporine-like amino acids by phytoplankton under ultraviolet radiation exposure in the Sub-Antarctic Zone south of Tasmania","volume":"494","author":"Oubelkheir","year":"2013","journal-title":"Mar. Ecol. Prog. Ser."},{"key":"ref_24","doi-asserted-by":"crossref","first-page":"5249","DOI":"10.5194\/bg-15-5249-2018","article-title":"Diazotrophic Trichodesmium impact on UV-Vis radiance and pigment composition in the western tropical South Pacific","volume":"15","author":"Dupouy","year":"2018","journal-title":"Biogeosciences"},{"key":"ref_25","doi-asserted-by":"crossref","first-page":"106864","DOI":"10.1016\/j.ecss.2020.106864","article-title":"Influence of environmental parameters on bio-optical characteristics of colored dissolved organic matter in a complex tropical coastal and estuarine region","volume":"242","author":"Dias","year":"2020","journal-title":"Est. Coast. Shelf Sci."},{"key":"ref_26","doi-asserted-by":"crossref","unstructured":"Blondeau-Patissier, D., Brando, V.E., L\u00f8nborg, C., Leahy, S.M., and Dekker, A.G. (2018). Phenology of Trichodesmium spp. blooms in the Great Barrier Reef lagoon, Australia, from the ESA-MERIS 10 year mission. PLoS ONE, 13.","DOI":"10.1371\/journal.pone.0208010"},{"key":"ref_27","doi-asserted-by":"crossref","first-page":"618","DOI":"10.4319\/lo.1999.44.3.0618","article-title":"Bio-optical properties of the marine diazotrophic cyanobacteria Trichodesmium spp. II. A reflectance model for remote sensing","volume":"44","author":"Subramaniam","year":"1999","journal-title":"Limnol. Oceanogr."},{"key":"ref_28","doi-asserted-by":"crossref","first-page":"C06012","DOI":"10.1029\/2004JC002517","article-title":"An improved bio-optical model for the remote sensing of Trichodesmium spp. blooms","volume":"110","author":"Westberry","year":"2005","journal-title":"J. Geophys. Res."},{"key":"ref_29","doi-asserted-by":"crossref","first-page":"3631","DOI":"10.5194\/bg-8-3631-2011","article-title":"An algorithm for detecting Trichodesmium surface blooms in the South Western tropical Pacific","volume":"8","author":"Dupouy","year":"2011","journal-title":"Biogeosciences"},{"key":"ref_30","doi-asserted-by":"crossref","first-page":"50","DOI":"10.4319\/lom.2011.9.50","article-title":"A simple binary classification algorithm for the detection of Trichodesmium spp. within the Great barrier Reef using MODIS imagery","volume":"9","author":"McKinna","year":"2011","journal-title":"Limnol. Oceanogr. Methods"},{"key":"ref_31","doi-asserted-by":"crossref","first-page":"177","DOI":"10.1016\/j.pocean.2014.12.013","article-title":"Three decades of ocean-color remote-sensing Trichodesmium spp. in the world\u2019s oceans: A review","volume":"131","author":"McKinna","year":"2015","journal-title":"Prog. Oceanogr."},{"key":"ref_32","doi-asserted-by":"crossref","first-page":"C07021","DOI":"10.1029\/2005JC003113","article-title":"Using inherent optical properties to investigate biogeochemical dynamics in a tropical macrotidal coastal system","volume":"111","author":"Oubelkheir","year":"2006","journal-title":"J. Geophys. Res."},{"key":"ref_33","doi-asserted-by":"crossref","first-page":"183","DOI":"10.3354\/meps077183","article-title":"Improved HPLC method for the analysis of chlorophylls and carotenoids from marine phytoplankton","volume":"77","author":"Wright","year":"1991","journal-title":"Mar. Ecol. Prog. Ser."},{"key":"ref_34","doi-asserted-by":"crossref","first-page":"31611","DOI":"10.1029\/2000JC000359","article-title":"Optical properties of waters in the Australasian sector of the Southern Ocean","volume":"106","author":"Clementson","year":"2001","journal-title":"J. Geophys. Res."},{"key":"ref_35","doi-asserted-by":"crossref","first-page":"137","DOI":"10.1117\/12.21440","article-title":"Algorithms for determining the absorption coefficient for aquatic particulates using the quantitative filter technique","volume":"1302","author":"Mitchell","year":"1990","journal-title":"Proc. Ocean Optics X"},{"key":"ref_36","doi-asserted-by":"crossref","first-page":"6209","DOI":"10.1080\/01431160802178110","article-title":"Global monitoring of plankton blooms using MERIS MCI","volume":"29","author":"Gower","year":"2008","journal-title":"Int. J. Remote Sens."},{"key":"ref_37","unstructured":"Gower, J., and King, S. (2008, January 23). On the importance of a band at 709 nm. Proceedings of the 2nd MERIS-AATSR Workshop, ESRIN, Frascati, Italy."},{"key":"ref_38","unstructured":"Jeffrey, S.W., Mantoura, R.F.C., and Wright, S.W. (1997). Introduction to marine phytoplankton and their pigment signatures. Phytoplankton Pigments in Oceanography: Guidelines to Modern Methods, UNESCO Publishing."},{"key":"ref_39","unstructured":"Subba Rao, D.V. (2006). Photosynthetic pigments in marine microalgae: Insights from cultures and the sea. Algal Cultures, Analogues of Blooms and Applications, Science Publishers."},{"key":"ref_40","doi-asserted-by":"crossref","first-page":"1605","DOI":"10.4319\/lo.2004.49.5.1605","article-title":"Enrichment of amino acids in the sea surface microlayer at coastal and open ocean sites in the North Atlantic Ocean","volume":"49","author":"Kuznetsova","year":"2004","journal-title":"Limnol. Oceanogr."},{"key":"ref_41","doi-asserted-by":"crossref","first-page":"115","DOI":"10.1016\/j.jphotobiol.2005.03.008","article-title":"Photodegradation and photosensitization of mycosporine-like amino acids","volume":"80","author":"Whitehead","year":"2005","journal-title":"J. Photochem. Photobiol. B Biol."},{"key":"ref_42","doi-asserted-by":"crossref","first-page":"8536","DOI":"10.1074\/jbc.270.15.8536","article-title":"Structure of a novel oligosaccharide-mycosporine-amino acid ultraviolet A\/B sunscreen pigment from the terrestrial cyanobacterium Nostoc commune","volume":"270","author":"Pfleiderer","year":"1995","journal-title":"J. Biol. Chem."},{"key":"ref_43","doi-asserted-by":"crossref","unstructured":"Carpenter, E.J., Capone, D.G., and Rueter, J.G. (1992). Pelagic Trichodesmium (=Oscillatoria) in the Great Barrier Reef region. Marine Pelagic Cyanobacteria: Trichodesmium and Other Diazotrophs, Kluwer Academic Publishers.","DOI":"10.1007\/978-94-015-7977-3"},{"key":"ref_44","doi-asserted-by":"crossref","unstructured":"Carpenter, E.J., Capone, D.G., and Rueter, J.G. (1992). Effect of Trichodesmium blooms on water quality in the Great Barrier Reef Lagoon. Marine Pelagic Cyanobacteria: Trichodesmium and Other Diazotrophs, Kluwer Academic Publishers.","DOI":"10.1007\/978-94-015-7977-3"},{"key":"ref_45","doi-asserted-by":"crossref","first-page":"119","DOI":"10.3354\/meps186119","article-title":"Nitrogen fixation by Trichodesmium spp. in the Central and Northern Great Barrier Reef Lagoon: Relative importance of the fixed-nitrogen load","volume":"186","author":"Bell","year":"1999","journal-title":"Mar. Ecol. Prog. Ser."},{"key":"ref_46","doi-asserted-by":"crossref","unstructured":"Carpenter, E.J., Capone, D.G., and Rueter, J.G. (1992). The gas vesicles and buoyancy of Trichodesmium. Marine Pelagic Cyanobacteria: Trichodesmium and Other Diazotrophs, Kluwer Academic Publishers.","DOI":"10.1007\/978-94-015-7977-3"},{"key":"ref_47","doi-asserted-by":"crossref","first-page":"1221","DOI":"10.1126\/science.276.5316.1221","article-title":"Rtichodesmium, a globally significant marine cyanobacterium","volume":"276","author":"Capone","year":"1997","journal-title":"Science"},{"key":"ref_48","doi-asserted-by":"crossref","first-page":"693","DOI":"10.5194\/bg-5-693-2008","article-title":"Biochemical characteristics and bacterial community structure of the sea surface microlayer in the South Pacific Ocean","volume":"5","author":"Obernosterer","year":"2008","journal-title":"Biogeosciences"},{"key":"ref_49","doi-asserted-by":"crossref","first-page":"365","DOI":"10.4319\/lo.1994.39.2.0365","article-title":"Effect of wind on the distribution of phytoplankton cells in lakes revisited","volume":"39","author":"Webster","year":"1994","journal-title":"Limnol. Oceanogr."},{"key":"ref_50","doi-asserted-by":"crossref","first-page":"13","DOI":"10.3354\/meps160013","article-title":"Photoinduction of UV-absorbing compounds in Antarctic diatoms and Phaeocystis antarctica","volume":"160","author":"Riegger","year":"1997","journal-title":"Mar. Ecol. Prog. Ser."},{"key":"ref_51","doi-asserted-by":"crossref","first-page":"1510","DOI":"10.4319\/lo.1989.34.8.1510","article-title":"Modeling in situ phytoplankton absorption from total absorption spectra in productive inland marine waters","volume":"34","author":"Roesler","year":"1989","journal-title":"Limnol. Oceanogr."},{"key":"ref_52","doi-asserted-by":"crossref","first-page":"43","DOI":"10.4319\/lo.1981.26.1.0043","article-title":"Absorption by dissolved organic matter of the sea (yellow substance) in the UV and visible domains","volume":"26","author":"Bricaud","year":"1981","journal-title":"Limnol. Oceanogr."},{"key":"ref_53","doi-asserted-by":"crossref","first-page":"3211","DOI":"10.1029\/2001JC000882","article-title":"Variations in the light absorption coefficients of phytoplankton nonalgal particles and dissolved organic matter in coastal waters around Europe","volume":"108","author":"Babin","year":"2003","journal-title":"J. Geophys. Res."},{"key":"ref_54","doi-asserted-by":"crossref","first-page":"2545","DOI":"10.1029\/1999JC000039","article-title":"Separating in situ and terrigenous sources of absorption by dissolved materials in coastal waters","volume":"106","author":"Twardowski","year":"2001","journal-title":"J. Geophys. Res."},{"key":"ref_55","doi-asserted-by":"crossref","first-page":"231","DOI":"10.1016\/S0304-4203(02)00036-1","article-title":"Photobleaching of chromophoric dissolved organic matter in natural waters: Kinetics and modelling","volume":"78","author":"Blough","year":"2002","journal-title":"Mar. Chem."},{"key":"ref_56","doi-asserted-by":"crossref","first-page":"L03610","DOI":"10.1029\/2009GL042325","article-title":"Tracing global biogeochemical cycles and meridional overturning circulation using chromophoric dissolved organic matter","volume":"37","author":"Nelson","year":"2010","journal-title":"Geophys. Res. Lett."},{"key":"ref_57","doi-asserted-by":"crossref","first-page":"104395","DOI":"10.1016\/j.csr.2021.104395","article-title":"Coloured dissolved organic matter dynamics in the Great Barrier Reef","volume":"219","author":"McKinna","year":"2021","journal-title":"Cont. Shelf Res."},{"key":"ref_58","doi-asserted-by":"crossref","unstructured":"Carpenter, E.J., Capone, D.G., and Rueter, J.G. (1992). Development of algorithms for remote sensing of Trichodesmium blooms. Marine Pelagic Cyanobacteria: Trichodesmium and Other Diazotrophs, Kluwer Academic Publishers.","DOI":"10.1007\/978-94-015-7977-3"}],"container-title":["Remote Sensing"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.mdpi.com\/2072-4292\/14\/15\/3686\/pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T00:00:56Z","timestamp":1760140856000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.mdpi.com\/2072-4292\/14\/15\/3686"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2022,8,1]]},"references-count":58,"journal-issue":{"issue":"15","published-online":{"date-parts":[[2022,8]]}},"alternative-id":["rs14153686"],"URL":"https:\/\/doi.org\/10.3390\/rs14153686","relation":{},"ISSN":["2072-4292"],"issn-type":[{"type":"electronic","value":"2072-4292"}],"subject":[],"published":{"date-parts":[[2022,8,1]]}}}