{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T03:58:56Z","timestamp":1760241536609,"version":"build-2065373602"},"reference-count":74,"publisher":"MDPI AG","issue":"5","license":[{"start":{"date-parts":[[2018,4,29]],"date-time":"2018-04-29T00:00:00Z","timestamp":1524960000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"the National Key Research and Development Program of China","award":["No. 2016YFC1400901"],"award-info":[{"award-number":["No. 2016YFC1400901"]}]},{"DOI":"10.13039\/501100001809","name":"the National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["No. 41576172","No. 41506200"],"award-info":[{"award-number":["No. 41576172","No. 41506200"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>Spatial and temporal variations in colored dissolved organic matter (CDOM) are of great importance to understanding the dynamics of the biogeochemical properties of water bodies. This study proposed a remote sensing approach for estimating CDOM concentrations (CCDOM) based on in situ observations from the Bohai Sea (BS) and the North Yellow Sea (NYS). Cross-validation demonstrated that the accuracy of the CDOM algorithm is R2 = 0.78, APD = 15.9%, RMSE = 0.92 (ppb). The CDOM algorithm was applied to estimate the 14-year (2003\u20132016) sea surface CCDOM in the BS and NYS areas using Moderate Resolution Imaging Spectroradiometer (MODIS) monthly products. The results showed a significant fluctuation in CDOM variations on a long-term scale. The highest values of CDOM were observed in the BS, the middle values were observed in the Bohai Strait, and the lowest values were observed in the NYS. Seasonal variations were observed with long-lasting high CDOM values from June to August in coastal waters, while relatively low values were observed in the NYS in the summer. In the spring and fall, a distinct increase appeared in the NYS. High CDOM values in the nearshore coastal waters were mostly related to terrestrial inputs, while CDOM in the offshore regions was mainly due to autochthonous production. Furthermore, ocean currents played an important role in the variations in CDOM in the BS and NYS areas, especially for variations in CDOM in the Bohai Strait.<\/jats:p>","DOI":"10.3390\/rs10050688","type":"journal-article","created":{"date-parts":[[2018,4,30]],"date-time":"2018-04-30T03:45:49Z","timestamp":1525059949000},"page":"688","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Long-Term Changes in Colored Dissolved Organic Matter from Satellite Observations in the Bohai Sea and North Yellow Sea"],"prefix":"10.3390","volume":"10","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3437-0264","authenticated-orcid":false,"given":"Cong","family":"Xiao","sequence":"first","affiliation":[{"name":"School of Marine Sciences, Nanjing University of Information Science &amp; Technology, Nanjing 210044, China"}]},{"given":"Deyong","family":"Sun","sequence":"additional","affiliation":[{"name":"School of Marine Sciences, Nanjing University of Information Science &amp; Technology, Nanjing 210044, China"},{"name":"Jiangsu Research Center for Ocean Survey Technology, NUIST, Nanjing 210044, China"}]},{"given":"Shengqiang","family":"Wang","sequence":"additional","affiliation":[{"name":"School of Marine Sciences, Nanjing University of Information Science &amp; Technology, Nanjing 210044, China"},{"name":"Jiangsu Research Center for Ocean Survey Technology, NUIST, Nanjing 210044, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1167-3991","authenticated-orcid":false,"given":"Zhongfeng","family":"Qiu","sequence":"additional","affiliation":[{"name":"School of Marine Sciences, Nanjing University of Information Science &amp; Technology, Nanjing 210044, China"},{"name":"Jiangsu Research Center for Ocean Survey Technology, NUIST, Nanjing 210044, China"}]},{"given":"Yu","family":"Huan","sequence":"additional","affiliation":[{"name":"School of Marine Sciences, Nanjing University of Information Science &amp; Technology, Nanjing 210044, China"}]},{"given":"Jiabao","family":"Zhang","sequence":"additional","affiliation":[{"name":"College of Horbour Coastal and offshore engineering, Hohai University, Nanjing 210044, China"}]}],"member":"1968","published-online":{"date-parts":[[2018,4,29]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"5511","DOI":"10.1021\/es300345c","article-title":"Variations of DOM quality in inflows of a drinking water reservoir: Linking of van Krevelen diagrams with EEMF spectra by rank correlation","volume":"46","author":"Herzsprung","year":"2012","journal-title":"Environ. 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