{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,6]],"date-time":"2026-03-06T18:40:25Z","timestamp":1772822425772,"version":"3.50.1"},"reference-count":69,"publisher":"MDPI AG","issue":"18","license":[{"start":{"date-parts":[[2021,9,21]],"date-time":"2021-09-21T00:00:00Z","timestamp":1632182400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100017028","name":"University of Tennessee at Chattanooga","doi-asserted-by":"publisher","award":["R04.1302.266"],"award-info":[{"award-number":["R04.1302.266"]}],"id":[{"id":"10.13039\/100017028","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100017028","name":"University of Tennessee at Chattanooga","doi-asserted-by":"publisher","award":["R041011-123"],"award-info":[{"award-number":["R041011-123"]}],"id":[{"id":"10.13039\/100017028","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>The Tennessee River in the United States is one of the most ecologically distinct rivers in the world and serves as a great resource for local residents. However, it is also one of the most polluted rivers in the world, and a leading cause of this pollution is storm water runoff. Satellite remote sensing technology, which has been used successfully to study surface water quality parameters for many years, could be very useful to study and monitor the quality of water in the Tennessee River. This study developed a numerical turbidity estimation model for the Tennessee River and its tributaries in Southeast Tennessee using Landsat 8 satellite imagery coupled with near real-time in situ measurements. The obtained results suggest that a nonlinear regression-based numerical model can be developed using Band 4 (red) surface reflectance values of the Landsat 8 OLI sensor to estimate turbidity in these water bodies with the potential of high accuracy. The accuracy assessment of the estimated turbidity achieved a coefficient of determination (R2) value and root mean square error (RMSE) as high as 0.97 and 1.41 NTU, respectively. The model was also tested on imagery acquired on a different date to assess its potential for routine remote estimation of turbidity and produced encouraging results with R2 value of 0.94 and relatively high RMSE.<\/jats:p>","DOI":"10.3390\/rs13183785","type":"journal-article","created":{"date-parts":[[2021,9,21]],"date-time":"2021-09-21T22:35:20Z","timestamp":1632263720000},"page":"3785","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":45,"title":["Remote Sensing of Turbidity in the Tennessee River Using Landsat 8 Satellite"],"prefix":"10.3390","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7623-6560","authenticated-orcid":false,"given":"A. K. M. Azad","family":"Hossain","sequence":"first","affiliation":[{"name":"Department of Biology, Geology and Environmental Science, University of Tennessee at Chattanooga, Chattanooga, TN 37403, USA"}]},{"given":"Caleb","family":"Mathias","sequence":"additional","affiliation":[{"name":"Department of Biology, Geology and Environmental Science, University of Tennessee at Chattanooga, Chattanooga, TN 37403, USA"}]},{"given":"Richard","family":"Blanton","sequence":"additional","affiliation":[{"name":"Hamilton Country Geospatial Technology Department, Chattanooga, TN 37402, USA"}]}],"member":"1968","published-online":{"date-parts":[[2021,9,21]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"2811","DOI":"10.1080\/01431161.2018.1533657","article-title":"Evaluation of RapidEye data for mapping algal blooms in inland waters","volume":"40","author":"Mishra","year":"2019","journal-title":"Int. J. 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