A New Algorithm to Estimate Diffuse Attenuation Coefficient from Secchi Disk Depth by Alejandra Castillo-Ramírez, Eduardo Santamaría-del-Ángel, Adriana González-Silvera, Robert Frouin, María-Teresa Sebastiá-Frasquet, Jing Tan, Jorge Lopez-Calderon, Laura Sánchez-Velasco, Luis Enríquez-Paredes

Subjects: “…Secchi disk…”
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Effects of limnological and morphometric factors upon Zmin, Zmax and width of Egeria spp stands in a tropical reservoir by Sandra Andréa Pierini, Sidinei Magela Thomaz

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An Improved QAA-Based Method for Monitoring Water Clarity of Honghu Lake Using Landsat TM, ETM+ and OLI Data by Miaomiao Chen, Fei Xiao, Zhou Wang, Qi Feng, Xuan Ban, Yadong Zhou, Zhengzheng Hu

Subjects: “…Secchi disk depth…”
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Smartphone–Camera–Based Water Reflectance Measurement and Typical Water Quality Parameter Inversion by Min Gao, Junsheng Li, Shenglei Wang, Fangfang Zhang, Kai Yan, Ziyao Yin, Ya Xie, Wei Shen

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Direct and indirect analysis of contamination levels in lakes of two adjacent areas by J. Figueroa Jiménez1, N. Guerrero Del Castillo, J. Musa Wasil, K. Malave-Llamas, C. Morales Agrinzoni

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Natural and human activities driving the spatiotemporal variability of water clarity in lakes across Eastern China by Ming Shen, Zhigang Cao, Kun Xue, Dong Liu, Tianci Qi, Jinge Ma, Hongtao Duan

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Decline in Transparency of Lake Hongze from Long-Term MODIS Observations: Possible Causes and Potential Significance by Na Li, Kun Shi, Yunlin Zhang, Zhijun Gong, Kai Peng, Yibo Zhang, Yong Zha

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Water clarity changes in Lake Taihu over 36 years based on Landsat TM and OLI observations by Ziyao Yin, Junsheng Li, Yao Liu, Ya Xie, Fangfang Zhang, Shenglei Wang, Xiao Sun, Bing Zhang

Subjects: “…Secchi disk depth…”
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Variations of Water Transparency and Impact Factors in the Bohai and Yellow Seas from Satellite Observations by Yan Zhou, Dingfeng Yu, Qian Yang, Shunqi Pan, Yingying Gai, Wentao Cheng, Xiaoyan Liu, Shilin Tang

Subjects: “…Secchi disk depth…”
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Development of a Solar-Powered IoT-Based Instrument for Automatic Measurement of Water Clarity by Tuan Ngoc Pham, Anh Pham Huy Ho, Tuong Van Nguyen, Ha Minh Nguyen, Nhu Huynh Truong, Nguyen Duc Huynh, Tung Huy Nguyen, Le The Dung

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An Overall Evaluation of Water Transparency in Lake Malawi from MERIS Data by Augusto Vundo, Bunkei Matsushita, Dalin Jiang, Mangaliso Gondwe, Rossi Hamzah, Fajar Setiawan, Takehiko Fukushima

Subjects: “…Secchi Disk Depth…”
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Water Quality Measurement and Modelling Based on Deep Learning Techniques: Case Study for the Parameter of Secchi Disk by Feng Lin, Libo Gan, Qiannan Jin, Aiju You, Lei Hua

Subjects: “…Secchi disk…”
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Citizen Science Tools Reveal Changes in Estuarine Water Quality Following Demolition of Buildings by Nandini Menon, Grinson George, Rajamohananpillai Ranith, Velakandy Sajin, Shreya Murali, Anas Abdulaziz, Robert J. W. Brewin, Shubha Sathyendranath

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Detecting centennial changes in the clarity and colour of the Red and Eastern Mediterranean Seas by retracing the “Pola” expeditions by Jonathan R. Heath, Robert J. W. Brewin, Jaime Pitarch, Dionysios E. Raitsos

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Assessing water quality by remote sensing in small lakes: the case study of Monticchio lakes in southern Italy by Mancino G, Nolè A, Urbano V, Amato M, Ferrara A

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A Semianalytical Algorithm for Estimating Water Transparency in Different Optical Water Types from MERIS Data by Anastazia Daniel Msusa, Dalin Jiang, Bunkei Matsushita

Subjects: “…secchi disk depth…”
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Improving remote sensing retrieval of global ocean transparency with optical water classification by Tianxia Jia, Yonglin Zhang, Chen Weng, Rencai Dong

Subjects: “…Secchi disk depth…”
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Re-evaluation of Padre Secchi’s visual method for modern oceanography by Jari Hänninen, Johannes Sahlstén

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Mapping Changes of Water Quality Parameters Pattern in Anzali International Wetland Using Remote Sensing by Ahmad Reza Pirali Zefrehei, Aliakbar Hedayati, Maryam Fallah

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A Printable Device for Measuring Clarity and Colour in Lake and Nearshore Waters by Robert J. W. Brewin, Thomas G. Brewin, Joseph Phillips, Sophie Rose, Anas Abdulaziz, Werenfrid Wimmer, Shubha Sathyendranath, Trevor Platt

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