Jun Chen Qijin Han Yanlong Chen Yongdong Li A Secchi Depth Algorithm Considering the Residual Error in Satellite Remote Sensing Reflectance Data. 1948 2019 11 Remote. Sens. 16 https://doi.org/10.3390/rs11161948 db/journals/remotesensing/remotesensing11.html#ChenHCL19