“…And the environmental monitoring studies were also conducted from the OISST, ARGO, MODIS, Landsat, and TerraSAR-X images (Baek and Moon, 2019;Chen et al, 2019a;Eom et al, 2019;Hong et al, 2019;Jeong et al, 2019;Jung et al, 2019;Lee et al, 2019a;Li et al, 2019;Ma et al, 2019;Mu et al, 2019;Sun et al, 2019;Tong et al, 2019;Qing, Hao, and Bao, 2019;Ren et al, 2019b;Xiao, Zhang, and Qin, 2019;Zhang et al, 2019aZhang et al, , 2019b The research topics of the oil spill, typhoon, flood, and nuclear radiation emergent have been carried out by using optical and SAR images (Bing et al, 2019;Jin et al, 2019;Kim and Moon, 2019;Park et al, 2019b;Syifa et al, 2019;Yang et al, 2019). Moreover, the specific topics related to marine spatial planning have been studied (Achmad et al, 2019;Bae et al, 2019;Chu et al, 2019;Chun and Lee, 2019;Jang et al, 2019;Kim et al, 2019b;Kim, Baek, and Hwang, 2019;Ko and Lee, 2019;Koo et al, 2019;Lee et al, 2019bLee et al, , 2019cLee et al, , 2019dOh et al, 2019aOh et al, , 2019bPark, 2019;Park et al 2019c;Ren et al, ...…”