Shandong Institute of Geological Sciences;
Shandong Key Laboratory of Geological Process and Resource Utilization in Metallic Minerals;
Key Laboratory of Gold Mineralization Process and Resource Utilization Subordinate to the Ministry of Land and Resource;
Shandong Provincial Key Laboratory of Depositional Mineralization and Sedimentary Minerals;
Shandong University of Science and Technology;
School of Civil Engineering;
Shandong University;
coastline; evolution; remote; sensing; Yellow; River; Delta; morphological; evolution; social-ecological; challenge;