1. Beijing Laboratory of Water Resource Security, State Key Laboratory Incubation Base of Urban Environmental Processes and Digital Simulation, College of Geo-spatial Information Science and Technology, Capital Normal University, 105 West 3rd Ring Road, Beijing 10048, China
2. National Experimental Teaching Demonstration Center of Geographic Science and Technology, 105 West 3rd Ring Road, Beijing 10048, China
3. Center for Observation & Modeling of Earthquakes, Volcanoes & Tectonics (COMET),School of Civil Engineering and Geosciences, Newcastle University, Newcastle upon Tyne, Tyne and Wear NE1 7RU, UK