华东师范大学,资源与环境科学学院地理系,上海,200062;
华东师范大学,资源与环境科学学院地理系,上海,200062;
地理信息科学教育部重点实验室,华东师范大学,上海,200062;
Department of Earth sciences.University of Arhus,DK-8000 Arhus C,Denmark;
Geologocal Survey of Denmark and Greenland,φster Voldgade 10,DK-1350 Copenhagen K.Denmark;