GEBCO 해양 수심 측량 지도
General Bathymetric Chart of the Oceans (GEBCO) 출처 : http://www.bodc.ac.uk/ Full resolution (32 MB) Reduced resolution (3.5 MB) 지도제작 : Nippon Foundation/GEBCO Training Project at the Center for Coastal and Ocean Mapping of the University of New Hampshire, USA. 상업적 이용불가
2011.03.25