Surveying and mapping the nearshore Underwater topography of Zhuhai delta island

project background :due to Zhuhai delta island nearshore’water too shallow ,great ship can not drive closely, Artificial boating surveying and mapping is require much time and effort  ,can not get accurate data and unsafe

Equipment:Surveying and mapping unmanned ship(ME70、pilot) 、2 Sounding instruments

Result:The area of iland about 1 square kilometers,Segmented wiring,The total length of the Surveying and mapping is abuout 28 km,takes mapping bathymetric map and so on