Unmanned boats survey China coast
Print Edition
Two unmanned boats developed by Shanghai University are joining the Guangzhou Marine Geological Survey to collect data and take videos along the country’s 18,000-kilometer coastline.
The unmanned boats — Jinghai No. 3 and Jinghaihong — will be carried by China’s new-generation offshore fishing ship Yuexiayu 90215, which has a displacement of 887 tons and is equipped with a crane for lifting the boats.
The boats have just finished surveying the geological marine conditions in the Dongmaozhou Islands off the city of Sanya in Hainan Province, where surveyors failed to carry out a field survey last year after ships ran aground.
It was the first time that unmanned boats had been used in such a survey, said senior engineer Wen Mingming from the Guangzhou subsidiary of the China Geological Survey.
“Many shallow coasts are complicated and likely to leave survey boats stranded. While, the unmanned boats can fit in and eliminate risks for surveyors,” Wen said.
Jinghai No. 3 is 6.28 meters long and 2.86 meters wide, with a load capacity of 2.6 tons and a cruising power of 200 nautical miles.
It can conduct automatic topographical mapping, sea floor exploration and environmental monitoring.
The 2.7-meter-long Jinghaihong is the newest model developed by Shanghai University, with a speed of 6 nautical miles per hour. It can perform automatic route planning and navigation while collecting hydrological data.
Shanghai University unmanned vessel research institute is China’s first institute for designing and developing such vessels with advanced communication and computing systems.
Guangzhou Marine Geological Survey is responsible for comprehensive geological survey of coastal zones in Guangdong, Fujian and Hainan provinces, as well as the Guangxi Zhuang Autonomous Region.
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