Radar digital image technologies for the sea ice field observation based on an oil/gas platform and the measurement of the sea ice velocity

JI Shunying; CHEN Xiaodong; LIU Yu; TANG Maoning; LIU Zongxun; WANG Yuxin

doi:10.3969/j.issn.0253-4193.2013.03.014

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Article Navigation > Haiyang Xuebao > 2013 > 35(3): 119-127

JI Shunying, CHEN Xiaodong, LIU Yu, TANG Maoning, LIU Zongxun, WANG Yuxin. Radar digital image technologies for the sea ice field observation based on an oil/gas platform and the measurement of the sea ice velocity[J]. Haiyang Xuebao, 2013, 35(3): 119-127. doi: 10.3969/j.issn.0253-4193.2013.03.014

Citation:

JI Shunying, CHEN Xiaodong, LIU Yu, TANG Maoning, LIU Zongxun, WANG Yuxin. Radar digital image technologies for the sea ice field observation based on an oil/gas platform and the measurement of the sea ice velocity[J]. Haiyang Xuebao, 2013, 35(3): 119-127. doi: 10.3969/j.issn.0253-4193.2013.03.014

Citation:

JI Shunying, CHEN Xiaodong, LIU Yu, TANG Maoning, LIU Zongxun, WANG Yuxin. Radar digital image technologies for the sea ice field observation based on an oil/gas platform and the measurement of the sea ice velocity[J]. Haiyang Xuebao, 2013, 35(3): 119-127. doi: 10.3969/j.issn.0253-4193.2013.03.014

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Radar digital image technologies for the sea ice field observation based on an oil/gas platform and the measurement of the sea ice velocity

doi: 10.3969/j.issn.0253-4193.2013.03.014

1.
State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology, Dalian 116023, China
2.
Key Laboratory of State Oceanic Administration for Research on Marine Hazards Forecasting, National Marine Environmental Forecasting Center, State Oceanic Administration, Beijing 100081, China
3.
School of Computer Science and Engineering, Dalian University of Technology, Dalian 116023, China

Received Date: 2012-04-16
Rev Recd Date: 2013-01-29

Abstract

Abstract

Sea ice brings negative influences on offshore structures, nautical transportation and aquaculture in the Liaodong Gulf, where the sea ice condition is most severe in the Bohai Sea. The accurate, successive and long-periodic real time observation of sea ice parameters is necessary for the investigation of sea ice thermodynamics and dynamics, and also guarantees the safety in an oil/gas exploitation. A sea ice radar observation system is set up on the JZ20-2 oil/gas platform according to the sea ice characteristics and engineering requirement of the Liaodong Gulf. A digital image processing and analyzing system for sea ice radar observation data is developed to extract sea ice concentration, ice velocity and ice floe area. The sea ice conditions in the JZ20-2 oil field are monitored and analyzed with this radar observation system and digital image processing software during the winter of 2011-2012. Especially, the field distribution of the sea ice velocity and the mean ice velocity in 48 h are analyzed. The results provide real time sea ice information for the sea ice management in the oil/gas field, and the investigation of sea ice drifting. Some open problems and improvements for the sea-ice radar observation and the digital image processing system are discussed.
- sea ice,
- radar observation,
- digital image processing,
- ice velocity,
- ice concentration,
- ice floe area

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