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Examination of Measuring Properties and Comparison of Measuring Data at Sea for the CZT1-2 Ship-borne Multi-Parameter Drag Measurement System
Author(s): 
Pages: 71-75
Year: Issue:  2
Journal: Ocean Technology

Keyword:  drag profile measurement systemBohai Seacomparison;
Abstract: The ship-borne drag multi-parameter profile measurement system is important observing equipment used to measure various marine environmental factors, including temperature, depth, turbidity, dissolved oxygen,p H and chlorophyll concentration, and to provide information on the marine environment. Based on the test for the CZT1-2 ship-borne multi-parameter drag profile system carried out in August 2011 in the Bohai Sea, this paper studies the applicable effect of domestic equipment in Bohai area. The results show that in the fixed-point comparison tests of sensors, correlation coefficients of temperature, salinity are relatively good, while the relative errors of nitrates, nitrites, phosphates, silicates and ammonia nitrogen are larger. In the sea test, a 8-h test for the ship-borne drag multi-parameter profile measurement system has completed the expected experimental programs,during which the drag system(including sensors) and the deck component work well and have good reliability and environmental adaptability, providing a sound basis for the improvement, optimization and industrialization of the system. This paper also puts forward corresponding suggestions for improving the tests at sea.
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