国产DW 1633 CTD与美国Sea-Bird 911 CTD南海剖面温度观测比对分析研究  

Comparative Analysis of Temperature Observation in the South China Sea Profilers Between DW 1633 CTD and American Sea-Bird 911 CTD

作　　者：张若华 徐常三 ZHANG Ruohua;XU Changsan(Key Laboratory of Marine Hazards Forecasting,Ministry of Natural Resources,Hohai University,Nanjing 210098,China)

机构地区：[1]河海大学自然资源部海洋灾害预报技术重点实验室,江苏南京210098

出　　处：《海洋技术学报》2022年第5期43-52,共10页Journal of Ocean Technology

摘　　要：为了检验国产温盐深剖面仪(CTD)的基本性能和观测精度,“嘉庚号”科学考察船于2021年夏初在南海开展了DW 1633 CTD和美国Sea-Bird 911 CTD的现场温度剖面观测比对试验。本次试验共获取剖面33个,最深4 180 m,最浅500 m,可实现对深海和浅海观测能力的同步检验。本文对两种型号CTD所获取的温度剖面资料进行了比对分析。结果显示,DW 1633CTD和Sea-Bird 911 CTD基本吻合,平均绝对误差为0.006℃,最大绝对误差为0.424℃,平均均方根误差为0.025℃。In order to test the basic performance and observation accuracy of the domestic Conductivity-Temperature-Depth profiler(CTD),the scientific investigation ship "TAN KAH KEE" carried out the field temperature profile observation and comparison test of DW 1633CTD and Sea-Bird 911 CTD in the South China Sea in the early summer of 2021.A total of 33 profiles were obtained in this test,with a maximum depth of 4 180 m and a minimum depth of 500 m,which can realize the synchronous inspection of deep sea and shallow sea observation capabilities.In this paper,the temperature profiles obtained by two types of CTD are compared and analyzed.The results show that DW1633 CTD is basically consistent with Sea-Bird 911 CTD.The average absolute error is 0.006 ℃,the maximum absolute error is 0.424 ℃,and the average root mean square error is 0.025 ℃.

关 键 词：温盐深剖面仪 比对试验 误差分析 温度 

分 类 号：P715.3[天文地球—海洋科学]