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学科主题: Engineering, Multidisciplinary ; Materials Science, Multidisciplinary
题名: High resolution temperature measurement technique for measuring marine heat flow
作者: [Qin YangYang ; Yang XiaoQiu ; Wu BaoZhen ; Shi XiaoBin] Chinese Acad Sci, South China Sea Inst Oceanol, CAS Key Lab Marginal Sea Geol, Guangzhou 510301, Guangdong, Peoples R China ; [Qin YangYang] China Univ Geosci, Sch Elect Informat & Mech, Wuhan 430074, Peoples R China ; [Wu BaoZhen] Univ Chinese Acad Sci, Beijing 100049, Peoples R China ; [Sun ZhaoHua] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China
通讯作者: yxq2081@scsio.ac.cn
关键词: marine heat flow measurement ; temperature measurement technique ; temperature resolution ; Pt1000 platinum resistance ; bridge reversal excitation circuit
刊名: SCIENCE CHINA-TECHNOLOGICAL SCIENCES
发表日期: 2013
卷: 56, 期:7, 页:1773-1778
部门归属: 海洋地质
资助者: We are indebted to the crew members of the R/V Shiyan 3 and R/V Shiyan 1 for their efforts to carry out deep ocean floor in-situ heat flow measurement test during the 2011 South China Sea Open Cruise and the 2012 NSFC Sharing Research Cruise in Indian Ocean, South China Sea Institute of Oceanology, CAS, respectively. We wish to thank Prof. Bo Li, Prof. Haobin Dong and Mr. Xianhu Luo for their helpful discussions and good suggestions about temperature measurement technique. This manuscript was improved substantially by comments from three anonymous reviewers. This work was supported jointly by the Instrument Developing Project of the Chinese Academy of Sciences (Grant No. YZ201136), the National Natural Science Foundation of China (Grant No. 41106086), the Knowledge Innovation Program of the Chinese Academy of Sciences (Grant No. SQ201007) and the Key Laboratory of Marginal Sea Geology, Chinese Academy of Sciences (Grant No. MSGL09-08).
摘要: High resolution temperature measurement technique is one of the key techniques for measuring marine heat flow. Basing on Pt1000 platinum resistance which has the characteristics of high accuracy and good stability, we designed a bridge reversal excitation circuit for high resolution temperature measurement. And the deep ocean floor in-situ test results show that: (1) temperature deviation and peak-to-peak resolution of the first version circuit board (V1) are 1.960-1.990 mK and 0.980-0.995 mK at 1.2-2.7A degrees C, respectively; and temperature deviation and peak-to-peak resolution of the second circuit board (V2) are 2.260 mK and 1.130 mK at 1.2-1.3A degrees C, respectively; (2) During the 2012NSFC-IndOcean cruise, seafloor geothermal gradient at Ind2012HF03, -07 and -12 stations (water depth ranges from 3841 to 4541 m) were successfully measured, the values are 59.1, 75.1 and 71.6A degrees C/km, respectively. And the measurement errors of geothermal gradient at these three stations are less than 3.0% in terms of the peak-to-peak resolution. These indicate that the high resolution temperature measurement technique based on Pt1000 platinum resistance in this paper can be applied to marine heat flow measurement to obtain high precision geothermal parameters.
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000320891800023
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/11124
Appears in Collections:中科院边缘海地质重点实验室_期刊论文

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[Qin YangYang; Yang XiaoQiu; Wu BaoZhen; Shi XiaoBin] Chinese Acad Sci, South China Sea Inst Oceanol, CAS Key Lab Marginal Sea Geol, Guangzhou 510301, Guangdong, Peoples R China; [Qin YangYang] China Univ Geosci, Sch Elect Informat & Mech, Wuhan 430074, Peoples R China; [Wu BaoZhen] Univ Chinese Acad Sci, Beijing 100049, Peoples R China; [Sun ZhaoHua] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China.High resolution temperature measurement technique for measuring marine heat flow,SCIENCE CHINA-TECHNOLOGICAL SCIENCES,2013,56(7):1773-1778
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