Intercomparison of GPS radiosonde soundings during the eastern tropical Indian Ocean experiment
Xie, Q; Huang, K; Wang, DX; Yang, L; Chen, J; Wu, ZW; Li, DN; Liang, ZY; dxwang@scsio.ac.cn
2014
发表期刊ACTA OCEANOLOGICA SINICA
ISSN0253-505X
卷号33期号:1页码:127-134
摘要Temperature and relative humidity profiles derived from two China-made global positioning system (GPS) radiosondes (GPS-TK and CF-06-A) during the east tropical Indian Ocean (ETIO) experiment were compared with Vaisala RS92-SGP to assess the performances of China-made radiosondes over the tropical ocean. The results show that there have relative large biases in temperature observations between the GPS-TK and the R592-SGP in the low troposphere, with a warm bias of greater than 2 Kin the day and a cooling bias of 0.6 K at night. The temperature differences of the CF-06-A were small in the troposphere both in daytime and nighttime, and became large peak-to-peak fluctuations in the stratosphere. The intercomparison of the relative humidity showed that the CF-06-A had large random errors due to the limitation of sensors and the lack of correction scheme, and the GPS-TK had large systematic biases in the low troposphere which might be related to the temperature impact. GPS height measurements are clearly suitable for China-made radiosonde systems operation. At night, the CF-06-A and the GPS-TK could provide virtual potential temperature and atmospheric boundary layer height measurements of suitable quality for both weather and climate research. As a result of the intercomparison experiment, major errors in the China-made radiosonde systems were well indentified and subsequently rectified to ensure improving accuracy for historical and future radiosondes.
部门归属[Xie Qiang ; Huang Ke ; Wang Dongxiao ; Yang Lei ; Chen Ju ; Wu Zewen ; Li Daning] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China ; [Xie Qiang] Chinese Acad Sci, Sanya Inst Deep Sea Sci & Engn, Sanya 572099, Peoples R China ; [Huang Ke] Univ Chinese Acad Sci, Beijing 100049, Peoples R China ; [Wu Zewen ; Li Daning] Chinese Acad Sci, South China Sea Inst Oceanol, Xisha & Nansha Abyssal Marine Environm Res Stn, Guangzhou 510301, Guangdong, Peoples R China ; [Liang Zhiyan] Guangzhou Meteorol Observ, Guangzhou 510080, Guangdong, Peoples R China
关键词Global Positioning System Radiosonde Temperature And Relative Humidity Profile Systematic Bias Random Error Tropical Ocean
学科领域Oceanography
资助者The National Basic Research Program (973 Program) of China [2011CB403503, 2011CB403504]; National Natural Science Foundation of China [41276024]; Major Program of the National Natural Science Foundation of China [91228202]; National Foundation of the Indian Ocean Opening Voyage Project of China [41149903, 41049908] ; The National Basic Research Program (973 Program) of China [2011CB403503, 2011CB403504]; National Natural Science Foundation of China [41276024]; Major Program of the National Natural Science Foundation of China [91228202]; National Foundation of the Indian Ocean Opening Voyage Project of China [41149903, 41049908] ; The National Basic Research Program (973 Program) of China [2011CB403503, 2011CB403504]; National Natural Science Foundation of China [41276024]; Major Program of the National Natural Science Foundation of China [91228202]; National Foundation of the Indian Ocean Opening Voyage Project of China [41149903, 41049908] ; The National Basic Research Program (973 Program) of China [2011CB403503, 2011CB403504]; National Natural Science Foundation of China [41276024]; Major Program of the National Natural Science Foundation of China [91228202]; National Foundation of the Indian Ocean Opening Voyage Project of China [41149903, 41049908]
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收录类别sci
资助项目LTO
资助者The National Basic Research Program (973 Program) of China [2011CB403503, 2011CB403504]; National Natural Science Foundation of China [41276024]; Major Program of the National Natural Science Foundation of China [91228202]; National Foundation of the Indian Ocean Opening Voyage Project of China [41149903, 41049908] ; The National Basic Research Program (973 Program) of China [2011CB403503, 2011CB403504]; National Natural Science Foundation of China [41276024]; Major Program of the National Natural Science Foundation of China [91228202]; National Foundation of the Indian Ocean Opening Voyage Project of China [41149903, 41049908] ; The National Basic Research Program (973 Program) of China [2011CB403503, 2011CB403504]; National Natural Science Foundation of China [41276024]; Major Program of the National Natural Science Foundation of China [91228202]; National Foundation of the Indian Ocean Opening Voyage Project of China [41149903, 41049908] ; The National Basic Research Program (973 Program) of China [2011CB403503, 2011CB403504]; National Natural Science Foundation of China [41276024]; Major Program of the National Natural Science Foundation of China [91228202]; National Foundation of the Indian Ocean Opening Voyage Project of China [41149903, 41049908]
WOS记录号WOS:000330092300016
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被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/10592
专题热带海洋环境国家重点实验室(LTO)
通讯作者dxwang@scsio.ac.cn
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Xie, Q,Huang, K,Wang, DX,et al. Intercomparison of GPS radiosonde soundings during the eastern tropical Indian Ocean experiment[J]. ACTA OCEANOLOGICA SINICA,2014,33(1):127-134.
APA Xie, Q.,Huang, K.,Wang, DX.,Yang, L.,Chen, J.,...&dxwang@scsio.ac.cn.(2014).Intercomparison of GPS radiosonde soundings during the eastern tropical Indian Ocean experiment.ACTA OCEANOLOGICA SINICA,33(1),127-134.
MLA Xie, Q,et al."Intercomparison of GPS radiosonde soundings during the eastern tropical Indian Ocean experiment".ACTA OCEANOLOGICA SINICA 33.1(2014):127-134.
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