| 基于姿态校正的RTK潮位在琼州海峡地形测量中的应用 |
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| 引用本文： | 熊明宽,吴自银,姚才华,李守军,尚继宏,罗孝文,乔吉果.基于姿态校正的RTK潮位在琼州海峡地形测量中的应用[J].海洋技术,2012,31(1):36-40. |
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| 作者姓名： | 熊明宽 吴自银 姚才华 李守军 尚继宏 罗孝文 乔吉果 |
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| 作者单位： | 国家海洋局第二海洋研究所,国家海洋局海底科学重点实验室,浙江杭州310012 |
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| 基金项目： | 海洋公益专项——珠江口、台湾浅滩地形变化监测管理保障系统(201105001)资助项目;国家海洋局第二海洋研究所基本科研业务费专项资助项目(JG1105) |
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| 摘 要： | 潮位改正是多波束地形勘测中的重要环节。琼州海峡跨海工程中分别利用验潮潮位和RTK潮位进行潮位改正,对比结果发现初始RTK潮位改正后的数据存在较大偏差,最大可达1.5 m。通过对RTK测量潮位进行姿态校正后,其结果与验潮潮位的偏差减小,可以控制在0.3 m以内。5-6月的琼州海峡正是西南季风爆发时间,海峡海流的流向具有复杂性,涨落潮都伴随着较大的风浪,RTK潮位测量忽略风浪带来的影响是出现较大误差的重要原因。
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| 关 键 词： | RTK潮位 验潮潮位 潮位改正 姿态校正 |
Application of RTK Tide in Topographic Surveying Based on Attitude Correction in the Qiongzhou Strait |
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| XIONG Ming-kuan
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WU Zi-yin
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YAO Cai-hua
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LI Shou-jun
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SHANG Ji-hong
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LUO Xiao-wen
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QIAO Ji-guo.Application of RTK Tide in Topographic Surveying Based on Attitude Correction in the Qiongzhou Strait[J].Ocean Technology,2012,31(1):36-40. |
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| Authors: | XIONG Ming-kuan WU Zi-yin YAO Cai-hua LI Shou-jun SHANG Ji-hong LUO Xiao-wen QIAO Ji-guo |
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| Institution: | (Key Laboratory of Submarine Geosciences,Second Institute of Oceanography,SOA,Hangzhou Zhejiang 310012,China) |
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| Abstract: | Tidal correction is an important step in the topographic survey of multi-beam.The sea-crossing projects of Qiongzhou Strait’s tide level correction were made using tidal gauging and RTK tidal level correction individually.The data appeared bigger deviation using RTK tidal level correction which had reached 1.5 m.The deviation could be restricted within 0.3 m after the attitude correction of the RTK tidal level,which is close to the tidal gauging.Every year,the May to June is the season of the southwest monsoon outbreak.Thus the tide rising and ebbing are followed by large wind wave for the complexity of current,which is the important cause of deviation using RTK tidal level correction. |
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| Keywords: | RTK tidal level tidal gauging tidal level correction attitude correction |
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