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| 涨落潮历时时间不等显著海区的水位改正问题 | |
| 引用本文： | 孙昊,黄辰虎,蒋红燕,刘雷,翟国君.涨落潮历时时间不等显著海区的水位改正问题[J].海洋测绘,2014,34(6):17-20. |
| 作者姓名： | 孙昊 黄辰虎 蒋红燕 刘雷 翟国君 |
| 作者单位： | 1. 海军司令部航海保证部,北京,100841 2. 海军海洋测绘研究所,天津,300061 3. 北海航海保障中心天津海事测绘中心,天津,300222 |
| 基金项目： | 国家自然科学基金，国家863计划 |
| 摘 要： | 在涨潮、落潮历时时间不等显著的特殊海区实施水深测量水位改正,不合理的计算潮时差将与实际产生明显差异。分析了涨落潮历时时间不等产生的原因,推导了涨落潮历时时间的近似计算公式,为保证水深测量成果质量,提出了在类似海区应逐日分别计算涨潮和落潮时段的潮时差以实施较合理水位改正。 |
| 关 键 词： | 水深测量 水位改正 涨潮 落潮 潮时差 |
Water Level Correction at Salient Sea Areas of Tidal Duration Inequality Between Flood and Ebb Tide |
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| SUN Hao,HUANG Chenhu,JIANG Hongyan,LIU Lei,ZHAI Guojun.Water Level Correction at Salient Sea Areas of Tidal Duration Inequality Between Flood and Ebb Tide[J].Hydrographic Surveying and Charting,2014,34(6):17-20. | |
| Authors: | SUN Hao HUANG Chenhu JIANG Hongyan LIU Lei ZHAI Guojun |
| Institution: | SUN Hao,HUANG Chenhu,JIANG Hongyan,LIU Lei,ZHAI Guojun( 1.Navigation Guarantee Department of Naval Headquarters, Beijing 100841, China; 2.Naval Institute of Hydrographic Surveying and Charting,Tianjin 300061 ,China; 3.The Navigation Guarantee Center of North China Sea,Hydrographic Surveys Center, Tianjin 300222 China) |
| Abstract: | There is a significant difference between illogically calculated tide time differences and actual numerical values when conducting water level correction in bathymetries at sea areas where tidal duration inequality between flood and ebb tides is salient.Some detailed analyses about the cause are made.A plurality of formulas are derived.In order to ensure the quality of the sounding products,the tide time differences in the flood and ebb tide duration at the similar areas should be calculated respectively day by day. |
| Keywords: | sounding water level correction the flow tide the ebb tide tide time difference |
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