| 自容式压力验潮仪水位观测值影响因素与改正 |
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| 引用本文： | 肖付民,孙新轩,边刚,金绍华,夏伟.自容式压力验潮仪水位观测值影响因素与改正[J].海洋测绘,2014(2):35-37. |
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| 作者姓名： | 肖付民 孙新轩 边刚 金绍华 夏伟 |
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| 作者单位： | 海军大连舰艇学院海洋测绘系,辽宁大连116018 |
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| 基金项目： | 武汉大学地球空间环境与大地测量教育部重点实验室基金（11-01-05）. |
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| 摘 要： | 自容式压力验潮仪是目前海道测量水位观测的常用设备。在实际应用中,由于忽略了环境因素及其变化对水位观测精度的影响,可能获取不到高质量的水位观测数据,进而影响到海道测量成果的数据质量。在简要分析自容式压力验潮仪水位测量原理的基础上,利用数值计算方法,探讨了气压、密度和重力加速度变化对自容式压力验潮仪观测水位的影响规律,并提出了提高自容式压力验潮仪水位观测精度的一般改正方法。
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| 关 键 词： | 海道测量 自容式压力验潮仪 气压 水密度 重力加速度 水位观测 |
Analysis of the Effects on the Water-level Observations of Self-contained Pressure Sensor Gauge |
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| XIAO Fumin,SUN Xinxuan,BIAN Gang,JIN Shaohu,XIA Wei.Analysis of the Effects on the Water-level Observations of Self-contained Pressure Sensor Gauge[J].Hydrographic Surveying and Charting,2014(2):35-37. |
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| Authors: | XIAO Fumin SUN Xinxuan BIAN Gang JIN Shaohu XIA Wei |
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| Institution: | (Department of Hydrography and Cartography, Dalian Naval Academy, Dalian 116018, China) |
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| Abstract: | The self-contained pressure gauge has been the common tool of water level observations in hydrographic surveys.If the environment factors and its variation are not considered in the field water level observation,the high quality water level data can not be acquired,and then the data quality of hydrographic products may be debased accordingly.Based on the brief analysis of the observation principle of the self-contained pressure gauge,the effect rules of the observed value which caused by the variation of air pressure,water density and acceleration of gravity are analyzed by using numerical calculation in this paper.In order to improve the data quality of the self-contained pressure gauge,some correction methods are put forward. |
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| Keywords: | hydrography self-contained pressure sensor gauge air pressure water density gravitational acceleration water-level observation |
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