The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login  | Sign Up  |  Oriprobe Inc. Feed
China/Asia On Demand
Journal Articles
Laws/Policies/Regulations
Companies/Products
Bookmark and Share
Datum Interpolation in Water Level Correction and Technique for Restricting Its Error
Author(s): 
Pages: 11-14
Year: Issue:  6
Journal: Hydrographic Surveying and Charting

Keyword:  hydrographic surveywater level correctionvertical datumvertical datum transferspatial interpolationdepth data;
Abstract: 分析了水位改正中隐含的基准面空间内插形式,理论推导了基准面空间内插的数学描述,表明水位改正中隐含的基准面空间内插方式与潮汐比较参数的内插方式相一致,基准面空间内插误差为基准面相对平均海面的垂直差距的空间内插误差.仿真实验对此进行了验证.现阶段减弱与控制该误差的最可行手段是,由L值模型仿真不同验潮站空间配置下基准面空间内插误差的空间分布,为验潮站布设设计提供先验信息.而未来建立以平均海面为基本海洋垂直基准的综合海洋垂直基准框架是最有效手段.海洋测量水深数据的处理和计算机存储都应保留以平均海面为基准面的成果,通过垂直基准转换方式可满足多用途需求.
Related Articles
No related articles found