海洋地理信息系统理论基础及其关键技术研究
Definition and structure of marine geographic information system
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摘要: 海洋地理信息系统(MGIS)具有时空处理的强大能力,并在应用上具有潜在优势.以提取海洋现象特征为例,对其在海洋科学中的位置和作用进行了剖析,进而比较分析了MGIS不同于陆地地理信息系统的特殊理论技术的需求,从而定义其功能体系结构.结合所构建的MGIS,详细阐述在本系统创建中主要的理论技术关键,由此展示MGIS对我国海洋调查、研究、资源开发和保护以及国防建设等工作具有的重要意义.
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关键词:
- 海洋地理信息系统(MGIS) /
- 遥感 /
- 定位
Abstract: Marine geographic information system(MGIS)has great ability to deal with the spatio temporal problem and has potential superiority in the applications for ocean research inrecent years.Taking extracting the features of oceanic phenomena as a case to analyse the function of M GI S,the presentation defines the position of MGIS in the oceanography.Comparing the requirement difference between MGIS and the traditional GIS,of which the latter has developed in the terrestrial applications.According to the established MGIS,some key technologies for MGIS are discussed in detail and the speciality is emphasized on when comparing with that in the traditional GIS.-
Key words:
- marine geographic information system /
- remote sensing /
- function structure
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