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  2. General Bathymetric Chart of the Oceans - Wikipedia

    en.wikipedia.org/wiki/General_Bathymetric_Chart...

    The General Bathymetric Chart of the Oceans (GEBCO) is a publicly available bathymetric chart of the world's oceans. The project was conceived with the aim of preparing a global series of charts showing the general shape of the seafloor. Over the years it has become a reference map of the bathymetry of the world's oceans for scientists and others.

  3. Bathymetry - Wikipedia

    en.wikipedia.org/wiki/Bathymetry

    A bathymetric chart is a type of isarithmic map that depicts the submerged bathymetry and physiographic features of ocean and sea bottoms. [26] Their primary purpose is to provide detailed depth contours of ocean topography as well as provide the size, shape and distribution of underwater features.

  4. Global relief model - Wikipedia

    en.wikipedia.org/wiki/Global_Relief_Model

    The bathymetric component of SRTM30_PLUS gets regularly updated with new or improved data sets in order to continuously improve and refine the description of the sea floor geometry. Over land areas, SRTM30 data from the USGS is included. SRTM30_PLUS provides background information for Google Earth and Google Maps.

  5. Bathymetric chart - Wikipedia

    en.wikipedia.org/wiki/Bathymetric_chart

    A bathymetric chart is a type of isarithmic map that depicts the submerged bathymetry and physiographic features of ocean and sea bottoms. [1] Their primary purpose is to provide detailed depth contours of ocean topography as well as provide the size, shape and distribution of underwater features.

  6. Satellite-derived bathymetry - Wikipedia

    en.wikipedia.org/wiki/Satellite-derived_bathymetry

    SDB methods can provide bathymetric data with varying spatial resolution, depending on the analysis method and its underlying physics. The most common methods for coastal and very high resolution (1 to 30 meters) bathymetric data are based on multispectral satellite sensors and the analytical inversion of the radiative transfer equation - often referred to as physical SDB methods [2] or ...

  7. Google Earth - Wikipedia

    en.wikipedia.org/wiki/Google_Earth

    Google Earth is a web and computer program that renders a 3D representation of Earth based primarily on satellite imagery.The program maps the Earth by superimposing satellite images, aerial photography, and GIS data onto a 3D globe, allowing users to see cities and landscapes from various angles.

  8. Nautical chart - Wikipedia

    en.wikipedia.org/wiki/Nautical_chart

    Nautical charts are based on hydrographic surveys and bathymetric surveys. As surveying is laborious and time-consuming, hydrographic data for many areas of sea may be dated and are sometimes unreliable. Depths are measured in a variety of ways. Historically the sounding line was used.

  9. Underwater exploration - Wikipedia

    en.wikipedia.org/wiki/Underwater_exploration

    An international collaboration between the General Bathymetric Chart of the Oceans (GEBCO) and the Nippon Foundation (NF), to collect all available bathymetric data to produce a definitive map of the world ocean floor by 2030, called the Nippon Foundation-GEBCO Seabed 2030 Project, was launched at the United Nations Ocean Conference in New York ...

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