OpenSeaMap - The free nautical chart
网页Explore the free nautical chart of OpenSeaMap, with weather, sea marks, harbours, sport and more features. Download for offline use.
World Ocean Depth Map - Databayou
网页Interactive world ocean depth map. It shows the bathymetry from the bottom of the sea, it also includes descriptions of each depth and light zone.
Atlantic Ocean nautical chart and marine hydrography - Fishermap
网页Atlantic Ocean nautical chart shows depths and hydrography on an interactive map. Explore depth map of.
GEBCO - The General Bathymetric Chart of the Oceans
网页The deepest depth measured so far in the oceans is around 10,920m in the Challenger Deep, part of the Mariana Trench, in the Northwest Pacific Ocean. For comparison, Mount Everest is around 8,850m high.
Seafloor Mapping - NOAA Ocean Exploration
网页2022年7月20日 · Seafloor bathymetry represents land depth below sea level. Topographic maps show the physical shape of dry land using elevation values. Bathymetric maps show the physical shape of the seafloor using depth values. Together, topographic and bathymetric maps show the physical features on the Earth’s surface.
U.S. Bathymetric & Fishing Maps - National Oceanic and …
网页Topographic maps of the sea floor. Detailed depth contours provide the size, shape and distribution of underwater features. The map serves as a tool for performing scientific, engineering, marine geophysical and environmental studies, that are required in the development of energy and marine resources.
Mapping the Seafloor | U.S. Geological Survey - USGS.gov
网页2022年4月27日 · The maps show the distribution of bottom types (for example, bedrock, gravel, sand, mud) and water depths over large areas of the seafloor. In turn, these two fundamental parameters largely determine the species of flora and fauna that inhabit a …
Pacific ocean nautical chart and marine hydrography - Fishermap
网页Pacific ocean nautical chart shows depths and hydrography on an interactive map. Explore depth map of Pacific ocean.
How deep is the ocean? - NOAA's National Ocean Service
网页The average depth of the ocean is about 3,682 meters (12,080 feet). The lowest ocean depth on Earth is called the Challenger Deep and is located beneath the western Pacific Ocean in the southern end of the Mariana Trench.
Oceans' extreme depths measured in precise detail - BBC
网页Scientists say we now have the most precise information yet on the deepest points in each of Earth's five oceans. The key locations where the seafloor bottoms out in the Pacific, Atlantic, Indian...