Seafloor Mapping - NOAA Ocean Exploration
2022年7月20日 · Seafloor Mapping. Our global ocean covers over 70% of the Earth’s surface. The marine ecosystem is the largest and most abundant in the world. However, most of the ocean is permanently dark, cold, and incredibly difficult to observe. Only slightly more than 23% of the seafloor has been mapped in great detail, and even less has been explored ...
Ocean Basemap - ArcGIS
2024年1月3日 · The Ocean Basemap includes bathymetry, surface and subsurface feature names, and derived depths. This map is designed to be used as a basemap by marine GIS professionals and as a reference map by anyone interested in ocean data.
GEBCO - The General Bathymetric Chart of the Oceans
The General Bathymetric Chart of the Oceans (GEBCO) aims to provide the most authoritative, publicly available bathymetry data sets for the world’s oceans.
U.S. Bathymetric & Fishing Maps - National Oceanic and …
Topographic maps of the sea floor, produced at a 1:100,000 scale that contain Loran-C rates, bottom sediment types and known bottom obstructions. This product is intended to aid fishermen and those needing seafloor features and potential fishing grounds.
General Bathymetric Chart of the Oceans - Wikipedia
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.
Mapping the Seafloor | U.S. Geological Survey - USGS.gov
2022年4月27日 · Geologic and bathymetric maps help us understand the evolutionary history of the Massachusetts coast and the processes that have shaped it. The maps show the distribution of bottom types (for example, bedrock, gravel, sand, mud) and water depths over large areas of …
1977: World Ocean Floor Map - Marie Tharp - University of …
2019年5月20日 · Marie and Bruce were able to create this first complete physiographic map of the world’s ocean floor due to depth measurements collected by United States Navy submarines. Heinrich Berann painted the intersections of the ridges and continental plates on Earth, including the Mid-Atlantic Rift Valley Marie noticed in the 1950s.
Printable Maps - GEBCO
Access printable maps of world ocean bathymetry showing the shape of the global ocean floor and maps for the Arctic and Southern Ocean regions.
Highly Detailed Seafloor Maps - Geography Realm
2023年8月9日 · The Nippon Foundation-GEBCO Seabed 2030 Project developed in 2018 to map the seafloor by 2030. In 2017, only 6 percent of the world’s ocean floor was known. Now, the initiative will attempt to map every corner of the planet’s seafloor and provide the data for free for scientists and others to use.
Map the ocean. - ArcGIS
Discover the global effort to protect a third of Earth's lands and waters by 2030. Mapping the Deep hub highlights the story of Dr. Dawn Wright's expedition to Challenger Deep and offers maps and apps, stories, and media to explore ocean science.