North Atlantic Ocean Floor Map
Her work also revealed the presence of a continuous rift valley along the axis.
North atlantic ocean floor map. The north atlantic ocean distribution of the planktonic foraminifera n. Red dots show locations of earthquakes with magnitude above 5 5 and highlight the. The outstanding feature of the atlantic floor is the mid atlantic ridge an immense median mountain range extending throughout the length of the atlantic claiming the centre third of the ocean bed and reaching roughly 1 000 miles 1 600 km in breadth. The following features are shown at example depths to scale though each feature has a considerable range at which it may occur.
Typically finely wrought ocean maps have been the result of extensive sonar. This graphic shows several ocean floor features on a scale from 0 35 000 feet below sea level. Map of the entire track of the hotspot that formed the new england seamounts and other associated volcanoes. Continental shelf 300 feet continental slope 300 10 000 feet abyssal plain 10 000 feet abyssal hill 3 000 feet up from the abyssal plain seamount 6 000 feet.
This is expensive and time consuming so sonar maps are mostly only made of places where ships spend the most time. The atlantic ocean is the second largest of the world s oceans with an area of about 106 460 000 km 2 41 100 000 sq mi. Thousands of undersea volcanoes revealed in new map of ocean floor a marine gravity model of the north atlantic. 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.
Pachyderma sin at the last glacial maximum lgm. This map shows the relative positions of the long new england seamount chain. It covers approximately 20 percent of earth s surface and about 29 percent of its water surface area. This product is intended to aid fishermen and those needing seafloor features and potential fishing grounds.