ETOPO2 BATHYMETRY DATA FREE DOWNLOAD

The instruments on the Landsat satellites have acquired millions of images. Bathymetric data for the Caspian Sea were obtained as digitized contours from the Caspian Environment Programme. The longest mountain range in the world, the global mid-oceanic ridge system, can be found on the ocean floors and runs for approximately 37, miles. The ridge joins the Indian Ridge which is to the east of Africa. All lake depth data were made consistent with surrounding land elevations and each lake’s mean level datum. The straight lines are where direct shipborne measurements have been included in the data as “ground truth”. It covers all of the world’s land masses at a resolution of 0.

etopo2 bathymetry data

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The most recent, Landsat 7, was launched on April 15, ETOPO2v2 is a database, not a program. Landsat 7 data has eight spectral bands with spatial resolutions ranging from 15 to 60 meters; the temporal resolution is 16 days.

ETOPO2v2 2 minute Worldwide Bathymetry/Topography Grids | NCEIv

The grid-centered version was derived from the cell-centered grid and the conversion produces slightly flattened relief. All of the mid-ocean ridges of the world can be regarded as a continuous oceanic ridge system. The longest mountain range in the world, the global mid-oceanic ridge system, can be found on etopo ocean floors and runs for approximately 37, miles. The Himalayas in Asia, which are home to Mount Everest, the tallest point on Earth at 29, feet, are clearly visible.

It has recorded depths of 28, feet. Other notable features on the seafloor are the impressive trenches that have formed where one tectonic plate dives beneath another. bathymefry

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etopo2 bathymetry data

The Mid-Atlantic Ridge, which cuts through the Atlantic Ocean, has peaks that break the waters surface to form islands. Is the sea floor really that bumpy, and what are the long, straight lines on the ocean floor that converge on places like San Diego and Bermuda?

Other notable features on the seafloor are the impressive trenches that have formed where one tectonic plate dives beneath another. The Mid-Atlantic Ridge, which cuts through the Atlantic Ocean, has peaks that break the waters surface to form islands.

All of these ridges are the result of plate tectonics. The vertical precision is 1 meter.

The first row of 10, x 30 cells in ETOPO2 redundantly repeated the same data value, centered on the north pole. The grid values represent the elevation at the grid intersections at odd multiples of 2 minutes of latitude and longitude, averaged over the cell’s area.

The cell-centered grid is the authoritative version. Notable Features Global mid-oceanic ridge system: The digitized contours were analyzed with surface-fitting software to produce a digital bathymetric grid registered to the same coordinate system as the rest of ETOPO2v2, and made consistent with the surrounding land elevations — the surface of the Caspian Sea is approximately 29m below Mean Sea Level.

Indian Ocean modified ETOPO2 / ETOPO5

Himalayas, Rockies, Andes, Alps Global mid-oceanic ridge system: You have 0 datasets in your. Bathymetry data for the Caspian Sea were obtained as digitized depth contours from the Caspian Environment Programme website. These measurements help calibrate, but do not correspond percent to the radar altimetry. All of the mid-ocean ridges of the world can be regarded as a continuous oceanic ridge system.

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ETOPO2v2 is available in both a downloadable cell-centered version, named ETOPO2v2c vathymetry registered, where the cell boundaries are lines of even minutes of latitude and longitude, centered on intersections of lines of odd minutes of latitude and longitude and a grid-centered, version, available via design-a-grid with cell boundaries defined by lines of odd minutes of latitude and longitude, meaning that cells were centered on the integer multiples of 2 minutes [even minutes] of latitude and longitude.

etopo2 bathymetry data

The images, archived in the United States and at Landsat receiving stations around the world, are a unique resource for global change research and applications in agriculture, cartography, geology, forestry, regional planning, surveillance, education and national security.

The satellite altimetry works best in deep water and can distinguish many undersea features that are not otherwise surveyed directly.

The 2006 ETOPO2v2 data structure, provenance changes and updates

GLOBE data were sampled to 2′ cell averages for all land areas. It has recorded depths of 28, feet. All of these ridges are the result of plate tectonics. Topography and Bathymetry color enhanced. You will need imaging or analysis software to use the data.

etopo2 bathymetry data

The instruments on the Landsat satellites have acquired millions of images. The Landsat program began with it’s first launch on July 23, Topography and Bathymetry shaded colors.