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The first recorded evidence of water depth measurements are from Ancient Egypt over 3000 years ago. [3] Bathymetry has various uses including the production of Bathymetric charts to guide vessels and identify underwater hazards, the study of marine life near the floor of water bodies , coastline analysis and ocean dynamics , including ...
Giant current ripples (GCRs), also known as giant gravel bars or giant gravel dunes, [1] are a form of subaqueous dune. They are active channel topographic forms up to 20 m high, which occur within near- thalweg areas of the main outflow routes created by glacial lake outburst floods . [ 2 ]
Bathymetric charts showcase depth using a series of lines and points at equal intervals, called depth contours or isobaths (a type of contour line). A closed shape with increasingly smaller shapes inside of it can indicate an ocean trench or a seamount, or underwater mountain, depending on whether the depths increase or decrease going inward.
Here η is the total fluid column height (instantaneous fluid depth as a function of x, y and t), and the 2D vector (u,v) is the fluid's horizontal flow velocity, averaged across the vertical column. Further g is acceleration due to gravity and ρ is the fluid density. The first equation is derived from mass conservation, the second two from ...
The gravity g′ at depth d is given by g′ = g(1 − d/R) where g is acceleration due to gravity on the surface of the Earth, d is depth and R is the radius of the Earth. If the density decreased linearly with increasing radius from a density ρ 0 at the center to ρ 1 at the surface, then ρ ( r ) = ρ 0 − ( ρ 0 − ρ 1 ) r / R , and the ...
Lionel Messi has been named the 2024 MLS MVP, the league announced on Friday. He led MLS with 36 goal contributions for record-setting Inter Miami.
Stock indexes drifted to a mixed finish on Wall Street as some heavyweight technology and communications sector stocks offset gains elsewhere in the market. The S&P 500 slipped less than 0.1% ...
Stewart is 24% rostered in 9-cat leagues and ranks 103rd coming into Tuesday. Alternatively, Duren ranks 182 with a 96% rostership. The Pistons are 8-11, but the East is terrible, so they’re ...