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The temperature at the bottom of the stratosphere is determined by subtracting 71.5 K from the temperature at sea level. Altitude is calculated from air pressure and vice versa. A detailed table and plot along with descriptions of the equations are included.
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For these equations , , and correspond to the altitude,...
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The pressure below sea level is in a virtual air column or as achieved with an air filled closed pipe connected to the atmosphere. Elevation above sea level - in feet and meter - with barometric and atmospheric pressure - <i>inches mercury, psia, kg/cm<sup>2</sup> and kPa</i>.
Convert an altitude in feet or metres of height above sea level to a pressure reading in millibar (mbar, mb or mbr), pounds per square inch , millimetres of mercury at zero degrees celsius (mmHg @ 0 deg C) or inches of mercury at zero degrees celsius (inHg @ 0 deg C).
4 dni temu · To calculate the air pressure at a certain altitude, use this simple formula: P = P0 × exp(-g × M × (h - h0)/(R × T) where: P0 and h0 — The pressure and altitude of the reference point. Often, these values correspond to the ones at sea level. P — The pressure at altitude h. T — The temperature at altitude h.
This is in contrast to mean sea-level pressure, which involves the extrapolation of pressure to sea level for locations above or below sea level. The average pressure at mean sea level in the International Standard Atmosphere is 1,013.25 hPa, or 1 atmosphere (atm), or 29.92 inches of mercury.
Calculates basic ocean pressures based on depth at 35 psu (practical salinity units) @ 16.4 degrees Celcius. Reveals overpressures listed in bars, atmospheres, & pounds force psi (per square inch).
At the average ocean depth (3,800 meters), pressure on the sea floor is a whopping 380 times greater than it is at the surface. In the deepest trenches, it’s 1,100 times greater! All that pressure causes serious problems for people and other air-breathing animals.
