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  2. University of Vermont - Wikipedia

    en.wikipedia.org/wiki/University_of_Vermont

    The University of Vermont (UVM), [a] officially the University of Vermont and State Agricultural College, is a public land-grant research university in Burlington, Vermont, United States. [6] Founded in 1791, UVM is the oldest university in Vermont and the fifth-oldest in New England.

  3. Altitudinal zonation - Wikipedia

    en.wikipedia.org/wiki/Altitudinal_zonation

    The humidity of certain zones, including precipitation levels, atmospheric humidity, and potential for evapotranspiration, varies with elevation and is a significant factor in determining altitudinal zonation. [3] The most important variable is precipitation at various elevations. [10]

  4. Holdridge life zones - Wikipedia

    en.wikipedia.org/wiki/Holdridge_life_zones

    humidity provinces; latitudinal regions; altitudinal belts; Biotemperature is based on the growing season length and temperature. It is measured as the mean of all annual temperatures, with all temperatures below freezing and above 30 °C adjusted to 0 °C, [4] as most plants are dormant at these temperatures.

  5. Humidity - Wikipedia

    en.wikipedia.org/wiki/Humidity

    It does not take temperature into consideration. Absolute humidity in the atmosphere ranges from near zero to roughly 30 g (1.1 oz) per cubic metre when the air is saturated at 30 °C (86 °F). [8] [9] Air is a gas, and its volume varies with pressure and temperature, per Boyle's law. Absolute humidity is defined as water mass per volume of air ...

  6. Topographic prominence - Wikipedia

    en.wikipedia.org/wiki/Topographic_prominence

    Only summits with a sufficient degree of prominence are regarded as independent mountains. For example, the world's second-highest mountain is K2 (height 8,611 m, prominence 4,017 m). While Mount Everest 's South Summit (height 8,749 m, prominence 11 m [ 2 ] ) is taller than K2, it is not considered an independent mountain because it is a sub ...

  7. North American Vertical Datum of 1988 - Wikipedia

    en.wikipedia.org/wiki/North_American_Vertical...

    The North American Vertical Datum of 1988 (NAVD 88) is the vertical datum for orthometric heights established for vertical control surveying in the United States based upon the General Adjustment of the North American Datum of 1988. [1] It superseded the National Geodetic Vertical Datum of 1929 (NGVD 29), [2] previously known as the Sea Level ...

  8. Climate classification - Wikipedia

    en.wikipedia.org/wiki/Climate_classification

    Examples of genetic classification include methods based on the relative frequency of different air mass types or locations within synoptic weather disturbances. Examples of empiric classifications include climate zones defined by plant hardiness , [ 3 ] evapotranspiration, [ 4 ] or associations with certain biomes , as in the case of the ...

  9. Vertical datum - Wikipedia

    en.wikipedia.org/wiki/Vertical_datum

    Vertical datums in Europe. In geodesy, surveying, hydrography and navigation, vertical datum or altimetric datum is a reference coordinate surface used for vertical positions, such as the elevations of Earth-bound features (terrain, bathymetry, water level, and built structures) and altitudes of satellite orbits and in aviation.