Related Words

Diversity Gradient: A regular change in diversity correlated with a geographic space or gradient of some environmental factor

Gradient Wind: A steady horizontal air motion along curved parallel isobars or contours in an unchanging pressure or contour field, assuming there is no friction and no divergence or convergence.

Gradient Flow: A solution of the relative hydrodynamic equations of motion in which only the horizontal Coriolis, pressure gradient, and centrifugal forces are considered.

Geothermal Gradient: The progressive increase of temperature with depth into the Earth.

Genetic Diversity: The genetic variation that occurs within a population or species. For example, there are several different colour dog whelk shells and ochre sea stars. See also biodiversity; compare ecosyst . . . View Full Definition

Horizontal Pressure Gradient Force: The horizontal component of the product of the specific volume and the rate of decrease in pressure with distance.

Species Diversity: The number of living species on Earth.

Pressure Gradient: The amount of pressure change that occurs over a fixed distance at a fixed altitude.

Latitudinal Gradient: As latitude increases, a gradient of cooler, drier conditions occurs.

Latitudinal Diversity Gradient: The decrease in species richness that occurs as one moves away from the equator.