Glossary H

The Environmental Glossary. Letter H +++ Popular Articles: 'Human', 'Heating Penalty', 'Human Development Index'

A hydroelectric power water use is the use of water in the generation of electricity at plants where the turbine generators are driven by falling water.

hydrofluorocarbons are used as solvents and cleaners in the semiconductor industry, among others; experts say that they possess global warming potentials that are thousands of times greater than CO2.

A Hydrofluorocarbons (HFCs) is Compounds containing only hydrogen, fluorine, and carbon atoms.

Deutsch: Wasserstoff / Español: Hidrógeno / Português: Hidrogênio / Français: Hydrogène / Italiano: Idrogeno
Hydrogen is a chemical element with chemical symbol H and atomic number 1. With an atomic weight of 1.00794 u, hydrogen is the lightest element on the periodic table. Its monatomic form (H) is the most abundant chemical substance in the universe, constituting roughly 75% of all baryonic mass.

A Hydrogeologic Cycle is the endless circulation of water between earth and the atmosphere.

A Hydrogeomorphic Approach (HGM) )is a functional assessment method which compares a wetland's condition to similar wetland types (as defined by HGM classification) that are relatively unaltered.

A Hydrogeomorphic (HGM) Classification is a wetland

A Hydrologic Cycle is the process of evaporation, transpiration, condensation, precipitation, infiltration, runoff, and percolation in which water molecules travel above, below, and on the Earth"s surface

Other /More definition:
A Hydrologic cycle is the process of evaporation, vertical and horizontal transport of vapor, condensation, precipitation, and the flow of water from continents to oceans.

A Hydrology is the science of dealing with the properties, distribution, and circulation of water both on the surface and under the earth.

A hydropower is Energy or power produced by moving water.

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