Arquivos: Glossário

A class of herbicides containing a symmetrical triazine ring (a nitrogen-heterocyclic ring composed of three nitrogens and three carbons in an alternating sequence). Examples include atrazine, propazine, and simazine.

See Triazine herbicide.

Stream that joins another stream or body of water.

A stable, low boiling-point colorless liquid that is toxic if inhaled. Used as a solvent or metal degreasing agent and in other industrial applications.

Simultaneous generation of electrical energy and thermal energy in the form of cooling and heating in one process.

Organic compounds which may be harmful to health at certain levels in drinking water.

How some organizations measure the economic, social and environmental performance of a project. Also known as “people, planet, profit” or “the three pillars.”

A radioactive form of hydrogen with atoms of three times the mass of ordinary hydrogen; can be used to determine the age of water.

A cyclone that originates over the tropical oceans. Tropical cyclones are classified according to their intensity and windspeed and, when fully mature, are characterized by extremely high-speed winds and torrential rains. In the United States, tropical cyclones that have windspeeds greater than 40 miles per hour are classified as tropical storms, and tropical cyclones that […]

Lowest 6 to 12 miles of the atmosphere, characterized by a general decrease in temperature with height, appreciable water content, and active weather processes.