Non-point sources

Non-point sources

Non-point sources are sources of pollution that arise over a comparatively large area rather than from a single point (for example, agricultural run-off carried by multiple field drains into a watercourse).


Wikimedia Foundation. 2010.

Игры ⚽ Нужно сделать НИР?

Look at other dictionaries:

  • non-point source pollution — polluted runoff from agriculture, mining, timber harvesting and other sources that are not confined sources …   Dictionary of ichthyology

  • Non-nude pornography — Non nude pornography, also called NN or simply non nude , is a genre of photography which contains sexually suggestive images of human subjects intended to arouse, but never complete nudity. The genre is closely tied to certain online communities …   Wikipedia

  • Point spread function — The point spread function (PSF) describes the response of an imaging system to a point source or point object. A related but more general term for the PSF is a system s impulse response. The PSF in many contexts can be thought of as the extended… …   Wikipedia

  • Non-revenue water — (NRW) is water that has been produced and is “lost” before it reaches the customer. Losses can be real losses (through leaks, sometimes also referred to as physical losses) or apparent losses (for example through theft or metering inaccuracies).… …   Wikipedia

  • Point de vue du judaïsme sur Jésus-Christ — Point de vue du judaïsme sur Jésus de Nazareth L un des principes les plus importants de la foi juive, est l affirmation d un et un seul Dieu, sans aucun intermédiaire, ni associé (shoutaf)[1], et la croyance en Jésus en tant que Divinité, partie …   Wikipédia en Français

  • Point de vue — ● Point de vue en perspective classique, point correspondant à l œil de l observateur, situé à une distance déterminée du plan figuratif et constituant le sommet de la pyramide visuelle. (Également appelé centre de projection.) point de vue n. m …   Encyclopédie Universelle

  • point de vue — ● Point de vue en perspective classique, point correspondant à l œil de l observateur, situé à une distance déterminée du plan figuratif et constituant le sommet de la pyramide visuelle. (Également appelé centre de projection.) point de vue n. m …   Encyclopédie Universelle

  • Point Stratotypique Mondial — Le Point Stratotypique Mondial (PSM) (Global Boundary Stratotype Section and Point, GSSP), définit les limites existantes entre deux étages géologiques, ne laissant pas la posssibilité de vide ou de chevauchement entre eux. Les PSM sont établie… …   Wikipédia en Français

  • Non-tariff barriers to trade — (NTBs) are trade barriers that restrict imports but are not in the usual form of a tariff. Some common examples of NTB s are anti dumping measures and countervailing duties, which, although they are called non tariff barriers, have the effect of… …   Wikipedia

  • Non-resident Indian and Person of Indian Origin — Total population 30,000,000+ Regions with significant populations …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”