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Nonpoint source pollution

Nonpoint source (NPS) pollution refers to diffuse contamination (or pollution) of water or air that does not originate from a single discrete source. This type of pollution is often the cumulative effect of small amounts of contaminants gathered from a large area. It is in contrast to point source pollution which results from a single source. Nonpoint…

Culture, Principal types (for water pollution) & Principal sources (for water pollution)

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Principal types (for water pollution)

SoilSiltSuspended solidsTurbidityAquatic plants
58 related topics

Principal sources (for water pollution)

UrbanSuburban areasAsphaltConcretePrecipitation
33 related topics

Overview

ContaminationPollutionPoint source pollutionRunoffAtmospheric deposition
38 related topics

Agricultural operations

Contour plowingMulchingCrop rotationPerennialRiparian buffers
10 related topics

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Overview

Principal types (for water pollution)

Principal sources (for water pollution)

Urban and suburban areas

Agricultural operations

Country examples

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Map overview Semantic statistics

Nonpoint source pollution

Nodes155
Edges154
Triples40
Avg. degree1.99
Density0.012903
Components1

How this topic connects Entity context

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Nonpoint source pollution

Top relations

related to Urban and suburban areas · 15
Nonpoint source pollution → Additionally, Any, Buffer, Construction, Firstly, Paved, Restoration, Retention, Runoff, Secondly, The, These, This, To, Urban
related to Marinas and boating activities · 3
Nonpoint source pollution → Additionally, Chemicals, Nutrient
related to Highway runoff · 2
Nonpoint source pollution → Harned, Highway
related to United States · 2
Nonpoint source pollution → Nonpoint, United States
related to Forestry and mining operations · 1
Nonpoint source pollution → Forestry

Important terminology Word statistics

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Important terminology

water pollution runoff source nonpoint sources sediment also urban agricultural areas soil operations may systems reduce many mining atmospheric storm

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
polluted runoff from agricultural areas draining into a riverinstance ofNonpoint source water pollution affects a water body from sources0.80text
or wind-borne debris blowing out to seainstance ofNonpoint source water pollution affects a water body from sources0.80text
smokestacks or car tailpipesinstance offrom sources0.80text
polychlorinated biphenylsinstance ofindustrial operations and landfills.Other toxic contaminants include organic compounds0.80text
nitrates can harm the aquatic environments by degrading water quality by lowering levels of oxygeninstance ofNutrient pollution0.80text
which can inturn induce algal bloomsinstance ofNutrient pollution0.80text
eutrophication.Other agrochemicals such as pesticidesinstance ofNutrient pollution0.80text
fungicides can enter environments from agricultural lands through runoffinstance ofNutrient pollution0.80text
deposition as wellinstance ofNutrient pollution0.80text
DDT or atrazine can travel through waterways or stay suspended in airinstance ofPesticides0.80text
carried by wind in a process known asinstance ofPesticides0.80text
constructing wetlands are also used to slow runoff as well as absorb contamination.Construction sites typically implement simple measures to reduce pollutioninstance ofRestoration methods0.80text

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