nonpoint source pollution معنى"nonpoint source pollution" أمثلة على "source" معنى "pollution" معنى "nonpoint pollution" معنى "area source (pollution)" معنى "downwind source of pollution" معنى "non-point source pollution" معنى "point source pollution" معنى "upwind source of pollution" معنى "volume source (pollution)" معنى "seminar on protection of soil and aquifers against non-point source pollution" معنى "source" معنى "pollution" معنى "source-to-source compiler" معنى "animation by source" معنى "archiving a source" معنى "area source" معنى "art by source" معنى "caselaw source" معنى "coi source" معنى "combustion source" معنى "comics by source" معنى "communication source" معنى "content source" معنى "current source" معنى "data source" معنى أمثلة Nonpoint source pollution generally results from land runoff, precipitation, atmospheric deposition, drainage, seepage, or hydrological modification (rainfall and snowmelt) where tracing pollution back to a single source is difficult.
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