Qhov Tseem Ceeb Qhov Sib Txawv – Point Source vs Nonpoint Source Pollution
Tib neeg thiab lwm yam kab mob muaj sia cuam tshuam nrog ib puag ncig rau lawv txoj sia nyob. Cov kab mob sib cuam tshuam nrog ib leeg rau qhov sib txawv. Huab cua, dej, thiab av ua kom tiav txhua yam khoom muaj sia nyob. Ecosystems khiav nrog qhov sib npaug ntawm cov khoom siv roj ntsha, lub cev thiab tshuaj lom neeg. Txawm li cas los xij, vim yog cov dej num anthropogenic thiab ntuj phenomena, ib puag ncig yog kis nrog ntau yam tshuaj. Cov pa phem tuaj yeem txhais tau tias yog muaj cov khoom nyob hauv huab cua, dej, lossis av uas muaj kev cuam tshuam tsis zoo rau cov kab mob nyob thiab ib puag ncig. Muaj peb hom kev ua qias tuaj: huab cua paug, av paug, thiab dej paug. Qhov chaw ntawm huab cua, dej thiab av paug yuav tsum raug txheeb xyuas txhawm rau tiv thaiv lossis txo cov pa phem uas tuaj yeem ua rau muaj kev phom sij rau pej xeem kev noj qab haus huv thiab kev nyiam huv. Cov peev txheej tuaj yeem muab faib ua ob pawg npe cov ntsiab lus thiab cov ntsiab lus tsis muaj ntsiab lus. Point qhov chaw muaj kuab paug tshwm sim los ntawm ib qho chaw uas txheeb xyuas tau los yog taw tes. Nonpoint qhov chaw muaj kuab paug tshwm sim vim muaj ntau yam ua rau tsis pom tseeb. Qhov sib txawv tseem ceeb ntawm qhov chaw ntawm qhov chaw thiab qhov chaw tsis muaj kuab paug yog qhov chaw ntawm qhov chaw muaj kuab paug tuaj yeem taug qab rov qab thaum qhov chaw tsis muaj kuab paug tsis tuaj yeem taug qab mus rau ib qho chaw tshwj xeeb.
Point Source Pollution yog dab tsi?
Point source pollution yog hais txog cov pa phem uas tshwm sim los ntawm ib qho chaw uas txheeb xyuas tau. Hom kev ua qias tuaj no tseem nyob hauv cheeb tsam kom muaj kuab paug. Yog li ntawd, nws yog ib qho yooj yim los txheeb xyuas qhov chaw thiab ua kom tsis txhob muaj kuab paug. Point qhov chaw muaj kuab paug yog concentrated nyob ze qhov chaw ntawm keeb kwm. Nws tuaj yeem ua tau me me mus rau qhov loj.
Daim duab 01: Point Source Pollution
Qee yam piv txwv ntawm qhov chaw muaj kuab paug muaj xws li cov kav dej tso cov dej phwj tuaj rau hauv txoj kev hauv dej, qhov chimney ntawm cov chaw tsim khoom, cov roj nchuav, cov kav dej xau cov tshuaj mus rau cov dej ntws, thiab lwm yam. Cov pa phem no tuaj yeem tshwm sim los ntawm kev txhob txwm ua. Txij li thaum lub hauv paus yog ib leeg thiab txheeb xyuas tau, kev ua hauv zej zog me txaus los tiv thaiv qhov chaw muaj kuab lom.
Dab tsi yog qhov tsis txaus ntseeg qhov muaj kuab paug?
Nonpoint source pollution yog hais txog cov pa phem uas lub hauv paus ntawm cov pa phem tsis tuaj yeem taug qab mus rau ib qhov chaw. Hom kev ua qias tuaj no yog dav diffused thiab diluted. Cov pa phem tsis yog nyob rau hauv ib qho chaw lossis thaj chaw. Yog li ntawd, nws yog qhov nyuaj los txheeb xyuas lub hauv paus chiv keeb thiab ua kom txo qis lossis tiv thaiv. Nonpoint qhov chaw muaj kuab paug yog tshwm sim los ntawm av ntws dej, nag, dej, seepage, atmospheric deposition, hydrologic modification, thiab lwm yam.
Daim duab 02: Tsis pom qhov twg los ntawm cov pa phem
Tsis muaj qhov chaw muaj kuab paug tuaj yeem tshwm sim vim muaj ntau qhov chaw uas tau nthuav dav lossis nws tuaj yeem kis tau vim kev txav ntawm huab cua thiab dej. Li no, cov pa phem uas tsis muaj ntsiab lus feem ntau tau taug qab thoob ntiaj teb kev txawj ntse.
Qhov txawv ntawm Point Source thiab Nonpoint Source pollution yog dab tsi?
Point Source vs Nonpoint Source Pollution |
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| Point qhov chaw muaj kuab paug yog tshwm sim los ntawm ib qho chaw tshwj xeeb. | Tsis muaj qhov chaw muaj kuab paug tsis tshwm sim vim yog ib qho chaw tshwj xeeb. |
| Point source pollution is localized into point of pollution. | Ntawm qhov muaj kuab paug yog dav dav. |
| Kev Tswj Kom Yooj Yim | |
| Point qhov chaw muaj kuab paug yog yooj yim los tswj vim lub hauv paus yog txheeb xyuas. | Ntawm qhov chaw muaj kuab paug tsis yooj yim los tswj vim cov peev txheej tsis paub meej. |
| Point source pollution is concentrated around the source of pollution. | Tsis muaj qhov chaw muaj kuab paug yog diluted ntau dua li qhov chaw muaj kuab paug. |
| Kev Tiv Thaiv | |
| Point qhov chaw paug tuaj yeem nres los ntawm kev ua hauv ib lub zej zog. | Ntawm qhov chaw muaj kuab paug feem ntau cuam tshuam los ntawm kev ua haujlwm thoob ntiaj teb. |
Summary – Point Source vs Nonpoint Source Pollution
Kev ua qias tuaj yog ib qho teeb meem loj hauv ntiaj teb, uas muaj kev cuam tshuam tsis zoo rau tsiaj, nroj tsuag, thiab tib neeg thiab ua rau muaj teeb meem thoob ntiaj teb xws li kev hloov pauv huab cua thiab lub ntiaj teb sov. Kev ntsuas yuav tsum tau ua kom tsis txhob muaj kuab paug thiab tiv thaiv kev noj qab haus huv rau pej xeem, tsiaj txhu thiab nroj tsuag lub neej thiab ib puag ncig. Yuav kom txo tau cov pa phem, qhov chaw ntawm cov pa phem yuav tsum tau taug qab. Point qhov chaw thiab nonpoint qhov chaw ntawm cov pa phem yog ob hom. Point qhov chaw muaj kuab paug yog tshwm sim los ntawm ib qho chaw lossis qhov chaw txheeb xyuas thiab nws yooj yim los txheeb xyuas qhov chaw thiab tiv thaiv kev ua qias tuaj. Nonpoint qhov chaw muaj kuab paug muaj ntau qhov sib txawv tsis paub meej, yog li nws nyuaj rau taug qab cov peev txheej mus rau hauv ib qho chaw thiab tiv thaiv kev ua qias tuaj. Qhov no yog qhov txawv ntawm qhov chaw qhov chaw thiab qhov chaw tsis muaj kuab paug.
Download PDF Version of Point Source vs Nonpoint Source Pollution
Koj tuaj yeem rub tawm PDF version ntawm kab lus no thiab siv nws rau offline hom phiaj raws li cov ntawv sau tseg. Thov download PDF version ntawm no Qhov txawv nruab nrab ntawm Point Source thiab Nonpoint Source Pollution.
