中國的水質(zhì)評價統(tǒng)計表(編輯修改稿)
2025-04-02 17:16 本頁面
【文章內(nèi)容簡介】 uitable for the agricultural water district, irrigations, and mon landscapes and so on. 、水質(zhì)評價標(biāo)準(zhǔn)： 通常國家 GB38382023標(biāo)準(zhǔn) 、水質(zhì)評價項目 (Quality assessment parameter) Temperature、 pH Organic and oxidizable matter DO, CODMn, CODCr, DBO5, NH3N、 phenol、 Nitrogen total N Nitrates Nitrates ， NO3 Phosphorus total P Phytoplankton chlorophyll a Salinity Cl, SO42 Fe, Mn Micro anisms Total coliforms, faecal coliforms, Mineral micro pollutants in water Arsenic, mercury, cadmium, lead, chromium, zinc, cyanide, copper, selenium, Oil synthetic detergents synthetic detergents Pesticides and Organic pollutants in water 80 substances are concerned 一、水質(zhì)監(jiān)測評價體系 、評價方法： assessment method ? 根據(jù)應(yīng)實現(xiàn)的水域功能類別，選取相應(yīng)類別標(biāo)準(zhǔn)，進(jìn)行單因子評價。 單因子評價即根據(jù)標(biāo)準(zhǔn)中規(guī)定的水質(zhì)類別，將某監(jiān)測斷面?zhèn)€水質(zhì)參數(shù)的實測濃度值與標(biāo)準(zhǔn)值進(jìn)行對比，選取最差水質(zhì)參數(shù)的類別最為該水體的水質(zhì)類別。 According to the waters functions, choosing corresponding quality target, the rule of single gene appraisal is method always choosing the lowest or most parameter value from a certain set. This rule can be applied at the quality classifications at a monitoring point. 一、水質(zhì)監(jiān)測評價體系 、評價方法： assessment method ? 劃分單元河段：為便于對整個河流水質(zhì)進(jìn)行評價，按一定原則劃分單元河段。 ? 單元河段濃度平均值的確定方法 (1) (2) MCCMmmn??? 1ICCIiim?? 1式中： Cn—— 單項參數(shù) i的河段濃度均值， mg/L； M —— 單元河段的監(jiān)測斷面數(shù)； Cm—— 單項參數(shù) i的斷面濃
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