西南农业大学学报(自然科学版)
西南農業大學學報(自然科學版)
서남농업대학학보(자연과학판)
JOURNAL OF SOUTHWEST AGRICULTURAL UNIVERSITY(NATURAL SCIENCE)
2005年
3期
397-400
,共4页
何再超%郑钦玉%卢坤%曹胜兰
何再超%鄭欽玉%盧坤%曹勝蘭
하재초%정흠옥%로곤%조성란
模糊数学%大气环境%隶属函数%综合评价
模糊數學%大氣環境%隸屬函數%綜閤評價
모호수학%대기배경%대속함수%종합평개
运用模糊数学方法,选用SO2,NO2,TSP,PM10作为评价因子,参照大气环境质量标准,通过计算污染因子权重、权重分配系数和隶属度对重庆市主城区、万州区、涪陵区、黔江区大气环境质量进行评价.通过权重系数分析,得出SO2,NO2,TSP,PM10的权重系数在主城区分别为0.230,0.110,0.410,0.250,在万州区分别为0.240,0.160,0.350,0.250,在涪陵区分别为0.380,0.010,0.280,0.240,在黔江区分别为0.520,0.070,0.260,0.150;主城区、万州区、涪陵区、黔江区对重庆大气环境质量的影响系数依次为0.366,0.177,0.296,0.161;且在主城区、万州区TSP影响最为严重,在涪陵区、黔江区SO2则为主要的污染因子.综合评判结果表明,主城区大气环境质量达到重污染水平,涪陵区、黔江区大气环境质量达到中污染水平,万州区大气环境质量为轻度污染,整体水平达到中等污染程度.
運用模糊數學方法,選用SO2,NO2,TSP,PM10作為評價因子,參照大氣環境質量標準,通過計算汙染因子權重、權重分配繫數和隸屬度對重慶市主城區、萬州區、涪陵區、黔江區大氣環境質量進行評價.通過權重繫數分析,得齣SO2,NO2,TSP,PM10的權重繫數在主城區分彆為0.230,0.110,0.410,0.250,在萬州區分彆為0.240,0.160,0.350,0.250,在涪陵區分彆為0.380,0.010,0.280,0.240,在黔江區分彆為0.520,0.070,0.260,0.150;主城區、萬州區、涪陵區、黔江區對重慶大氣環境質量的影響繫數依次為0.366,0.177,0.296,0.161;且在主城區、萬州區TSP影響最為嚴重,在涪陵區、黔江區SO2則為主要的汙染因子.綜閤評判結果錶明,主城區大氣環境質量達到重汙染水平,涪陵區、黔江區大氣環境質量達到中汙染水平,萬州區大氣環境質量為輕度汙染,整體水平達到中等汙染程度.
운용모호수학방법,선용SO2,NO2,TSP,PM10작위평개인자,삼조대기배경질량표준,통과계산오염인자권중、권중분배계수화대속도대중경시주성구、만주구、부릉구、검강구대기배경질량진행평개.통과권중계수분석,득출SO2,NO2,TSP,PM10적권중계수재주성구분별위0.230,0.110,0.410,0.250,재만주구분별위0.240,0.160,0.350,0.250,재부릉구분별위0.380,0.010,0.280,0.240,재검강구분별위0.520,0.070,0.260,0.150;주성구、만주구、부릉구、검강구대중경대기배경질량적영향계수의차위0.366,0.177,0.296,0.161;차재주성구、만주구TSP영향최위엄중,재부릉구、검강구SO2칙위주요적오염인자.종합평판결과표명,주성구대기배경질량체도중오염수평,부릉구、검강구대기배경질량체도중오염수평,만주구대기배경질량위경도오염,정체수평체도중등오염정도.