运用数理统计和模糊数学评价秦皇岛洋戴河平原的海水入侵程度
章斌, 宋献方, 韩冬梅, 郭占荣, 肖国强, 杨吉龙

Seawater Intrusion Degree Evaluation Based on Mathematical Statistics and Fuzzy Mathematics in Qinhuangdao Yangdai River Plain
Bin ZHANG, Xian-fang SONG, Dong-mei HAN, Zhan-rong GUO, Guo-qiang XIAO, Ji-long YANG
表4 地下水判别分析结果(A类,未入侵)
Table 4 Discriminant analysis results of groundwater (classification A, water samples without seawater intrusion)
水样编号 地下水化学类型 Cl-(mg/L) EC(μs/cm) TDS(mg/L) 潜在盐度(meq/L) 判别结果
G1 Cl·NO3-Ca·Mg·Na 248.00 1438 763.33 8.66 A
G2* Cl·HCO3·NO3-Ca·Na 58.51 444 235.23 2.08 A
G3* Cl·NO3·SO4-Ca·Mg 177.10 1014 563.53 6.19 A
G4* HCO3·Cl-Ca 135.40 934 507.27 4.49 A
G10 Cl·HCO3-Na 277.70 1152 663.52 8.51 A
G11* HCO3·Cl-Ca 74.32 624 369.19 2.55 A
G13 Cl·HCO3-Ca·Na·Mg 118.00 741 411.98 4.10 A
G18 Cl·SO4-Na·Ca·Mg 218.40 939 569.81 7.28 A