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
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章斌, 宋献方, 韩冬梅, 郭占荣, 肖国强, 杨吉龙
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Seawater Intrusion Degree Evaluation Based on Mathematical Statistics and Fuzzy Mathematics in Qinhuangdao Yangdai River Plain
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Bin ZHANG, Xian-fang SONG, Dong-mei HAN, Zhan-rong GUO, Guo-qiang XIAO, Ji-long YANG
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| 表2 海水入侵初步评判指标与Cl-的Pearson相关系数和显著性（双侧） |
| Table 2 The Pearson correlation coefficient and related significant level (two-sided test) between preliminary evaluation indicators and chloride concentration |
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| 统计量 | EC(μs/cm) | pH | ORP(mv) | K+(mg/L) | Na+(mg/L) | Ca2+(mg/L) | Mg2+(mg/L) | SO42-(mg/L) | | Pearson相关系数 | 0.890** | 0.06 | 0.17 | 0.32 | 0.694** | 0.646** | 0.676** | 0.4 | | 显著性（双侧） | 0 | 0.8 | 0.44 | 0.13 | 0 | 0 | 0 | 0.06 | | 统计量 | NO3-(mg/L) | δD(‰) | δ18O(‰) | B(mg/L) | Li(mg/L) | Sr(mg/L) | Ca/Cl | Mg/Cl | | Pearson相关系数 | 0.420* | 0.501* | 0.462* | -0.06 | 0.690** | 0.674** | -0.458* | -0.17 | | 显著性（双侧） | 0.05 | 0.01 | 0.03 | 0.78 | 0 | 0 | 0.03 | 0.44 | | 统计量 | (Ca+Mg)/Cl | Cl/HCO3 | Ca/Sr | TDS(mg/L) | 硬度(mg/L) | SAR | 潜在盐度(meq/L) | | Pearson相关系数 | -0.447* | 0.467* | -0.16 | 0.888** | 0.690** | 0.39 | 0.983** | | 显著性（双侧） | 0.03 | 0.02 | 0.45 | 0 | 0 | 0.06 | 0 |
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