Journal of Tropical Oceanography ›› 2023, Vol. 42 ›› Issue (1): 182-191.doi: 10.11978/2022120CSTR: 32234.14.2022120
• Marine Environmental Protection • Previous Articles Next Articles
JIANG Xun1(), WU Wen1,2(
), SONG Dehai3
Received:
2022-05-25
Revised:
2022-07-06
Online:
2023-01-10
Published:
2022-07-06
Contact:
WU Wen. emails: Supported by:
JIANG Xun, WU Wen, SONG Dehai. Identification and quantitative analysis of key controlling factors of water quality response to human activities in the Daya Bay, China[J].Journal of Tropical Oceanography, 2023, 42(1): 182-191.
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Tab. 1
Result of the pearson correlation analysis"
指标 | 围填海(C1) | 渔业(C2) | 人口(C3) | 生活污水(C4) | 人均GDP(C5) | 工业废水(C6) | 第三产业(C7) | 流速(C8) | 风速(C9) | DO(C12) | 叶绿素a (C13) | 浮游动物(C14) |
---|---|---|---|---|---|---|---|---|---|---|---|---|
围填海(C1) | 1 | |||||||||||
渔业(C2) | 0.104 | 1 | ||||||||||
人口(C3) | 0.955** | 0.021 | 1 | |||||||||
生活污水(C4) | 0.941** | 0.008 | 0.948** | 1 | ||||||||
人均GDP(C5) | 0.962** | 0.09 | 0.937** | 0.966** | 1 | |||||||
工业废水(C6) | 0.891** | -0.158 | 0.930** | 0.892** | 0.889** | 1 | ||||||
第三产业(C7) | 0.874** | -0.28 | 0.890** | 0.846** | 0.868** | 0.916** | 1 | |||||
流速(C8) | -0.033 | -0.08 | -0.023 | -0.074 | 0.007 | -0.127 | 0.083 | 1 | ||||
风速(C9) | 0.635* | -0.101 | 0.659** | 0.611** | 0.551** | 0.726** | 0.650** | -0.416 | 1 | |||
DO(C12) | -0.289 | 0.089 | -0.181 | -0.087 | -0.216 | -0.297 | -0.397 | 0.172 | -0.398 | 1 | ||
叶绿素a (C13) | 0.004 | 0.396 | -0.066 | 0.003 | 0.114 | -0.087 | -0.183 | 0.308 | -0.35 | 0.088 | 1 | |
浮游动物(C14) | -0.282 | 0.129 | -0.357 | -0.218 | -0.187 | -0.304 | -0.482* | -0.06 | -0.596** | 0.27 | 0.476* | 1 |
Tab. 2
Total variance for explanation"
成分 | 初始特征值 | 旋转载荷平方和 | ||||
---|---|---|---|---|---|---|
总计 | 方差百分比/% | 累积/% | 总计 | 方差百分比/% | 累积/% | |
1 | 3.776 | 41.952 | 41.952 | 3.366 | 37.402 | 37.402 |
2 | 1.754 | 19.488 | 61.44 | 1.797 | 19.971 | 57.373 |
3 | 1.162 | 12.912 | 74.353 | 1.528 | 16.98 | 74.353 |
4 | 0.926 | 10.288 | 84.641 | |||
5 | 0.832 | 9.245 | 93.886 | |||
6 | 0.341 | 3.786 | 97.672 | |||
7 | 0.115 | 1.275 | 98.947 | |||
8 | 0.071 | 0.793 | 99.741 | |||
9 | 0.023 | 0.259 | 100 |
Tab. 3
Principal component matrix and sum loading"
指标 | 主成分 | Fsum | ||
---|---|---|---|---|
F1 | F2 | F3 | ||
围填海(C1) | 0.972 | 0.03 | -0.07 | 0.951 |
渔业(C2) | 0.044 | 0.742 | -0.2 | 0.593 |
生活污水(C4) | 0.953 | 0.025 | -0.018 | 0.909 |
工业废水(C6) | 0.935 | -0.151 | -0.116 | 0.910 |
流速(C8) | 0.024 | -0.084 | 0.925 | 0.863 |
风速(C9) | 0.678 | -0.358 | -0.526 | 0.865 |
溶解氧(C12) | -0.258 | 0.203 | 0.41 | 0.276 |
叶绿素a (C13) | 0.078 | 0.767 | 0.389 | 0.746 |
浮游动物(C14) | -0.323 | 0.677 | 0.134 | 0.581 |
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