Analysis of the Driving Mechanism of Water Environment Evolution and Algal Bloom Warning Signals in Tai Lake
Abstract
:1. Introduction
2. Materials and Methods
2.1. Study Area
2.2. Data Source
2.2.1. Physical and Chemical Indicators of the Water Environment
2.2.2. Aquatic Ecological Indexes
2.2.3. Meteorological Factors
2.2.4. Hydrological Data
2.2.5. Socio-Economic Indicators
2.3. Data Analysis and Processing
3. Results and Discussion
3.1. Historical Records of Response Variables and Environmental Driving Factors in the Sediment of the Tai Lake Ecosystem
3.2. Detection and Evidence of Mutation in the Tai Lake Ecosystem
3.3. Extraction of Potential Early Warning Signals of Ecosystem Mutation
3.4. Dynamic Change Process of the Socio-Lake System
4. Conclusions
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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PCA1_ARIMA (1,1,2) | R2 = 0.98 | |||
---|---|---|---|---|
Type | Cofficient | SE Coef | T | P |
AR(1) | 0.533 | 0.375 | 1.422 | 0.193 |
AR(2) | 0.466 | 0.368 | 1.265 | 0.242 |
MA(1) | 0.888 | 0.171 | 2.185 | 0.0008 |
Multiple regression model standardized coefficients | |
PCA1 | |
precipitation air temperature | −0.046 −0.039 |
wind speed | 0.942 |
fertilizer | 0.586 |
crop production | −0.438 |
Water level | 0.046 |
Notes: p ≤ 0.05 insignificant. | |
Simple regression model R value | |
PCA1 | |
precipitation | −0.476 |
air temperature | −0.476 |
wind speed * | 0.834 |
Fertilizer * | −0.739 |
water level | 0.077 |
crop production * | −0.773 |
Notes: p < 0.05 * (2-tailed test) significant, the rest are insignificant. |
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Li, C.; Wu, W. Analysis of the Driving Mechanism of Water Environment Evolution and Algal Bloom Warning Signals in Tai Lake. Water 2023, 15, 1245. https://doi.org/10.3390/w15061245
Li C, Wu W. Analysis of the Driving Mechanism of Water Environment Evolution and Algal Bloom Warning Signals in Tai Lake. Water. 2023; 15(6):1245. https://doi.org/10.3390/w15061245
Chicago/Turabian StyleLi, Cuicui, and Wenliang Wu. 2023. "Analysis of the Driving Mechanism of Water Environment Evolution and Algal Bloom Warning Signals in Tai Lake" Water 15, no. 6: 1245. https://doi.org/10.3390/w15061245
APA StyleLi, C., & Wu, W. (2023). Analysis of the Driving Mechanism of Water Environment Evolution and Algal Bloom Warning Signals in Tai Lake. Water, 15(6), 1245. https://doi.org/10.3390/w15061245