Spatiotemporal Patterns in pCO2 and Nutrient Concentration: Implications for the CO2 Variations in a Eutrophic Lake
Abstract
:1. Introduction
2. Materials and Methods
2.1. Taihu Lake
2.2. Data Collection and Preliminary Analysis
2.3. Calculations of pCO2 and DO Saturation
2.4. Statistical Analysis
3. Results
3.1. Spatiotemporal Variations in Water Parameters
3.2. Monthly and Seasonal Patterns in pCO2 and Chl–a
3.3. Long-Term Dynamics of pCO2 in Taihu Lake
3.4. Principal Component Analysis
3.5. Correlations between pCO2 and Water Parameters
4. Discussion
4.1. Spatiotemporal Variation in Key Water Parameters in Taihu Lake
4.2. Spatiotemporal Patterns of pCO2 in Taihu Lake
4.3. Response of CO2 Dynamics to Eutrophication
4.4. Implications and Reflections
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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TN | TP | NH4+–N | NO3−–N | PO43−–P | Chl–a | EC | DO | SDO | |
---|---|---|---|---|---|---|---|---|---|
Zone1 | 0.49 ** | 0.38 ** | 0.63 ** | −0.24 ** | 0.48 ** | −0.41 ** | 0.38 ** | −0.58 ** | −0.64 ** |
Zone2 | 0.47 ** | 0.11 ns | 0.53 ** | 0.33 ** | 0.30 ** | −0.41 ** | 0.52 ** | 0.09 ns | −0.33 ** |
Zone3 | 0.38 ** | 0.32 ** | 0.35 ** | 0.31 ** | 0.04 ns | −0.14 ns | 0.35 ** | 0.30 ** | −0.05 ns |
All data | 0.62 ** | 0.58 ** | 0.70 ** | 0.10 ns | 0.53 ** | −0.16 ** | 0.50 ** | −0.32 ** | −0.55 ** |
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Xu, J.; Zhou, Z.; Chen, J.; Zhuo, H.; Ma, J.; Liu, Y. Spatiotemporal Patterns in pCO2 and Nutrient Concentration: Implications for the CO2 Variations in a Eutrophic Lake. Int. J. Environ. Res. Public Health 2022, 19, 12150. https://doi.org/10.3390/ijerph191912150
Xu J, Zhou Z, Chen J, Zhuo H, Ma J, Liu Y. Spatiotemporal Patterns in pCO2 and Nutrient Concentration: Implications for the CO2 Variations in a Eutrophic Lake. International Journal of Environmental Research and Public Health. 2022; 19(19):12150. https://doi.org/10.3390/ijerph191912150
Chicago/Turabian StyleXu, Jie, Zheng Zhou, Jie Chen, Haihua Zhuo, Jie Ma, and Yunbing Liu. 2022. "Spatiotemporal Patterns in pCO2 and Nutrient Concentration: Implications for the CO2 Variations in a Eutrophic Lake" International Journal of Environmental Research and Public Health 19, no. 19: 12150. https://doi.org/10.3390/ijerph191912150