Fluctuation of the Water Environmental Carrying Capacity in a Huge River-Connected Lake
Abstract
:1. Introduction
2. Materials and Methods
2.1. Study Area
2.2. WECC Calculation Methodology
2.3. Parameters Determination
2.3.1. 2-D Unsteady Numerical Model
2.3.2. Confirmation of Degradation Coefficients
Month | COD | TN | TP | ||||||
---|---|---|---|---|---|---|---|---|---|
North Area | Middle Area | South Area | North Area | Middle Area | South Area | North Area | Middle Area | South Area | |
Jan. | 0.028 | 0.015 | 0.025 | 0.011 | 0.010 | 0.012 | 0.006 | 0.005 | 0.007 |
Feb. | 0.031 | 0.017 | 0.028 | 0.012 | 0.011 | 0.013 | 0.007 | 0.006 | 0.008 |
Mar. | 0.063 | 0.052 | 0.066 | 0.038 | 0.029 | 0.045 | 0.018 | 0.014 | 0.020 |
Apr. | 0.081 | 0.072 | 0.087 | 0.053 | 0.040 | 0.064 | 0.025 | 0.019 | 0.026 |
May | 0.088 | 0.080 | 0.095 | 0.059 | 0.044 | 0.070 | 0.027 | 0.021 | 0.029 |
Jun. | 0.096 | 0.088 | 0.105 | 0.066 | 0.048 | 0.078 | 0.030 | 0.023 | 0.032 |
Jul. | 0.102 | 0.087 | 0.104 | 0.065 | 0.048 | 0.077 | 0.030 | 0.023 | 0.032 |
Aug. | 0.105 | 0.097 | 0.115 | 0.072 | 0.053 | 0.086 | 0.033 | 0.025 | 0.035 |
Sep. | 0.100 | 0.092 | 0.109 | 0.068 | 0.050 | 0.082 | 0.031 | 0.024 | 0.033 |
Oct. | 0.102 | 0.095 | 0.112 | 0.070 | 0.052 | 0.084 | 0.032 | 0.024 | 0.034 |
Nov. | 0.066 | 0.055 | 0.069 | 0.041 | 0.031 | 0.048 | 0.019 | 0.015 | 0.021 |
Dec. | 0.029 | 0.016 | 0.026 | 0.012 | 0.011 | 0.013 | 0.006 | 0.005 | 0.007 |
2.3.3. Confirmation of Non-Uniform Distribution Coefficients
Month | COD | TN | TP | ||||||
---|---|---|---|---|---|---|---|---|---|
North Area | Middle Area | South Area | North Area | Middle Area | South Area | North Area | Middle Area | South Area | |
Jan. | 0.203 | 0.182 | 0.214 | 0.168 | 0.151 | 0.182 | 0.123 | 0.112 | 0.140 |
Feb. | 0.134 | 0.120 | 0.141 | 0.111 | 0.099 | 0.120 | 0.081 | 0.074 | 0.092 |
Mar. | 0.131 | 0.117 | 0.137 | 0.108 | 0.097 | 0.117 | 0.079 | 0.072 | 0.090 |
Apr. | 0.133 | 0.119 | 0.140 | 0.110 | 0.099 | 0.119 | 0.080 | 0.073 | 0.092 |
May | 0.063 | 0.057 | 0.067 | 0.052 | 0.047 | 0.057 | 0.038 | 0.035 | 0.044 |
Jun. | 0.062 | 0.055 | 0.065 | 0.051 | 0.046 | 0.055 | 0.037 | 0.034 | 0.043 |
Jul. | 0.059 | 0.053 | 0.062 | 0.048 | 0.043 | 0.053 | 0.035 | 0.032 | 0.040 |
Aug. | 0.058 | 0.052 | 0.061 | 0.048 | 0.043 | 0.052 | 0.035 | 0.032 | 0.040 |
Sep. | 0.065 | 0.058 | 0.068 | 0.054 | 0.048 | 0.058 | 0.039 | 0.036 | 0.045 |
Oct. | 0.132 | 0.119 | 0.139 | 0.109 | 0.098 | 0.119 | 0.080 | 0.073 | 0.091 |
Nov. | 0.140 | 0.119 | 0.140 | 0.110 | 0.099 | 0.119 | 0.080 | 0.073 | 0.092 |
Dec. | 0.162 | 0.146 | 0.171 | 0.134 | 0.120 | 0.146 | 0.098 | 0.090 | 0.112 |
3. Results and Discussion
4. Conclusions
Acknowledgments
Author Contributions
Conflicts of Interest
References
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Wang, H.; Zhou, Y.; Tang, Y.; Wu, M.; Deng, Y. Fluctuation of the Water Environmental Carrying Capacity in a Huge River-Connected Lake. Int. J. Environ. Res. Public Health 2015, 12, 3564-3578. https://doi.org/10.3390/ijerph120403564
Wang H, Zhou Y, Tang Y, Wu M, Deng Y. Fluctuation of the Water Environmental Carrying Capacity in a Huge River-Connected Lake. International Journal of Environmental Research and Public Health. 2015; 12(4):3564-3578. https://doi.org/10.3390/ijerph120403564
Chicago/Turabian StyleWang, Hua, Yiyi Zhou, Yang Tang, Mengan Wu, and Yanqing Deng. 2015. "Fluctuation of the Water Environmental Carrying Capacity in a Huge River-Connected Lake" International Journal of Environmental Research and Public Health 12, no. 4: 3564-3578. https://doi.org/10.3390/ijerph120403564