Seasonal Water Quality Trends in the Feitsui Reservoir Watershed, Taiwan
Protecting is the sources of drinking water is the first
barrier of contamination of drinking water. The Feitsui Reservoir
watershed of Taiwan supplies domestic water for around 5 million
people in the Taipei metropolitan area. Understanding the spatial
patterns of water quality trends in this watershed is an important
agenda for management authorities. This study examined 7 sites in the
watershed for water quality parameters regulated in the standard for
drinking water source. The non-parametric seasonal Mann-Kendall-s
test was used to determine significant trends for each parameter.
Significant trends of increasing pH occurred at the sampling station in
the uppermost stream watershed, and in total phosphorus at 4 sampling
stations in the middle and downstream watershed. Additionally, the
multi-scale land cover assessment and average land slope were used to
explore the influence on the water quality in the watershed. Regression
models for predicting water quality were also developed.
[1] R. Plummer, J. Velaniškis, D. de Grosbois, R. D. Kreutzwiser, and R. de
Loë, "The development of new environmental policies and processes in
response to a crisis: the case of the multiple barrier approach for safe
drinking water," Environ. Sci. Policy, vol. 13, pp. 535-548, 2010.
[2] L. A. Sprague and D. L. Lorenz, "Regional Nutrient Trends in Streams
and Rivers of the United States, 1993−2003," Environ. Sci. Technol., vol.
43, pp. 3430-3435, 2009.
[3] M. Boeder and H. Chang, "Multi-scale analysis of oxygen demand trends
in an urbanizing Oregon watershed, USA," J. Environ. Manage., vol. 87,
pp. 567-581, 2008.
[4] C. P. Tran, R. W. Bode, A. J. Smith, and G. S. Kleppel, "Land-use
proximity as a basis for assessing stream water quality in New York State
(USA)," Ecolo. Indic., vol. 10, pp. 727-733, 2010.
[5] Y. S. Yu, S. Zou, and D. Whittemore, "Non-parametric trend analysis of
water quality data of rivers in Kansas," J. Hydrol., vol. 150, pp. 61-80,
1993.
[6] H. D. Passell, C. N. Dahm, and E. J. Bedrick, "Nutrient and organic
carbon trends and patterns in the upper Rio Grande, 1975-1999" Sci.
Total Environ., vol. 345, pp. 239-260, 2005.
[7] H. Chang, "Spatial analysis of water quality trends in the Han River basin,
South Korea" Water Res., vol. 42, pp. 3285-3304, 2008.
[8] R. M. Hirsch and J. R. Slack, "A Nonparametric Trend Test for Seasonal
Data with Serial Dependence," Water Resour. Res., vol. 20, pp. 727-732,
1984.
[9] C. D. Evans, J. M. Cullen, C. Alewell, J. Kopácek, A. Marchetto, F.
Moldan, A. Prechtel, M. Rogora, J. VeselÛ, and R. Wright, "Recovery
from acidification in European surface waters," Hydrol. Earth Syst. Sc.,
vol. 5, pp. 283-297, 2001.
[10] R. M. Hirsch, R. B. Alexander, and R. A. Smith, "Selection of methods for
the detection and estimation of trends in water quality," Water Resour.
Res., vol. 27, pp. 803-813, 1991.
[1] R. Plummer, J. Velaniškis, D. de Grosbois, R. D. Kreutzwiser, and R. de
Loë, "The development of new environmental policies and processes in
response to a crisis: the case of the multiple barrier approach for safe
drinking water," Environ. Sci. Policy, vol. 13, pp. 535-548, 2010.
[2] L. A. Sprague and D. L. Lorenz, "Regional Nutrient Trends in Streams
and Rivers of the United States, 1993−2003," Environ. Sci. Technol., vol.
43, pp. 3430-3435, 2009.
[3] M. Boeder and H. Chang, "Multi-scale analysis of oxygen demand trends
in an urbanizing Oregon watershed, USA," J. Environ. Manage., vol. 87,
pp. 567-581, 2008.
[4] C. P. Tran, R. W. Bode, A. J. Smith, and G. S. Kleppel, "Land-use
proximity as a basis for assessing stream water quality in New York State
(USA)," Ecolo. Indic., vol. 10, pp. 727-733, 2010.
[5] Y. S. Yu, S. Zou, and D. Whittemore, "Non-parametric trend analysis of
water quality data of rivers in Kansas," J. Hydrol., vol. 150, pp. 61-80,
1993.
[6] H. D. Passell, C. N. Dahm, and E. J. Bedrick, "Nutrient and organic
carbon trends and patterns in the upper Rio Grande, 1975-1999" Sci.
Total Environ., vol. 345, pp. 239-260, 2005.
[7] H. Chang, "Spatial analysis of water quality trends in the Han River basin,
South Korea" Water Res., vol. 42, pp. 3285-3304, 2008.
[8] R. M. Hirsch and J. R. Slack, "A Nonparametric Trend Test for Seasonal
Data with Serial Dependence," Water Resour. Res., vol. 20, pp. 727-732,
1984.
[9] C. D. Evans, J. M. Cullen, C. Alewell, J. Kopácek, A. Marchetto, F.
Moldan, A. Prechtel, M. Rogora, J. VeselÛ, and R. Wright, "Recovery
from acidification in European surface waters," Hydrol. Earth Syst. Sc.,
vol. 5, pp. 283-297, 2001.
[10] R. M. Hirsch, R. B. Alexander, and R. A. Smith, "Selection of methods for
the detection and estimation of trends in water quality," Water Resour.
Res., vol. 27, pp. 803-813, 1991.
@article{"International Journal of Earth, Energy and Environmental Sciences:57842", author = "Pei-Te Chiueh and Hsiao-Ting Wu and Shang-Lien Lo", title = "Seasonal Water Quality Trends in the Feitsui Reservoir Watershed, Taiwan", abstract = "Protecting is the sources of drinking water is the first
barrier of contamination of drinking water. The Feitsui Reservoir
watershed of Taiwan supplies domestic water for around 5 million
people in the Taipei metropolitan area. Understanding the spatial
patterns of water quality trends in this watershed is an important
agenda for management authorities. This study examined 7 sites in the
watershed for water quality parameters regulated in the standard for
drinking water source. The non-parametric seasonal Mann-Kendall-s
test was used to determine significant trends for each parameter.
Significant trends of increasing pH occurred at the sampling station in
the uppermost stream watershed, and in total phosphorus at 4 sampling
stations in the middle and downstream watershed. Additionally, the
multi-scale land cover assessment and average land slope were used to
explore the influence on the water quality in the watershed. Regression
models for predicting water quality were also developed.", keywords = "Seasonal Mann-Kendall's test, Flow-adjusted
concentrations, Water quality trends, Land-use", volume = "5", number = "10", pages = "601-4", }