<Citation>   <Acknowledgement>   <Disclaimer>   Chang, H. 2012. Effects of land cover, topography, and built structure on seasonal water quality at multiple spatial scales in Clark County, WA and the metropolitan area of Portland, OR. Portland-Vancouver Urban Long-Term Research Area. Forest Science Data Bank, Corvallis, OR. [Database]. Available: http://andlter.forestry.oregonstate.edu/data/abstract.aspx?dbcode=UW001. Accessed 2024-12-10. Data sets were provided by the Forest Science Data Bank, a partnership between the Department of Forest Science, Oregon State University, and the U.S. Forest Service Pacific Northwest Research Station, Corvallis, Oregon. Significant funding for these data was provided by the National Science Foundation Long-Term Ecological Research program (DEB-02-18088). While substantial efforts are made to ensure the accuracy of data and documentation, complete accuracy of data sets cannot be guaranteed. All data are made available 'as is'. The Andrews LTER shall not be liable for damages resulting from any use or misinterpretation of data sets.