Waldo Lake Research in 2004

Portland State University PDXScholar Center for Lakes and Reservoirs Publications and Presentations Center for Lakes and Reservoirs 6-30-2005 Waldo Lake Research in 2004 Mark D. Sytsma Portland State University, [email protected] John Rueter Portland State University Richard Petersen Portland State University Roy Koch Portland State University Scott A. Wells Portland State University, [email protected] See next page for additional authors Follow this and additional works at: https://pdxscholar.library.pdx.edu/centerforlakes_pub Part of the Environmental Engineering Commons, Environmental Indicators and Impact Assessment Commons, Fresh Water Studies Commons, and the Hydraulic Engineering Commons Let us know how access to this document benefits ou.y Citation Details Sytsma, Mark D.; Rueter, John; Petersen, Richard; Koch, Roy; Wells, Scott A.; Wood, Michelle; Pan, Yangdong; Annear, Robert Leslie; Hook, Aaron; Johnson, Laura; Miller, Rich; Murphy, Amanda; and Stoltz, Terry, "Waldo Lake Research in 2004" (2005). Center for Lakes and Reservoirs Publications and Presentations. 55. https://pdxscholar.library.pdx.edu/centerforlakes_pub/55 This Report is brought to you for free and open access. It has been accepted for inclusion in Center for Lakes and Reservoirs Publications and Presentations by an authorized administrator of PDXScholar. Please contact us if we can make this document more accessible: [email protected]. Authors Mark D. Sytsma, John Rueter, Richard Petersen, Roy Koch, Scott A. Wells, Michelle Wood, Yangdong Pan, Robert Leslie Annear, Aaron Hook, Laura Johnson, Rich Miller, Amanda Murphy, and Terry Stoltz This report is available at PDXScholar: https://pdxscholar.library.pdx.edu/centerforlakes_pub/55 Waldo Lake Research in 2004 By Dr. Mark Sytsma, Dr. John Rueter, Dr. Richard Petersen, Dr. Roy Koch, Dr. Scott Wells, Dr. Michelle Wood Dr. Yangdong Pan Robert Annear, Aaron Hook, Laura Johnson, Rich Miller, Amanda Murphy and Terry Stoltz Center for Lakes and Reservoirs Department of Environmental Sciences and Resources Department of Civil and Environmental Engineering Portland State University Portland, Oregon & Department of Biology University of Oregon Eugene, Oregon June 30, 2005 Table of Contents Table of Contents .............................................................................................................i List of Tables .................................................................................................................iii List of Figures ................................................................................................................vi Executive Summary .....................................................................................................xiv Acknowledgements ......................................................................................................xix 1 Physical and Chemical Characteristics .................................................................1 1.1 Optical Characteristics: Wavelength Specific Light Attenuation.......................1 1.2 Temperature.....................................................................................................8 1.3 Evaluation of Long-Term Water Chemistry Monitoring from 1986-2004.......16 2 Biological Characteristics ..................................................................................21 2.1 Multivariate Analysis of Long-Term Monitoring Data ...................................21 2.2 Phytoplankton Productivity: Uncertainty Analysis of 14C Method..................57 2.3 Photoinhibition and Photoprotective Mechanisms in Natural Phytoplankton Samples from Waldo Lake.........................................................................66 2.4 Mixotrophs in Waldo Lake.............................................................................87 2.5 Assessment of SCUFA Techniques for Determination of Chlorophyll-a Distribution................................................................................................96 2.6 Picophytoplankton .......................................................................................109 2.7 Benthic Substrate Mapping ..........................................................................110 2.8 Benthic Phytobenthos ..................................................................................112 2.9 Vertical Distribution Patterns of Macro-Zooplankton Communities .............114 3 Quality Assurance Plan and Database Development.........................................120 3.1 Quality Assurance Assessment of Long-Term Monitoring in 2004...............120 3.2 Long-Term Monitoring 2005 Sampling Plan................................................122 3.3 Database Development.................................................................................123 4 Climate and Hydrology....................................................................................126 4.1 Background..................................................................................................126 4.2 Simulation model for climate characteristics at Waldo Lake.........................126 4.3 Historic data.................................................................................................128 4.4 Implementation of the stochastic simulation model ......................................128 4.5 Conclusions, observations, and future work .................................................144 5 Water Quality Modeling CE-QUAL-W2..........................................................144 i 5.1 Introduction .................................................................................................144 5.2 Model Development.....................................................................................146 5.3 Model Calibration........................................................................................176 5.4 Summary .....................................................................................................199 References...................................................................................................................200 Appendix A.................................................................................................................206 Appendix B.................................................................................................................211 ii List of Tables Table 1.2-1. Temperature logger station information....................................................9 Table 1.2-2. Coordinates of new temperature logger sites added to Waldo Lake, September 2004........................................................................................9 Table 1.2-3. Comparison of 2003 and 2004 water and air temperatures (°C). .............15 Table 1.3-1. Detection limits and levels of precision for CCAL analyses (Cam Jones, pers. comm.). .........................................................................................17 Table 1.3-2. Percent of samples collected from 1986-2004 at Waldo Lake measured at or below the method detection limit........................................................17 Table 1.3-3. Percent of samples collected from 1986-2004 at Waldo Lake measured at or below the method detection limit plus the precision estimates for each method provided by CCAL. ...................................................................18 Table 2.1-1. Detection limit for chemical variables (CCAL laboratory reports) ..........24 Table 2.1-2. The significance of yearly differences in total phosphorus between 1993 and 2003: Calculated Q values (shown) indicate the difference between years was significant. (Q critical = 3.317 (α = 0.05, n = 11 years) an X indicates the difference between years was not significant, Q calculated < Q critical)...............................................................................................31 Table 2.1-3. The significance of yearly differences in alkalinity between 1993 and 2003: Calculated Q values (shown) indicate the difference between years was significant. (Q critical = 3.317 (α = 0.05, n = 11 years) an X indicates the difference between years was not significant, Q calculated < Q critical.)..................................................................................................31 Table 2.1-4. The significance of yearly differences in silica between 1993 and 2003: Calculated Q values (shown) indicate the difference between years was significant. (Q critical = 3.317 (α = 0.05, n = 11 years) an X indicates the difference between years was not significant, Q calculated < Q critical.) 32 Table 2.1-5. The significance of differences in silica from 1993-2003 between limnetic layers. Calculated Q values indicate the difference between years was significant (Q critical = 2.394(α = 0.05, n = 3 layers) X indicates the difference between years was not significant Q calculated < Q critical). .32 Table 2.1-6. Principle component analysis scores for all samples (Column A) and for only corresponding chemistry and phytoplankton samples (Column B). Parameters included: total phosphorus (TP), alkalinity (measured in mg/l HCO3-C), dissolved silica and total dissolved solids (TDS). ..................35 Table 2.1-7. Stress levels of non-metric multi-dimensional scaling plots of Waldo Lake phytoplankton data collected 1993-2003.................................................40 Table 2.1-8. Stress levels of non-metric multi-dimensional scaling plots of Waldo Lake zooplankton data collected 1996-2003....................................................48

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