Multidisciplinary Care at Radboudumc: Evaluation of Health Status in Marfan Patients
Providing integral health status evaluation and self-management support in Marfan patients at Radboudumc, Netherlands. Expert care by dedicated specialists and utilization of NCSI for comprehensive patient assessment and improved long-term outcomes.
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Presentation Transcript
Continuous Water- Quality Monitoring
Continuous Water Quality Monitoring Advantages Needed in rapidly changing systems Provides better understanding of interaction between constituents Provides better understanding of transport processes Disadvantages Equipment costs are greater Operation and maintenance costs are greater Vulnerable to damage and/or loss
Relations Between Parameters DO and pH DO and pH track together Diurnal Pattern Why?
Relations Between Parameters DO and Temperature Super- saturated DO DO crash in June Variation in DO changes seasonally
Relations Between Parameters Turbidity vs- Discharge
Discrete vs Continuous Monitoring
Other Surrogate Possibilities Continuous Parameter(s) Specific Conductance Turbidity Surrogate Constituent TDS, Total Nitrogen Suspended Sediment, Total Phosphorous Bacteria Turbidity + Temperature Relations are developed using discrete samples and linear regression Regression model used to synthesize continuous record of target parameters that are difficult to monitor. Parameter -vs- surrogate relations are not universal but site specific
Applications Continuous monitoring the constituent or its surrogate to aid in identifying occurrence and duration of water- quality parameters that exceed regulatory limits.
Relation between SC and TN 1.8 1.6 1.4 1.2 Proposed Regulatory Limit = 1.0 mg/L 1 TN (mg/L) 0.8 Difficult to monitor 0.6 0.4 ln(TN) Linear (ln(TN)) 0.2 y = 0.0041x - 0.6367 R = 0.902 0 0 100 200 300 400 500 600 -0.2 Easy to monitor -0.4 SC (uS/cm)
Applications (cont) Identify and optimize periods for sample collection Quantify constituent loads (volume/time) Familiarity with the site and data will lead to a better understanding of physical processes and interactions between constituents
