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Foundations of circulation modeling systems II

Foundations of circulation modeling systems II. EBS566: Estuary and Ocean Systems II – Lecture 4, Winter 2010 Instructors: T. Peterson, M. Haygood, A. Baptista Division of Environmental and Biomolecular Systems, Oregon Health & Science University. Numerical algorithms (white board).

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Foundations of circulation modeling systems II

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  1. Foundations of circulation modeling systems II EBS566: Estuary and Ocean Systems II – Lecture 4, Winter 2010 Instructors: T. Peterson, M. Haygood, A. Baptista Division of Environmental and Biomolecular Systems, Oregon Health & Science University

  2. Numerical algorithms (white board) • Taylor series expansion

  3. Model skill assessment Overview

  4. Model skill assessment: metrics Correlation Skill Index (CSI) corr(obs,mod) / sqrt(var(obs)*var(mod)) Index of Agreement (IOA) IOA = 1 - sum((mod-obs)^2) / sum[(abs(mod-mean(obs))+abs(obs-mean(obs)))^2] Model Bias (MB) MB = (mean(mod)-mean(obs)) / stdev(obs) Mean Square Error (MSE) MSE = mean((mod-obs)^2) Normalized Standard Deviations (NSTD) NSTD = std(mod) / std(obs) Root Mean Square Error (RMSE) RMSE = sqrt(mse) RDFS

  5. Modified Taylor diagram Modified Taylor diagram primer http://www-pcmdi.llnl.gov/about/staff/Taylor/CV/Taylor_diagram_primer.pdf

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