Semi parametric models
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Semi-Parametric Models. Vanessa Stauch 1 Andrew Jarvis 2 Karsten Schulz 1 1 Helmholtz-Centre for Environmental Research (UFZ), Germany 2 Lancaster University, Environmental Science Department, UK. Eddy Flux Observations. eddy flux time series with missing data. Eddy Flux Observations.

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Semi-Parametric Models

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Semi-Parametric Models

Vanessa Stauch1

Andrew Jarvis2

Karsten Schulz1

1Helmholtz-Centre for Environmental Research (UFZ), Germany

2 Lancaster University, Environmental Science Department, UK


Eddy Flux Observations

eddy flux time series with missing data


Eddy Flux Observations

need models

eddy flux time series with missing data


Semi-Parametric Models

multidimensional splines


Hypersurface for f{I,T,t}

t

Stauch&Jarvis (2006)


data

model

Evaluation Fsys

BETHY (Knorr&Kattge 2005) for Hainich

Leuning et al. (1995) model for a tropic site

Stauch&Jarvis (2006)


Semi-Parametric Models

residual-characterisation


Noise Characterisation

Residuals of the hypersurface model for SPA (Williams et al. 1996) for an Oregon pine site


Noise Characterisation

Residuals of the hypersurface model for SPA (Williams et al. 1996) for an Oregon pine site


data

model

Evaluation Fnoise

Residuals of the hypersurface model for SPA (Williams et al. 1996) for an Oregon pine site


Gap-Filling: 1. Time Series

one realisation


data

model

Gap-Filling: 2. NCE

NCE for SPA (Williams et al. 1996) for the Oregon pine site


Disaggregation


Evaluation

BETHY (Knorr & Kattge 2005) for Hainich

Leuning et al. (1995) model for a tropic site


Semi-Parametric Models

Thanks!


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