Geoscientific Model Development
Geoscientific Model Development
GMD
Articles | Volume 11, issue 6
Articles | Volume 11, issue 6
https://doi.org/10.5194/gmd-11-2503-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-11-2503-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 11, issue 6
Development and technical paper
 | 
22 Jun 2018
Development and technical paper |  | 22 Jun 2018

A conservative reconstruction scheme for the interpolation of extensive quantities in the Lagrangian particle dispersion model FLEXPART

Sabine Hittmeir, Anne Philipp, and Petra Seibert

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Short summary
Model output of quantities such as precipitation usually represents integrals, for example sums over 3 h. It is not trivial to interpolate a time series of such integral values to instantaneous precipitation rates conserving the integral values. A piecewise linear reconstruction is presented which fulfils the conservation, is non-negative, and is continuous at interval boundaries. It will be used in the FLEXPART Lagrangian dispersion model but has many other possible applications.
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