Journal cover Journal topic
Geoscientific Model Development An interactive open-access journal of the European Geosciences Union
https://doi.org/10.5194/gmd-2017-24
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Model experiment description paper
28 Feb 2017
Review status
This discussion paper is under review for the journal Geoscientific Model Development (GMD).
The Palaeoclimate and Terrestrial Exoplanet Radiative Transfer Model Intercomparison Project (PALAEOTRIP): experimental design and protocols
Colin Goldblatt and Lucas Kavenagh School of Earth and Ocean Sceinces, University of Victoria, Victoria, BC, Canada
Abstract. Accurate radiative transfer calculation is fundamental to all climate modelling. For deep palaeoclimate, and increasingly terrestrial exoplanet climate science, this brings both the joy and the challenge of exotic atmospheric compositions. The challenge here is that most standard radiation codes for climate modelling have been developed for modern atmospheric conditions, and may perform poorly away from these. The palaeoclimate or exoclimate modeller must either rely on these or use bespoke radiation codes, and in both cases rely on either blind faith or ad hoc testing of the code. In this paper, we describe the protocols for the Palaeoclimate and Terrestrial Exoplanet Radiative Transfer Model Intercomparison Project (PALAEOTRIP) to systematically address this. This will compare as many radiation codes used for palaeoclimate or exoplanets as possible, with the aim to constrain the ranges of far-from-modern atmospheric compositions in which the codes perform well. This paper describes the experimental protocol and invites community participation in the project through 2017.

Citation: Goldblatt, C. and Kavenagh, L.: The Palaeoclimate and Terrestrial Exoplanet Radiative Transfer Model Intercomparison Project (PALAEOTRIP): experimental design and protocols, Geosci. Model Dev. Discuss., https://doi.org/10.5194/gmd-2017-24, in review, 2017.
Colin Goldblatt and Lucas Kavenagh
Colin Goldblatt and Lucas Kavenagh
Colin Goldblatt and Lucas Kavenagh

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