Preprints
https://doi.org/10.5194/gmd-2022-201
https://doi.org/10.5194/gmd-2022-201
Submitted as: model description paper
26 Sep 2022
Submitted as: model description paper | 26 Sep 2022
Status: this preprint is currently under review for the journal GMD.

Daily INSOLation (DINSOL-v1.0) model: An intuitive tool to be coupled with climate models and used in classrooms

Emerson Damasceno Oliveira Emerson Damasceno Oliveira
  • Laboratory of Meteorology, Federal University of Vale do São Francisco (UNIVASF), 48902-300, Juazeiro-BA, Brazil

Abstract. Climate modelling requires spending an extensive amount of time programming, which means reading, learning, testing, and evaluating source code. Fortunately, many climate models have been developed within the past decades, making it easier for climate studies to be conducted on a global scale. However, some climate models have millions of code lines, making the introduction of new parameterizations a laborious task that demands teamwork. While it is true that the high complexity models perform realistic climate simulations, some researchers perform their studies using simplified climate models in the preliminary test phases. This realisation motivated the development of the Daily INSOLation (DINSOL) model, a robust computer program to support the simplified climate models, performing solar radiation calculations while considering Milankovitch cycles and offering various simulation options for its users. DINSOL was intended to function as a model which supplies data (e.g., daily insolation, instantaneous solar radiation, orbital parameters of the Earth, and the calendar dates), such as the PMIPII. While preparing the boundary conditions of solar radiation for climate models, it was realised that the DINSOL model could also be a helpful tool for use in classrooms. Thus, it was decided that an intuitive graphical user interface would be required to cater to this educational purpose. The model was written in the Fortran 90 language, while its graphical user interface would be built using PyGTK, a Python application programming interface (API) based on GIMP ToolKit (GTK). Furthermore, the R language would also be used to generate a panel containing contour fields and sketches of the orbital parameters to support the graphical execution. The model evaluation made use of data from PMIPII and other models, and the data analysis was performed through statistical methods. Once all tests were concluded, an insignificant difference between the DINSOL-obtained results and the results obtained from other models validated the viability of DINSOL as a tool.

Emerson Damasceno Oliveira

Status: open (extended)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • CC1: 'Comment on gmd-2022-201', Kevin Schwarzwald, 22 Nov 2022 reply
    • AC1: 'Reply on CC1', Emerson Damasceno de Oliveira, 25 Nov 2022 reply
  • RC1: 'Comment on gmd-2022-201', Anonymous Referee #1, 28 Nov 2022 reply
  • AC2: 'Comment on gmd-2022-201', Emerson Damasceno de Oliveira, 03 Dec 2022 reply

Emerson Damasceno Oliveira

Data sets

Supplementary files/DINSOL-v1.0 Emerson Damasceno de Oliveira https://doi.org/10.5281/zenodo.6885502

Model code and software

Daily INSOLation (DINSOL-v1.0) model Emerson Damasceno de Oliveira https://doi.org/10.5281/zenodo.6884499

Emerson Damasceno Oliveira

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Short summary
The Daily INSOLationi (DINSOL-v1.0) is a model that simulates the incoming solar radiation at the top of the atmosphere following the Milankovitch cycles theory. The program is ideal for preparing the boundary conditions of climate models, beyond to be a helpful tool for educational purposes. Further, the program produces different solar radiation data files as well as other variables.