PRYSM v2.0 Lake Model PSM

An executable graphical user interface (GUI) for Climate Proxy System Modeling Tools in Python [IN BETA].

Written by Henry Qin, Xueyan Mu, Vinay Tummarakota and Sylvia G. Dee.

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Introduction

Paleoclimate data often proves challenging to interpret, and modeling these archives using a process-based approach has recently emerged as one way to better constrain the climatic controls on these records. A suite of python-based models for these archives was recently published by Dee et al., 2018. To expand use in both the climate community and promote PRYSM as a teaching tool, we have developed a user-friendly GUI for these models. In doing so, we hope to provide a lasting service to the paleoclimate community, as well as for geoscience education.

Version 2.0 includes a suite of lake models (carbonate, gdgt, leafwax, bioturbation, compaction, observation) and is available for both Windows and macOS.

Getting Started

1. Download the executable file here: Windows or Mac
2. Open the executable file. This can be done by clicking on the file.
   • The executable file may take a while to load.
   • If the executable file is unable to open, you may have to change the permissions on the file.
     • Go into the command line.
     • Navigate to the folder where the downloaded executable is located. (More on command line navigating here.)
     • Type in the instructions "chmod 755 PRYSM-GUI".
     • Try opening the excutable file. The executable file should now be openable.
   • If the executable file is still unable to open, try lowering the security preferences.
     • Open System Preferences
     • Click "Security & Privacy"
     • Click "Open Anyway"
     • The executable file should now be openable.

Tutorial

We have also included the following tutorial to guide you through the process of using the GUI

Example Data Files

We have included example data files as a reference for formatting your own data and for getting familiar with the GUI. These example files are already included in the zip file which contains the GUI executable.

• Lake Model Input
• Lake Model Output (.dat)
• Leafwax Model Input (.txt)
• Leafwax Model Output (.csv)
• Observation Model Input (.csv)

Contact

Email: Henry Qin at hq5@rice.edu, Xueyan Mu at xm14@rice.edu, Vinay Tummarakota at sst7@rice.edu, and Sylvia Dee at sylvia.dee@rice.edu
Rice University, Department of Earth, Environmental, and Planetary Sciences, Houston, TX 77005