Getting Started with GCHP

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The GCHP documentation has moved to https://gchp.readthedocs.io/. The GCHP documentation on http://wiki.seas.harvard.edu/ will stay online for several months, but it is outdated and no longer active!


GCHP Main Page

Overview

GEOS-Chem High Performance (GCHP) represents the next generation of GEOS-Chem. Capabilities that distinguish GCHP from standard GEOS-Chem (GEOS-Chem "Classic") include:

  • Flexible-resolution simulations, from ~4° x 5° (C24) to ~0.25° x 0.3125° (C360) without the need for code edits or recompilation
  • Use of the cubed-sphere (CS) grid, which eliminates the need for polar filtering and brings GEOS-Chem into line with the NASA GEOS AGCM
  • MPI distributed-memory parallelization which enables running a single job across multiple machines

This page will guide you through the wiki pages to get started with the latest release of GCHP. For a very quick start guide, see also https://github.com/geoschem/gchpctm.

GCHP Quick Start Guide

  1. Hardware and Software Requirements
  2. Setting Up the GCHP Environment
  3. Downloading Source Code and Data Directories
  4. Compiling
  5. Obtaining a Run Directory
  6. Running GCHP: Basics
  7. Running GCHP: Configuration
  8. Output Data
  9. Developing GCHP
  10. Run Configuration Files

GCHP Main Page

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