A simple object-oriented and open-source model for scientific and policy analyses of the global climate system – Hector v1.0

Hartin, Corinne A.; Patel, Pralit L.; Schwarber, Adria; Link, Robert P.; Bond-Lamberty, Benjamin

doi:10.5194/gmd-8-939-2015

A simple object-oriented and open-source model for scientific and policy analyses of the global climate system – Hector v1.0

Journal Article · Wed Apr 01 04:00:00 EDT 2015 · Geoscientific Model Development (Online)

DOI:https://doi.org/10.5194/gmd-8-939-2015· OSTI ID:1182883

Hartin, Corinne A.; Patel, Pralit L.; Schwarber, Adria; Link, Robert P.; Bond-Lamberty, Benjamin

Simple climate models play an integral role in the policy and scientific communities. They are used for climate mitigation scenarios within integrated assessment models, complex climate model emulation, and uncertainty analyses. Here we describe Hector v1.0, an open source, object-oriented, simple global climate carbon-cycle model. This model runs essentially instantaneously while still representing the most critical global-scale earth system processes. Hector has a three-part main carbon cycle: a one-pool atmosphere, land, and ocean. The model's terrestrial carbon cycle includes primary production and respiration fluxes, accommodating arbitrary geographic divisions into, e.g., ecological biomes or political units. Hector actively solves the inorganic carbon system in the surface ocean, directly calculating air–sea fluxes of carbon and ocean pH. Hector reproduces the global historical trends of atmospheric [CO₂], radiative forcing, and surface temperatures. The model simulates all four Representative Concentration Pathways (RCPs) with equivalent rates of change of key variables over time compared to current observations, MAGICC (a well-known simple climate model), and models from the 5th Coupled Model Intercomparison Project. Hector's flexibility, open-source nature, and modular design will facilitate a broad range of research in various areas.

View Accepted Manuscript (DOE)

Research Organization:: Pacific Northwest National Laboratory (PNNL), Richland, WA (US)

Sponsoring Organization:: USDOE Office of Science (SC), Integrated Assessment Research Program

Grant/Contract Number:: AC05-76RL01830

OSTI ID:: 1182883

Report Number(s):: PNNL-SA-104722; KP1703030

Journal Information:: Geoscientific Model Development (Online), Journal Name: Geoscientific Model Development (Online) Journal Issue: 4 Vol. 8; ISSN 1991-9603

Publisher:: European Geosciences UnionCopyright Statement

Country of Publication:: United States

Language:: English

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