Simple 3 box model for atmospheric and ocean carbon cycle, including DIC system, carbonate alkalinity, weathering, O2, and PO4 feedbacks. Tuned to Cretaceous conditions.  Some primitives degraded for lab activity.

Simple 3 box model for atmospheric and ocean carbon cycle, including DIC system, carbonate alkalinity, weathering, O2, and PO4 feedbacks. Tuned to Cretaceous conditions.  Some primitives degraded for lab activity.