The earth system modeling framework (ESMF) is a high-performance, flexible software infrastructure for building and coupling weather, climate and related geoscience applications. ESMF defines an architecture for combining complex, coupled modeling systems and includes data structures and utilities for developing individual models. The basic idea of ESMF is to decompose complex applications into unified modules or components, and use standard calling interfaces.

Calite model is an interactive screening model planned and managed by the state water project (SWP) and the Central Valley Project (CVP) in California. It simulates the hydrology of the Central Valley, reservoir operation and delivery allocation decisions to SWP and CVP, delta salinity response to changes in river flow and outlet, and resident ecosystem index. The power of filtering models like callite is the ability to quickly simulate system operations and merge changes relatively easily. The current version of calite simulates the operation of the system on a monthly basis. On the latest modeling computer, it takes about 6 minutes (compared with 30 minutes of calsim), recording a full 82 years of records (water year 1922-2003). Scenarios can be run using a variety of different user specified parameters related to hydrometeorology, requirements, facilities and infrastructure, regulations, and system operations. Through the integrated post-processing tools of the model, we can observe, compare and analyze the results.

Sicopolis model is a three-dimensional dynamic / thermodynamic model, which simulates the evolution of large ice sheet and ice sheet. It was originally created by Greve (1997A, b) in a version of the Greenland ice sheet. Since then, sicopolis models have been developed and applied to the past, present and future glaciers of polar ice caps in Greenland, Antarctica, the entire northern hemisphere, Mars and elsewhere.