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GHOST (Generic Hydrologic Overland-Subsurface Toolkit)

GHOST (Generic Hydrologic Overland-Subsurface Toolkit) MM-pihm is an open-source code commonly used for predicting the hydrological response of medium-size to large watersheds over the span of months. GHOST is a reformulation of MM-pihm designed for multi-year simulations in large basins, with specific modifications focusing on enhancing performance, capturing physical processes in Iowa watersheds, and improving computational efficiency.

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GHOST (Generic Hydrologic Overland-Subsurface Toolkit)

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  1. GHOST (Generic Hydrologic Overland-Subsurface Toolkit) MM-pihm is a distributed coupled surface-subsurface hydrologic open source code commonly used to predict the hydrological response of medium-size watersheds over period of months (Qu et al., 2007; Yu et al., 2013). GHOST is a reformulation of MM-pihm to perform multi-year simulations in large basins. Modifications and modules specifically developed in GHOST was directed by: • Increasing performance • Coupling fluxes capable of reproducing long-term continuous basin behavior • Capturing physical processes in Iowa watersheds • Robust algorithms

  2. Improving computational efficiency OF the code

  3. Development of mathematical expressions for lateral fluxes

  4. Development of mathematical expressions for vertical Fluxes

  5. Hello Development of specific models for IOWA watersheds

  6. Lake module

  7. Retention basin module

  8. ET model

  9. Outputs

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