Computational Ecohydrology


Valeriy Y. Ivanov, University of Michigan, US
Simone Fatichi, ETHZ, Switzerland
Edoardo Daly, Monash University, Australia


The interplay between abiotic factors and components of terrestrial ecosystems is of interest in a many Earth science disciplines. The nature of such interactions leads to feedbacks, nonlinearities, and even threshold effects that are often oversimplified in mathematical models. The quantitative description of relevant process interactions is challenging because links between abiotic and biotic factors are often poorly understood across a range of spatial and temporal scales. This session will focus on the modeling of biotic-abiotic process coupling and their scaling properties, the development of innovative numerical methods describing these interactions, and the continued evolution of fully coupled larger-scale models that capture the role of biota in the dynamics of hydrological and hydrodynamic processes. Topics of interest include, but are not limited to:

  • Plant life-cycle processes and their representation in ecohydrological models
  • Models of plant-scale hydraulics and biophysics and upscaling methodologies
  • Ecohydrology of root dynamics and below-ground carbon and nutrient pools
  • Modeling long and short-term interactions of dynamic vegetation and hydrological response
  • Representation of vegetation biodiversity and heterogeneity in large-scale models
  • Trait-based modeling of above- and below-ground ecohydrology
  • Modeling spatial vegetation processes, including competition and symbiosis
  • Vegetation and boundary layer interactions
  • Modeling hydrologic impacts on ecology of aquatic plant and fish habitats
  • Simulation of plant effects on flow hydrodynamics and sediment transport
  • Herbivory and insect disturbances in watershed models and land-surface parameterizations
  • Modeling ecohydrological processes in intensively managed environments (e.g., agricultural and urban environments)

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