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Representing the function and sensitivity of coastal interfaces in Earth system models.

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Coastal ecosystems are vital for material exchange, but global models overlook their dynamics. This study assesses monitoring networks and models to improve predictions of coastal and global changes.

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Area of Science:

  • Environmental Science
  • Coastal Ecology
  • Earth System Science

Background:

  • Coastal ecosystems are critical interfaces between land and ocean, facilitating material transformation, storage, and transport.
  • Hydrological and hydrodynamic processes (river discharge, tides, waves, storms) drive energy and matter exchange in these dynamic zones.
  • Current global models inadequately represent coastal processes and their feedbacks, limiting accurate predictions of environmental change.

Purpose of the Study:

  • To evaluate the current state of coastal monitoring networks and regional models.
  • To identify existing challenges in observing and modeling coastal processes.
  • To propose a framework for developing global models that better incorporate coastal dynamics.

Main Methods:

  • Review of existing coastal monitoring networks.
  • Assessment of current regional coastal models.
  • Analysis of challenges in coastal process representation.

Main Results:

  • Significant gaps exist in current coastal monitoring and modeling capabilities.
  • Existing models often fail to capture the complexity of coastal material and energy exchange.
  • The integration of diverse data sources and advanced modeling techniques is necessary.

Conclusions:

  • Improved representation of coastal processes in global models is crucial for accurate climate and environmental change predictions.
  • Enhanced coastal monitoring networks are essential for validating and refining these models.
  • A coordinated global effort is needed to advance coastal Earth system science.