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Author Correction: Hydrology and the future of the Greenland Ice Sheet.

Nature communications·2019
Same author

Hydrology and the future of the Greenland Ice Sheet.

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Simulating Impacts of Ice Storms on Forest Ecosystems
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Modelling water flow under glaciers and ice sheets.

Gwenn E Flowers1

  • 1Department of Earth Sciences , Simon Fraser University, 8888 University Drive , Burnaby, British Columbia, Canada V5A 1S6.

Proceedings. Mathematical, Physical, and Engineering Sciences
|August 23, 2016
PubMed
Summary

Subglacial drainage models simulate water flow beneath ice sheets, advancing from groundwater principles to complex 2D systems. These models, coupled with ice flow, reproduce key phenomena but require further development for calibration and large-scale application.

Keywords:
basal processescryosphereglacier and ice-sheet dynamicshydraulicshydrological modelssubglacial hydrology

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Area of Science:

  • Glaciology
  • Hydrology
  • Computational Modeling

Background:

  • Recent observations reveal dynamic subglacial water systems under Greenland and Antarctic ice sheets, necessitating advanced modeling.
  • Current subglacial drainage models evolved from early groundwater flow principles and mountain glacier studies.
  • Understanding subglacial hydrology is crucial for predicting ice sheet behavior and sea-level rise.

Approach:

  • Models have progressed from basic groundwater flow to incorporating specialized subglacial flow elements.
  • Sophisticated two-dimensional models now represent interacting distributed and channelized drainage systems.
  • Coupling subglacial drainage models with ice flow models allows simulation of coupled ice-hydrology processes.

Key Points:

  • Subglacial drainage models are rapidly developing and can reproduce canonical phenomena in coupled ice-hydrology systems.
  • Models integrate distributed and channelized flow, reflecting complex subglacial environments.
  • Despite advancements, model calibration is challenging, and broad application to real-world ice sheets is pending further development.

Conclusions:

  • Subglacial drainage modeling is a key area of research for understanding ice sheet dynamics.
  • Current models show promise in simulating ice sheet basal processes but face limitations in calibration and scale.
  • Future research will focus on enhancing model capabilities for real-world applications and accurate predictions.