Set up PIHM for NTL

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Setup PIHM for North Temperate Lakes

Plans for how to integrate lakes with PIHM, progressively more complex:

  1. Constant lake level. Streams flow in, flow out.
  2. Time variable boundary conditions (weakly coupled with lake model). Prescribe levels in the lake from data or GLM.
  3. Sequential coupling. Run PIHM, pass fluxes into GLM, pass the level back to PIHM.

Other properties for initial runs:

  • 30 year simulation period (1979-2009)
  • Use 40 m deep land surface. (Aquifer consists of 40 to 60 m of unconsolidated Pleistocene glacial deposits, mostly glacial outwash sands and gravel. Horizontal hydraulic conductivities are estimated to be ~10 m/day Pint et al 2003).
  • Start with uniform soils.
  • Use single atmospheric data set for entire domain. Two options, hydroterre forcing data or NTL data.
  • Define dirichlet boundary condition (fixed as constant head) for all lakes in the catchment. Start with median lake levels. Can then implement time variable from GLM.
  • No lake ice for now.
  • Inlet boundary condition for riv file?


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