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NGEET / fates

repository for the Functionally Assembled Terrestrial Ecosystem Simulator (FATES)
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Unrealisticly high infiltration rates at soil thaw #818

Open mariuslam opened 2 years ago

mariuslam commented 2 years ago

Hi,

When plotting QINFL (infiltration) in mm/day, (i just multiply by 606024), I find super high rates when the top soil layer unfreezes.

I compared Fates and Fates hydro in the most recent versions. It seems like this does not happen too often if all pft s are activated. But I run in only cold deciduous tree or only extratropical evergreen tree simulations.

Marius

1x1_Yakutsk_era_QINFL 1x1_Yakutsk_era_SNOWDP 1x1_Yakutsk_era_TSL evergreen_QINFL

rgknox commented 2 years ago

@mariuslam I'm trying to think of sources for all of this infiltrating water. Presumably there wouldn't be enough precipitation and snow to melt to accomodate such large fluxes.

olyson commented 2 years ago

"(i just multiply by 606024)" If you are converting from mm/s to mm/day, shouldn't this be 86400?

mariuslam commented 2 years ago

Yes , I meant 60min60sec24, so its the same as 86400. At the cold site , I encounter too high infiltration fluxes in several model setups and several model versions.