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fix vprm parameters #54

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fix vprm parameters #54

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lionel42
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@lionel42 lionel42 commented Aug 14, 2024

This updates the current vprm code with sandro's modifications

Pscale is 1 during phase two (Mahadevan et al, paragraph [14])to detect phase two occurrence let's use a EVI threshold method
see WRF-GHG https://github.com/wrf-model/WRF/blob/f34b11dbb89c002c5c0dca1195aab35daeed7349/chem/module_ghg_fluxes.F#L199
see pyVPRM https://github.com/tglauch/pyVPRM/blob/308421b3f1ade445fef1b9edc37547db83a295cb/pyVPRM/VPRM.py#L561

since it's not simple to get vegetation dynamics on Sentinel2 (while it's available for MOD12Q2 used by Mahadevan et al., 2008), the overall max and min of EVI is used, not the EVI max/min during growing phase only (as it should be).


📚 Documentation preview 📚: https://emiproc--54.org.readthedocs.build/en/54/

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on line 283 the comment should be "bud-burst to full canopy period"... I misspelled the word...

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@abigmo I gave you dev rights so you can change directly and contribute ;)

fixing typos to comments
Adding Modified VPRM following Gourdij et al. JGR 2021.
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