i.eb.hsebal95: fix numerical instability - #1779
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Known numerical limitation of Monin-Obukhov similarity theory at near-calm wind: operational SEBAL/METRIC implementations universally floor 2m wind speed at some minimum (commonly ~1.0 m/s) specifically to avoid this singularity, since the log-wind-profile assumptions themselves break down physically at near-zero wind.
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Is it something to write in the manual page too? |
echoix
approved these changes
Jul 9, 2026
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Known numerical limitation of Monin-Obukhov similarity theory at near-calm wind: operational SEBAL/METRIC implementations universally floor 2m wind speed at some minimum (commonly ~1.0 m/s) specifically to avoid this singularity, since the log-wind-profile assumptions themselves break down physically at near-zero wind.