I am curious about L3 interpolation method.
The document(*) refers that Gaussian weighting is used, how consider it about time?
And does 8-day mean that it includes the past senven days as of now?
Then I wonder if the 8-day data were just averaged to interpolate missing pixel of today.
I would appreciate it if you recommend a document that explains this in detail.
*SMAP Salinity and Wind Speed Data User's Guide Version 4.3