- Job applications, post-doctoral fellowships, letters of recommendation, yikes!
- Making some progress on the LAI mapping. The preliminary relationship with NDVI was not so hot, so will write a script to get average of multiple pixels per location (the actual cone of the LAI-2000 is 28 degrees from 1 m height – something like 5-6 pixels at the canopy height).
- Also tinkering with an idea to couple prosail with a shade endmember to derive non-linear paramterization through least squares unmixing of prosail parameters, including LAI, from shade.
Here I used the pixel purity feature in ENVI to identify endmember shade fractions (green) versus an example of full sun canopy direction reflectance. The red curve would be modeled from PROSAIL while the green (shade) would remain as is (the average of multiple pure shade pixels). The issue with this approach is the reduction in the signal/noise ratio with increasing shade levels until parameterization becomes meaningless…
