The forum is locked.
The Ocean Color Forum has transitioned over to the Earthdata Forum (https://forum.earthdata.nasa.gov/). The information existing below will be retained for historical reference. Please sign into the Earthdata Forum for active user support.
I haven't experimented to check how significant this difference might be, but I wondered if this was intentional or rather it was a case of the implementation not keeping up with the documentation (or vice versa, I guess).
Also, are the values of the pure water absorption and backscatter spectra tabulated anywhere in SeaDAS (or elsewhere, for that matter)?
Nice find We had to track back a bit, but got confirmation from Zhongping that indeed the code as implemented is not correct and that the IOCCG documentation is what was intended. Way back in the vagaries of time when the v6 code was being implemented there must have been a miscommunication. ...and no one notice for oh, 5 years or so...until you decided to noodle around The code will be fixed, and eventually make it's way into SeaDAS.
> Also, are the values of the pure water absorption and backscatter spectra tabulated anywhere in SeaDAS (or elsewhere, for that matter)?
Yes. Each mission's "msl12_sensor_info.dat" file contains aw and bbw.
How those values were computed is described on our "Spectral sources and spectral integration method" page linked off our "Technical Documents" page (in case the direct link moves...)
A REALLY LOOONG time ago we processed MODIS as an "ocean subset". This did not include the non-ocean,non-1km bands.
When we added the capability to process the 250m and 500m bands, it was a "new" sensor - hmodisa. Then, after a while, we
made that the default. It took an even longer time to get rid of the split personality, but we eventually managed it and now there
is only one (well, two if you include Terra).
Powered by mwForum 2.29.7 © 1999-2015 Markus Wichitill