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Thank you for the reply.:smile:

Hi Every one, I could see the DOI and citation format for different ocean color sensors in https://oceancolor.gsfc.nasa.gov, except met ancillary data.Can some body help me how to cite / Acknowledge "met ancillary data"Thanks in advanceIVGB

Hi Every one,Doubt regarding ancillary data to improve the ocean color data quality , I could see many sources for meteorological and gases ancillary data in OCEAN COLOR WEB, mainly NCEP, NCEP-R2, GMAO-MERRA.Is there any literature about which ancillary data source is the best one, out of the above ...

Thanks Aynur, I've checked every option from my side. Its working now.
Band name (Variable name)  in hdf4 is showing two different names for my product. L_xxx in hdp dumpsds , Lt_xxx in seadas GUI. That only made error.
When I use -Pband=Lt_443 i got statistics.

Thanks for your time and support.

Thanks AynurI could get statistics using shape file. My second question is  Is it possible to find specifically mean for one band ?. I don't want to print other parameters like region, band, max_error, maximum etc.And one more thing I want to know.this gpt StatisticsOP will work only for fe...

Hi every one,I am trying to use GPT tool to generate statistics. I could generate statistics like below for entire input file.# Region  Band  average  max_error  maximum  median  minimum  p90_threshold  p95_threshold  sigma  totalworld  chl_oc2&...

Thank you for valuable time Sean,
Updated l2gen version (l2gen 9.5.0-V2019.3) , now it's working.

Thanks for the reply
When i run
$shasum N201827507_MERRA2_1h.nc
yes, I got the below
cb9a4c0009d7694df1ecb3a9065c15c6012539c2  N201827507_MERRA2_1h.nc

Looking forward for your reply

Greetings to all,I want to understand the diffuse transmittance equation properly mentioned in most of ocean color literature, attached screenshot. why we are dividing rayleigh optical thickness with 2 but not aerosol optical thickness and Ozone optical thickness.I am not sure , i can ask these kind...

Thank you for your reply,I tried the below commandl2gen ifile=O2_02OCT2018_010_014_LAP_L1B_ST_S.hdf ofile=O2_02OCT2018_010_014_LAP_L2_ST_S.hdf oformat=hdf4 met1=N201827507_MERRA2_1h.nc met2=N201827507_MERRA2_1h.nc met3=N201827507_MERRA2_1h.ncI got the following errorOpening meteorological files....