Search found 110 matches

by OB General Science - guoqingw
Thu Sep 19, 2024 11:56 pm America/New_York
Forum: Home
Question: Error downloading data
Replies: 2

Re: Error downloading data

Hello Jean,

The team has resolved the issue. Please try again, and let us know if the problem persists.

Guoqing
by OB General Science - guoqingw
Thu Sep 19, 2024 4:41 pm America/New_York
Forum: Home
Question: binned vs mapped type
Replies: 1

Re: binned vs mapped type

Regarding the different formats of L3 data we provide, you can find detailed information on this webpage:
https://oceancolor.gsfc.nasa.gov/resources/docs/format/
by OB General Science - guoqingw
Wed Sep 18, 2024 4:39 pm America/New_York
Forum: Home
Question: chlorophyll downloaded
Replies: 1

Re: chlorophyll downloaded

Hello,

Can you share the wget command you used to download the files?
by OB General Science - guoqingw
Wed Sep 18, 2024 4:36 pm America/New_York
Forum: Home
Question: Missing time variable in netcdf files
Replies: 1

Re: Missing time variable in netcdf files

Hello, As indicated in your variable output, the following variables are present: 'time_coverage_start': '2000-02-25T21:10:01.000Z', 'time_coverage_end': '2000-02-26T23:49:59.000Z' These represent the start and end dates and times for this L3 Chlorophyll-a (Chla) map. Since the L3 Chla map is a merg...
by OB General Science - guoqingw
Wed Sep 18, 2024 12:20 pm America/New_York
Forum: Home
Question: Can't log into my subscription. 616 Is there a problem?
Replies: 1

Re: Can't log into my subscription. 616 Is there a problem?

Hello,

Could you please confirm if this issue is still occurring?

Thanks,
Guoqing
by OB General Science - guoqingw
Wed Sep 18, 2024 11:25 am America/New_York
Forum: Home
Question: Can OCSSW tool be used for radiometric calibration?
Replies: 3

Re: Can OCSSW tool be used for radiometric calibration?

I think you are referring to the L1bgen. Here is the link to the help page: https://seadas.gsfc.nasa.gov/help-9.0.0/processors/ProcessL1bgen_generic.html

Let us know if this helps.
by OB General Science - guoqingw
Tue Sep 10, 2024 5:14 pm America/New_York
Forum: Home
Question: MODIS-aqua L2 PIC R2022.0 validation
Replies: 1

Re: MODIS-aqua L2 PIC R2022.0 validation

1) Satellite measurements are averages taken from a 5×5 pixel box centered around the location of the in situ measurement. You can find more details here: https://seabass.gsfc.nasa.gov/wiki/validation_description 2) For PIC, you can refer to the ATBD and the corresponding references for details: htt...
by OB General Science - guoqingw
Tue Aug 13, 2024 11:31 pm America/New_York
Forum: Home
Question: phycocyanin data
Replies: 2

Re: phycocyanin data

Adding to Chris's reply, there are several different sets of pure water absorption coefficients from lab measurements. It appears the authors didn’t cite the corresponding article in that publication. The best way to obtain the exact same data is by contacting the authors. However, the coefficients ...
by OB General Science - guoqingw
Thu Aug 08, 2024 12:40 am America/New_York
Forum: Home
Question: Converting SWOT KaRIn Low Rate Sea Surface Height Products to GeoTIFF
Replies: 3

Re: Converting SWOT KaRIn Low Rate Sea Surface Height Products to GeoTIFF

Hello,

I believe the PODAAC team can provide a thorough answer to your question. Please replace #OBDAAC with #PODAAC.

Thank you!
by OB General Science - guoqingw
Thu Aug 08, 2024 12:01 am America/New_York
Forum: Home
Question: Missing Data
Replies: 2

Re: Missing Data

Sun glint during the summer months is another reason for the missing data in MODIS products over the Arabian Sea.