Search found 77 matches

by OB General Science - guoqingw
Thu May 18, 2023 12:47 pm America/New_York
Forum: Questions/Comments
Question: Chla-historical data
Replies: 1

Re: Chla-historical data

Hi Nabila,

Yes, we provide both in situ and satellite Chlorophyll-a data. Please let me know which one you are looking for. The methods to access them are a little bit different.

Guoqing
by OB General Science - guoqingw
Wed May 03, 2023 2:56 pm America/New_York
Forum: Questions/Comments
Question: Different value of MODIS Data
Replies: 1

Re: Different value of MODIS Data

Hello, The difference is a likely result. When you use the average of the whole region for the trend, the value is more likely to be consistent. But if you take a closer look at the region for a particular day, as what you do in the first figure, you'll see the data vary from coastal water to the se...
by OB General Science - guoqingw
Wed May 03, 2023 2:05 pm America/New_York
Forum: Questions/Comments
Question: Error downloading CyAN data through R httr::GET
Replies: 2

Re: Error downloading CyAN data through R httr::GET

Hello,

We recently fixed a data access issue. Please try again and let us know if the problem persists.
by OB General Science - guoqingw
Tue Mar 21, 2023 12:06 pm America/New_York
Forum: Questions/Comments
Question: Conversion of radiance to reflectance in MOBY data
Replies: 1

Re: Conversion of radiance to reflectance in MOBY data

Hi Masud,

I'm not very sure about NOAA data, but for the MOBY data provided through SeaBASS, here is a documentation with all the details: https://seabass.gsfc.nasa.gov/wiki/MOBY
Hope it helps.

Guoqing
by OB General Science - guoqingw
Fri Mar 17, 2023 12:42 pm America/New_York
Forum: Questions/Comments
Question: Pixel Raster Space on MODIS Aqua and Sentinel 2/3 for Coordinates
Replies: 2

Re: Pixel Raster Space on MODIS Aqua and Sentinel 2/3 for Coordinates

Hello, if you are using our products, our data are grid registered and the lat/lon values are the center of the pixel.
by OB General Science - guoqingw
Fri Mar 17, 2023 12:36 pm America/New_York
Forum: Questions/Comments
Question: subscription but without map and cannot subscribe to OCLI S3-B data
Replies: 4

Re: subscription but without map and cannot subscribe to OCLI S3-B data

So sorry for the delayed response. Our expert is looking into it.
by OB General Science - guoqingw
Fri Mar 17, 2023 12:26 pm America/New_York
Forum: Questions/Comments
Question: Aerosol correction is not working for Sentinel 2 MSI data
Replies: 5

Re: Aerosol correction is not working for Sentinel 2 MSI data

Hello,

Sorry for the delayed response. Have you tried again? Do you still have the same problem?
by OB General Science - guoqingw
Fri Mar 17, 2023 12:05 pm America/New_York
Forum: Questions/Comments
Question: Error in building OCSSW binaries; SeaDAS 8.2.0 Build from Source Code
Replies: 3

Re: Error in building OCSSW binaries; SeaDAS 8.2.0 Build from Source Code

Sorry for the delayed response. Do you still have the same problem?
by OB General Science - guoqingw
Thu Mar 16, 2023 11:43 pm America/New_York
Forum: Questions/Comments
Question: Zeu Lee AquaModis
Replies: 3

Re: Zeu Lee AquaModis

We stopped providing Zeu in the recent reprocessing R2022. If the data will be provided again, they will be level 4 data.