Search found 110 matches
- Fri Aug 18, 2023 10:45 pm America/New_York
- Forum: Home
- Question: NASA OceanColor Website Access
- Replies: 4
Re: NASA OceanColor Website Access
Hello, is the issue persistent across various computers and under different internet environments (e.g. home or school internet)? We updated our website about a month ago. You may want to try clear your cache and reload the website again.
- Mon Jul 24, 2023 3:52 pm America/New_York
- Forum: Home
- Question: Relationship between various temporal PIC products
- Replies: 2
Re: Relationship between various temporal PIC products
Here is the technical report regarding our L3 binning scheme:
https://oceancolor.gsfc.nasa.gov/SeaWiFS/TECH_REPORTS/PreLPDF/PreLVol32.pdf
With the website updating, please let me know if the link fails.
https://oceancolor.gsfc.nasa.gov/SeaWiFS/TECH_REPORTS/PreLPDF/PreLVol32.pdf
With the website updating, please let me know if the link fails.
- Mon Jul 24, 2023 11:51 am America/New_York
- Forum: Home
- Question: CZCS bands to calculate FU index
- Replies: 4
Re: CZCS bands to calculate FU index
Hi Dionysia,
As Forel-Ule Index is not one of our products, I cannot make comments on it. My suggestion is reviewing more literatures on this topic.
As Forel-Ule Index is not one of our products, I cannot make comments on it. My suggestion is reviewing more literatures on this topic.
- Mon Jul 24, 2023 11:12 am America/New_York
- Forum: Home
- Question: Kd490 data VIIRS vs MODIS
- Replies: 7
Re: Kd490 data VIIRS vs MODIS
To add on to Sean and Alicia's replies. Here is the help page for data processors including "l3mapgen": https://seadas.gsfc.nasa.gov/help-8.3.0/processors/ProcessOverview.html
- Fri Jul 14, 2023 2:28 pm America/New_York
- Forum: Home
- Question: Ocean Color Browser not showing Sentinel images
- Replies: 7
Re: Ocean Color Browser not showing Sentinel images
Yes, if you take a close look at the file names, you will find the ones with "FR" are in full resolution and "RR" in reduced resolution.
- Mon Jul 10, 2023 3:10 pm America/New_York
- Forum: Home
- Question: Ocean Color Browser not showing Sentinel images
- Replies: 7
Re: Ocean Color Browser not showing Sentinel images
Sorry about that. We have noticed the issue. The team is in developing of a new L1/2 browser. Before the issue is resolved or the new browser published, you can access the data you want through direct data access: https://oceandata.sci.gsfc.nasa.gov/directdataaccess/Level-2/
- Mon Jul 10, 2023 10:46 am America/New_York
- Forum: Home
- Question: Land pixel definition in MODIS SST/ Chlorophyll level 3 data
- Replies: 1
Re: Land pixel definition in MODIS SST/ Chlorophyll level 3 data
Hi, not sure what you are trying to do, but here is the tech doc for the land/water mask: https://oceancolor.gsfc.nasa.gov/resources/docs/technical/odps_land_mask.pdf
Hope it helps.
Hope it helps.
- Wed May 31, 2023 3:36 pm America/New_York
- Forum: Home
- Question: Request for water leaving radiance and normalized water leaving radiance of particular region-MODIS aqua
- Replies: 1
Re: Request for water leaving radiance and normalized water leaving radiance of particular region-MODIS aqua
There are many ways to get the data you need. We provide reflectance, but it's not difficult to get normalized water-leaving radiance from reflectance. You can do search and download: https://oceancolor.gsfc.nasa.gov/data/download_methods/ For monthly and/annual mean, you can also use level 3/4 brow...
- Wed May 31, 2023 8:52 am America/New_York
- Forum: Home
- Question: l2gen algorithm - source code error
- Replies: 4
Re: l2gen algorithm - source code error
Lachlan is correct. chl1 is the chlorophyll estimated using CI algorithm (the parameters are from Hu et al. 2019) which performs better for low values. Here it was used to find the upper limit for the blending of CI and OCx algorithm to make sure low values are estimated using CI algorithm.
- Tue May 30, 2023 3:50 pm America/New_York
- Forum: Home
- Question: Interpretation of the Aqua-MODIS scene
- Replies: 1
Re: Interpretation of the Aqua-MODIS scene
Hi,
That is one of the magic pictures produced by one of our retired scientists.
Here is a thread that he answered questions similar to yours and more:
viewtopic.php?f=7&t=1237
Hope you find it helpful,
Guoqing
That is one of the magic pictures produced by one of our retired scientists.
Here is a thread that he answered questions similar to yours and more:
viewtopic.php?f=7&t=1237
Hope you find it helpful,
Guoqing