Search found 112 matches

by OB General Science - guoqingw
Mon Aug 28, 2023 10:24 am America/New_York
Forum: Home
Question: How to batch download anc file
Replies: 2

Re: How to batch download anc file

Hi, you can use the file search tool to search for ancillary data (https://oceandata.sci.gsfc.nasa.gov/api/file_search/), then batch downloading them.
by OB General Science - guoqingw
Mon Aug 21, 2023 2:07 pm America/New_York
Forum: Home
Question: NASA OceanColor Website Access
Replies: 4

Re: NASA OceanColor Website Access

Do you mind sharing your workplace IP? So the expert can check from our end.
You can send the information to systems@oceancolor.sci.gsfc.nasa.gov and webadmin@oceancolor.gsfc.nasa.gov. Thanks.
by OB General Science - guoqingw
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.
by OB General Science - guoqingw
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.
by OB General Science - guoqingw
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.
by OB General Science - guoqingw
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
by OB General Science - guoqingw
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.
by OB General Science - guoqingw
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/
by OB General Science - guoqingw
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.
by OB General Science - guoqingw
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...