Search found 15 matches
- Thu Apr 02, 2020 7:00 am America/New_York
- Forum: Home
- Question: Surface and subsurface blooms in MODIS data
- Replies: 2
Surface and subsurface blooms in MODIS data
Dear allI am a user of OC-CCI data and also Chl-a data from MODIS in herehttps://oceancolor.gsfc.nasa.gov/cgi/browse.pl?sen=amod I have a question regarding these data;I think satellite imagery can capture the surface and subsurface blooms.So is it possible in these data also, to know how much...
- Wed Sep 26, 2018 6:49 am America/New_York
- Forum: Home
- Question: Phytoplankton functional type (PFD) models for Arctic area
- Replies: 1
Phytoplankton functional type (PFD) models for Arctic area
Dear all,I do not know my question is related to this forum or not; but if you answer me, I can be thankful.I am trying to detect any DMS producers in Arctic area and as I know there are some phytoplankton types that produce DMS (some of them less and some of them more).So, I need to know which phyt...
- Wed Sep 12, 2018 3:49 am America/New_York
- Forum: Home
- Question: Downloading long term chlorophyll a data
- Replies: 3
Downloading long term chlorophyll a data
Dear NormanThanks but I was downloading some data (without login in my account), then I received this error. Do you know why? Will be block, if I download more data? Actually I need long term data.ERROR: Connection Limit ExceededOceanColor Biology Processing Group (OBPG)Please limit automated downlo...
- Mon Sep 10, 2018 8:00 am America/New_York
- Forum: Home
- Question: Downloading long term chlorophyll a data
- Replies: 3
Downloading long term chlorophyll a data
Dear all,
I want to download ‘Agua MODIS cholorophyll a’, L3, https://oceancolor.gsfc.nasa.gov/cgi/l3 for long term data from 2012 to 2018. Do you know easiest way to do it?
Cheers,
Marjan
I want to download ‘Agua MODIS cholorophyll a’, L3, https://oceancolor.gsfc.nasa.gov/cgi/l3 for long term data from 2012 to 2018. Do you know easiest way to do it?
Cheers,
Marjan
- Mon Aug 13, 2018 7:46 am America/New_York
- Forum: Home
- Question: Extracting Cholorophyll a concentration for one station and 1000 km around of it
- Replies: 14
Extracting Cholorophyll a concentration for one station and 1000 km around of it
Dear Danny
I back again on this topic after conference now and tried to continue but I got a strange error.
I tried to open ‘A2018021.L3b_DAY_CHL.nc’ and used file...open but I got below error. Why?
‘No appratiate reader found………………………………..’
Marjan
I back again on this topic after conference now and tried to continue but I got a strange error.
I tried to open ‘A2018021.L3b_DAY_CHL.nc’ and used file...open but I got below error. Why?
‘No appratiate reader found………………………………..’
Marjan

- Sat Jul 21, 2018 7:01 am America/New_York
- Forum: Home
- Question: Extracting Cholorophyll a concentration for one station and 1000 km around of it
- Replies: 14
Extracting Cholorophyll a concentration for one station and 1000 km around of it
Dear @gnwiii1. OK. So, I should use l3mapgen for visualizing my result. Am I right?2. you mentioned that I can get not only the averages, but other useful statistics but when I use ‘l3bin’, there is not any option in it for chosing statistics like below items that you mentioned them (look at image1)...
- Fri Jul 20, 2018 4:03 pm America/New_York
- Forum: Home
- Question: Extracting Cholorophyll a concentration for one station and 1000 km around of it
- Replies: 14
Extracting Cholorophyll a concentration for one station and 1000 km around of it
Dear Dany,Yes. You are right.1. I runned it and I think it worked (you can see my steps in attachment_image1 to 4). Did I do averaging?2. I do not know why I can not open result and see it. I tried to open result (it is titled ‘average_weekly’ ) by using (file ----open) but I got this error (image4)...
- Thu Jul 19, 2018 1:56 pm America/New_York
- Forum: Home
- Question: Extracting Cholorophyll a concentration for one station and 1000 km around of it
- Replies: 14
Extracting Cholorophyll a concentration for one station and 1000 km around of it
Dear @Danny and @Norman and @gnwiiiThank you for suggestions. I read and watched most of them but still continuing….1. There are two cholorophyl concentration; one of them by ‘ocx’ algorithm and another one with ‘ocI’alrorithm and I do not know which one I should download?https://oceancolor.gsfc.nas...
- Tue Jul 10, 2018 9:28 am America/New_York
- Forum: Home
- Question: Extracting Cholorophyll a concentration for one station and 1000 km around of it
- Replies: 14
Extracting Cholorophyll a concentration for one station and 1000 km around of it
Thanks for your answer. What do you mean with the spatial and temporal scales? As I know I have to work with Level 2 data for retrieving cholorophyl for my ___location. Am I right? Or Shall I use another type of data? binned level-3 data?I did not know about OCSSW processing system. I only start workin...
- Tue Jul 10, 2018 8:22 am America/New_York
- Forum: Home
- Question: Detailed questions about level2 data
- Replies: 1
Detailed questions about level2 data
Dear all,I went through to one day of data (for example 15.01.2018). It has data that starts from 00:00:00 to 23:55:00 so it is one day.https://oceandata.sci.gsfc.nasa.gov/MODIS-Aqua/L2/2018/015/ Now I have some questions:1. How data are stored? I think every data file is 5 minutes. Am I right...