Search found 30 matches

by antu
Wed Aug 09, 2017 2:25 am America/New_York
Forum: All Questions/Comments
Question: How to calculate percentile amount of a range chl value
Replies: 7

How to calculate percentile amount of a range chl value

Thanks Daniel Knowles, for your elaborate answer. It works.I also appreciate you for your brief video tutorials and webinar.:smile:  I have another problem i.e, Can you tell me about no data layer ? Why there is data missing and show NaN value of chl-a within the water area? If you give me a el...
by antu
Sat Aug 05, 2017 1:13 pm America/New_York
Forum: All Questions/Comments
Question: How to calculate percentile amount of a range chl value
Replies: 7

How to calculate percentile amount of a range chl value

Hello experts,I am dealing with level-3 mapped monthly average chlorophyll value. I want to find the percentage of a range vlue in the study area. Let me explain, There are diverse amount of value exist in the image. Assume that I make some ranges of chlorophyll concentration like (0.1-0.99) , (1-1....
by antu
Sat Aug 05, 2017 12:38 pm America/New_York
Forum: All Questions/Comments
Question: Can't Add bathymetry and elevation bands and masks
Replies: 6

Can't Add bathymetry and elevation bands and masks

Thanks SeanBailey, knowles and gnwiii. You peoples are awasome.
by antu
Wed Aug 02, 2017 6:42 am America/New_York
Forum: All Questions/Comments
Question: Can't Add bathymetry and elevation bands and masks
Replies: 6

Can't Add bathymetry and elevation bands and masks

Hello gnwiii,Thanks for your reply. I basically want to calculate chl-a concentration from 0 to 250m depth. So, i want to create  a bathymetry band and mask thats why I can statistical analysis of chl-a concentration (0-250m) depth water.In contour, It gives line for a range of chl-a value.If i...
by antu
Tue Aug 01, 2017 1:06 am America/New_York
Forum: All Questions/Comments
Question: Can't Add bathymetry and elevation bands and masks
Replies: 6

Can't Add bathymetry and elevation bands and masks

Hello experts,I want to find the chlorophyll data at several depth. For that reason, I am trying to "add bathymetry and elevation bands and masks" in windows. I tried it both 9 km and 4 km product and also use "coastline and land mask " and " bathymetry and elevation bands a...
by antu
Tue Jul 25, 2017 6:04 am America/New_York
Forum: All Questions/Comments
Question: MODIS aqua level 3 chl-a data processing
Replies: 10

MODIS aqua level 3 chl-a data processing

Hello gnwiii,
Again thanks for your reliable suggestion. I will try both seaDAS and SNAP. I previously tried giovanni, but cant find monthly average level-3 mapped chlorophyll concentration data. Do you have the link ?
by antu
Mon Jul 24, 2017 1:34 pm America/New_York
Forum: All Questions/Comments
Question: MODIS aqua level 3 chl-a data processing
Replies: 10

MODIS aqua level 3 chl-a data processing

Hello gnwiii, Thank for you suggestion. Your full and elaborate suggestion quiet appreciable to me. According to your suggestion, I noticed that the features of SNAP and seaDAS are same to me ( after watching tutorial of SNAP). What types of facilities I can get more in SNAP ?You also said about Gio...
by antu
Mon Jul 24, 2017 1:08 pm America/New_York
Forum: All Questions/Comments
Question: MODIS aqua level 3 chl-a data processing
Replies: 10

MODIS aqua level 3 chl-a data processing

Hello Sean,thanks for your response , your reply really help me a lot. I forget that level-3 was already processed data. By the way, i have analyzed the data and make a output like that picture.. But now I need to add the country border line of Bangladesh behind the coastline. do you have any idea h...
by antu
Mon Jul 24, 2017 12:57 pm America/New_York
Forum: All Questions/Comments
Question: MODIS aqua level 3 chl-a data processing
Replies: 10

MODIS aqua level 3 chl-a data processing

Hello amscott,
Thanks for your response. In linux, there is problem in installing seadas. virtual machine and osgeo-live-10.5-vm is used here. Should i choose manual installation ?
by antu
Tue Jul 18, 2017 3:30 pm America/New_York
Forum: All Questions/Comments
Question: MODIS aqua level 3 chl-a data processing
Replies: 10

MODIS aqua level 3 chl-a data processing

Hello Everyone,I am new here and also new in this field. I want to find the “Seasonal variability chl-a concentration of Bay of Bengal”. I have already downloaded “MODIS aqua level-3 SMI 4 km monthly average “data.My question is how I can process and analyze the image (nc file). At first, I was curi...