Search found 5 matches

by samaneh94
Mon Apr 04, 2022 3:37 am America/New_York
Forum: Questions/Comments
Question: Problem with modis MOD04_L2, Depp_Blue_Spectral_Aerosol_Optical_Depth_Land
Replies: 1

Problem with modis MOD04_L2, Depp_Blue_Spectral_Aerosol_Optical_Depth_Land

Hello, I am trying to use MOD04_L2 data from MODIS. In the SDS part there is a variable named " Depp_Blue_Spectral_Aerosol_Optical_Depth_Land". I anticipated to see a variable with more than 3D (2D for longitude and latitude and more dimensions for different wavelengths). But when I downlo...
by samaneh94
Fri Jan 07, 2022 10:40 am America/New_York
Forum: Questions/Comments
Question: Problem in Downloading Aerosol Optical Depth Data and Ångstrom Exponent
Replies: 7

Re: Problem in Downloading Aerosol Optical Depth Data and Ångstrom Exponent

[quote=LAADS_UserServices_M post_id=10087 time=1641477699 user_id=88] Regarding: " each image has a different location in spite of that I defined the only Aral sea in the location section (step 3)" This is because search will pick all granules (complete 5-min swaths) which include your def...
by samaneh94
Thu Jan 06, 2022 7:04 am America/New_York
Forum: Questions/Comments
Question: Problem in Downloading Aerosol Optical Depth Data and Ångstrom Exponent
Replies: 7

Re: Problem in Downloading Aerosol Optical Depth Data and Ångstrom Exponent

[quote="GES DISC - jimacker" post_id=10082 time=1641396692 user_id=96] Question for the user: Have you considered aerosol data products from the Ozone Measuring Instrument (OMI)? OMI provides data in additional wavelengths. [/quote] many thanks for sharing your idea! Yes, I saw them on Gio...
by samaneh94
Wed Jan 05, 2022 7:49 am America/New_York
Forum: Questions/Comments
Question: Problem in Downloading Aerosol Optical Depth Data and Ångstrom Exponent
Replies: 7

Re: Problem in Downloading Aerosol Optical Depth Data and Ångstrom Exponent

Hello, thanks for your information. I tried that and some of the images were empty again but some of them weren't. the second group images were empty on the Aral Sea again (see the screenshot)!!!! each image has a different location in spite of that I defined the only Aral sea in the location sectio...
by samaneh94
Tue Jan 04, 2022 4:28 am America/New_York
Forum: Questions/Comments
Question: Problem in Downloading Aerosol Optical Depth Data and Ångstrom Exponent
Replies: 7

Problem in Downloading Aerosol Optical Depth Data and Ångstrom Exponent

Hello everyone; I have a problem downloading AOD data in different wavelengths and Angstrom exponent to have an evaluation of the aerosol type in the Aral Sea and the southeast coast of the Caspian Sea. at the first step, I tried MOD04_L2, MYD04_L2, MOD04_3k, and MYD04_3K for the mentioned region us...