MODIS level 2 high resolution AOD data is required for study of temporal characteristics of aerosol over a study location. I need help for get the required data (form where? and how?)
Dear Amol.....you may download it from..... https://ladsweb.modaps.eosdis.nasa.gov/search/
further make the selection of Sensor, Time, Location and then proceed for order.
good luck!
You can use MCTK (https://github.com/dawhite/MCTK/releases) to reproject MOD04/MYD04_3K data into projected coordinates (UTM/Geographic) after downloding from LAADS Web and then can extract time series data for a specific location.
You need to download the MOD04_3K (MODIS Terra) and MYD04_3K (MODIS Aqua) data products. You can download the same from Earthdata website of NASA (after logging in with your registered credentials):
https://search.earthdata.nasa.gov/search?q=MOD04_3K
https://search.earthdata.nasa.gov/search?q=MYD04_3K
Once you place the order, you will receive an email with downloading instructions when the order is ready. Just download through FTP (e.g., FileZilla). These downloaded files in HDF format. So, you need to write your own code to extract the requisite parameters as per your research needs. Here are some of the links for sample codes in Matlab / Python / IDL:
https://hdfeos.org/zoo/index_openLAADS_Examples.php#MODIS
Amol Kolhe
The level 2 AOT data at 3 KM resolution can be obtained from NASA LAADS Portal (https://ladsweb.modaps.eosdis.nasa.gov/) which provides Terra (MOD04_3K) and Aqua(MYD04_3K) products globally. Kindly note that these products come in HDF format and you need to extract data at your location of interest using tools such as Python, MATLAB, IDL, etc.
The readily available python scripts can be downloaded from https://arset.gsfc.nasa.gov/airquality/python-scripts-aerosol-data-sets-merra-modis-and-omi
Once you extract the data for the required location you can create your own time series plots.
I hope this helps... All the best.
Please follow the steps to download the MODIS aerosol data. In the search section, search for the following MOD04_3K (MODIS Terra) and MYD04_3K (MODIS Aqua) data products.
The below steps are for MYD04_L2(which has a resolution of 10km and 5min swath) but the download steps are similar
Hope this helps
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