wget download from NASA Earthdata

Author

AJ Smit

Navigate to NASA’s EARTHDATA and follow the Find Data link:

Figure 1: Navigate to the Find Data link.

Figure 1: Navigate to the Find Data link.

If you have not already registered, select Register.

Scroll down a bit on the page you landed on when you selected Find Data, and select the Earthdata Search link:

Figure 2: Go to the Earthdata Search page.

Figure 2: Go to the Earthdata Search page.

On the search page, enter a keyword for the data product you are interested in downloading (① — I searched for ‘chlorophyll’), select the processing levels of interest (②), and scroll down to the data product you want (③ – here I select “Aqua MODIS Global Mapped Chlorophyll (CHL) Data, version R2022.0”):

Figure 3: Select the data product of interest by entering keywords and selecting from amongst various filter options.

Figure 3: Select the data product of interest by entering keywords and selecting from amongst various filter options.

Selecting Option ③ in Figure 3 takes you to Figure 4. Here you will notice one file for each day in the observational period; as you can see, there are 19,782 ‘granules’ (as per 15 June 2023). There is an option to download each day using the

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Citation

BibTeX citation:
@online{smit,_a._j.,
  author = {Smit, A. J., and Smit, AJ},
  title = {Wget Download from {NASA} {Earthdata}},
  url = {http://tangledbank.netlify.app/vignettes/download_earthdata.html},
  langid = {en}
}
For attribution, please cite this work as:
Smit, A. J., Smit A wget download from NASA Earthdata. http://tangledbank.netlify.app/vignettes/download_earthdata.html.