1. You may search data from our homepage.

2.Or you may click "DATA"→"DOWNLOAD" and open the "Data Download" page.

3.In the "Data Download" page, you may choose the data/product and set time and/or spatial range.

4. Or you may click "DATA" →"OVERVIEW" and open the "Data View" page.

5. In the "Data View" page, you may choose the data/product and set time and/or spatial range.

6. The search result of the "Data Download" or "Data View" page would be shown as a list of matched files.

7. You may click the files from the list to see their detailed information and quick view.

8. You may choose the files you need from the list and click "Add to Cart".

9. In your "Cart" you may have a look at the chosen files by clicking "Edit Cart".

10. In your "Cart" you may make an order to download the chosen files by clicking "Next".

11. You may view the status of your orders. Once the order is ready to be downloaded, you will see the "Download" button.