Data Download

This section allows you to download and merge GLDAS data

Step 1: Prepare Download Links from NASA GLDAS

• Access GLDAS Portal:

  • Go to NASA GLDAS Dataset Page.

• Select Your GLDAS Model:

  • Choose a model (e.g., GLDAS_NOAH025_M for 0.25° monthly data)

• Subset Data:

  • Click "Subset/Get Data" → Set your date range.

  • Select variables (or default: all).

  • Click "Get Data".

• Export Download Links:

  • Click "Download Links list" to save the links in txt file

Step 2: Obtain NASA Earthdata Token

• Login/Register:

  • Go to NASA Earthdata Login.

  • New users: Click "Register".

• Generate Token:

  • Click your username (top right) → "Generate Token".

  • Confirm "Generate Token" again.

  • Copy the token

Step 3: Download Data in WATcycle

• Open WATcycle → Select "Data Download" section.

• Upload Files:

  • Links File: Upload GLDAS_links.txt.

  • Paste Token: Enter your NASA Earthdata token.

• Start Download:

  • Click "Download & Merge".

  • Click "Download Merged NetCDF".