Search found 12 matches

by GES DISC - jschaperow
Mon Dec 08, 2025 4:12 pm America/New_York
Forum: Home
Question: computing monthly average from daily output
Replies: 2

Re: computing monthly average from daily output

Computing monthly averages from a large dataset poses challenges - but GES DISC has several tools to help make this as easy (and computationally efficient) as possible. I would recommend using the OPeNDAP in the Cloud Service , which allows you to subset a dataset on a remote server, so you avoid ha...
by GES DISC - jschaperow
Fri Dec 05, 2025 2:44 pm America/New_York
Forum: Home
Question: Missing Granules in GLDAS_NOAH025_3H
Replies: 4

Re: Missing Granules in GLDAS_NOAH025_3H

Yesterday morning, there was another outage, but we are back up and running now.
by GES DISC - jschaperow
Wed Dec 03, 2025 3:13 pm America/New_York
Forum: Home
Question: Missing Granules in GLDAS_NOAH025_3H
Replies: 4

Re: Missing Granules in GLDAS_NOAH025_3H

Hello elafritz We had a problem with the Common Metadata Repository (CMR), our metadata cataloging system, this past weekend that disrupted the ability of Earthdata Search to find granules. The bug has been resolved as of this afternoon, so you should see 2920 granules per (non-leap) year again. Let...
by GES DISC - jschaperow
Wed Dec 03, 2025 3:06 pm America/New_York
Forum: Home
Question: Earth Data Search Downloan
Replies: 1

Re: Earth Data Search Downloan

Hello Manuela, We had a problem with the Common Metadata Repository (CMR), our metadata cataloging system, this past weekend that disrupted Earthdata Search's ability to find granules. The bug has been resolved as of this afternoon, so you should be able to download granules again. Let us know if yo...
by GES DISC - jschaperow
Thu May 08, 2025 11:11 am America/New_York
Forum: Home
Question: How to download NLDAS Primary forcing data for one variable in specific region
Replies: 4

Re: How to download NLDAS Primary forcing data for one variable in specific region

I am not sure why you are getting ~2000 files. If you are trying to download three years of hourly data, that means there should be 3*365*24 = 26280 individual NetCDF files, each with one timestep. Of course, downloading and processing ~26000 files to get a timeseries at one location is not very eff...
by GES DISC - jschaperow
Thu May 01, 2025 2:49 pm America/New_York
Forum: Home
Question: GLDAS surface water component derivation
Replies: 7

Re: GLDAS surface water component derivation

The GLDAS data do not quantify the amount of river, lake, and reservoir storage. You will likely want to consider another data source. If you wanted to take a model-based approach, you could use a model that explicitly represents river, lake, and reservoir storage (perhaps you could force the model ...
by GES DISC - jschaperow
Thu May 01, 2025 12:32 pm America/New_York
Forum: Home
Question: Downloading NLDAS Primary Forcing Data L4 Hourly
Replies: 6

Re: Downloading NLDAS Primary Forcing Data L4 Hourly

If you have a list of links, you can download them straight into R using the httr or curl R packages. You may also be interested in the earthdatalogin package here: https://cran.r-project.org/web/packages/earthdatalogin/index.html. If you need a reference for how to manipulate NetCDF files in R, thi...
by GES DISC - jschaperow
Tue Apr 29, 2025 3:08 pm America/New_York
Forum: Home
Question: How to download NLDAS Primary forcing data for one variable in specific region
Replies: 4

Re: How to download NLDAS Primary forcing data for one variable in specific region

Hi Janette, I will try to address each of your questions. 1. Long list of download links Which tutorial are you following? There is a "Download Instructions" button that appears upon getting the list of URLs from the subsetting tool. The next step is to use this list of URLs to download al...
by GES DISC - jschaperow
Thu Apr 24, 2025 11:28 am America/New_York
Forum: Home
Question: Support for NetCDF Forcing Files in LIS Simulation – NLDAS-2 Compatibility Issue
Replies: 1

Re: Support for NetCDF Forcing Files in LIS Simulation – NLDAS-2 Compatibility Issue

The NLDAS-2 v002 GRIB-1 data are no longer archived at GES DISC. We updated to NLDAS-2 v2.0, which are the same data but converted to NetCDF format. Please refer to https://disc.gsfc.nasa.gov/datasets/NLDAS_FORA0125_H_2.0/summary. If you need GRIB-1 format for compatibility with the older version of...
by GES DISC - jschaperow
Fri Apr 04, 2025 9:08 am America/New_York
Forum: Home
Question: Snow Water Equivalent (SWE) Dataset
Replies: 1

Re: Snow Water Equivalent (SWE) Dataset

Hi Shani, You can use the variable SWE_inst ("snow depth water equivalent") from GLDAS NOAH 2.0. You can see a list of GLDAS outputs in the README file for the GLDAS data products, which can be found on each of our GLDAS data collection landing pages at GES DISC, e.g. here: https://disc.gs...