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MERRA-2 tavg1_2d_lnd_Nx: 2d,1-Hourly,Time-Averaged,Single-Level,Assimilation,Land Surface Diagnostics 0.625 x 0.5 degree V5.12.4 (M2T1NXLND) at GES DISC

Metadata Updated: March 13, 2024

M2T1NXLND (or tavg1_2d_lnd_Nx) is an hourly time-averaged 2-dimensional data collection in Modern-Era Retrospective analysis for Research and Applications version 2 (MERRA-2). This collection consists of land surface diagnostics, such as baseflow flux, runoff, surface soil wetness, root zone soil wetness, water at surface layer, water at root zone layer, and soil temperature at six layers. The data field is time-stamped with the central time of an hour starting from 00:30 UTC, e.g.: 00:30, 01:30, … , 23:30 UTC.

MERRA-2 is the latest version of global atmospheric reanalysis for the satellite era produced by NASA Global Modeling and Assimilation Office (GMAO) using the Goddard Earth Observing System Model (GEOS) version 5.12.4. The dataset covers the period of 1980-present with the latency of ~3 weeks after the end of a month.

Data Reprocessing: Please check “Records of MERRA-2 Data Reprocessing and Service Changes” linked from the “Documentation” tab on this page. Note that a reprocessed data filename is different from the original file.

MERRA-2 Mailing List: Sign up to receive information on reprocessing of data, changing of tools and services, as well as data announcements from GMAO. Contact the GES DISC Help Desk (gsfc-dl-help-disc@mail.nasa.gov) to be added to the list.

Questions: If you have a question, please read "MERRA-2 File Specification Document", “MERRA-2 Data Access – Quick Start Guide”, and FAQs linked from the ”Documentation” tab on this page. If that does not answer your question, you may email the question on data access to the GES DISC Help Desk (gsfc-dl-help-disc@mail.nasa.gov), or the question on science to the MERRA-2 science team (merra-questions@lists.nasa.gov).

Access & Use Information

Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

Downloads & Resources

References

https://doi.org/10.1175/JCLI-D-16-0758.1
https://doi.org/10.5194/gmd-8-1339-2015
https://doi.org/10.1175/JCLI-D-16-0609.1
https://doi.org/10.1175/JCLI-D-16-0613.1
https://doi.org/10.1175/JCLI-D-16-0570.1
https://doi.org/10.1175/JCLI-D-16-0720.1
https://doi.org/NASA/TM%E2%80%932015-104606/Vol.%2043
https://doi.org/10.1177/1094342005056120

Dates

Metadata Created Date November 12, 2020
Metadata Updated Date March 13, 2024

Metadata Source

Harvested from NASA Data.json

Graphic Preview

The GES-DISC Interactive Online Visualization ANd aNalysis Interface (Giovanni) is a web-based tool that allows users to interactively visualize and analyze data.

Additional Metadata

Resource Type Dataset
Metadata Created Date November 12, 2020
Metadata Updated Date March 13, 2024
Publisher NASA/GSFC/SED/ESD/GCDC/GESDISC
Maintainer
Identifier C1276812861-GES_DISC
Data First Published 2007-06-14
Language en-US
Data Last Modified 2015-07-07
Category MERRA-2, geospatial
Public Access Level public
Bureau Code 026:00
Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
Metadata Catalog ID https://data.nasa.gov/data.json
Schema Version https://project-open-data.cio.gov/v1.1/schema
Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
Citation Global Modeling and Assimilation Office (GMAO). 2015-06-30. M2T1NXLND. Version 5.12.4. MERRA-2 tavg1_2d_lnd_Nx: 2d,1-Hourly,Time-Averaged,Single-Level,Assimilation,Land Surface Diagnostics V5.12.4. Greenbelt, MD, USA. Archived by National Aeronautics and Space Administration, U.S. Government, Goddard Earth Sciences Data and Information Services Center (GES DISC). https://doi.org/10.5067/RKPHT8KC1Y1T. https://disc.gsfc.nasa.gov/datacollection/M2T1NXLND_5.12.4.html. Digital Science Data.
Creator Global Modeling and Assimilation Office (GMAO)
Data Presentation Form Digital Science Data
Graphic Preview Description The GES-DISC Interactive Online Visualization ANd aNalysis Interface (Giovanni) is a web-based tool that allows users to interactively visualize and analyze data.
Graphic Preview File https://giovanni.gsfc.nasa.gov/giovanni/#dataKeyword=M2T1NXLND
Harvest Object Id 0ed22e22-35f9-4717-9a84-a38ff5e322d2
Harvest Source Id 58f92550-7a01-4f00-b1b2-8dc953bd598f
Harvest Source Title NASA Data.json
Homepage URL https://doi.org/10.5067/RKPHT8KC1Y1T
Metadata Type geospatial
Old Spatial -180.0 -90.0 180.0 90.0
Program Code 026:001
Related Documents https://doi.org/10.1175/JCLI-D-16-0758.1, https://doi.org/10.5194/gmd-8-1339-2015, https://doi.org/10.1175/JCLI-D-16-0609.1, https://doi.org/10.1175/JCLI-D-16-0613.1, https://doi.org/10.1175/JCLI-D-16-0570.1, https://doi.org/10.1175/JCLI-D-16-0720.1, https://doi.org/NASA/TM%E2%80%932015-104606/Vol.%2043, https://doi.org/10.1177/1094342005056120
Release Place Greenbelt, MD, USA
Series Name M2T1NXLND
Source Datajson Identifier True
Source Hash 76616dca25bd5c6b0dd634ccea349adc00db40a7b5e8410cadbf6f5a84d78a6d
Source Schema Version 1.1
Spatial
Temporal 1980-01-01T00:00:00Z/2022-01-17T00:00:00Z

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