Imaging · collection · 2015

MERRA-2 const_2d_asm_Nx: 2d, constants 0.625 x 0.5 degree V5.12.4 (M2C0NXASM)

Listed in NASA Earthdata CMR and NASA Data Portal — shown once because both records carry DOI 10.5067/me5qx6q5iggu

M2C0NXASM (or const_2d_asm_Nx) is a data collection in Modern-Era Retrospective analysis for Research and Applications version 2 (MERRA-2).

Description

This collection consists of 2-dimensional constant model parameters, such as the fraction of lake, land, and ocean within a model grid cell. 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.

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.

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If that does not answer your question, you may post your question to the NASA Earthdata Forum (forum.earthdata.nasa.gov) or email the GES DISC Help Desk (gsfc-dl-help-disc@mail.nasa.gov).

Topics

Stated by source: Geopotential Height · NOT APPLICABLE · Sea Surface Topography · The second Modern-Era Retrospective analysis for Research and Applications
From keywords: Astronomy & Astrophysics · Earth & Environmental Science · Ocean & Atmospheric Science · Physics
Inferred from text: Geophysics 71%

Provenance · 2 source records, 19 field assertions

Source	Key	Last seen	Raw
NASA Earthdata CMR	C1276812819-GES_DISC	12 d ago	JSON v1
NASA Data Portal	269886ad-8367-477c-9979-8f2d84314918	9 d ago	JSON v1

Field	Assertion	Extractor	Evidence
access_level	source · NASA CMR	connector:nasa_cmr@1.0.0
concepts[field].anzsrc:group:3706	enrichment · NASA CMR	taxonomy-embedding@1.0.0	title+keywords+description (71%)
concepts[field].local:field:astronomy	mapping · data nasa gov	connector:data_nasa_gov@1.0.0
concepts[field].local:field:earth-environmental	mapping · data nasa gov	connector:data_nasa_gov@1.0.0
concepts[field].local:field:ocean-atmospheric	mapping · data nasa gov	connector:data_nasa_gov@1.0.0
concepts[field].local:field:physics	mapping · data nasa gov	connector:data_nasa_gov@1.0.0
concepts[instrument].gcmd_instrument:not-applicable	source · NASA CMR	connector:nasa_cmr@1.0.0
concepts[measured_variable].gcmd:earth-science/atmosphere/altitude/geopotential-height	source · NASA CMR	connector:nasa_cmr@1.0.0
concepts[measured_variable].gcmd:earth-science/oceans/sea-surface-topography	source · NASA CMR	connector:nasa_cmr@1.0.0
concepts[platform].gcmd_platform:merra-2	source · NASA CMR	connector:nasa_cmr@1.0.0
created_date	source · NASA CMR	connector:nasa_cmr@1.0.0
description	source · NASA CMR	connector:nasa_cmr@1.0.0	/umm/Abstract
license_text	source · NASA CMR	connector:nasa_cmr@1.0.0
publication_date	source · NASA CMR	connector:nasa_cmr@1.0.0
spatial	source · NASA CMR	connector:nasa_cmr@1.0.0	/umm/SpatialExtent
temporal	source · NASA CMR	connector:nasa_cmr@1.0.0	/umm/TemporalExtents
title	source · NASA CMR	connector:nasa_cmr@1.0.0	/umm/EntryTitle
updated_date	source · NASA CMR	connector:nasa_cmr@1.0.0
version_label	source · NASA CMR	connector:nasa_cmr@1.0.0

MERRA-2 const_2d_asm_Nx: 2d, constants 0.625 x 0.5 degree V5.12.4 (M2C0NXASM)

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