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HIRDLS/Aura Level 3 Extinction at 12.1 Microns 1deg Lat Zonal Fourier Coefficients V007 (H3ZFC12MEXT) at GES DISC

Metadata Updated: December 6, 2023

The "HIRDLS/Aura Level 3 Extinction at 12.1 Microns Zonal Fourier Coefficients" version 7 data product (H3ZFC12MEXT) contains the entire mission (~3 years) of HIRDLS data expressed as zonal Fourier coefficients in 1 degree latitude bands from -64 to 80 degrees at 121 pressure levels. The coefficients are computed from the HIRDLS Level 2 profiles with a Kalman filter approach using both forward and backward passes in time. Expressed as the mean and up to 7 sine and cosine coefficients (4 waves for ascending and descending, 7 waves for combined), these coefficients may be used to compute values at any longitude. The data are provided on a pressure grid with 24 levels per decade, corresponding to about 1 km vertical resolution. The useful vertical range of the data is 215 to 20 hPa. The precision values are given by the root-mean square of the differences between the estimated fields and the input data.

The data are stored in the version 5 Hierarchical Data Format for the Earth Observing System (HDF-EOS5), which is an extension of the HDF5 format. Each file contains a zonal object with data for the entire mission with separate data fields for ascending (daytime), descending (nighttime), and combined orbit node.

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


Metadata Created Date November 12, 2020
Metadata Updated Date December 6, 2023

Metadata Source

Harvested from NASA Data.json

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Additional Metadata

Resource Type Dataset
Metadata Created Date November 12, 2020
Metadata Updated Date December 6, 2023
Identifier C1251100759-GES_DISC
Data First Published 2013-05-31
Language en-US
Data Last Modified 2013-05-31
Category Aura, geospatial
Public Access Level public
Bureau Code 026:00
Metadata Context
Metadata Catalog ID
Schema Version
Catalog Describedby
Citation Gille, John and Gray, Lesley J.. 2013-08-19. H3ZFC12MEXT. Version 007. HIRDLS/Aura Level 3 Extinction at 12.1 Microns 1deg Lat Zonal Fourier Coefficients V007. Greenbelt, MD, USA. Archived by National Aeronautics and Space Administration, U.S. Government, Goddard Earth Sciences Data and Information Services Center (GES DISC). Digital Science Data.
Creator Gille, John and Gray, Lesley J.
Data Presentation Form Digital Science Data
Graphic Preview File
Harvest Object Id 80957587-d62a-47d8-9575-e513f079b5fa
Harvest Source Id 58f92550-7a01-4f00-b1b2-8dc953bd598f
Harvest Source Title NASA Data.json
Homepage URL
Metadata Type geospatial
Old Spatial -180.0 -64.0 180.0 80.0
Program Code 026:001
Release Place Greenbelt, MD, USA
Series Name H3ZFC12MEXT
Source Datajson Identifier True
Source Hash 79d0cf1720914ee000a320be5f1bc47565cf932632c028422df2b2e9594a8e06
Source Schema Version 1.1
Temporal 2005-01-22T00:00:00Z/2008-03-17T23:59:59.999Z

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