spase-metadata.org SPASE landing pages.

Data Access

TIMED GUVI L3 Thermospheric O/N2

Christensen, Andrew B. (2025). TIMED GUVI L3 Thermospheric O/N2 [Data set]. Johns Hopkins University Applied Physics Laboratory. https://doi.org/10.48322/nvfx-3509 .

Note: Proper references, including those in BibTex or other formats , should include the "Accessed on date" as shown above to identify the version of the resource being cited in a given publication.

ResourceID
spase://NASA/NumericalData/TIMED/GUVI/L3_Thermospheric_O-N2

Description

Daily maps of the thermospheric column number density ratio of O and N2 referenced at N2 column number density level of 10e17 cm-2.

View XML | View JSON | Edit

Details

Version:2.7.1

MetadataRightsList

Rights
SchemeURI
https://spdx.org/licenses/
RightsIdentifierScheme
SPDX
RightsIdentifier
CC0-1.0
RightsURI
https://spdx.org/licenses/CC0-1.0.html
RightsName
Creative Commons Zero v1.0 Universal
Note
CC0 1.0 Universal is the Creative Commons license applicable to all publicly available SPASE metadata descriptions

Version:2.7.1

NumericalData

ResourceID
spase://NASA/NumericalData/TIMED/GUVI/L3_Thermospheric_O-N2
NamingAuthority
NASA
ResourceType
NumericalData
ResourceHeader
ResourceName
TIMED GUVI L3 Thermospheric O/N2
DOI
https://doi.org/10.48322/nvfx-3509
ReleaseDate
2026-02-16 14:46:12Z
RevisionHistory
RevisionEvent
ReleaseDate
2020-07-07 21:15:38Z
Note
Only known prior ReleaseDate of the metadata
RevisionEvent
ReleaseDate
2025-11-14 16:01:51Z
Note
Added PublicationInfo. Added ResourceType and NamingAuthority. Changed http to https in top-level schemaLocation attribute. Fixed version number separator in top-level schemaLocation attribute. Matched version number in schemaLocation attribute to updated value in Version tag. ZCB
RevisionEvent
ReleaseDate
2025-12-04 13:32:04Z
Note
Added MetadataRightsList. Updated to 2.7.1. ZCB
RevisionEvent
ReleaseDate
2026-02-16 14:46:12Z
Note
Added DOI. TLK
Description

Daily maps of the thermospheric column number density ratio of O and N2 referenced at N2 column number density level of 10e17 cm-2.

Acknowledgement
NASA, Andrew B. Christensen
PublicationInfo
Authors
Christensen, Andrew B.
PublicationDate
2025-11-14 16:01:51Z
PublishedBy
Johns Hopkins University Applied Physics Laboratory
Contacts
Role Person StartDate StopDate Note
1. PrincipalInvestigator spase://SMWG/Person/Andrew.B.Christensen
InformationURL
Name
O/N2 Data Information
URL
http://guvitimed.jhuapl.edu/data_on2_info
PriorIDs
spase://VITMO/NumericalData/TIMED/GUVI/L3_Thermospheric_O-N2
spase://VSPO/NumericalData/TIMED/GUVI/L3_Thermospheric_O-N2
AccessInformation
RepositoryID
spase://SMWG/Repository/TIMED/GUVI_POC
Availability
Online
AccessRights
Open
AccessURL
Name
GUVI POC L3 Thermospheric O/N2 (IDLsave) Data Request
URL
http://guvitimed.jhuapl.edu/data_fetch_l3_on2_idlsave
Description

This web page allows the request of data files for this product. To request data: select the year and day then press display.

Format
IDL
Encoding
None
Acknowledgement
NASA, Andrew B. Christensen
ProcessingLevel
Calibrated
ProviderResourceName
GUVI L3 Thermospheric O/N2
ProviderProcessingLevel
Level 3
ProviderVersion
001
InstrumentIDs
spase://SMWG/Instrument/TIMED/GUVI
MeasurementType
Profile
TemporalDescription
TimeSpan
StartDate
2002-01-07 00:00:00.000Z
RelativeStopDate
P14D
ObservedRegion
Earth.NearSurface.Thermosphere
Keywords
TIMED
GUVI
lower thermosphere
MLTI
Parameter #1
Name
Thermospheric O/N2 Data
ParameterKey
O/N2 ratio
Description

The thermospheric column number density ratio of O and N2.

Units
unitless
Particle
ParticleType
Molecule
Qualifier
Ratio
ParticleQuantity
NumberDensity