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Imaging · collection · 2026

Impacts of Permafrost Degradation on Nitrous Oxide Emissions

Listed in NASA Earthdata CMR and NASA Data Portal — shown once because both records carry DOI 10.3334/ornldaac/2510

This dataset contains process-based model simulations of nitrous oxide (N2O) emissions and production from natural terrestrial ecosystems across northern high latitudes under baseline and permafrost-thaw conditions.

Description

Simulations cover northern high-latitude terrestrial ecosystems from 1969 to 2019 at a spatial resolution of 0.5-degree x 0.5-degree. Annual gridded outputs are reported in units of mg N m-2 yr-1.

The dataset was generated using the Terrestrial Ecosystem Model (TEM), a process-based biogeochemical model that explicitly represents terrestrial carbon and nitrogen cycling and incorporates permafrost-related processes. Two simulation scenarios are included: a baseline simulation and a permafrost-thaw simulation. For each scenario, annual gridded outputs include summed N2O net emissions and summed N2O production.

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The dataset provides information on the spatial and temporal patterns of N2O responses to permafrost degradation and can support studies of nitrogen cycling, ecosystem-climate interactions, climate feedbacks, and model intercomparison analyses. The data are provided in comma-separated values (CSV) format.

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Catalogue records · 3

Topics

Provenance · 2 source records, 23 field assertions
SourceKeyLast seenRaw
NASA Earthdata CMRC4266297305-ORNL_CLOUD7 d agoJSON v1
NASA Data Portalac01c95b-f968-41c8-bea9-945ed0ef31a84 d agoJSON v1
FieldAssertionExtractorEvidence
access_levelsource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[field].anzsrc:field:370203enrichment · NASA CMRtaxonomy-embedding@1.0.0title+keywords+description (76%)
concepts[field].local:field:astronomymapping · data nasa govconnector:data_nasa_gov@1.0.0
concepts[field].local:field:chemistrymapping · data nasa govconnector:data_nasa_gov@1.0.0
concepts[field].local:field:earth-environmentalmapping · data nasa govconnector:data_nasa_gov@1.0.0
concepts[field].local:field:ocean-atmosphericmapping · data nasa govconnector:data_nasa_gov@1.0.0
concepts[field].local:field:physicsmapping · data nasa govconnector:data_nasa_gov@1.0.0
concepts[instrument].gcmd_instrument:computersource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[measured_variable].gcmd:earth-science/atmosphere/atmosphere-surface-interactions/greenhouse-gas-fluxsource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[measured_variable].gcmd:earth-science/atmosphere/atmospheric-chemistry/nitrogen-compounds/nitrous-oxidesource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[measured_variable].gcmd:earth-science/land-surface/soils/permafrostsource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[measured_variable].gcmd:earth-science/terrestrial-hydrosphere/snow-ice/permafrostsource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[method].local:method:simulationenrichment · NASA CMRkeyword-concept-rules@1.0.0title+description (75%)
concepts[platform].gcmd_platform:modelssource · NASA CMRconnector:nasa_cmr@1.0.0
created_datesource · NASA CMRconnector:nasa_cmr@1.0.0
descriptionsource · NASA CMRconnector:nasa_cmr@1.0.0/umm/Abstract
license_textsource · data nasa govconnector:data_nasa_gov@1.0.0
publication_datesource · NASA CMRconnector:nasa_cmr@1.0.0
spatialsource · NASA CMRconnector:nasa_cmr@1.0.0/umm/SpatialExtent
temporalsource · NASA CMRconnector:nasa_cmr@1.0.0/umm/TemporalExtents
titlesource · NASA CMRconnector:nasa_cmr@1.0.0/umm/EntryTitle
updated_datesource · NASA CMRconnector:nasa_cmr@1.0.0
version_labelsource · NASA CMRconnector:nasa_cmr@1.0.0