Evaluating atmospheric methane inversion model results for Pallas, northern Finland ...
A state-of-the-art inverse model, CarbonTracker Data Assimilation Shell (CTDAS), was used to optimize estimates of methane (CH4) surface fluxes using atmospheric observations of CH4 as a constraint. The model consists of the latest version of the TM5 atmospheric chemistry-transport model and an ense...
Main Authors: | , , , , , , , , , , |
---|---|
Format: | Text |
Language: | English |
Published: |
Boreal Environment Research Publishing Board
2015
|
Subjects: | |
Online Access: | https://dx.doi.org/10.7892/boris.73421 https://boris.unibe.ch/73421/ |
id |
ftdatacite:10.7892/boris.73421 |
---|---|
record_format |
openpolar |
spelling |
ftdatacite:10.7892/boris.73421 2024-09-30T14:40:05+00:00 Evaluating atmospheric methane inversion model results for Pallas, northern Finland ... Tsuruta, Aki Aalto, Tuula Backman, Leif Peters, Wouter Krol, Maarten Van Der Laan-Luijkx, Ingrid T. Hatakka, Juha Heikkinen, Pauli Dlugokencky, Edward J. Spahni, Renato Paramonova, Nina N. 2015 application/pdf https://dx.doi.org/10.7892/boris.73421 https://boris.unibe.ch/73421/ en eng Boreal Environment Research Publishing Board info:eu-repo/semantics/openAccess 530 Physics Text ScholarlyArticle article-journal 2015 ftdatacite https://doi.org/10.7892/boris.73421 2024-09-02T10:17:31Z A state-of-the-art inverse model, CarbonTracker Data Assimilation Shell (CTDAS), was used to optimize estimates of methane (CH4) surface fluxes using atmospheric observations of CH4 as a constraint. The model consists of the latest version of the TM5 atmospheric chemistry-transport model and an ensemble Kalman filter based data assimilation system. The model was constrained by atmospheric methane surface concentrations, obtained from the World Data Centre for Greenhouse Gases (WDCGG). Prior methane emissions were specified for five sources: biosphere, anthropogenic, fire, termites and ocean, of which bio-sphere and anthropogenic emissions were optimized. Atmospheric CH 4 mole fractions for 2007 from northern Finland calculated from prior and optimized emissions were compared with observations. It was found that the root mean squared errors of the posterior esti - mates were more than halved. Furthermore, inclusion of NOAA observations of CH 4 from weekly discrete air samples collected at Pallas improved ... Text Northern Finland DataCite |
institution |
Open Polar |
collection |
DataCite |
op_collection_id |
ftdatacite |
language |
English |
topic |
530 Physics |
spellingShingle |
530 Physics Tsuruta, Aki Aalto, Tuula Backman, Leif Peters, Wouter Krol, Maarten Van Der Laan-Luijkx, Ingrid T. Hatakka, Juha Heikkinen, Pauli Dlugokencky, Edward J. Spahni, Renato Paramonova, Nina N. Evaluating atmospheric methane inversion model results for Pallas, northern Finland ... |
topic_facet |
530 Physics |
description |
A state-of-the-art inverse model, CarbonTracker Data Assimilation Shell (CTDAS), was used to optimize estimates of methane (CH4) surface fluxes using atmospheric observations of CH4 as a constraint. The model consists of the latest version of the TM5 atmospheric chemistry-transport model and an ensemble Kalman filter based data assimilation system. The model was constrained by atmospheric methane surface concentrations, obtained from the World Data Centre for Greenhouse Gases (WDCGG). Prior methane emissions were specified for five sources: biosphere, anthropogenic, fire, termites and ocean, of which bio-sphere and anthropogenic emissions were optimized. Atmospheric CH 4 mole fractions for 2007 from northern Finland calculated from prior and optimized emissions were compared with observations. It was found that the root mean squared errors of the posterior esti - mates were more than halved. Furthermore, inclusion of NOAA observations of CH 4 from weekly discrete air samples collected at Pallas improved ... |
format |
Text |
author |
Tsuruta, Aki Aalto, Tuula Backman, Leif Peters, Wouter Krol, Maarten Van Der Laan-Luijkx, Ingrid T. Hatakka, Juha Heikkinen, Pauli Dlugokencky, Edward J. Spahni, Renato Paramonova, Nina N. |
author_facet |
Tsuruta, Aki Aalto, Tuula Backman, Leif Peters, Wouter Krol, Maarten Van Der Laan-Luijkx, Ingrid T. Hatakka, Juha Heikkinen, Pauli Dlugokencky, Edward J. Spahni, Renato Paramonova, Nina N. |
author_sort |
Tsuruta, Aki |
title |
Evaluating atmospheric methane inversion model results for Pallas, northern Finland ... |
title_short |
Evaluating atmospheric methane inversion model results for Pallas, northern Finland ... |
title_full |
Evaluating atmospheric methane inversion model results for Pallas, northern Finland ... |
title_fullStr |
Evaluating atmospheric methane inversion model results for Pallas, northern Finland ... |
title_full_unstemmed |
Evaluating atmospheric methane inversion model results for Pallas, northern Finland ... |
title_sort |
evaluating atmospheric methane inversion model results for pallas, northern finland ... |
publisher |
Boreal Environment Research Publishing Board |
publishDate |
2015 |
url |
https://dx.doi.org/10.7892/boris.73421 https://boris.unibe.ch/73421/ |
genre |
Northern Finland |
genre_facet |
Northern Finland |
op_rights |
info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.7892/boris.73421 |
_version_ |
1811642627267756032 |