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Constraints on methane emissions in North America from future geostationary remote sensing measurements
2015
Atmospheric Chemistry and Physics Discussions
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In this study, an Observation System Simulation Experiment (OSSE) is performed to quantify the constraints on methane (CH<sub>4</sub>) emissions in North America obtained from Short Wave Infrared (SWIR ...
These results highlight the importance of using observations sensitive to boundary layer concentrations (i.e., SWIR) to achieve significant improvements in constraining CH<sub>4</sub> sources compared ...
The Janus supercomputer is a joint effort of the University of Colorado Boulder, the University of Colorado Denver and the National Center for Atmospheric Research. Alexander J. ...
doi:10.5194/acpd-15-19017-2015
fatcat:763634sx7relxhrqj45leexmou
Constraints on methane emissions in North America from future geostationary remote-sensing measurements
2016
Atmospheric Chemistry and Physics
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In this study, an Observation System Simulation Experiment (OSSE) is performed to quantify the constraints on methane (CH<sub>4</sub>) emissions in North America obtained from shortwave infrared (SWIR) ...
The benefit of a multi-spectral instrument compared to current SWIR products in a GEO context is shown for sub-weekly timescale constraints, with an increase in the DOF of about 50<span class="thinspace ...
The Janus supercomputer is a joint effort of the University of Colorado Boulder, the University of Colorado Denver and the National Center for Atmospheric Research. Alexander J. ...
doi:10.5194/acp-16-6175-2016
fatcat:a6zbfaoml5ee5ckyhiwk45yjn4
Retrieval algorithm for CO2 and CH4 column abundances from short-wavelength infrared spectral observations by the Greenhouse Gases Observing Satellite
2010
Atmospheric Measurement Techniques Discussions
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Then, column abundances of carbon dioxide and methane are retrieved based on the optimal estimation method. ...
The Greenhouse gases Observing SATellite (GOSAT) was launched on 23 January 2009 to monitor the global distributions of carbon dioxide and methane from space. It has operated continuously since then. ...
The authors would like to thank the members of the NIES GOSAT Project, the GOSAT science team, and ACOS team for their useful comments. ...
doi:10.5194/amtd-3-4791-2010
fatcat:7jnv2foacvbz3lgex5go3czlxm
Retrieval algorithm for CO2 and CH4 column abundances from short-wavelength infrared spectral observations by the Greenhouse gases observing satellite
2011
Atmospheric Measurement Techniques
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Then, column abundances of carbon dioxide and methane are retrieved based on the optimal estimation method. ...
The Greenhouse gases Observing SATellite (GOSAT) was launched on 23 January 2009 to monitor the global distributions of carbon dioxide and methane from space. It has operated continuously since then. ...
The authors would like to thank the members of the NIES GOSAT Project, the GOSAT science team, and ACOS team for their useful comments. ...
doi:10.5194/amt-4-717-2011
fatcat:txshissqgzcoxdtz4qb3x2hquq
XCO2 and XCH4 Reconstruction Using GOSAT Satellite Data Based on EOF-Algorithm
2022
Remote Sensing
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In this study, we apply an empirical orthogonal function (EOF)-based method on the GOSAT L3 products (137 images, from January 2010 to May 2021) to estimate the column average of carbon dioxide and methane ...
The Greenhouse Gases Observing Satellite (GOSAT) can help to ascertain the global distribution of carbon dioxide (CO2) and methane (CH4), and how the sources and sinks of these gases vary by season, year ...
Institute of Technology (Caltech) for providing the TCCON data (http://tccon.ornl.gov/ (accessed on 12 December 2021)). ...
doi:10.3390/rs14112622
fatcat:e3de25hcnffuxe34dpmnnftumu
Inverse modeling of GOSAT-retrieved ratios of total column CH4 and CO2 for 2009 and 2010
2016
Atmospheric Chemistry and Physics
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We apply the ratio inversion method described in Pandey et al. (2015) to retrievals from the Greenhouse Gases Observing SATellite (GOSAT). ...
The ratio inversion estimates an enhanced CO<sub>2</sub> release from tropical South America during the dry season of 2010, which is in accordance with the findings of Gatti et al. (2014) and Van der Laan ...
Access to the GOSAT data was granted through the third GOSAT research announcement jointly issued by JAVA, NIES, and MOE. The funding for AMAZONICA project is provided by NERC and FAPESP. We thank S. ...
doi:10.5194/acp-16-5043-2016
fatcat:go5vymjizzdjpozmpll44hzh6q
Multispectral information from TANSO-FTS instrument – Part 1: Application to greenhouse gases (CO2 and CH4) in clear sky conditions
2013
Atmospheric Measurement Techniques
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</strong> The Greenhouse gases Observing SATellite (GOSAT) mission, and in particular the Thermal And Near infrared Sensor for carbon Observations–Fourier Transform Spectrometer (TANSO-FTS) instrument, ...
<br><br> In order to quantify the impact of the spectral synergy on the retrieval accuracy, we performed an information content (IC) analysis from simulated spectra corresponding to the three infrared ...
This work was supported by the French Space Agency, Centre National d'Etudes Spatiales (CNES), project GOSAT-TOSCA. ...
doi:10.5194/amt-6-3301-2013
fatcat:lzb6gaekwrexxbavjbt7lmv5jm
Inverse modeling of GOSAT-retrieved ratios of total column CH4 and CO2 for 2009 and 2010
2016
Atmospheric Chemistry and Physics Discussions
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We apply the ratio inversion method described in Pandey et al. (2015) to retrievals from the Greenhouse Gas Observing SATellite (GOSAT). ...
The ratio inversion estimates an enhanced CO<sub>2</sub> release from Tropical South America during the dry season of 2010, which is in accordance with the findings of Gatti et al. (2014) and Vanderlaan ...
Access to the GOSAT data was granted through the third GOSAT research announcement jointly issued by JAVA, NIES, and MOE. The funding for AMAZONICA project is provided by NERC and FAPESP. We thank S. ...
doi:10.5194/acp-2016-77
fatcat:44gazyjyqfgixlob5w34ivlxye
Estimating regional fluxes of CO2 and CH4 using space-borne observations of XCH4: XCO2
2014
Atmospheric Chemistry and Physics
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constraints, improving the effectiveness of the observed GOSAT ratio to constrain flux estimates. ...
We find that adding the surface data effectively provides an "anchor" to the inversion that dramatically improves the ability of the GOSAT ratios to infer both CH<sub>4</sub> and CO<sub>2</sub> fluxes. ...
The full physics method uses an optimal estimation approach and incorporates a rigorous treatment of the atmospheric radiative transfer including the effects of clouds and aerosols. ...
doi:10.5194/acp-14-12883-2014
fatcat:ndqccayt5fbqrpinex4p37mnlm
Estimating regional fluxes of CO2 and CH4 using space-borne observations of XCH4 : XCO2
2014
Atmospheric Chemistry and Physics Discussions
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constraints, improving the effectiveness of the observed GOSAT ratio to constrain fluxes. ...
The advantage of these data over CO<sub>2</sub> and CH<sub>4</sub> columns retrieved independently using a full physics optimal estimation algorithm is that they suffer less from scattering-related regional ...
The full physics method uses an optimal estimation approach and incorporates a rigorous treatment of the atmospheric radiative transfer including the effects of clouds and aerosols. ...
doi:10.5194/acpd-14-15867-2014
fatcat:rywgtjzdjrhafge67jsvzz4hnq
Update on GOSAT TANSO-FTS performance, operations, and data products after more than six years in space
2016
Atmospheric Measurement Techniques Discussions
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In addition, we discuss the unique observation abilities of GOSAT, made possible by an agile pointing mechanism, which allows for optimization of global sampling patterns. ...
gases Observing SATellite (GOSAT), nicknamed "Ibuki", Thermal And Near infrared Sensor for carbon Observation Fourier-Transform Spectrometer (TANSO-FTS). ...
points per orbit is smaller than for imaging 28 spectrometers, TANSO-FTS has an advantage of wide spectral coverage for both CO2 and CH4 29 in SWIR and TIR. ...
doi:10.5194/amt-2015-333
fatcat:dkccqkgervdhzmji5cy5ndvktm
Global distribution of methane emissions, emission trends, and OH concentrations and trends inferred from an inversion of GOSAT satellite data for 2010–2015
2019
Atmospheric Chemistry and Physics Discussions
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</strong> We use 2010&ndash;2015 observations of atmospheric methane columns from the GOSAT satellite instrument in a global inverse analysis to improve estimates of methane emissions and their trends ...
The observed 2010&ndash;2015 growth in atmospheric methane is attributed mostly to an increase in emissions from India, China, and areas with large tropical wetlands. ...
Satellite observations of atmospheric methane are expected to vastly improve in the near future with the launch of the 5 TROPOMI instrument in October 2017, the advent of geostationary observations from ...
doi:10.5194/acp-2018-1365
fatcat:drgbxq73avfhjakelbb6kzkpvq
Geostatistical Analysis of CH4 Columns over Monsoon Asia Using Five Years of GOSAT Observations
2016
Remote Sensing
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4 retrievals by GOSAT from June 2009 to May 2014. ...
Thirdly, we compare the mapping XCH 4 with model simulations from CarbonTracker-CH 4 and find their spatial patterns very consistent, but GOSAT observations are more able to capture the local variability ...
Conflicts of Interest: The authors declare no conflict of interest. ...
doi:10.3390/rs8050361
fatcat:gvbue4hrxbchbgptk6lyyyj2re
Update on GOSAT TANSO-FTS performance, operations, and data products after more than 6 years in space
2016
Atmospheric Measurement Techniques
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In addition, we discuss the unique observation abilities of GOSAT made possible by an agile pointing mechanism, which allows for optimization of global sampling patterns.</p> ...
</strong> A data set containing more than 6 years (February 2009 to present) of radiance spectra for carbon dioxide (CO<sub>2</sub>) and methane (CH<sub>4</sub>) observations has been acquired by the Greenhouse ...
Tsukahara of the GOSAT operation team; A. Sasaki and S. Obara of the JAXA tribology laboratory; T. Arai of Fujitsu Corporation, K. Ikehara of NEC Corporation; F. Komagata, K. Nakagawa, and T. ...
doi:10.5194/amt-9-2445-2016
fatcat:b5cpjr47r5hoxb42etjhrqsqdy
The Methane Isotopologues by Solar Occultation (MISO) Nanosatellite Mission: Spectral Channel Optimization and Early Performance Analysis
2017
Remote Sensing
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to infer improved estimates of surface emissions, as demonstrated in the shortwave infrared (SWIR) with the SCIAMACHY instrument onboard ENVISAT [5] . ...
Additional sensors are planned to complement and/or replace the existing methane observing infrastructure, including GOSAT 2, an enhanced version of GOSAT (2018); IASI-NG, following on and improving IASI ...
Conflicts of Interest: The authors declare no conflict of interest. ...
doi:10.3390/rs9101073
fatcat:pke6dccj5jblbcg4wy75lgm4je
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