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Long-Term Trends and Spatiotemporal Variations in Atmospheric XCH4 over China Utilizing Satellite Observations

Jianhui Xu, Weitao Li, Huaming Xie, Yanxia Wang, Li Wang, Feng Hu
2022 Atmosphere  
Furthermore, we analyzed the temporal and spatial variation patterns of the XCH4 concentration over China from 2003 to 2020.  ...  ) merged by SCIAMACHY and GOSAT products, utilizing the data of six surface observation stations in China and the surrounding areas.  ...  the long-term variation trends and temporal and spatial distribution characteristics of XCH 4 concentrations over China, analyzing the impact of human activities on large gas XCH 4 emissions in China.  ... 
doi:10.3390/atmos13040525 fatcat:vznnhrthi5asfdemyfoxn6ujmu

Fingerprint of rice paddies in spatial–temporal dynamics of atmospheric methane concentration in monsoon Asia

Geli Zhang, Xiangming Xiao, Jinwei Dong, Fengfei Xin, Yao Zhang, Yuanwei Qin, Russell B. Doughty, Berrien Moore
2020 Nature Communications  
Here we use satellite-based rice paddy and XCH4 data to investigate the spatial-temporal relationships between rice paddy area, rice plant growth, and XCH4 in monsoon Asia, which accounts for ~87% of the  ...  ., rice paddies) has been considered one of the main emission sources responsible for the sudden rise of atmospheric methane concentration (XCH4) since 2007, but remains debated.  ...  China (41871349, 81961128002), the Key Research Program of Frontier Sciences, the Chinese Academy of Sciences (QYZDB-SSW-DQC005), the NASA Geostationary Carbon Cycle Observatory (GeoCARB) project (80LARC17C0001  ... 
doi:10.1038/s41467-019-14155-5 pmid:31992693 pmcid:PMC6987195 fatcat:shfavph665ecfbpl4wrrzmeoli

Satellite chartography of atmospheric methane from SCIAMACHY on board ENVISAT: Analysis of the years 2003 and 2004

C. Frankenberg, J. F. Meirink, P. Bergamaschi, A. P. H. Goede, M. Heimann, S. Körner, U. Platt, M. van Weele, T. Wagner
2006 Journal of Geophysical Research  
1] The UV/Vis/near infrared spectrometer SCIAMACHY on board the European ENVISAT satellite enables total column retrieval of atmospheric methane with high sensitivity to the lower troposphere.  ...  The global measurements may be used for inverse modeling and are thus an important step towards better quantification of the methane budget.  ...  The SCIAMACHY level-1 data used in this paper were made available by ESA and processed by DLR.  ... 
doi:10.1029/2005jd006235 fatcat:n6yphs5egje3pa64fl7rofovk4

Atmospheric carbon gases retrieved from SCIAMACHY by WFM-DOAS: improved global CO and CH4 and initial verification of CO2 over Park Falls (46° N, 90° W)

R. de Beek, M. Buchwitz, S. Noël, J. P. Burrows, H. Bovensmann, M. Bruns, H. Bremer, P. Bergamaschi, S. Körner, M. Heimann
2006 Atmospheric Chemistry and Physics Discussions  
For all three carbon gases we present regional results including seasonal variation focusing on China.  ...  the SCIAMACHY data.  ...  We thank ESA and DLR for providing us with the SCIAMACHY Level 1 data.  ... 
doi:10.5194/acpd-6-363-2006 fatcat:ldebz2jh2vghzphvylkllgbwry

Analysis of spatial and temporal variations of carbon dioxide over China using SCIAMACHY satellite observations during 2003–2005

Ke Wang, Hong Jiang, Xiuying Zhang, Guomo Zhou
2011 International Journal of Remote Sensing  
The results show that the spatial variations of the CO 2 concentration in the whole of China are obvious, and with clear seasonal fluctuation during 2003-2005.  ...  This study aims to assess CO 2 levels in China, based on the dry air column-averaged mixing ratios of CO 2 measured by the Scanning Imaging Absorption spectrometer for Atmospheric CartograpHY (SCIAMACHY  ...  Acknowledgements We thank ESA for providing us with the SCIAMACHY level 3 data and National  ... 
doi:10.1080/01431161.2010.517805 fatcat:fpe73gg2nnc55i3yruxyfutg7m

Atmospheric carbon gases retrieved from SCIAMACHY by WFM-DOAS: version 0.5 CO and CH4 and impact of calibration improvements on CO2 retrieval

M. Buchwitz, R. de Beek, S. Noël, J. P. Burrows, H. Bovensmann, O. Schneising, I. Khlystova, M. Bruns, H. Bremer, P. Bergamaschi, S. Körner, M. Heimann
2006 Atmospheric Chemistry and Physics  
The near-infrared nadir spectra measured by SCIAMACHY on ENVISAT contain information on the vertical columns of these gases which we retrieve using a modified DOAS algorithm (WFM-DOAS or WFMD).  ...  We also show that the methane data product can be significantly further improved using Lv1v5 spectra with improved calibration.  ...  We thank ESA and DLR for providing us with the SCIAMACHY Level 1 data and the SCIAMACHY calibration team (e.g., DLR, SRON, ESA, University of Bremen) for continuously improving the quality of the spectra  ... 
doi:10.5194/acp-6-2727-2006 fatcat:zoyr5vah7bfatp2mejzvjp5q74

Global column-averaged methane mixing ratios from 2003 to 2009 as derived from SCIAMACHY: Trends and variability

C. Frankenberg, I. Aben, P. Bergamaschi, E. J. Dlugokencky, R. van Hees, S. Houweling, P. van der Meer, R. Snel, P. Tol
2011 Journal of Geophysical Research  
We thank and honor Annemieke Gloudemans, who provided ancillary data and continued the work started in this paper. Her unexpected death is a tragic loss to all of us.  ...  We acknowledge John Burrows, PI of the SCIAMACHY instrument, for having initiated and realized the SCIAMACHY project.  ...  Atmospheric models used to invert for methane emissions on the basis of SCIAMACHY data should thus properly simulate stratospheric variations.  ... 
doi:10.1029/2010jd014849 fatcat:m7u3qvorwfc47ie3kt7def5eeq

The trend, seasonal cycle, and sources of tropospheric NO2 over China during 1997–2006 based on satellite measurement

XingYing Zhang, Peng Zhang, Yan Zhang, XiaoJing Li, Hong Qiu
2007 Science in China Series D Earth Sciences  
The characteristics of spatial and temporal distribution of tropospheric NO 2 column density concentration over China are presented, on the basis of measurements from the satellite instruments GOME and  ...  SCIAMACHY.  ...  The authors would like to thank for the data of tropospheric NO 2 provided by the TEMIS web site hosted by KNMI, the Netherlands.  ... 
doi:10.1007/s11430-007-0141-6 fatcat:pdprfqjgyrfndbsuif6ukdqop4

Assessing Methane Emissions from Global Space-Borne Observations

C. Frankenberg
2005 Science  
We retrieved the global methane distribution using space-borne near-infrared absorption spectroscopy.  ...  In the past two centuries, atmospheric methane has more than doubled and now constitutes 20% of the anthropogenic climate forcing by greenhouse gases.  ...  With SCIAMACHY hopefully in operation for several years to come, we should be able to examine the temporal and spatial variations of CH 4 over longer time periods.  ... 
doi:10.1126/science.1106644 pmid:15774724 fatcat:bf2keitpuzebbav424gjton7cq

Four-dimensional variational data assimilation for inverse modeling of atmospheric methane emissions: Analysis of SCIAMACHY observations

Jan Fokke Meirink, Peter Bergamaschi, Christian Frankenberg, Monica T. S. d'Amelio, Edward J. Dlugokencky, Luciana V. Gatti, Sander Houweling, John B. Miller, Thomas Röckmann, M. Gabriella Villani, Maarten C. Krol
2008 Journal of Geophysical Research  
Here, we analyze the SCIAMACHY observations and their implications for emission estimates in detail using a four-dimensional variational (4D-Var) data assimilation system.  ...  of surface methane measurements.  ...  Peter Bergamaschi was supported by the European Commission RTD project GEMS (Global and regional Earth-system (atmosphere) monitoring using satellite and in-situ data), contract SIP4-CT-2004-516099, 6th  ... 
doi:10.1029/2007jd009740 fatcat:gtefmlzwvbfyxb7dgimcz6s5cy

Three years of greenhouse gas column-averaged dry air mole fractions retrieved from satellite – Part 2: Methane

O. Schneising, M. Buchwitz, J. P. Burrows, H. Bovensmann, P. Bergamaschi, W. Peters
2009 Atmospheric Chemistry and Physics  
Three years of greenhouse gas column-averaged dry air mole fractions retrieved from satellite -Part 2: Methane Schneising, O.; Buchwitz, M.; Burrows, J.  ...  We thank ESA and DLR for providing us with the SCIAMACHY Level 1 data and the SCIAMACHY calibration team (DLR, SRON, University of Bremen, ESA, and others) for continuously improving the quality of the  ...  University and the State of Bremen.  ... 
doi:10.5194/acp-9-443-2009 fatcat:2oiwp52snjh4jizkyz5plxm5ey

Carbon monoxide, methane and carbon dioxide columns retrieved from SCIAMACHY by WFM-DOAS: year 2003 initial data set

M. Buchwitz, R. de Beek, S. Noël, J. P. Burrows, H. Bovensmann, H. Bremer, P. Bergamaschi, S. Körner, M. Heimann
2005 Atmospheric Chemistry and Physics  
We thank ESA and DLR for making available the SCIAMACHY Level 1 data.  ...  We thank the MOPITT teams at NCAR and University of Toronto for the MOPITT Level 2 Version 3 data which have been obtained via the NASA Langley DAAC.  ...  The first CO results from SCIAMACHY have been presented in focusing on a detailed analysis of three days of data of the year 2003.  ... 
doi:10.5194/acp-5-3313-2005 fatcat:2h7njqrypfaqhfvuilmximpefy

Carbon monoxide, methane and carbon dioxide columns retrieved from SCIAMACHY by WFM-DOAS: year 2003 initial data set

M. Buchwitz, R. de Beek, S. Noël, J. P. Burrows, H. Bovensmann, H. Bremer, P. Bergamaschi, S. Körner, M. Heimann
2005 Atmospheric Chemistry and Physics Discussions  
We thank ESA and DLR for making available the SCIAMACHY Level 1 data.  ...  We thank the MOPITT teams at NCAR and University of Toronto for the MOPITT Level 2 Version 3 data which have been obtained via the NASA Langley DAAC.  ...  The first CO results from SCIAMACHY have been presented in focusing on a detailed analysis of three days of data of the year 2003.  ... 
doi:10.5194/acpd-5-1943-2005 fatcat:f3ibmqn7obgpndn4voyyjnu56y

A Retrieval of Glyoxal from OMI over China: Investigation of the Effects of Tropospheric NO2

Yapeng Wang, Jinhua Tao, Liangxiao Cheng, Chao Yu, Zifeng Wang, Liangfu Chen
2019 Remote Sensing  
The results show that our algorithm can obtain the glyoxal spatial and temporal variations in different regions over China.  ...  To better understand the glyoxal spatial-temporal characteristics over China and evaluate the effectiveness of atmospheric prevention efforts on the reduction of volatile organic compound (VOC) emissions  ...  Conflicts of Interest: The authors declare no conflicts of interest.  ... 
doi:10.3390/rs11020137 fatcat:i3ysj26u6vaorigesi6ojdhnka

Geostatistical Analysis of CH4 Columns over Monsoon Asia Using Five Years of GOSAT Observations

Min Liu, Liping Lei, Da Liu, Zhao-Cheng Zeng
2016 Remote Sensing  
Secondly, with the mapping data, we investigate the spatial and temporal variations of XCH 4 over Monsoon Asia and compare the results with previous studies on ground and other satellite observations.  ...  Firstly, we propose the use of a data-driven mapping approach based on spatio-temporal geostatistics to generate a regular and gridded mapping dataset of XCH 4 over Monsoon Asia using five years of XCH  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/rs8050361 fatcat:gvbue4hrxbchbgptk6lyyyj2re
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