DLR); French Space Agency (CNES); SCanning Imaging Absorption spectroMeter for Atmospheric CHartographY (SCIAMACHY) ,
Drafting Sections 1, 3, 4 and 6, Figures 1, 2 and 5, input references ,
Drafting Sections 1, 2, 5 and 6, input Figure 7, Table 1, abstract, writing list of references ,
Drafting Sections 4 and 5, drafting Tables 3?5, input to list of references. Matthias Alpers and Bruno Millet: Input Figures 3 and 4 ,
data input, update of writing of the methodology and technical paragraphs in Sections 1, 3 and 4, input to list of references Update of the full manuscript in the early phase. Input to Table 3 (MERLIN requirements definition) and data input Section 5, update list of references Update of the full manuscript of second draft, update of list of references, polishing of the whole manuscript, input to Table 3 (MERLIN requirements definition), particular Sections 1 ,
Observations: Atmosphere and surface. In Climate Change 2013: The Physical Science Basis. Contribution of Working Group I to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change, 2013. ,
The global methane budget, CrossRef] 3. WMO. World Meteorological Organisation, World Data Centre for Greenhouse Gases (WDCGG), Japan Meteorological Agency. Available online, pp.697-751, 2000. ,
Global increase in atmospheric methane concentrations between 1978 and 1980, Geophysical Research Letters, vol.84, issue.4, pp.477-480, 1978. ,
DOI : 10.1029/JC084iC11p07023
Seasonal climatology of CO 2 across north america from aircraft measurements in the noaa/esrl global greenhouse gas reference network, J. Geophys. Res. Atmos. 2015, vol.120, pp.5155-5190 ,
Civil aircraft for the regular investigation of the atmosphere based on an instrumented container: The new caribic system, Atmos. Chem. Phys, vol.7, pp.4953-4976, 2007. ,
URL : https://hal.archives-ouvertes.fr/hal-00328069
Distribution of methane in the tropical upper troposphere measured by CARIBIC and CONTRAIL aircraft, Journal of Geophysical Research: Atmospheres, vol.9, issue.3, p.19304, 2012. ,
DOI : 10.5194/acp-9-783-2009
Methane emissions from Alaska in 2012 from CARVE airborne observations, Proc. Natl. Acad. Sci. USA 2014 Source-receptor relationships for airborne measurements of CO 2 , CO and O 3 above siberia: A cluster-based approach, pp.16694-16699 ,
DOI : 10.1029/GB001i001p00061
URL : http://www.pnas.org/content/111/47/16694.full.pdf
HIAPER Pole-to-Pole Observations (HIPPO): fine-grained, global-scale measurements of climatically important atmospheric gases and aerosols, Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, vol.3, issue.5832, pp.2073-2086, 2011. ,
DOI : 10.5194/amtd-3-2603-2010
AirCore: An Innovative Atmospheric Sampling System, Journal of Atmospheric and Oceanic Technology, vol.27, issue.11, pp.1839-1853, 2010. ,
DOI : 10.1175/2010JTECHA1448.1
The Total Carbon Column Observing Network, Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, vol.35, issue.48, p.369, 2011. ,
DOI : 10.1364/AO.35.002947
URL : http://rsta.royalsocietypublishing.org/content/roypta/369/1943/2087.full.pdf
MAMAP ??? a new spectrometer system for column-averaged methane and carbon dioxide observations from aircraft: instrument description and performance analysis, Atmospheric Measurement Techniques, vol.4, issue.2, pp.215-243 ,
DOI : 10.5194/amt-4-215-2011
URL : https://www.atmos-meas-tech.net/4/215/2011/amt-4-215-2011.pdf
Quantification of methane emission rates from coal mine ventilation shafts using airborne remote sensing data, Atmospheric Measurement Techniques, vol.6, issue.1, pp.151-166 ,
DOI : 10.5194/amt-6-151-2013
Methane emissions from a californian landfill, determined from airborne remote sensing and in-situ measurements, pp.3429-3452 ,
Contribution of anthropogenic and natural sources to atmospheric methane variability, Nature, vol.11, issue.7110, pp.439-443, 2006. ,
DOI : 10.1038/nature05132
URL : https://hal.archives-ouvertes.fr/bioemco-00175971
Inverse modeling of methane sources and sinks using the adjoint of a global transport model, Journal of Geophysical Research: Atmospheres, vol.100, issue.D21, pp.26137-26160, 1999. ,
DOI : 10.1029/95JD00370
Direct and indirect measurements and modeling of methane emissions in Indianapolis, Indiana. Environ. Sci. Technol, vol.50, pp.8910-8917, 2016. ,
Monthly trends of methane emissions in Los Angeles from 2011 to 2015
inferred by CLARS-FTS observations, Atmospheric Chemistry and Physics, vol.16, issue.20, pp.13121-13130, 2016. ,
DOI : 10.5194/acp-16-13121-2016-supplement
Sensitivity of the recent methane budget to LMDz sub-grid-scale physical parameterizations, Atmospheric Chemistry and Physics, vol.15, issue.17, pp.9765-9780, 2015. ,
DOI : 10.5194/acp-15-9765-2015
burden, Geophysical Research Letters, vol.6, issue.D13, p.18803, 2009. ,
DOI : 10.1029/91JD02755
Janssens-Maenhout, G.; et al. Anthropogenic emissions of methane in the united states, Proc. Natl. Acad. Sci. USA 2013, 20018. ,
Precise methane absorption measurements in the 1.64?????m spectral region for the MERLIN mission, Journal of Geophysical Research: Atmospheres, vol.138, issue.12, pp.7360-7370, 2016. ,
DOI : 10.1063/1.4792372
The MERLIN Science Plan Available online: https://files, 2015. ,
SCIAMACHY: Mission Objectives and Measurement Modes, Journal of the Atmospheric Sciences, vol.56, issue.2, pp.127-150, 1999. ,
DOI : 10.1175/1520-0469(1999)056<0127:SMOAMM>2.0.CO;2
URL : http://www.cfa.harvard.edu/atmosphere/publications/JAS56-SCIAMACHY-1999.pdf
Atmospheric carbon gases retrieved from SCIAMACHY by WFM-DOAS: version 0.5 CO and CH<sub>4</sub> and impact of calibration improvements on CO<sub>2</sub> retrieval, Atmospheric Chemistry and Physics, vol.6, issue.9, pp.2727-2751, 2006. ,
DOI : 10.5194/acp-6-2727-2006
URL : https://hal.archives-ouvertes.fr/hal-00295971
The Greenhouse Gas Climate Change Initiative (GHG-CCI): Comparison and quality assessment of near-surface-sensitive satellite-derived CO2 and CH4 global data sets, Remote Sensing of Environment, vol.162, pp.344-362 ,
DOI : 10.1016/j.rse.2013.04.024
SCIAMACHY???scanning imaging absorption spectrometer for atmospheric chartography, Acta Astronautica, vol.35, issue.7, pp.445-451, 1995. ,
DOI : 10.1016/0094-5765(94)00278-T
Comparisons between sciamachy and ground-based ftir data for total columns of CO, Atmos. Chem. Phys, vol.4, issue.6, pp.1953-1976, 2006. ,
URL : https://hal.archives-ouvertes.fr/hal-00303909
Global column-averaged methane mixing ratios from 2003 to 2009 as derived from SCIAMACHY: Trends and variability, Journal of Geophysical Research, vol.53, issue.3, p.4302, 2011. ,
DOI : 10.5194/acp-9-443-2009
URL : http://onlinelibrary.wiley.com/doi/10.1029/2010JD014849/pdf
Preliminary validation of column-averaged volume mixing ratios of carbon dioxide and methane retrieved from gosat short-wavelength infrared spectra, pp.1061-1076 ,
Satellite chartography of atmospheric methane from sciamachyon board envisat: 2. Evaluation based on inverse model simulations, J. Geophys. Res. Atmos, vol.112, p.2, 2007. ,
Inverse modeling of global and regional CH 4 emissions using sciamachy satellite retrievals, J. Geophys. Res. Atmos, vol.114, p.22, 2009. ,
DOI : 10.1029/2009jd012287
in the first decade of the 21st century: Inverse modeling analysis using SCIAMACHY satellite retrievals and NOAA surface measurements, Journal of Geophysical Research: Atmospheres, vol.5, issue.48, pp.7350-7369, 2013. ,
DOI : 10.5194/acp-5-563-2005
Corrigendum to "A multi-year methane inversion using SCIAMACHY, accounting for systematic errors using TCCON measurements" published in Atmos. Chem. Phys., 14, 3991???4012, 2014, Atmospheric Chemistry and Physics, vol.14, issue.20, pp.10961-10962, 2014. ,
DOI : 10.5194/acp-14-10961-2014
Four-dimensional variational data assimilation for inverse modeling of atmospheric methane emissions: Analysis of SCIAMACHY observations, Journal of Geophysical Research, vol.105, issue.D7, p.17, 2008. ,
DOI : 10.5194/acpd-8-12023-2008
On the consistency between global and regional methane emissions inferred from SCIAMACHY, TANSO-FTS, IASI and surface measurements, Atmospheric Chemistry and Physics, vol.14, issue.2, pp.577-592, 2014. ,
DOI : 10.5194/acp-14-577-2014
URL : https://hal.archives-ouvertes.fr/hal-01087279
inversions based on 15 months of GOSAT and SCIAMACHY observations, Journal of Geophysical Research: Atmospheres, vol.4, issue.20, pp.11807-11823, 2013. ,
DOI : 10.5194/amt-4-717-2011
URL : https://hal.archives-ouvertes.fr/hal-01091235
Four corners: The largest US methane anomaly viewed from space, Geophysical Research Letters, vol.369, issue.1943, pp.6898-6903, 2014. ,
DOI : 10.1098/rsta.2010.0240
URL : http://onlinelibrary.wiley.com/doi/10.1002/2014GL061503/pdf
Satellite-derived methane hotspot emission estimates using a fast data-driven method, Atmos. Chem. Phys, vol.17, pp.2017-5751 ,
DOI : 10.5194/acp-17-5751-2017
URL : https://doi.org/10.5194/acp-17-5751-2017
Tropospheric methane in the tropics ??? first year from IASI hyperspectral infrared observations, Atmospheric Chemistry and Physics, vol.9, issue.17, pp.6337-6350, 2009. ,
DOI : 10.5194/acp-9-6337-2009
Inverse modelling of CH<sub>4</sub> emissions for 2010???2011 using different satellite retrieval products from GOSAT and SCIAMACHY, Atmospheric Chemistry and Physics, vol.15, issue.1, pp.113-133, 2015. ,
DOI : 10.5194/acp-15-113-2015-supplement
); Version 4.0, CRDP#3; From ESA Climate Change Initiative (CCI), Product Validation and Intercomparison Report (PVIR, p.95, 2017. ,
The operational methane retrieval algorithm for tropomi, Atmos. Meas. Tech, vol.2016, issue.9, pp.5423-5440 ,
The TANSO-FTS-2 instrument for the GOSAT-2 greenhouse gas monitoring mission, 2014 IEEE Geoscience and Remote Sensing Symposium, pp.1238-1240, 2014. ,
DOI : 10.1109/IGARSS.2014.6946656
Potential of a geostationary geocarb mission to estimate surface emissions of CO 2 , CH 4 and CO in a polluted urban environment: Case study shanghai, Atmos. Meas. Tech, vol.2016, issue.9, pp.4633-4654 ,
Towards iasi-new generation (iasi-ng): Impact of improved spectral resolution and radiometric noise on the retrieval of thermodynamic ,
URL : https://hal.archives-ouvertes.fr/hal-00921248
Space-borne remote sensing of CO2, CH4, and N2O by integrated path differential absorption lidar: a sensitivity analysis, Applied Physics B, vol.28, issue.3-4, pp.593-608, 2008. ,
DOI : 10.1007/s00340-007-2892-3
A French-German mission addressing methane monitoring by Lidar from space, Proceedings of the 26th International Laser Radar Conference (ILRC), pp.26-29, 2012. ,
Sensitivity studies for a space-based methane lidar mission, Atmospheric Measurement Techniques, vol.4, issue.10, pp.2195-2211, 2011. ,
DOI : 10.5194/amt-4-2195-2011
URL : https://www.atmos-meas-tech.net/4/2195/2011/amt-4-2195-2011.pdf
MERLIN (Methane Remote Sensing Lidar Mission): an Overview, Proceedings of the 27th International Laser Radar Conference (ILRC), pp.5-10, 2015. ,
DOI : 10.1117/12.896589
URL : http://www.epj-conferences.org/articles/epjconf/pdf/2016/14/epjconf_ilrc2016_26001.pdf
Pulsed airborne Lidar measurements of atmospheric CO 2 column absorption, pp.770-783, 2010. ,
Development of an OPO system at 1.57????m for integrated path DIAL measurement of atmospheric carbon dioxide, Applied Physics B, vol.26, issue.33, pp.295-302, 2008. ,
DOI : 10.1007/s00340-008-3075-6
Two-micrometer heterodyne differential absorption lidar measurements of the atmospheric CO_2 mixing ratio in the boundary layer, Applied Optics, vol.45, issue.18, pp.4448-4458, 2006. ,
DOI : 10.1364/AO.45.004448
URL : https://hal.archives-ouvertes.fr/hal-00093980
Mixing Ratio in the Troposphere, Journal of Atmospheric and Oceanic Technology, vol.25, issue.9, pp.1477-1497, 2008. ,
DOI : 10.1175/2008JTECHA1070.1
URL : https://hal.archives-ouvertes.fr/hal-00322701
Coherent 2 ??m differential absorption and wind lidar with conductively cooled laser and two-axis scanning device, Applied Optics, vol.49, issue.10, pp.1809-1817, 2010. ,
DOI : 10.1364/AO.49.001809
Coherent differential absorption lidar measurements of CO_2, Applied Optics, vol.43, issue.26, pp.5092-5099, 2004. ,
DOI : 10.1364/AO.43.005092
Airborne measurements of atmospheric methane column abundance using a pulsed integrated-path differential absorption lidar, Applied Optics, vol.51, issue.34, pp.8296-8305, 2012. ,
DOI : 10.1364/AO.51.008296
CHARM-F???a new airborne integrated-path differential-absorption lidar for carbon dioxide and methane observations: measurement performance and quantification of strong point source emissions, Applied Optics, vol.56, issue.18, pp.2017-5182 ,
DOI : 10.1364/AO.56.005182
The airborne multi-wavelength water vapor differential absorption lidar WALES: system design and performance, Applied Physics B, vol.74, issue.1, pp.96-201, 2009. ,
DOI : 10.1007/s00340-004-1542-2
Spaceborne lasers development for ALADIN and ATLID instruments, 2012 IEEE International Geoscience and Remote Sensing Symposium, pp.22-27, 2012. ,
DOI : 10.1109/IGARSS.2012.6352324
Lidar Description and Performance Assessment, Journal of Atmospheric and Oceanic Technology, vol.26, issue.7, pp.1214-1228, 2009. ,
DOI : 10.1175/2009JTECHA1223.1
Overview of the CALIPSO Mission and CALIOP Data Processing Algorithms, Journal of Atmospheric and Oceanic Technology, vol.26, issue.11, pp.2310-2323, 2009. ,
DOI : 10.1175/2009JTECHA1281.1
Two stage Innoslab amplifier for energy scaling from 100 to >500??????mJ for future lidar applications, Applied Optics, vol.56, issue.10, pp.2886-2892, 2017. ,
DOI : 10.1364/AO.56.002886
Satellite chartography of atmospheric methane from SCIAMACHY on board ENVISAT: Analysis of the years 2003 and 2004, Journal of Geophysical Research, vol.218, issue.D24, p.7303, 2003. ,
DOI : 10.1142/3171
Update on gosat tanso-fts performance, operations, and data products after more than 6 years in space, Atmos. Meas. Tech, vol.2016, issue.9, pp.2445-2461 ,
DOI : 10.5194/amt-9-2445-2016
URL : https://www.atmos-meas-tech.net/9/2445/2016/amt-9-2445-2016.pdf
TROPOMI aboard Sentinel-5 Precursor: Prospective performance of CH4 retrievals for aerosol and cirrus loaded atmospheres, Remote Sensing of Environment, vol.120, pp.267-276, 2012. ,
DOI : 10.1016/j.rse.2011.05.030
Performance of a geostationary mission, geoCARB, to measure CO<sub>2</sub>, CH<sub>4</sub> and CO column-averaged concentrations, Atmospheric Measurement Techniques, vol.7, issue.4, pp.959-981 ,
DOI : 10.5194/amt-7-959-2014
Reactive greenhouse gas scenarios: Systematic exploration of uncertainties and the role of atmospheric chemistry, Geophysical Research Letters, vol.453, issue.D7, p.2012 ,
DOI : 10.1038/453296a
Three decades of global methane sources and sinks, Nature Geoscience, vol.108, issue.10, pp.813-823 ,
DOI : 10.1029/2002JD002423
The growing role of methane in anthropogenic climate change, Environmental Research Letters, vol.11, issue.12, p.120207, 2016. ,
DOI : 10.1088/1748-9326/11/12/120207
column at daily and monthly scales from sparse satellite measurements, Journal of Geophysical Research: Atmospheres, vol.9, issue.4, pp.7614-7629, 2017. ,
DOI : 10.5194/amt-9-1415-2016
Assimilation of atmospheric methane products into the MACC-II system: from SCIAMACHY to TANSO and IASI, Atmospheric Chemistry and Physics, vol.14, issue.12, pp.6139-6158, 2014. ,
DOI : 10.5194/acp-14-6139-2014
URL : https://hal.archives-ouvertes.fr/hal-01083000
emissions from oil and gas production: Have recent large increases been detected?, U.S. CH J. Geophys. Res. Atmos, vol.4, issue.122, pp.2017-4070 ,
DOI : 10.1002/2016jd026157
URL : https://hal.archives-ouvertes.fr/hal-01584120
Requirements Definition for Future Dial Instrument(P)-4513, 2003. ,
Future Atmopheric Carbon Dioxide Testing from Space, Observations Techniques and Sensor Concepts for the Observations of CO 2 from Space, 2005. ,
Esa Report: Advanced Space Carbon and Climate Observation of Planet Earth Report for Assessment; SP-1313/1, 2009. ,
Space-Borne Monitoring of Methane by Intergrated Parth Differential Absorption Lidar: Perspective of dlr's Charm-SSB Mission, Proceedings of the 24th International Laser Radar Conference (ILRC), pp.23-27, 2008. ,
Operating wavelengths optimization for a spaceborne lidar measuring atmospheric CO_2, Applied Optics, vol.48, issue.28, pp.5413-5422, 2009. ,
DOI : 10.1364/AO.48.005413
Challenges and Solutions for Frequency and Energy References for Spaceborne and Airborne Integrated Path Differential Absorption Lidars, Proceedings of the 27th International Laser Radar Conference (ILRC), pp.5-10, 2015. ,
DOI : 10.1051/rphysap:01981001606035300
URL : http://www.epj-conferences.org/articles/epjconf/pdf/2016/14/epjconf_ilrc2016_06012.pdf
The MERLIN Science Plan Available online: https://files, 2015. ,
Averaging bias correction for the future ipda Lidar mission merlin, Proceedings of the 28th International Laser Radar Conference (ILRC), pp.25-30, 2017. ,
Evaluation of various observing systems for the global monitoring of CO<sub>2</sub> surface fluxes, Atmospheric Chemistry and Physics, vol.10, issue.21, pp.10503-10520, 2010. ,
DOI : 10.5194/acp-10-10503-2010
The BETHY/JSBACH Carbon Cycle Data Assimilation System: experiences and challenges, Journal of Geophysical Research: Biogeosciences, vol.26, issue.2, pp.1414-1426, 2013. ,
DOI : 10.1029/2011GB004185
URL : http://onlinelibrary.wiley.com/doi/10.1002/jgrg.20118/pdf