National CO2 budgets (2015-2020) inferred from atmospheric CO2 observations in support of the global stocktake

被引：75

作者：

Byrne, Brendan ^{[1
]}

Baker, David F. ^{[2
]}

Basu, Sourish ^{[3
,4
]}

Bertolacci, Michael ^{[5
]}

Bowman, Kevin W. ^{[1
,6
]}

Carroll, Dustin ^{[1
,7
]}

Chatterjee, Abhishek ^{[1
]}

Chevallier, Frederic ^{[8
]}

Ciais, Philippe ^{[8
]}

Cressie, Noel ^{[1
,5
]}

Crisp, David ^{[1
]}

Crowell, Sean ^{[9
]}

Deng, Feng ^{[10
]}

Deng, Zhu ^{[11
]}

Deutscher, Nicholas M. ^{[12
]}

Dubey, Manvendra K. ^{[13
]}

Feng, Sha ^{[14
]}

Garcia, Omaira E. ^{[15
]}

Griffith, David W. T. ^{[12
]}

Herkommer, Benedikt ^{[16
]}

Hu, Lei ^{[17
,18
]}

Jacobson, Andrew R. ^{[17
,18
]}

Janardanan, Rajesh ^{[19
]}

Jeong, Sujong ^{[20
]}

Johnson, Matthew S. ^{[21
]}

Jones, Dylan B. A. ^{[10
]}

Kivi, Rigel ^{[22
]}

Liu, Junjie ^{[1
,23
]}

Liu, Zhiqiang ^{[24
]}

Maksyutov, Shamil ^{[19
]}

Miller, John B. ^{[17
]}

Miller, Scot M. ^{[25
]}

Morino, Isamu ^{[19
]}

Notholt, Justus ^{[26
]}

Oda, Tomohiro ^{[27
,28
]}

O'Dell, Christopher W. ^{[2
]}

Oh, Young-Suk ^{[29
]}

Ohyama, Hirofumi ^{[19
]}

Patra, Prabir K. ^{[30
]}

Peiro, Helene ^{[9
]}

Petri, Christof ^{[26
]}

Philip, Sajeev ^{[31
]}

Pollard, David F. ^{[32
]}

Poulter, Benjamin ^{[3
]}

Remaud, Marine ^{[8
]}

Schuh, Andrew ^{[2
]}

Sha, Mahesh K. ^{[33
]}

Shiomi, Kei ^{[34
]}

Strong, Kimberly ^{[10
]}

Sweeney, Colm ^{[17
]}

机构：

[1] CALTECH, Jet Prop Lab, Pasadena, CA 91125 USA

[2] Colorado State Univ, Cooperat Inst Res Atmosphere, Ft Collins, CO USA

[3] NASA Goddard Space Flight Ctr, Global Modeling & Assimilat Off, Greenbelt, MD USA

[4] Earth Syst Sci Interdisciplinary Ctr, College Pk, MD USA

[5] Univ Wollongong, Sch Math & Appl Stat, Wollongong, NSW, Australia

[6] Univ Calif Los Angeles, Joint Inst Reg Earth Syst Sci & Engn, Los Angeles, CA USA

[7] San Jose State Univ, Moss Landing Marine Labs, Moss Landing, CA USA

[8] Univ Paris Saclay, Lab Sci Climat & Environm, LSCE IPSL, CEA CNRS UVSQ, F-91191 Gif Sur Yvette, France

[9] Univ Oklahoma, GeoCarb Mission Collaborat, Norman, OK USA

[10] Univ Toronto, Dept Phys, Toronto, ON, Canada

[11] Tsinghua Univ, Dept Earth Syst Sci, Beijing, Peoples R China

[12] Univ Wollongong, Ctr Atmospher Chem, Sch Earth Atmospher & Life Sci, Wollongong, NSW, Australia

[13] Los Alamos Natl Lab, Earth Syst Observat, Los Alamos, NM USA

[14] Pacific Northwest Natl Lab, Atmospher Sci & Global Change Div, Richland, WA USA

[15] State Meteorol Agcy Spain AEMet, Izana Atmospher Res Ctr IARC, Tenerife, Spain

[16] Karlsruhe Inst Technol KIT, Inst Meteorol & Climate Res IMK ASF, Karlsruhe, Germany

[17] NOAA Global Monitoring Lab, Boulder, CO USA

[18] Univ Colorado Boulder, Cooperat Inst Res Environm Sci, Boulder, CO USA

[19] Natl Inst Environm Studies, Satellite Observat Ctr, Earth Syst Div, Tsukuba, Japan

[20] Seoul Natl Univ, Grad Sch Environm Studies, Dept Environm Planning, Seoul, South Korea

[21] NASA Ames Res Ctr, Earth Sci Div, Moffett Field, CA USA

[22] Finnish Meteorol Inst, Space & Earth Observat Ctr, Sodankyla, Finland

[23] CALTECH, Div Geol & Planetary Sci, Pasadena, CA USA

[24] Chinese Acad Sci, Inst Atmospher Phys, Lab Numer Modeling Atmospher Sci & Geophys Fluid D, Beijing, Peoples R China

[25] Johns Hopkins Univ, Dept Environm Hlth & Engn, Baltimore, MD USA

[26] Univ Bremen, Inst Environm Phys, Bremen, Germany

[27] Univ Space Res Assoc, Earth Space Inst, Washington, DC USA

[28] Univ Maryland, Dept Atmospher & Ocean Sci, College Pk, MD USA

[29] Natl Inst Meteorol Sci, Climate Res Dept, Global Atmosphere Watch Team, Seogwipo Si, Jeju Do, South Korea

[30] Japan Agcy Marine Earth Sci & Technol JAMSTEC, Res Inst Global Change, Yokohama, Japan

[31] Indian Inst Technol Delhi, Ctr Atmospher Sci, New Delhi, India

[32] Natl Inst Water & Atmospher Res Ltd NIWA, Lauder, New Zealand

[33] Royal Belgian Inst Space Aeron BIRA IASB, Brussels, Belgium

[34] Japan Aerosp Explorat Agcy JAXA, Tsukuba, Japan

[35] PSL Univ, Sorbonne Univ, Lab Etud Rayonnement & Matiere Astrophys & Atmosph, CNRS,Observ Paris, F-75005 Paris, France

[36] Auburn Univ, Coll Forestry Wildlife & Environm, Int Ctr Climate & Global Change Res, Auburn, AL USA

[37] Boston Coll, Schiller Inst Integrated Sci & Soc, Chestnut Hill, MA USA

[38] Boston Coll, Dept Earth & Environm Sci, Chestnut Hill, MA USA

[39] Deutsch Wetterdienst DWD, Hohenpeissenberg, Germany

[40] Cyprus Inst, Climate & Atmosphere Res Ctr CARE C, Nicosia, Cyprus

来源：

EARTH SYSTEM SCIENCE DATA | 2023年 / 15卷 / 02期

基金：

澳大利亚研究理事会; 美国海洋和大气管理局; 美国国家航空航天局;

关键词：

FOSSIL-FUEL CO2; ORBITING CARBON OBSERVATORY-2; GROSS PRIMARY PRODUCTION; EASTERN NORTH-AMERICA; COLUMN-AVERAGE CO2; GULF-OF-MEXICO; SURFACE-OCEAN; DATA ASSIMILATION; IN-SITU; ANTHROPOGENIC CHANGES;

D O I：

10.5194/essd-15-963-2023

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

Accurate accounting of emissions and removals of CO2 is critical for the planning and verification of emission reduction targets in support of the Paris Agreement. Here, we present a pilot dataset of country-specific net carbon exchange (NCE; fossil plus terrestrial ecosystem fluxes) and terrestrial carbon stock changes aimed at informing countries' carbon budgets. These estimates are based on top-down NCE outputs from the v10 Orbiting Carbon Observatory (OCO-2) modeling intercomparison project (MIP), wherein an ensemble of inverse modeling groups conducted standardized experiments assimilating OCO-2 column-averaged dry-air mole fraction (X-CO2) retrievals (ACOS v10), in situ CO2 measurements or combinations of these data. The v10 OCO-2 MIP NCE estimates are combined with bottom-up estimates of fossil fuel emissions and lateral carbon fluxes to estimate changes in terrestrial carbon stocks, which are impacted by anthropogenic and natural drivers. These flux and stock change estimates are reported annually (2015-2020) as both a global 1 degrees x 1 degrees gridded dataset and a country-level dataset and are available for download from the Committee on Earth Observation Satellites' (CEOS) website: https://doi.org/10.48588/npf6-sw92 (Byrne et al., 2022). Across the v10 OCO-2 MIP experiments, we obtain increases in the ensemble median terrestrial carbon stocks of 3.29-4.58 Pg CO2 yr(-1) (0.90-1.25 Pg C yr(-1)). This is a result of broad increases in terrestrial carbon stocks across the northern extra tropics, while the tropics generally have stock losses but with considerable regional variability and differences between v10 OCO-2 MIP experiments. We discuss the state of the science for tracking emissions and removals using top-down methods, including current limitations and future developments towards top-down monitoring and verification systems. (c) 2023. California Institute of Technology. Government sponsorship acknowledged.

引用

页码：963 / 1004

页数：42

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