Articles | Volume 21, issue 1
Atmos. Chem. Phys., 21, 217–238, 2021
https://doi.org/10.5194/acp-21-217-2021
Atmos. Chem. Phys., 21, 217–238, 2021
https://doi.org/10.5194/acp-21-217-2021

Research article 12 Jan 2021

Research article | 12 Jan 2021

A mass-weighted isentropic coordinate for mapping chemical tracers and computing atmospheric inventories

Yuming Jin et al.

Data sets

HIPPO MEDUSA Flask Sample Trace Gas And Isotope Data, Version 1.0 S. Wofsy, B. Daube, R. Jimenez, E. Kort, J. Pittman, S. Park, R. Commane, B. Xiang, G. Santoni, D. Jacob, J. Fisher, C. Pickett-Heaps, H. Wang, K. Wecht, Q. Wang, B. Stephens, S. Shertz, A. Watt, P. Romashkin, T. Campos, J. Haggerty, W. Cooper, D. Rogers, S. Beaton, R. Hendershot, J. Elkins, D. Fahey, R. Gao, F. Moore, S. Montzka, J. Schwarz, A. Perring, D. Hurst, B. Miller, C. Sweeney, S. Oltmans, D. Nance, E. Hintsa, G. Dutton, L. Watts, J. Spackman, K. Rosenlof, E. Ray, B. Hall, M. Zondlo, M. Diao, R. Keeling, J. Bent, E. Atlas, R. Lueb, and M. J. Mahoney https://doi.org/10.3334/CDIAC/HIPPO_014

HIPPO Merged 10-Second Meteorology, Atmospheric Chemistry, and Aerosol Data, Version 1.0 S. Wofsy, B. Daube, R. Jimenez, E. Kort, J. Pittman, S. Park, R. Commane, B. Xiang, G. Santoni, D. Jacob, J. Fisher, C. Pickett-Heaps, H. Wang, K. Wecht, Q. Wang, B. Stephens, S. Shertz, A. Watt, P. Romashkin, T. Campos, J. Haggerty, W. Cooper, D. Rogers, S. Beaton, R. Hendershot, J. Elkins, D. Fahey, R. Gao, F. Moore, S. Montzka, J. Schwarz, A. Perring, D. Hurst, B. Miller, C. Sweeney, S. Oltmans, D. Nance, E. Hintsa, G. Dutton, L. Watts, J. Spackman, K. Rosenlof, E. Ray, B. Hall, M. Zondlo, M. Diao, R. Keeling, J. Bent, E. Atlas, R. Lueb, and M. J. Mahoney https://doi.org/10.3334/CDIAC/HIPPO_010

ATom: Merged Atmospheric Chemistry, Trace Gases, and Aerosols S. C. Wofsy, S. Afshar, H. M. Allen, E. Apel, E. C. Asher, B. Barletta, J. Bent, H. Bian, B. C. Biggs, D. R. Blake, N. Blake, I. Bourgeois, C. A. Brock, W. H. Brune, J. W. Budney, T. P. Bui, A. Butler, P. Campuzano-Jost, C. S. Chang, M. Chin, R. Commane, G. Correa, J. D. Crounse, P. D. Cullis, B. C. Daube, D. A. Day, J. M. Dean-Day, J. E. Dibb, J. P. DiGangi, G. S. Diskin, M. Dollner, J. W. Elkins, F. Erdesz, A. M. Fiore, C. M. Flynn, K. D. Froyd, D. W. Gesler, S. R. Hall, T. F. Hanisco, R. A. Hannun, A. J. Hills, E. J. Hintsa, A. Hoffman, R. S. Hornbrook, L. G. Huey, S. Hughes, J. L. Jimenez, B. J. Johnson, J. M. Katich, R. F. Keeling, M. J. Kim, A. Kupc, L. R. Lait, J.-F. Lamarque, J. Liu, K. McKain, R. J. Mclaughlin, S. Meinardi, D. O. Miller, S. A. Montzka, F. L. Moore, E. J. Morgan, D. M. Murphy, L. T. Murray, B. A. Nault, J. A. Neuman, P. A. Newman, J. M. Nicely, X. Pan, W. Paplawsky, J. Peischl, M. J. Prather, D. J. Price, E. A. Ray, J. M. Reeves, M. Richardson, A. W. Rollins, K. H. Rosenlof, T. B. Ryerson, E. Scheuer, G. P. Schill, J. C. Schroder, J. P. Schwarz, J. M. St. Clair, S. D. Steenrod, B. B. Stephens, S. A. Strode, C. Sweeney, D. Tanner, A. P. Teng, A. B. Thames, C. R. Thompson, K. Ullmann, P. R. Veres, N. Vieznor, N. L. Wagner, A. Watt, R. Weber, B. Weinzierl, P. O. Wennberg, C. J. Williamson, J. C. Wilson, G. M. Wolfe, C. T. Woods, and L. H. Zeng https://doi.org/10.3334/ORNLDAAC/1581

Multi-laboratory compilation of atmospheric carbon dioxide data for the period 1957-2018; obspack_co2_1_GLOBALVIEWplus_v5.0_2019_08_12 Cooperative Global Atmospheric Data Integration Project https://doi.org/10.25925/20190812

Estimating CO2 sources and sinks from atmospheric mixing ratio measurements using a global inversion of atmospheric transport C. Rödenbeck https://doi.org/10.17871/CarboScope-s04oc_v4.3

θ-Mθe Lookup Table (ERA-Interim) (Version v1.0.0) Y. Jin https://doi.org/10.5281/zenodo.4420398

Model code and software

yumingjin0521/Mthetae: θ-Mθe Lookup Table Computation Method (Version v1.0.0) Y. Jin https://doi.org/10.5281/zenodo.4420417

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Short summary
We propose a new atmospheric coordinate (Mθe) based on equivalent potential temperature (θe) but with mass as the unit. This coordinate is useful in studying the spatial and temporal distribution of long-lived chemical tracers (CO2, CH4, O2 / N2, etc.) from sparse data, like airborne observation. Using this coordinate and sparse airborne observation (HIPPO and ATom), we resolve the Northern Hemisphere mass-weighted average CO2 seasonal cycle with high accuracy.
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