Articles | Volume 20, issue 1
Atmos. Chem. Phys., 20, 345–374, 2020
https://doi.org/10.5194/acp-20-345-2020

Special issue: The SPARC Reanalysis Intercomparison Project (S-RIP) (ACP/ESSD...

Atmos. Chem. Phys., 20, 345–374, 2020
https://doi.org/10.5194/acp-20-345-2020

Research article 10 Jan 2020

Research article | 10 Jan 2020

Surface temperature response to the major volcanic eruptions in multiple reanalysis data sets

Masatomo Fujiwara et al.

Data sets

ERA-40, Monthly Means of Daily Means ECMWF https://apps.ecmwf.int/datasets/data/era40-moda/levtype=sfc/

ERA Interim, Monthly Means of Daily Means ECMWF http://apps.ecmwf.int/datasets/data/interim-full-moda/levtype=sfc/

Japanese 25-year Reanalysis Project, Monthly Means Central Research Institute of Electric Power Industry/Japan, and Japan Meteorological Agency/Japan https://doi.org/10.5065/G3AR-1091

MERRA-2 tavgM_2d_slv_Nx: 2d GMAO (Global Modeling and Assimilation Office) https://doi.org/10.5067/AP1B0BA5PD2K

NOAA Extended Reconstructed Sea Surface Temperature (ERSST), Version 5. Boyin Huang, Peter W. Thorne, Viva F. Banzon, Tim Boyer, Gennady Chepurin, Jay H. Lawrimore, Matthew J. Menne, Thomas M. Smith, Russell S. Vose, and Huai-Min Zhang https://doi.org/10.7289/V5T72FNM

GES DISC GMAO (Global Modeling and Assimilation Office) https://disc.gsfc.nasa.gov/daac-bin/FTPSubset.pl?LOOKUPID_List=MATMNXSLV

Monthly ERSSTv5, 1981–2010 base period NOAA http://www.cpc.ncep.noaa.gov/data/indices/

Penticton/Ottawa 2800 MHz Solar Flux NOAA https://www.ngdc.noaa.gov/stp/solar/flux.html

20th Century Reanalysis V2c data NOAA/OAR/ESRL PSD https://www.esrl.noaa.gov/psd/data/gridded/data.20thC_ReanV2c.html

CERA-20C, Monthly Means of Daily Means ECMWF http://apps.ecmwf.int/datasets/data/cera20c-edmo/levtype=sfc/type=an/

JRA-55 Japan Meteorological Agency https://jra.kishou.go.jp/JRA-55/index_en.html

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Short summary
The global response of surface air temperature (SST) to the eruptions of Mount Agung in 1963, El Chichón in 1982, and Mount Pinatubo in 1991 is investigated using 11 global atmospheric reanalysis data sets. Multiple linear regression is applied, with a set of climatic indices orthogonalized, and the residuals are investigated. It is found that careful treatment of tropical SST variability is necessary to evaluate the surface response to volcanic eruptions in observations and reanalyses.
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