Global and Arctic effective radiative forcing of anthropogenic gases and aerosols in MRI-ESM2.0
Abstract The effective radiative forcing (ERF) of anthropogenic gases and aerosols under present-day conditions relative to preindustrial conditions is estimated using the Meteorological Research Institute Earth System Model version 2.0 (MRI-ESM2.0) as part of the Radiative Forcing Model Intercompar...
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ftdatacite:10.6084/m9.figshare.c.5088291 2023-05-15T13:11:27+02:00 Global and Arctic effective radiative forcing of anthropogenic gases and aerosols in MRI-ESM2.0 Oshima, Naga Yukimoto, Seiji Deushi, Makoto Koshiro, Tsuyoshi Kawai, Hideaki Taichu Y. Tanaka Yoshida, Kohei 2020 https://dx.doi.org/10.6084/m9.figshare.c.5088291 https://springernature.figshare.com/collections/Global_and_Arctic_effective_radiative_forcing_of_anthropogenic_gases_and_aerosols_in_MRI-ESM2_0/5088291 unknown figshare https://dx.doi.org/10.1186/s40645-020-00348-w Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 CC-BY 29999 Physical Sciences not elsewhere classified FOS Physical sciences Molecular Biology 59999 Environmental Sciences not elsewhere classified FOS Earth and related environmental sciences 39999 Chemical Sciences not elsewhere classified FOS Chemical sciences 20199 Astronomical and Space Sciences not elsewhere classified Cancer Collection article 2020 ftdatacite https://doi.org/10.6084/m9.figshare.c.5088291 https://doi.org/10.1186/s40645-020-00348-w 2021-11-05T12:55:41Z Abstract The effective radiative forcing (ERF) of anthropogenic gases and aerosols under present-day conditions relative to preindustrial conditions is estimated using the Meteorological Research Institute Earth System Model version 2.0 (MRI-ESM2.0) as part of the Radiative Forcing Model Intercomparison Project (RFMIP) and Aerosol and Chemistry Model Intercomparison Project (AerChemMIP), endorsed by the sixth phase of the Coupled Model Intercomparison Project (CMIP6). The global mean total anthropogenic net ERF estimate at the top of the atmosphere is 1.96 W m−2 and is composed primarily of positive forcings due to carbon dioxide (1.85 W m−2), methane (0.71 W m−2), and halocarbons (0.30 W m−2) and negative forcing due to the total aerosols (− 1.22 W m−2). The total aerosol ERF consists of 23% from aerosol-radiation interactions (− 0.32 W m−2), 71% from aerosol-cloud interactions (− 0.98 W m−2), and slightly from surface albedo changes caused by aerosols (0.08 W m−2). The ERFs due to aerosol-radiation interactions consist of opposing contributions from light-absorbing black carbon (BC) (0.25 W m−2) and from light-scattering sulfate (− 0.48 W m−2) and organic aerosols (− 0.07 W m−2) and are pronounced over emission source regions. The ERFs due to aerosol-cloud interactions (ERFaci) are prominent over the source and downwind regions, caused by increases in the number concentrations of cloud condensation nuclei and cloud droplets in low-level clouds. Concurrently, increases in the number concentration of ice crystals in high-level clouds (temperatures < –38 °C), primarily induced by anthropogenic BC aerosols, particularly over tropical convective regions, cause both substantial negative shortwave and positive longwave ERFaci values in MRI-ESM2.0. These distinct forcings largely cancel each other; however, significant longwave radiative heating of the atmosphere caused by high-level ice clouds suggests the importance of further studies on the interactions of aerosols with ice clouds. Total anthropogenic net ERFs are almost entirely positive over the Arctic due to contributions from the surface albedo reductions caused by BC. In the Arctic, BC provides the second largest contribution to the positive ERFs after carbon dioxide, suggesting a possible important role of BC in Arctic surface warming. Article in Journal/Newspaper albedo Arctic black carbon DataCite Metadata Store (German National Library of Science and Technology) Arctic |
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DataCite Metadata Store (German National Library of Science and Technology) |
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unknown |
topic |
29999 Physical Sciences not elsewhere classified FOS Physical sciences Molecular Biology 59999 Environmental Sciences not elsewhere classified FOS Earth and related environmental sciences 39999 Chemical Sciences not elsewhere classified FOS Chemical sciences 20199 Astronomical and Space Sciences not elsewhere classified Cancer |
spellingShingle |
29999 Physical Sciences not elsewhere classified FOS Physical sciences Molecular Biology 59999 Environmental Sciences not elsewhere classified FOS Earth and related environmental sciences 39999 Chemical Sciences not elsewhere classified FOS Chemical sciences 20199 Astronomical and Space Sciences not elsewhere classified Cancer Oshima, Naga Yukimoto, Seiji Deushi, Makoto Koshiro, Tsuyoshi Kawai, Hideaki Taichu Y. Tanaka Yoshida, Kohei Global and Arctic effective radiative forcing of anthropogenic gases and aerosols in MRI-ESM2.0 |
topic_facet |
29999 Physical Sciences not elsewhere classified FOS Physical sciences Molecular Biology 59999 Environmental Sciences not elsewhere classified FOS Earth and related environmental sciences 39999 Chemical Sciences not elsewhere classified FOS Chemical sciences 20199 Astronomical and Space Sciences not elsewhere classified Cancer |
description |
Abstract The effective radiative forcing (ERF) of anthropogenic gases and aerosols under present-day conditions relative to preindustrial conditions is estimated using the Meteorological Research Institute Earth System Model version 2.0 (MRI-ESM2.0) as part of the Radiative Forcing Model Intercomparison Project (RFMIP) and Aerosol and Chemistry Model Intercomparison Project (AerChemMIP), endorsed by the sixth phase of the Coupled Model Intercomparison Project (CMIP6). The global mean total anthropogenic net ERF estimate at the top of the atmosphere is 1.96 W m−2 and is composed primarily of positive forcings due to carbon dioxide (1.85 W m−2), methane (0.71 W m−2), and halocarbons (0.30 W m−2) and negative forcing due to the total aerosols (− 1.22 W m−2). The total aerosol ERF consists of 23% from aerosol-radiation interactions (− 0.32 W m−2), 71% from aerosol-cloud interactions (− 0.98 W m−2), and slightly from surface albedo changes caused by aerosols (0.08 W m−2). The ERFs due to aerosol-radiation interactions consist of opposing contributions from light-absorbing black carbon (BC) (0.25 W m−2) and from light-scattering sulfate (− 0.48 W m−2) and organic aerosols (− 0.07 W m−2) and are pronounced over emission source regions. The ERFs due to aerosol-cloud interactions (ERFaci) are prominent over the source and downwind regions, caused by increases in the number concentrations of cloud condensation nuclei and cloud droplets in low-level clouds. Concurrently, increases in the number concentration of ice crystals in high-level clouds (temperatures < –38 °C), primarily induced by anthropogenic BC aerosols, particularly over tropical convective regions, cause both substantial negative shortwave and positive longwave ERFaci values in MRI-ESM2.0. These distinct forcings largely cancel each other; however, significant longwave radiative heating of the atmosphere caused by high-level ice clouds suggests the importance of further studies on the interactions of aerosols with ice clouds. Total anthropogenic net ERFs are almost entirely positive over the Arctic due to contributions from the surface albedo reductions caused by BC. In the Arctic, BC provides the second largest contribution to the positive ERFs after carbon dioxide, suggesting a possible important role of BC in Arctic surface warming. |
format |
Article in Journal/Newspaper |
author |
Oshima, Naga Yukimoto, Seiji Deushi, Makoto Koshiro, Tsuyoshi Kawai, Hideaki Taichu Y. Tanaka Yoshida, Kohei |
author_facet |
Oshima, Naga Yukimoto, Seiji Deushi, Makoto Koshiro, Tsuyoshi Kawai, Hideaki Taichu Y. Tanaka Yoshida, Kohei |
author_sort |
Oshima, Naga |
title |
Global and Arctic effective radiative forcing of anthropogenic gases and aerosols in MRI-ESM2.0 |
title_short |
Global and Arctic effective radiative forcing of anthropogenic gases and aerosols in MRI-ESM2.0 |
title_full |
Global and Arctic effective radiative forcing of anthropogenic gases and aerosols in MRI-ESM2.0 |
title_fullStr |
Global and Arctic effective radiative forcing of anthropogenic gases and aerosols in MRI-ESM2.0 |
title_full_unstemmed |
Global and Arctic effective radiative forcing of anthropogenic gases and aerosols in MRI-ESM2.0 |
title_sort |
global and arctic effective radiative forcing of anthropogenic gases and aerosols in mri-esm2.0 |
publisher |
figshare |
publishDate |
2020 |
url |
https://dx.doi.org/10.6084/m9.figshare.c.5088291 https://springernature.figshare.com/collections/Global_and_Arctic_effective_radiative_forcing_of_anthropogenic_gases_and_aerosols_in_MRI-ESM2_0/5088291 |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
albedo Arctic black carbon |
genre_facet |
albedo Arctic black carbon |
op_relation |
https://dx.doi.org/10.1186/s40645-020-00348-w |
op_rights |
Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.6084/m9.figshare.c.5088291 https://doi.org/10.1186/s40645-020-00348-w |
_version_ |
1766247447648010240 |