Aerosol impacts on the atmospheric circulation field over Asia

M. Nakata

doi:10.1117/12.2324284

23 October 2018 Aerosol impacts on the atmospheric circulation field over Asia

M. Nakata

Proceedings Volume 10782, Remote Sensing and Modeling of the Atmosphere, Oceans, and Interactions VII; 107820M (2018) https://doi.org/10.1117/12.2324284
Event: SPIE Asia-Pacific Remote Sensing, 2018, Honolulu, Hawaii, United States

Abstract

Aerosols affect the earth’s radiation budget directly by scattering and absorbing solar radiation. In addition, aerosols may act as cloud condensation nuclei and ice nuclei, which then modify the radiative properties of clouds. Asia constitutes the largest aerosol loading worldwide. Moreover, aerosol distributions in Asia are complicated, as they are influenced by various sources. The major source of anthropogenic aerosols, such as sulfates and carbonaceous aerosols, is fuel combustion. Fuel combustion has increased since the mid-20th century in Asia. In general, aerosols exhibit remarkable effects near sources since their atmospheric lifespans are short. This suggests that aerosol impacts on climate are large over Asia. In this study, we investigated the response of aerosols over Asia to climate using model simulations. Our results indicate that aerosols reduce solar radiation and impose negative radiative forcing near the surface. Because cloud change is complicated, aerosols change cloud radiative properties, with positive or negative radiative forcing occurring near the surface. Changes in the radiation budget lead to temperature changes, which in turn influence precipitation.

Citation Download Citation

M. Nakata "Aerosol impacts on the atmospheric circulation field over Asia", Proc. SPIE 10782, Remote Sensing and Modeling of the Atmosphere, Oceans, and Interactions VII, 107820M (23 October 2018); https://doi.org/10.1117/12.2324284

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available