Backscatter radar-lidar ratios for sizing ice crystals of cirrus clouds

V. Shishko; A. Konoshonkin; N. Kustova; A. Kozodoev; A. Borovoi

doi:10.1117/12.2573407

20 September 2020 Backscatter radar-lidar ratios for sizing ice crystals of cirrus clouds

V. Shishko, A. Konoshonkin, N. Kustova, A. Kozodoev, A. Borovoi

Proceedings Volume 11531, Remote Sensing of Clouds and the Atmosphere XXV; 115310R (2020) https://doi.org/10.1117/12.2573407
Event: SPIE Remote Sensing, 2020, Online Only

Conference Poster

Abstract

Cirrus clouds consisting mainly of ice crystals are important components of the atmosphere which essentially modulate the radiative budget of the Earth. Until now, the microphysical properties (i.e., size and shape) of the ice crystals, as well as their number density are poorly known because of their great variability in time and space and difficulties of field measurements. At present, cirrus clouds are widely studied by various ground-based, airborne and spaceborne instruments. Among such instruments, lidars and radars are promising devices providing active remote sensing of the clouds. In the report, we present the results of the calculations the radar-lidar ratio explicitly at a reasonable model for the size and shapes of the cirrus ice crystals using the physical-optics approximation. We show that it is the radar-lidar ratio that is mainly informative for retrieving crystal sizes. Also, we calculate the depolarization ratios for both lidar and radar. We obtain that the lidar depolarization ratio is effective for estimating crystal shapes in cirrus clouds. Such data would be useful for interpreting any data obtained simultaneously by radars and lidars.

Citation Download Citation

V. Shishko, A. Konoshonkin, N. Kustova, A. Kozodoev, and A. Borovoi "Backscatter radar-lidar ratios for sizing ice crystals of cirrus clouds", Proc. SPIE 11531, Remote Sensing of Clouds and the Atmosphere XXV, 115310R (20 September 2020); https://doi.org/10.1117/12.2573407

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