Aerosol Optical Thickness Measurement with Elevation-Scanning Lidar

Autor:	Pavel Ionov, Andrew K. Mollner
Rok vydání:	2015
Předmět:	Sun photometer Atmosphere Atmospheric Science Lidar Optics business.industry Linear regression Elevation Environmental science Ocean Engineering business Remote sensing Aerosol
Zdroj:	Journal of Atmospheric and Oceanic Technology. 32:1364-1371
ISSN:	1520-0426 0739-0572
DOI:	10.1175/jtech-d-14-00183.1
Popis:	High-accuracy measurement of aerosol optical thickness (AOT) τa with an elevation-scanning lidar is demonstrated and the results are compared with a collocated Cimel 318 sun photometer. Linear regression of the time-coincident data from a 2-week measurement campaign with the two instruments is found to be τalidar = (1.00 ± 0.17)τaphot + (0.025 ± 0.019) (1σ). The method proved to have sufficient accuracy to measure AOTs of 0.1–0.2 commonly seen in relatively clear atmosphere. The measurement is absolute and thus does not depend on any external calibration standards.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::ffc8f513150362fbf71e28fdbf868733 https://doi.org/10.1175/jtech-d-14-00183.1 Zobrazit plný text záznamu Plný text ve formátu PDF