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Ground-Based Aerosol Optical Depth Measurement Using Sunphotometers

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Ground-Based Aerosol Optical Depth Measurement Using Sunphotometers Synopsis

This book gives a detailed review on ground-based aerosol optical depth measurement with emphasis on the calibration issue. The review is written in chronological sequence to render better comprehension on the evolution of the classical Langley calibration from the past to present. It not only compiles the existing calibration methods but also presents a novel calibration algorithm in Langley sun-photometry over low altitude sites which conventionally is a common practice performed at high observatory stations. The proposed algorithm avoids travelling to high altitudes for frequent calibration that is difficult both in logistics and financial prospects. We addressed the problem by combining clear-sky detection model and statistical filter to strictly imitate the ideal clear-sky condition at high altitude for measurements taken over low altitudes. In this way, the possible temporal atmospheric drifts, abundant aerosol loadings and short time interval cloud transits are properly constrained. We believe that this finding has an integral part of practicality and versatility in ground-based aerosol optical depth measurement, which is nowadays an important climate agent in many atmospheric studies. Finally, the outcome of this book introduces a new calibration technique for the study and measurement of aerosol monitoring with emphasis on aerosol optical depth that we believe could be very beneficial to researchers and scientists in the similar area.

About This Edition

ISBN: 9789812871008
Publication date: 12th August 2014
Author: Jedol Dayou, Jackson Hian Wui Chang, Justin Sentian
Publisher: Springer an imprint of Springer Nature Singapore
Format: Paperback
Pagination: 62 pages
Series: SpringerBriefs in Applied Sciences and Technology
Genres: Meteorology and climatology
Pollution and threats to the environment
Scientific standards, measurement etc