3 May 2016 An automated fog monitoring system for the Indo-Gangetic Plains based on satellite measurements
Author Affiliations +
Fog is a meteorological phenomenon that causes reduction in regional visibility and affects air quality, thus leading to various societal and economic implications, especially disrupting air and rail transportation. The persistent and widespread winter fog impacts the entire the Indo-Gangetic Plains (IGP), as frequently observed in satellite imagery. The IGP is a densely populated region in south Asia, inhabiting about 1/6th of the world’s population, with a strong upward pollution trend. In this study, we have used multi-spectral radiances and aerosol/cloud retrievals from Terra/Aqua MODIS data for developing an automated web-based fog monitoring system over the IGP. Using our previous and existing methodologies, and ongoing algorithm development for the detection of fog and retrieval of associated microphysical properties (e.g. fog droplet effective radius), we characterize the widespread fog detection during both daytime and nighttime. Specifically, for the night time fog detection, the algorithm employs a satellite-based bi-spectral brightness temperature difference technique between two spectral channels: MODIS band-22 (3.9μm) and band-31 (10.75μm). Further, we are extending our algorithm development to geostationary satellites, for providing continuous monitoring of the spatial-temporal variation of fog. We anticipate that the ongoing and future development of a fog monitoring system would be of assistance to air, rail and vehicular transportation management, as well as for dissemination of fog information to government agencies and general public. The outputs of fog detection algorithm and related aerosol/cloud parameters are operationally disseminated via http://fogsouthasia.com/.
© (2016) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Dinesh Patil, Dinesh Patil, Reema Chourey, Reema Chourey, Sarwar Rizvi, Sarwar Rizvi, Manoj Singh, Manoj Singh, Ritesh Gautam, Ritesh Gautam, "An automated fog monitoring system for the Indo-Gangetic Plains based on satellite measurements", Proc. SPIE 9882, Remote Sensing and Modeling of the Atmosphere, Oceans, and Interactions VI, 988226 (3 May 2016); doi: 10.1117/12.2228006; https://doi.org/10.1117/12.2228006


New results from ADEOS-II/GLI
Proceedings of SPIE (February 01 2004)
Synthetic monitoring of Asian dust from space, ground and or...
Proceedings of SPIE (September 29 2009)

Back to Top