alexa Impact of Land-Sea Breeze and Rainfall on CO2 Variation
ISSN: 2157-7617

Journal of Earth Science & Climatic Change
Open Access

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Research Article

Impact of Land-Sea Breeze and Rainfall on CO2 Variations at a Coastal Station

Mahesh P1*, Sharma N1, Dadhwal VK1, Rao PVN1, Apparao BV2, Ghosh AK2, Mallikarjun K1 and Ali MM1
1National Remote Sensing Centre, Balanagar, Hyderabad-500037, India
2Met Facility, Satish Dhawan Space Centre, SHAR, Sriharikota, India
Corresponding Author : Mahesh P
National Remote Sensing Centre
Balanagar, Hyderabad-500037, India
Tel: +91-40-23884231
E-mail: [email protected]
Received April 17, 2014; Accepted May 16, 2014; Published June 20, 2014
Citation: Mahesh P, Sharma N, Dadhwal VK, Rao PVN, Apparao BV, et al. (2014) Impact of Land-Sea Breeze and Rainfall on CO2 Variations at a Coastal Station. J Earth Sci Clim Change 5:201. doi: 10.4172/2157-7617.1000201
Copyright: © 2014 Mahesh P, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
 

Abstract

Carbon dioxide (CO2) observations collected at 5 min interval at Sriharikota during October 2011-January 2012 from the Vaisala GMP-343 sensor were averaged on an hourly basis. The baseline of atmospheric CO2 during study period is 382 ppm. Minimum (maximum) mixing ratios was observed during the afternoon (night times) indicating the role of photosynthetic activity and the atmospheric boundary on this parameter. Sriharikota being a coastal station, the land and sea breezes mainly control CO2 mixing ratios. The correlation between CO2 and the wind speed is significantly less during sea breeze than during land breeze in October, compared to other months, where the correlations are more during sea breeze. The less correlation during sea breeze in October is due to the heavy rainfall in this month during daytime.

 

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