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Analysis of Troposphere Carbon Dioxide in IRAQ from Atmosphere Infrared Sounder (AIRS) data: 2010-2011

Authors: Hussein Abdelwahab Mossa --- Hazim Saleh Ahmed --- Jasim Mohammed Rajab
Journal: Journal of University of Babylon مجلة جامعة بابل ISSN: 19920652 23128135 Year: 2012 Volume: 22 Issue: 1 Pages: 524-531
Publisher: Babylon University جامعة بابل

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Abstract

As the dominant anthropogenic greenhouse gas, Carbon Dioxide (CO2) is the most prominent Greenhouse gas in Earth's atmosphere and plays a key role in earth's climate. It’s resulting more than 50% of the global warming when all greenhouse gases (excepting water vapor) are added together. Since the dawn of the Industrial Revolution, its concentrations increased over 110 ppmv. The troposphere CO2 have been studied employing Atmosphere Infrared Sounder (AIRS), onboard NASA's Aqua Satellite, and data of CO2 emission in Iraq during the period 2010 – 2011. The analysis for five dispersed stations shows the seasonal variation in the CO2 fluctuated considerably observed between spring and autumn seasons. The mean and the standard deviation of monthly CO2 was (391.77±4.55 ppm) for the entire period. The CO2 in 2011 values was higher than its values in 2010 at all stations throughout the period. The highest value that occurred in this period was on March at Baghdad (396.32 ppm) and the lowest value was in September at Basra (387.22 ppm). Elevation in CO2 values can be observed throughout the year over the congested urban and Industrial area. The monthly CO2 maps for study area were obtained from the NASA-operated GIOVANNI portal (http://disc.sci.gsfc.nasa.gov/giovanni). The AIRS data and the Satellite measurements are able to measure the increase of the troposphere CO2 concentrations over different regions.

Keywords

- CO2 --- AIRS --- AMSU --- Iraq

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