Comparison of Satellite Data and Ground Based Weather Data in Masvingo, Zimbabwe

Simba Farai Malvern and Chiturumani Maurice
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Chiturumani Maurice: Department of Physics, Geography and Environmental Science, Great Zimbabwe University, Africa

International Journal of Environmental Sciences & Natural Resources, 2018, vol. 8, issue 4, 102-107

Abstract: Recording of weather data is important in any economy and providing accurate data sets is critical in modelling and research work. A comparison of satellite data and ground based weather data offers an opportunity to increase useful and accurate weather data. The study compares rainfall and temperature data at GZU, obtained from an automated weather station and Mesa satellite earth station. All of the comparisons are based on daily rainfall totals and maximum temperatures, as the season of 2016/2017 had significant rains and marked maximum temperatures. The comparisons are based on visual interpretations of the time series of diurnal rainfalls, as well as simple statistics (R2 and slope) of the best fit linear regression line between the time series pairs. There is a marked similarity in temperature and rainfall trend patterns of the two, with ground based data leading satellite data by a marked 2-4 days difference. However the regression analysis for both temperature and rainfall gave R2 values of 0.0241 and 0.0016 respectively.

Keywords: earth and environment journals; environment journals; open access environment journals; peer reviewed environmental journals; open access; juniper publishers; ournal of Environmental Sciences; juniper publishers journals; juniper publishers reivew (search for similar items in EconPapers)
Date: 2018
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:adp:ijesnr:v:8:y:2018:i:4:p:102-107

DOI: 10.19080/IJESNR.2018.08.555739

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