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Browsing by Author "Botai, OJ"

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Assessing the degree of synchronization between geophysical records using the method of instantaneous phase differences

Author: Botai, OJ ; Combrinck, WL ; Sivakumar, V Date: Sep 2009 Recovering geodetic parameters such as tropospheric delay and geodetic site positions and monitoring their variations in time has important applications for studying the processes of the dynamic earth. Geodetic position time series exhibit ... Read more
Mean ozone and water vapour height profiles for Southern hemisphere region using radiosonde or ozonesonde and haloe satelite data

Author: Sivakumar, V ; Gizaw Mengistu, DT ; Botai, OJ Date: 2009 The aim of this work is to construct a model (mean) profile for ozone and water vapor in Southern hemisphere latitude using 14 years (1993-2006) of Halogen Occultation Experiment (HALOE) satellite data and about 10 years (1998-2007) of the ... Read more
Multi-scale organization of water vapor over low and mid-tropical Africa

Author: Botai, OJ ; Sivakumar, V ; Combrinck, CL ; Rautenbach, CJD Date: 2009 In this study, data from the Southern Hemisphere ADditional OZonesondes (SHADOZ) are used to compute the spatially averaged water vapour (WVg) over low and mid-tropical Africa. Based on the SHADOZ stations, reanalysis data from the National ... Read more

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Browsing by Author "Botai, OJ"

Browsing by Author "Botai, OJ"

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