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Effects of annular solar eclipse of 15 January 2010 on meteorological parameters in the 0 to 65 km region over Thumba, India

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Surface meteorological observations along with high altitude balloon and rocket flights provided various meteorological parameters in the 0 to 65 km height region, (over the peninsular Indian coastal station Thumba) which could be utilized to investigate variations associated with the annular solar eclipse of 15 January 2010. Parameters like surface and soil temperature, relative humidity, sunshine duration, turbulence, surface scalar wind speed and direction were analysed to look into the solar eclipse induced perturbations. Surface and soil temperature dip, diminished surface layer turbulence, reduction of surface wind speed and veering in wind direction, temperature increase in the stratospheric levels, Atmospheric Boundary Layer (ABL) relative humidity hike, wind enhancements at different heights, tropospheric wind shear reduction and ozone decrease are the prominent features observed from the present study.

Bodenbeobachtungen zusammen mit Ballonaufstiegen und Raketenflügen liefern verschiedene meteorologische Parameter bis in 65 km Höhe über der indischen Küstenstation Thumba, welche benutzt werden, den Einfluss einer ringförmigen Sonnenfinsternis am 15. Januar 2010 zu untersuchen. Variable wie Oberflächen- und Bodentemperatur, relative Feuchte, Sonnenscheindauer, Turbulenz und windgeschwindigkeit und -richtung werden hierzu untersucht. Auffallende Effekte, die beobachtet wurden, sind Abnahmen der Oberflächen- und Bodentemperatur, verringerte bodennahe Turbulenz, verringerte Bodenwindgeschwindigkeit und Winddrehungen, Temperaturanstieg in der Stratosphäre, Anstieg der Feuchte in der Grenzschicht, Windzunahmen in verschiedenen Höhen, reduzierte troposphärische Windscherung und Ozonabbau.

Document Type: Research Article


Publication date: 2011-12-01

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  • Meteorologische Zeitschrift (originally founded in 1866) is the joint periodical of the meteorological societies of Austria, Germany and Switzerland. It accepts high-quality peer-reviewed manuscripts on all aspects of observational, theoretical and computational research out of the entire field of meteorology, including climatology. Meteorologische Zeitschrift represents a natural forum for the meteorological community of Central Europe and worldwide.
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