A comparative study on orographic and latitudinal features of global atmospheric electrical parameters over different places at three Asian countries

Abstract

Some global atmospheric electrical parameters like atmospheric conductivity, air-earth current density, electric field, atmospheric potential, etc. have been estimated over different places of India, China and Korea of Asian continent. These calculations have been made by assuming fair weather conditions and taking into account the small scale (0.5° grid in latitude and longitude) orographic and latitudinal effects. Mean values of conductivity and air-earth current density over various places of India, China and Korea have been found to be 5.97 × 10⁻¹⁴, 5.46 × 10⁻¹⁴, 2.82 × 10⁻¹⁴ S m⁻¹ and 6.58 × 10⁻¹², 6.04 × 10⁻¹², 3.16 × 10⁻¹² A m⁻², respectively whereas average electric field and atmospheric potential over these places are 110.9, 110.81, 112.08 V m⁻¹ and 269.52, 272.90, 286.64 kV, respectively. It has been found from the results that latitudinal variation is very much smaller than orographic variation over these three countries of Asian region.