Orographic features of global atmospheric fair weather electrical parameters over different places of Sri Lanka

Sri Lankan Journal of Physics Pub Date : 2012-07-19 DOI:10.4038/SLJP.V13I1.2104

Deepti Saxena, R. Yadav, Adarsh Kumar

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引用次数: 4

Abstract

Altitude variation of fair weather atmospheric electrical parameters such as atmospheric conductivity, air-earth current density, electric field, and atmospheric potential have been analyzed over 210 different places of Sri Lanka when the fair weather conditions were being existed. Atmospheric electrical conductivity and current density on the surface of ground of hilly (high altitude) areas have been found to be increased with height from sea level, while constant value is observed for the electric field in all instants and atmospheric potential on surface of ground of hilly (high altitude) areas decreases with height from sea level (altitude) in Sri Lankan orography (This is not confused with the vertical upward variation at a particular place). Best fit regression lines along with the statistical parameters between the atmospheric electrical parameters and different heights from sea level have been utilized for the different orography of Sri Lanka when clean and clear atmosphere are being existed to verify the assumption of fair weather conditions. Keywords: Atmospheric conductivity; Electric field; Orography; Cosmic rays. DOI: http://dx.doi.org/10.4038/sljp.v13i1.2104 Sri Lankan Journal of Physics, Vol. 13(1) (2012) 09-16

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斯里兰卡不同地区全球大气晴朗天气电参数的地形特征

分析了斯里兰卡210多个不同地区在晴天条件存在时大气电导率、气地电流密度、电场和大气电势等晴天大气电参数的高度变化。发现丘陵(高海拔)地区地表大气电导率和电流密度随海拔高度的增加而增加，而在斯里兰卡地形中，电场在所有时刻都是恒定的，丘陵(高海拔)地区地表大气电势随海拔高度的增加而减少(这与特定地方垂直向上的变化不相混淆)。利用斯里兰卡不同地形在清洁和清澈大气条件下的最佳拟合回归线以及大气电性参数与海平面不同高度之间的统计参数，验证了公平天气条件的假设。关键词:大气电导率;电场;山岳志;宇宙射线。DOI: http://dx.doi.org/10.4038/sljp.v13i1.2104斯里兰卡物理杂志，Vol. 13(1) (2012) 09-16

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Sri Lankan Journal of Physics

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