Scaling and nonlinear behaviour of daily mean temperature time series across India

作者: Rajdeep Ray , Mofazzal Hossain Khondekar , Koushik Ghosh , Anup Kumar Bhattacharjee

DOI: 10.1016/J.CHAOS.2015.12.016

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摘要: Abstract In order to ascertain the dynamics of temperature variation in India, scaling properties daily mean time series obtained from seven different weather stations viz. Kolkata, Chennai, New Delhi, Mumbai, Bhopal, Agartala and Ahmadabad representing geographical zones India has been studied. Scaling profile across estimated calculation Hurst-Exponent parameter five methods. Hurst Exponent values confirm that all are Fractional Brownian Motion (FBM), statistically self-affine, anti-persistent Short Range Dependent (SRD) self similar. As SRD similarity is a common signature nonlinear dynamical process, further investigation made discover presence any behaviour Indian climate using Delay Vector Variance (DVV) method present confirms deterministic same.

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