Recurrence Based Similarity Identification of Climate Data

Anita Bai, Swati Hira and S. Deshpande Parag

Discrete Dynamics in Nature and Society, 2017, vol. 2017, 1-21

Abstract:

Climate change has become a challenging and emerging research problem in many research related areas. One of the key parameters in analyzing climate change is to analyze temperature variations in different regions. The temperature variation in a region is periodic within the interval. Temperature variations, though periodic in nature, may vary from one region to another and such variations are mainly dependent on the location and altitude of the region and also on other factors like the nearness of sea and vegetation. In this paper, we analyze such periodic variations using recurrence plot (RP), cross recurrence plot (CRP), recurrence rate (RR), and correlation of probability of recurrence (CPR) methods to find similarities of periodic variations between and within climatic regions and to identify their connectivity trend. First, we test the correctness of our method by applying it on voice and heart rate data and then experimentation is performed on synthetic climate data of nine regions in the United States and eight regions in China. Finally, the accuracy of our approach is validated on both real and synthetic datasets and demonstrated using ANOVA, Kruskal–Wallis, and z -statistics significance tests.

Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnddns:7836720

DOI: 10.1155/2017/7836720

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