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Trends In Climate Change

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Climate change in terms of temperature variability is measured to be the greatest challenge faced by people in the 21st century. It is necessary to analyse and predict the change in climatic variables like temperature, which will provide valuable reference for future water resources planning and management in the region (Chan et al., 2013) . In particular, there is increasing interest in information more about the frequency and intensity of extreme events that happen as a result of climate change (Brown et al., 1991) [ ].Single extreme events and increased climate contradiction are believed to have a greater impact than long-term changes in the mean of climatic variables (Fischer et al., 2009; Schar et al., 2004) [ & ].Climate change analysis …show more content…

The Mann–Kendall non-parametric test would moreover confirm the existence of a positive or negative trend for a given confidence level. Trends are analysed both at the annual and at the seasonal scale (Longobardi et al., 2010) .Another alternative is to analyze future climate change through projecting future climate change under different emission scenarios based on global climate models (GCMs).GCMs are an important tool to estimate the future climate changes, but the information they provide remains relatively coarse in resolution (Chiew et al., 2010 ; Siva Kumar, 2011 ). GCMs use observed data to project future climate models in large scale, and describe the causes and effects of climate change. GCMs have been used by many researchers to predict changes in climate parameters (Hashmi et al., 2011) .As per the IPCC 4th assessment report, continues increase in global average temperatures since the mid-20th century is very likely due to the observed increase in anthropogenic greenhouse gas concentrations (Kirtman et al., 2013) [ ] and indicates that the Earth could warm by 3°C by …show more content…

The description of the latest version of LARS-WG5 and its capabilities is given in Semenov and Stratonovitch (2010) . LARS-WG5 has an additional advantage: it incorporates climate projections from 15 GCMs for three SRES scenarios used in the IPCC-AR4.LARS-WG5 was used in the present study to predict the future projection of temperature (daily maximum and minimum) in the arid climate of Rajasthan. To our knowledge, LARS-WG has not been applied for Rajasthan region before. Therefore, this study may also be viewed as an illustration of the application of LARS-WG in the Rajasthan region. Through analyzing the trend, decision makers can make strong decisions by learning from the

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