Climatic changes of Rajshahi since 1972

Abstract

The study was carried out to examine the climatic change, causes, impacts, environmental effects and a survey was conducted to asses the environmental hazards in human life , animals, agricultural patterns etc .The secondary data analysis in Rajshahi station during the period of 39 (thirty nine) years since 1972- 2010. The first chapter points out the issues of the research and its background, and formulates research questions and objectives. Scope, limitations and utility of the present research have been stated here. Available literature has been reviewed here to identify research questions and to rationalize the study. This study deals with the introducing about the global and local climatic changing patterns. Causes, impacts and climatic background have been discussed briefly in chapter two. Especially, it reveals the climatic feature of Rajshahi district and various tables, figures have been presented in chapter three. The forth chapter discusses the research methods and the data sources required for this study. Primary data have been collected from respondents through questionnaire survey, face-to-face interview, and observations. And secondary data have been collected through document analysis from different books, journals, websites and so on. Sample size is 3 88 households where 50 are highly educated, teachers, specialists, officials etc. Random sampling procedure is used to select study respondents from rural and urban. Make a questionnaire surveys and interviews, observing rural and urban area are discussed in this chapter. The data obtained from the secondary sources have been analyzed and mathematically represented in the fifth chapter. Collected data have been presented in different ways. Here we develop various mathematical formulas to predict of different climatic parameters in Rajshahi station, which may be taken model equations for prediction. Some of the parameters have been put into tables and some have been presented in bar-diagrams and pie charts. Chapter six deals with the discussions of causes of climatic elements change. Mainly, we discuss about causes of climatic elements change in Rajshahi district. It includes, Farakka Barrage of upstream of the Padma River and local people opinion about climatic elements change. Also, this study deals with introducing consequences of climatic elements change which have been discussed briefly in chapter six. We discuss various impact of climatic change on crops, trees, surface water, ground water, river, ponds, ditches etc. Local people opinions and influence of Farakka Barrage have been discussed briefly in this chapter. In chapter seven we discuss about strategy and policy which should take in this area. Conclusions have been drawn in chapter eight. Also we cite findings and recommendation of this thesis works. Some hints for further study have been added for future researchers of this field.