The Study of the Effective Bioclimatic Indexes on Assessing Human Comfort (A Case Study of Behbahan)

Recognition of natural potentials as the basis of human activities forms the foundation of the environmental planning and arrangement. In this regard the climate characteristics and its factors have an essential role in the spatial dispersion and forming environmental activities of human societies, as today's studies and surveys on human being are the bases of urban, developmental, residential, architecture, tourism planning. In this study, man’s comfort or discomfort in Behbahan has been studied based on the existing living climate models and bioclimatic indexes of Beiker, Terjong, stress  and TCI have all been studied using the statistical data during 20 years (1994 - 2013), and is the best time for doing  the  environmental  and  tourism  activities  in  this  city were determined. The results showed that wind chill index has not been based on the climatic activities. The other bioclimatic indexes which were used in the study were the ability of showing comfortable and discomfortable periods of Behbahan which in spite of few differences, they show the similar pictures of the city’s climate comfort .The study showed  that  Behbahan  with  bioclimatic variety  during  the year has both warm and very  cool weather. There is not good comfort in the last month of spring and during summer in this city. When autumn finishes and the weather becomes cool (November and December) or when later it starts to become warm (March), Behbahan has a more comfortable condition for people. Totally autumn and winter are suitable for environmental activities and touring in Behbahan.