Introduction: One of the sources of natural occurring radiation was soils. The purpose of article was to determine soil pollution by radiation absorbed dose rate, radium equivalent activity, external hazard index, annual gonad dose equivalent and annual effective dose equivalent. Methods & Materials: The soil samples was located in Chahbahar city in Blouchestan of Iran, was chosen for studyin...

in recent years, several ocean tide models have been used to calculate tides using data of satellite and tide gauges data. global ocean tide models have many applications in various sciences such as geophysics, geology and geodesy and oceanography. considering­ the existence of many models, a quantitative evaluation of research, and ranking and selecting the best model of the global ocean tide ...