Urban Dust Fall Concentration and Its Properties in Kerman City, Iran

urban dust fall concentration and its properties in kerman city, iran

background dust events are common air pollution events in parts of the world in arid, semiarid, or desert areas. during the last years, air quality of kerman city has been deteriorated due to urban and industrial development as well as population growth. objective the aim of this study was to evaluate the dust fall events in kerman city. material and methods the british jar test assembly method...

Level Changes of Traffic Noise in Kerman City, Southeast Iran

BACKGROUND The purpose of this research was to determine the traffic noise level and changes in the Kerman City, southeast Iran in recent years. METHODS This cross-sectional study was carried out in 2008 to investigate the existing noise situation in Kerman. Sound levels (L(Max), L(Min), L(eq), L(99), L(90), L(50) and L(10)) were determined throughout 13 stations using sound level measurement...

spatial and temporal distribution of heavy metals concentration in atmospheric dust in kerman city

introduction atmosphere health is an important environmental issue and air pollution is not a local problem in a given area of the world. particles produced by either humans or the nature enter the atmosphere and return the earth’s surface at local, regional, or global scales after physico-chemical interactions. according to the reports by who, each year 2.4 million people lose their lives worl...

Ancient Iranian Urban Structure and its Situation in Contemporary City

Noise pollution and its spatial distribution in urban environments (case study: Yazd city, Iran)

This study focuses on identifying source and frequency of noise pollution in Yazd, Iran. For data collection, we used two approaches: First we selected 55 monitoring stations for 122 km grid network; the distance between two stations was 2 km. Then, at the same time, we measured the sound pressure level (SPL) at main roads; the distance between two monitoring stations in this case was 1 km. Aft...