Diurnal variation of atmospheric aerosol in an urban location followed by means of sunphotometry.

摘要

In the area of climatology the study of the atmospheric aerosol is important to understand the changes in long term climate.For this purpose different parameters are used as aerosol optical depth and Angstrom exponent.In this work we try to show the relation that exists between these parameters and air mass types.For this goal the atmospheric aerosol has been analysed over an urban environment in a non-industrialised medium size city in South-eastern Spain(37.18deg N,3.58deg W and 680 m a.m.s.l.)using continuous spectral measurements of solar transmission and sky radiance in the range 340-1020 nm,recorded during a 20 month period.