نقصان كمية الأشعة القصيرة الموجة الواردة الى سطح الأرض بسبب الغبار الكثيف العالق في الجو لمنطقة مكة المكرمة في الفترة ما بين 19 و 21 مارس 2012م

الملخص EN

The dust storms that have occurred in recent years in Saudi Arabia have significant impact on the amount of short wave solar radiation reaching the ground surface.

As this phenomenon is repeated for several days.

Severe dust storms and some moderate stretches causes a decrease in the amounts of solar radiation from reaching the earth's surface.

In this research a case was discussed of the repeated dust storms on the city of Jeddah and the Hada Al Sham area for the period between 26 to 28 Rabi 1433H.

It was noted that a large difference between the maximum values of solar radiation occured between stations: Hada Al Sham and King Abdulaziz University.

On Monday 19th March (Day of severe storm), attained of 200 Wm-2, a decrease in radiation at about 27% while in the next day 20th March showed less impact and a decrease in radiation between the two stations at about 17%.

The study showed there is a slight difference between the two stations data after passing phenomenon.