مطالعه تغييرات عوامل مختلف هواشناسي درروزهاي آبياري و غير آبياري در يك پارك گياهشناسي مجهز به سيستم آبياري باراني

Study the fluctuation of various meteorological factors in irrigated and non-irrigated days in the Botanic Garden equipped with sprinkler irrigation system Case study: research station of the Botanic Garden of Tehran University

At three different height 170, 130 and 5 centimeters above the surface and at 06:30, 12:30 and 18:30 LMT (+3:30 GMT), in irrigated and non-irrigated days, in the Botanic Garden of agriculture and natural sources faculty of Tehran University, in 62 days of summer time that there were 15 days alternatively with sprinkler irrigation (7 days irrigation in the morning and 8 days in the afternoon). Results shows that irrigation in the morning (8:00 - 11:30 LMT) decreases dry bulb and maximum temperature and increases wet bulb temperature and relative humidity, whereas, irrigation in the afternoon (13 - 16:30) results in increased dry bulb, minimum and maximum temperature and decreased wet bulb temperature and relative humidity in all times and height that were observed.