Vapour-pressure deficit temperature, the relative humidity and, if possible, the canopy air temperature. We must then compute the saturation pressure. Saturation pressure can be looked up in a psychrometric chart or derived from the Arrhenius equation, a way to compute it directly from temperature is where: To convert between Rankine and degrees Fahrenheit: formula_10 We compute this pressure for both the ambient and canopy temperatures. We then can compute the actual partial pressure of the water vapour in the air by multiplying by the relative humidity [%]: and finally VPD using formula_12 or formula_13 when the canopy temperature is known. Vapour-pressure deficit
Milwaukee Air and Water Show Milwaukee Air and Water Show The Milwaukee Air & Water Show is an air show held on the shores of Lake Michigan in Milwaukee, Wisconsin, in the United States. It is billed as "the largest two-day event in Wisconsin," with an attendance of almost 1,000,000 people in 2012. A predecessor to the airshow was first held at Festa Italiana in 2002 to celebrate its 25th anniversary. TCF Bank joined as the title sponsor and the Milwaukee Air & Water Show staged its first event at Veterans Park in 2004. In 2005 the Navy's Blue Angels returned to Milwaukee after six