Shade 66992 225863629 2008-07-15T19:25:16Z 67.219.64.195 {{otheruses}} [[Image:A dozen species growing in the shade.jpg|thumb|right|400px|A dozen different species of plants growing in the shade]] '''Shade''' is the blocking of [[sunlight]] (in particular direct sunshine) by any object, and also the [[shadow]] created by that object. It may refer to blocking of sunlight by a roof, a [[tree]], an [[umbrella]], a [[window blind|window shade or blind]], [[curtains]], or other objects. Shade is an important issue in [[temperate]] and [[tropical]] zones for providing cooling and shelter from the [[sun]]. Providing certain configurations of shading is an important [[passive solar]] technique. This may be done with overhangs, with [[shade tree]]s, or with [[vine]]s. Vines particularly suited for this purpose include [[Boston ivy]], [[Virginia creeper]], and [[morning glory]]. Shade offers relief to golfers and sportsmen of many types. Careful consideration must be taken when removing trees near tees and other clog points on a golf course routing. It has been shown that the shade from a natural tree can be several degrees cooler than that provided by artificial structures or umbrellas. Shading using non-living materials blocks the sun, but also results in sunlight being absorbed and re-radiated as heat, or in sunlight being reflected as [[Light pollution#Glare|glare]]. Green plants, on the other hand, not only absorb a significant portion of the sunlight to invest as energy in [[photosynthesis]] to produce [[carbohydrate|sugar]], but also actively transpire, producing an additional cooling effect. In gardening terms, there are various types of shade: *Full sun - more than five hours of direct sun per day. *Part shade - two to five hours of direct sun, or all-day dappled sun (sunlight shining through open trees). *Full shade - less than two hours of direct sun per day. [[Category:Light]] {{optics-stub}} [[fr:Ombre (lumière)]] [[simple:Shade]]