Detention ponds help control the rate of flow by using a control device that maintains the pre-development rate of flow. The volume of the detention pond is calculated by comparing the pre- and post- development runoff volumes. The difference is the detention volume.
Zayn Malik & Gigi Hadid: Why He Loves Dating Her Even More Than Perrie Edwards. Poor Perrie Edwards. Not only is Zayn Malik happy with his new girlfriend, Gigi Hadid, but he loves her even more than the Little Mix singer, HollywoodLife.com has EXCLUSIVELY learned. Find out why!
Zain Javadd Zayn Malik (born January 12, 1993), also known mononymously as Zayn, is a former member of British-Irish band One Direction. He left the band on March 25, 2015, to pursue a solo music career. His debut solo album, Mind of Mine, was released on March 25, 2016.