Vitality of ancient karez systems in arid lands: a case study in Turpan region of China Abudu, Shalamu ; Cevik, Sevinc Yeliz ; Bawazir, Salim ; King, James Phillip ; Chunliang, Cui Abstract Publication: Water History Pub Date: December 2011 DOI: 10.1007/s12685-011-0044-5 Bibcode: 2011WatHi...3..213A