The paradox of tropical karst morphology in the coral reefs of the arid Middle East Purkis, S. J. ; Rowlands, G. P. ; Riegl, B. M. ; Renaud, P. G. Abstract Publication: Geology Pub Date: March 2010 DOI: 10.1130/G30710.1 Bibcode: 2010Geo....38..227P