Submitted in fulfilment of the requirements for the degree of Doctor of Philosophy to the School of Geographical and Earth Sciences, College of Science and Engineering, University of Glasgow, April 2017.
Thesis
Ph.D. University of Glasgow 2017 School of Geographical and Earth Sciences.
Bibliography
Includes bibliographical references (pages 300-318).
Note
Electronic version also available via Enlighten : Theses http://theses.gla.ac.uk/8158/