My supervisor Prof.
Phillip Jones who gave my a lot of his time, advice, support and encouragement
throughout the time it took me to achieve this work.
Mr. Don K Alexander and
Mr. Simon Lannon for their
support and advice during the work with HTB2 computer simulation;
Mr. Huw Jenkins for
his assistance and advice in the wind tunnel experiment;
Mr. Nigel Vaughan for his support and advice in the analysis of the questionnaire
survey and encouragement throughout this work;
Dr. Peter Lewis and Dr. Mike Fedeski for their advice and support;
Mr. Dave Bull chief technician and facilities manager for his assistance in the field
work experiments;
My colleagues Dr. Egal Al-Jofi and Dr. Thamar Al-Rugaib
for their support, advice, encouragement and inspiration;
The High Commission for the Development of the City of Riyadh, Eng. Salah Al-Homod, and
The Department of Monuments and Museums, Mr. Fahad Al-Hawas for their valid support in the
field work experiments and allowing me to gain access to the site to perform the
experimental work;
Finally to my family: my wife and three children, Shahad, Abdul Rahman and Wid for
their prayers and moral support.