The harsh conditions of the desert are difficult for both man and machine. Sand, wind, heat, and scarcity of water are the most serious. Regular communications with camp, and well established emergency plans are important aspects of a desert survey.

Survey grids and station flags will not survive for long in this terrain. It is essential that GPS and gravity/mag be done together. If the flags are still there tomorrow, then it's a bonus.

Abu Dhabi

Yemen