Mapping the Sea

The video discusses the dangers of Orkney's waters, which were uncharted and hazardous in the 18th century. Murdoch McKenzie, a local schoolmaster, mapped these waters using innovative symbols to warn sailors. His work laid the foundation for modern mapping techniques. Today, the Coast Guard uses advanced technology to detect underwater hazards, ensuring safer navigation. Despite technological advancements, new dangers continue to emerge, highlighting the ongoing need for accurate sea mapping.

What was the primary reason for the numerous shipwrecks around Orkney in the 18th century?

• Pirate attacks

• Uncharted coastline with hidden hazards

• Severe weather conditions

• Faulty ship designs

How did Murdoch McKenzie contribute to maritime safety in the 18th century?

• He developed a weather prediction system

• He created a map of the coastal waters

• He established a lighthouse network

• He invented a new type of ship

What was one of the key innovations introduced by McKenzie in his mapping efforts?

• Use of GPS technology

• Creation of new mapping symbols

• Introduction of satellite imagery

• Development of sonar equipment

What modern technology does the Coast Guard use to map the sea bed?

• Sound wave emission

• Satellite photography

• Radar scanning

• Underwater drones

What has been the impact of modern survey techniques on maritime safety?

• They have uncovered new hazards and saved lives

• They have reduced the need for Coast Guard patrols

• They have made traditional maps obsolete

• They have increased the number of shipwrecks