Hydrographic Survey Quiz

What is the primary goal of the hydrographic survey program?

• To assist in urban planning

• To study marine life habitats

• To map reservoirs for water resource management

• To map the ocean floor for navigation

What are the two main components of a hydrographic survey?

• Volumetric and sedimentation surveys

• Geological and biological surveys

• Climatic and environmental surveys

• Topographic and bathymetric surveys

How is the lake boundary generated during a volumetric survey?

• By manually measuring the perimeter

• By using satellite imagery

• By using historical maps

• By taking aerial photographs and digitizing them

What is the purpose of calibrating the transducer during the survey?

• To adjust for water temperature

• To enhance sonar range

• To improve GPS accuracy

• To ensure it measures the correct depth

Why is it recommended to survey reservoirs every 10 years?

• To account for sedimentation and ensure accurate water storage capacity

• To measure changes in water temperature

• To monitor fish populations

• To update navigation charts