Angus Cruises and Water Quality - Practice Flashcards

10 practice flashcards focusing on Angus cruise logistics, sampling equipment, GPS/sonar basics, and water quality concepts, in QUESTION_AND_ANSWER format.

Name three bodies of water mentioned where Angus cruises take place.

Grand River, Spring Lake, and Lake Michigan.

What is the heavy claw used to sample bottom sediment called?

The Ponar grab sampler.

What does SONAR stand for and how is depth measured on the cruise?

Sound Navigation and Ranging; depth is measured by sending an acoustic ping, timing its return, and using the speed of sound in water (~1500 m/s).

What is the purpose of the sechi disk during the cruise?

To measure water clarity by determining how far you can see into the water.

What major environmental law, enacted in 1972, aims to make U.S. waters swimmable, fishable, and drinkable?

The Clean Water Act.