# 7.2: Catchment

11. Calculate the total volume (in gallons) of 2.00 inches of rain falling into a container with a cross-section of 1.00 $$ft^2$$.

12. Calculate the total volume (in gallons) of 2.00 inches of rain falling into a cylindrical container with a diameter of 1.00 ft.

13. Calculate the total volume (in gallons) of 2.00 inches of rain falling into a container with a cross-section of 800 $$ft^2$$.

14. Calculate the total collectible volume (in gallons) of 2.00 inches of rain falling onto a metal roof with a footprint of 1200 $$ft^2$$.

15. Calculate the total collectible volume (in gallons) of 2.00 inches of rain falling onto a tile roof with an area of 1500 $$ft^2$$ and a footprint of 1300 $$ft^2$$.

16. Calculate the total collectible volume (in liters) of 50.0 mm of rain falling onto a metal roof with a footprint of 160 $$m^2$$.

17. Calculate and graph the monthly collection volumes (in gallons) for the rainfall in Columbia, Missouri on a metal roof with a footprint of 1200 $$ft^2$$.

18. Calculate and graph the monthly collection volumes (in gallons) for the rainfall in your hometown on a metal roof with a footprint of 800 $$ft^2$$.

19. Calculate the monthly collection volume (in gallons) of 2.00 inches of rain falling onto 2.00 acres of the catchment.

20. Take a photo of 100 square feet.