True/False
3.The process of moving water from its source to places where humans use it is called WATER DIVERSION
True
1 What are the 3 ways we use freshwater?
agriculture, industry and personal use
12. What is groundwater mostly used for in the US?
irrigation (agriculture)
7. What are some of the pros of dams?
preventing floods, facilitating irrigation and generating electricity (hydropower)
To conserve water, when is the BEST time to water a lawn or garden?
morning (less evaportation)
4. Dams can help REGULATE river flow
true
1. What are some examples in how we specifically use water for personal uses?
cooking, laundry, personal hygiene etc
10. Groundwater mining is the process of....?
withdrawing groundwater faster than it can be replenished
In the U.S., most of the freshwater we use–about 75% of it comes from
surface water sources
18. Why is drip irrigation an example of a solution that reduces the demand for water?
less water is lost to evaporation than traditional sprinklers
5. Lakes that store water for human use are called DAMS
False; they are called reservoirs
1 How do we specifically use water for agriculture?
farmers/ranchers use water to grow crops and raise their livestock
9. The buildup of salts in the surface layers of soil is called ?
salination
8. Why is the Colorado River a good example of surface water depletion?
this river's water is so heavily diverted that it sometimes runs dry before reaching Gulf of California/Mexico area
14.What are 2 solutions that REDUCE DEMAND for water?
water conservation
using efficient irrigation (like drip)
growing climate-appropriate plants
XERISCAPING
6.Drought and overuse have caused significant surface water RESERVOIRS
false; depletion (shortage)
1. How do we specifically use water for industry?
companies use water to make and transport their products. Some power plants use water for cooling purposes.
11. What is NOT an example of the effects of groundwater depletion?
17. Why is groundwater mining causing groundwater depletion in some areas?
it is being mined faster than groundwater can be replenished
14. What are 2 solutions that INCREASE water supply?
water diversion and desalination
What is most likely to occur after excessive withdrawal of groundwater in coastal areas?
salt water will start to enter the water table
2. Why does it make sense that 40% of the water used by the US is for industrial uses?
The US has a lot of industry sectors and is a consumer-driven society
when soil becomes super saturated with water to the point that oxygen no longer is in air pores in soil (causes root rot for plants)
7. What are some of the CONS of dams?
costs of building dams, harming/destruction of aquatic habitats and the fact that dams can fail
What may happen if the water table drops BELOW the depth of a well and what needs to happen to solve the problem?
The well will run dry.
The well needs to be dug deeper, OR sink a well in a new location