Water Treatment Exam Questions with Correct Answers | Latest Update

Water Treatment Exam Questions with Correct Answers
Latest Update
Define hydrologic cycle The hydrologic cycle is the movement of water into the
environment (solar powered)




Natural distribution systems -Rivers (very important!)--watersheds

-lakes--watersheds

-ground water--watersheds

- other (wetlands)




Importance of natural distribution systems -Historical (cultural)

-All water comes from natural distribution system (hydrologic cycle)

-U.S issues

--designated water uses




Describe what developed water is & list what types of modifications it
encompasses. Defined as modification of natural distribution systems

Includes:

1.Dams

2.surface water pumping

3.Channelization

,4. ground water pumping

5. Alteration of precipitation events (fake snow, ect.)




Pros Vs. Cons for Dams Dams are "good" / beneficial uses

1. Water storage (domestic)

2. Irrigation

-Power generation

-Industrial uses

-Flood control




Dams are "bad" / environmental impacts

Rivers into lake-like reservoirs

-Alter flow regimes

-Alter thermal regimes

-Disturbed habitats

-Disrupts migration




Pros Vs. Cons for Channelization & surface water pumping Channelization is "good" /
benefits

-Flood control

-Water transport

-Small hydro power generation

, -Transportation

-Irrigation

-Industry



Channelization is "bad" / impacts

-Altered habitat

-Altered flows

-Dewatered systems

-Altered thermal regimes

-Altered estuaries




Pros Vs. Cons for ground water pumping Pumping groundwater is "good" / benefits

-Irrigation

-Domestic uses



Pumping groundwater is "bad" / impacts

-Loss of resource

-Loss of beneficial uses (agricultural products)

-Impacts on surface water systems

-Impacts on wetland and terrestrial systems

-Potential impacts not well studied