Chapter 4.1.1 : Surface water and Ground water sources

Groundwater also known ad

• well or spring water

• river

• lake

• watershed

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Which of the following considered the most desirable water source in aquaculture?

• Groundwater

• Surface water

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Why groundwater are desirable in aquauclutre?

• It is easy to be used and are good in water quality measurement.

• It is usually consistent in quantity and quality, free of toxic pollutants and contamination with predator or parasitic living organisms.

Define Aquifer.

• Underground layers of rock that are saturated with water that can be brought to the surface through natural springs or by pumping.

• a colorless and transparent liquid that forms the seas, lakes, rivers, and rain and is the basis of the fluids of living organisms

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Why is water supply for watershed ponds is quite seasonal?

• The water storage is affected because it is source of freshwater around the world, including as drinking water, irrigation, and manufacturing.

• The water storage is affected by seepage and evaporative losses, which vary in relation to temperature and relative humidity.

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Does water quality of watershed ponds is strongly influenced by land use?

• Yes

• No

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What are the advantages of spring water?

• it has constant temperature, not require pumps and may have only few contaminates.

• it has constant temperature and may have only few contaminates.

• it may be readily available and inexpensive.

• it is inexpensive and high quality

What are the advantages of groundwater?

• it may require pumping and may contain dissolved gasses.

• it require pumping unless artesian wells and may contain dissolved gasses.

• it may contain contaminates and susceptible to draughts or floods.

• the ponds are hard to drain and if it is wetland it will require permit.

What are the three major process in water cycle?

• evaporation, condensation and melting

• evaporation, condensation and deposition

• evaporation, condensation and precipitation

• evaporation, precipitation and freezing

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What is precipitation?

• any liquid or frozen water that forms in the atmosphere and falls back to the earth. It comes in many forms, like rain, sleet, and snow.

• any liquid or frozen water that forms in well and used by human in daily life.

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