Ground Water Flow




Ground Water FlowNothing is more from the truth. Groundwater symbolizes the largest single supply of fresh water within the hydrological cycle accessible for helpful human uses, being higher in volume than all the water in lakes, wetlands and rivers mixed.

The groundwater in the Usa alone, for instance, exceeds the whole water volume contained in all its reservoirs, lakes, wetlands and rivers. However, around half of the world's groundwater resources are positioned underground at depths too deep to be economically exploited for human being use.

Facts about Groundwater

Groundwater is the supply of water for springs and wells. It is located underground, within cracks in bedrock or filling the places between particles of rocks and soil. The groundwater layer by which all available areas are loaded with water is known as the saturated zone. The dividing line among the saturated zone and overlying unsaturated rock or sediments is referred to as water table.

Facts:

1. Groundwater is not connected to rivers and lakes.

2. Groundwater flows mainly in underground rivers.

3.Most U.P. residents rely on groundwater for drinking and household needs.

4. Contaminants from oil that is poured on the ground will be filtered by soil and gravel before reaching groundwater.

5. Most groundwater in the northern U.S. comes from Canada.

6. Contaminated groundwater can eventually enter surface water and contaminate it.

7. The surface of a lake is at the same level as the groundwater surface (water table) next to it.

8. Groundwater and surface water may be connected through wetlands.

9. Contaminated surface water can easily eventually get into groundwater and contaminate it.

10. If a well reaches groundwater, an unlimited amount of water can be pumped.

Facts about Surface Water

A surface water supply is a supply of water that is available to the atmosphere and subject to surface runoff. Samples of surface water sources contain rivers, lakes and reservoirs.

Facts:

The water found at the Earthís surface in rivers, lakes, ponds, streams and swamps makes up only 0.3% of the world's fresh water.

Only 3% of Earthís surface water is fresh water.  97% of the water on Earth is salt water.

30% of fresh water is in the ground.

68.7% of the fresh water on Earth is trapped in glaciers.

Water covers 70.9% of the Earth's surface.

1.7% of the world's water is frozen and therefore unusable.

More than 25% of bottled water comes from a municipal water supply, the same place that tap water comes from.

Water can dissolve more substances than any other liquid including sulfuric acid.





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