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7 Human Activities

TermDefinition
Flooding overflow or accumulation of water that submerges land
Hurricane severe tropical cyclone usually with heavy rains and winds
Tornado localized and violently destructive windstorm occuring over land; funnel-shaped cloud
Weathering breakdown and changes in rocks and sediments near the Earth's surface
Chemical Weathering weathering caused by acids or chemicals breaking down rocks
Physical Weathering weathering caused by physical stress on the rocks, such as abrasion, water, ice, etc.
Erosion when water, wind or ice carries away particles or rock material from one point to another
Deposition when rocks and soil ar dropped off at a new location at the end of the erosion process
Aquifer area of loosely packed soil that is saturated with water located beneath the surface which supplied by groundwater and can result in ground sinking due to lack of rain or frequent use
Contaminants hazardous materials, such as pesticides, antifreeze, motor oil, paints, etc. that enter the watershed during rains and floods
Deltas large areas where soil, silt and sediments are deposited near the mouth of a river
Groundwater water beneathe the surface of the ground
Nutrients soil additives that contain lots of nitrogen which cause algae population to overpopulate the rivers and upsets the balance of carbon dioxide and oxygen in water
Sediments naturally-occurring materials that are broken by processes of weathering and erosion
Surface Water water from precipitation and moves on the surface of the earth (such as lakes, ponds, streams and oceans)
Watershed an area of land where the water runs off the land drains into local rivers , streams, lakes and wetlands
Water Conservation efforts by humans to decrease water consumption
Water Table area below the surface where the ground is saturated by water
Well a hold that is drilled into the Earth that reaches the water table or aquifer
Created by: mharlan
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