Please enable JavaScript.
Coggle requires JavaScript to display documents.
WATER POLLUTION (WHAT IS WATER POLLUTION? (HUMAN ACTIVITY CAUSES POLLUTION…
WATER POLLUTION
WHAT IS WATER POLLUTION?
HUMAN ACTIVITY CAUSES POLLUTION AT EVERY LEVEL OF THE WATER CYCLE (rivers, lakes, groundwater)
INVOLVES DUMPING HARMFUL SUBSTANCES INTO LAKES, STREAMS, RIVERS AND OCEANS
- THE RELEASE OF ENERGY IN THE FORM OF RADIOACTIVITY/ HEAT
Every BODY OF WATER has the capacity to ABSORB, BREK DOWN, RECYCLE introduced materials
Under normal circumstances, INORGANIC substances are widely DISPERSED and have little effect on life WITHIN the bodies of water into which they are released
If the capacity of the body of water to dissolve, disperse, recucle is EXCEEDED , all additional substances become pollutants
THE CAUSES
-
-
the use of chemical FERTILIZERS, PESTS ON WATERSHED LANDS
-
-
CITIES IN THE DOWNSTREAM REGIONS OF THE RIVER BASIN CONTRIBUTE ADDITIONAL WASTES THAT FLOW INTO ESTUARIES
-
RESULTS
THE OUTPUT of industies, agriculture, human comminities generally EXCEEDS the biologic capacities of AQUATIC
|əˈkwatɪk| SYSTEMS , causing waters to become CHOKED WITH AN EXCESS OF organic substances
FOUL-SMELLING, WASTE-FILLED BODY OF WATER
-
DRINKING WATER
TAP WATER SUPPLIES = A MIXTURE OF WATER FROM RESERVOIRS, GROUNDWATER, RIVERS
Despite water PURIFICATION, many CONTAMINANTS are still found in drinking water
-
NECESSITY OF WATER
WATER IS A CAREFULLY CONSERVED RESOURCE, AS WE RELY ON WATER IN EVERY ASPECT OF OUR LIVES: INDEED, WATER IS VITAL TO ALL LIFE
-
GROUNDWATER
-
NITRATES FROM AGRICULTURAL FERTILIZER, SOLVENTS USED IN ENGINEERING CAN SEEP INTO GROUNDWATER AND REMAIN THERE FOR DECADES