Water Resources Hydrology- study of water
Freshwater Pollution Point Source Pollution- pollution that comes from a specific location Ex. A leaking landfill Nonpoint pollution is pollution that does not have a specific point of origin. –Ex. Runoff-can carry waste oil from streets, wash sediment from construction. –Carries water from fertilizer, pesticides, animal feed lots.
Stream flow The ability of a stream to erode and transport materials depends largely on velocity. Discharge- The volume of water flowing past a certain point in a given unit of time.
Gradient is the slope or steepness of a stream channel.
Gradient- meandering
Tributary- a stream that empties into another stream
Laws to protect our environment Montreal Protocol -Treaty to ban the use of ozone depleting chemicals Kyoto Protocol- International Agreement to help regulate climate change International Panel on Climate Change- group who meets to discuss possible solutions to climate change. International Whaling Commission- Set regulations and bans on killing whales. Convention of Trade of Endangered Species- Treaty which helps regulate the trading and selling of endangered species.
Erosion Streams generally erode their channels lifting particles by abrasion, grinding, and by dissolving. Beach erosion occurs because of wind and waves and human urbanization.