click below
click below
Normal Size Small Size show me how
Water and Humans
| Term | Definition |
|---|---|
| Watershed | area of land that supplies water to a river system |
| impermeable | does not allow water to pass through easily |
| water table | upper level of the saturated zone of underground water |
| aquifer | any layer of rock or sediment that can hold water, below the saturated zone |
| well | a hole sunk into the ground to reach a supply of water |
| desalination | process to remove salt from ocean water to make fresh water |
| groundwater | in a watershed, water that seeps through the ground and is stored below the Earth's surface |
| hydrosphere | System of Earth that contains all of the liquid and frozen water on Earth's surface as well as groundwater below the surface, and water vapor in the atmosphere. |
| surface water | natural water that is at or near the surface in a watershed. Drainage water. |
| runoff | water that flows over the ground when it rains or when snow melts. This water doesn't soak into the soil but instead moves across the surface and can carry dirt, chemicals, and trash. |
| artificial reef | man-made structure placed in the ocean or other bodies of water to help create a habitat for marine life. |
| fertilizere | |
| ocean system | all the parts of the ocean that work together to support life and the environment. It includes the water, currents, marine life, and the ocean floor. |
| percolate | to slowly move or filter through a substance. When rainwater soaks into the ground, it percolates through the soil and eventually reaches underground water sources. |
| pollution | when harmful substances, like chemicals, trash, or smoke, are added to the air, water, or land. |
| coral bleaching | happens when coral reefs lose their color and turn white. This happens when the water gets too warm or when there’s too much pollution. |