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logan
earth system
| Term | Definition |
|---|---|
| Earth system | all of the nonliving things, living things, and processes that make up the planet Earth, including the solid Earth, the hydrosphere, the atmosphere, and the biosphere |
| geosphere | the mostly solid, rocky part of Earth; extends from the center of the core to the surface of the crust |
| hydrosphere | the portion of Earth that is water |
| cryosphere | one of Earth’s spheres where water is in solid form, including snow cover, floating ice, glaciers, ice caps, ice sheets, and frozen ground permafrost |
| atmosphere | a mixture of gases that surrounds a planet, moon, or other celestial bod |
| biosphere | the part of Earth where life exists; includes all of the living organisms on Earth |
| energy budget | a way to keep track of energy transfers into and out of the Earth system |
| air pressure | a measure of the pollutants in the air that is used to express how clean or polluted the air is |
| thermosphere | the uppermost layer of the atmosphere, in which temperature increases as altitude increases |
| mesosphere | the strong, lower part of the mantle between the asthenosphere and the outer core, 2. the layer of the atmosphere between the stratosphere and the thermosphere and in |
| stratosphere | the layer of the atmosphere that lies between the troposphere and the mesosphere and in which temperature increases as altitude increases; contains the ozone layer |
| troposphere | the process by which plants release water vapor into the air through stomata; also the release of water vapor into the air by other organisms |
| ozone layer | the layer of the atmosphere at an altitude of 15 to 40 km in which ozone absorbs ultraviolet solar radiation |
| greenhouse effect | the warming of the surface and lower atmosphere of Earth that occurs when water vapor, carbon dioxide, and other gases absorb and reradiate thermal energy |
| temperature | a measure of how hot or cold something is; specifically, a measure of the average kinetic energy of the particles in an object |
| thermal energy | the total kinetic energy of a substance’s atom |
| thermal expansion | an increase in the size of a substance in response to an increase in the temperature of the substance |
| heat | the energy transferred between objects that are at different temperatures |
| radiation | the transfer of energy as electromagnetic waves |
| convection | the movement of matter due to differences in density that are caused by temperature variations; can result in the transfer of energy as hea |
| conduction | the transfer of energy as heat through a material |
| wind | the movement of air caused by differences in air pressure |
| Coriolis effect | the curving of the path of a moving object from an otherwise straight path due to Earth’s rotation |
| global wind | the movement of air over Earth’s surface in patterms that are worldwide |
| jet stream | a narrow band of strong winds that blow in the upper troposphere |
| local wind | the movement of air over short distances; occurs in specific areas as a result of certain geographical features |
| ocean current | a movement of ocean water that follows a regular pattern |
| surface current | a horizontal movement of ocean water that is caused by wind and that occurs at or near the ocean’s surface |
| deep current | a stream like movement of ocean water far below the surface |
| convection current | any movement of matter that results from differences in density; may be vertical, circular, or cyclica |
| upwelling | the movement of deep, cold, and nutrient- rich water to the surfac |
Created by:
Logan Hardwick