Earth energy (often generalized as geothermal energy) is thermal energy, either heat or cold depending on what is desired, derived from the earth (geo).
When students learn about Earth processes, they generally focus on the process itself, such as plate tectonics, tides or stream flow. These ideas illustrate how all of Earth's processes are driven by energy. Energy transfer can be thought of as a the driving force of the Earth system.
Most of the energy in the Earth system comes from just a few sources: solar energy, gravity, radioactive decay, and the rotation of the Earth. Solar energy drives many surface processes such as winds, currents, the hydrologic cycle, and the overall climate system. Gravity makes rivers and other materials flow downhill and creates tides (from the Moon's gravitational pull). Radioactive decay creates heat in the Earth's interior, while Earth's rotational forces influence currents of air and water.
These ideas have considerable crossover with the Climate Literacy Principles 1 and 2. Climate Literacy Principle 1 focuses on the Sun as the primary source of energy for Earth's climate system, while Climate Literacy Principle 2 explains that greenhouse gases affect the energy balance of the Earth. Carbon dioxide and other greenhouse gases trap outgoing radiation that would otherwise exit the Earth system, thus warming the atmosphere. It also summarizes the carbon cycle through different carbon sinks and sources.
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Earth energy (often generalized as geothermal energy) is thermal energy, either heat or cold depending on what is desired, derived from the earth (geo).
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Explanation:
When students learn about Earth processes, they generally focus on the process itself, such as plate tectonics, tides or stream flow. These ideas illustrate how all of Earth's processes are driven by energy. Energy transfer can be thought of as a the driving force of the Earth system.
Most of the energy in the Earth system comes from just a few sources: solar energy, gravity, radioactive decay, and the rotation of the Earth. Solar energy drives many surface processes such as winds, currents, the hydrologic cycle, and the overall climate system. Gravity makes rivers and other materials flow downhill and creates tides (from the Moon's gravitational pull). Radioactive decay creates heat in the Earth's interior, while Earth's rotational forces influence currents of air and water.
These ideas have considerable crossover with the Climate Literacy Principles 1 and 2. Climate Literacy Principle 1 focuses on the Sun as the primary source of energy for Earth's climate system, while Climate Literacy Principle 2 explains that greenhouse gases affect the energy balance of the Earth. Carbon dioxide and other greenhouse gases trap outgoing radiation that would otherwise exit the Earth system, thus warming the atmosphere. It also summarizes the carbon cycle through different carbon sinks and sources.