Greenhouse effect and causes - think
Credit: Kristen Cook GFZ Weathering of rocks can bind or release carbon dioxide — in active mountain ranges, carbon-dioxide release strongly dominates. Taiwan is an island of extremes: severe earthquakes and typhoons repeatedly strike the region and change the landscape, sometimes catastrophically. This makes Taiwan a fantastic laboratory for geosciences. Erosion processes, for example, occur up to a thousand times faster in the center of the island than in its far south. This difference in erosion rates influences the chemical weathering of rocks and yields insights into the carbon cycle of our planet on a scale of millions of years. A group of researchers led by Aaron Bufe and Niels Hovius of the German Research Center for Geosciences GFZ has now taken advantage of the different erosion rates and investigated how uplift and erosion of rocks determine the balance of carbon emissions and uptake. The surprising result: at high erosion rates, weathering processes release carbon dioxide; at low erosion rates, they sequester carbon from the atmosphere. The study has been published in Nature Geoscience. Behind all this are tectonic and chemical processes. greenhouse effect and causesGreenhouse effect and causes Video
What is the Greenhouse Effect? - The Environment for Kids (Updated Version)These gases act like the glass in a greenhouse, which does not allow the inner heat to escape. When sunlight reaches the surface of the earth, much of its energy is transformed into heat energy.
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The greenhouse gases trap infrared radiation and send it back to earth. Carbon dioxide, methane, and nitrous oxide are important greenhouse gases. Global warming In addition to greenhouse gases e. This is called global warming. Due to global warming, polar ice caps and glaciers are melting faster than the time taken for new ice layers to form.
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Seawater is also expanding causing sea levels to rise. Due to melting glaciers, rivers overflow and cause floods. The CO2 forms a layer around the earth like an envelope. It allows the heat rays of the sun to pass through it and reach up to the Earth.
Greenhouse leaves harmful impact such as global warming
The normal concentration of the CO2 layer retains enough heat to keep the atmosphere warm. So, a normal concentration of CO2 is necessary and beneficial for keeping the temperature warm. Otherwise, the earth would have been uninhabitable.
CO2 is not an air pollutant. Rather, it is essential to gas for plants as O2 is essential for animals.]
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