Essay on Greenhouse gases and their impact Free words essay on Greenhouse gases and their impact for school and college students. Nowadays, global warming has become the most heated topic to be discussed everywhere around the world.
Greenhouses can be divided into glass greenhouses and plastic greenhouses. Commercial glass greenhouses are often high tech production facilities for vegetables or flowers. The glass greenhouses are filled with equipment like screening installations, heating, cooling, lighting and may be automatically controlled by a computer.
The glass used for a greenhouse works as a barrier to air flow and its effect is to trap energy within the greenhouse, which heats both the plants and the ground inside it.
This warms the air near the ground, and this air is prevented from rising and flowing away. This can be demonstrated by opening a small window near the roof of a greenhouse: This principle is the basis of the autovent automatic cooling system.
A miniature greenhouse is known as a cold frame. A greenhouse also called a glasshouse is a building where plants are grown. A greenhouse is a structure with a glass or plastic roof and frequently glass or plastic walls; it heats up because incoming visible solar radiation from the sun is absorbed by plants, soil, and other things inside the building.
Glass is transparent to this radiation. The warmed structures and plants inside the greenhouse re-radiate this energy in the infra-red, to which glass is partly opaque, and that energy is trapped inside the glasshouse.
Although there is some heat loss due to conduction, there is a net increase in energy and therefore temperature inside the greenhouse. Air warmed by the heat from hot interior surfaces is retained in the building by the roof and wall.
These structures range in size from small sheds to very large buildings.
This principle is the basis of the auto vent automatic cooling system. Enhancement of this effect by human activity — not the effect itself, which is entirely natural — has experts worried.
We probably owe existence of life on this planet to the greenhouse effect. About half of sunlight hitting the outer atmosphere reaches the surface, where it transfers energy to land and water. The surface then sheds that energy as heat, largely infrared radiation IR. If the air contained nothing but its main components almost all of the energy emitted at the surface would radiate uninterrupted back into space.
Most greenhouse gases elude natural chemical cleaning processes in the atmosphere, and many stay aloft from decades to centuries.
But much more important is a change in the way water moves around.How are greenhouse gases important? Update Cancel. This effect is called the greenhouse effect, because it acts a bit like a glass greenhouse that traps heat creating a warmer environment inside the greenhouse.
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The greenhouse effect. The exchange of incoming and outgoing radiation that warms the Earth is often referred to as the greenhouse effect because a greenhouse works in much the same way. Incoming UV radiation easily passes through the glass walls of a greenhouse and is . Smoking cause effect essay yolanda adams essay about articles death penalty against introduction critical analysis essays in nursing.
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What is the greenhouse effect, and what is its importance to the surface temperature of the Earth? sunlight that is not reflected by clouds reaches the earths surface warming it up. infered radiaton reradiated from the surface is partially absorbed by the carbon dioxide in the atmosphere causing the overall temperature to rise.
Greenhouse effect" is actually a misnomer since heating in the usual greenhouse is due to the reduction of convection, while the "greenhouse effect" works by preventing absorbed heat from leaving the structure through radiative transfer.