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Carbon dioxide levels are reduced in a greenhouse by natural air exchange and photosynthesis.

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GREENHOUSE EFFECT PowerPoint presentation - …

However, that humans have changed Earth's atmosphere in dramatic ways over the past two centuries, resulting in global warming. To understand global warming, it's first necessary to become familiar with the greenhouse effect, though.

What Causes the Greenhouse Effect? « Roy Spencer, PhD

Today in North Georgia I saw one of the weirdest sights I’ve ever seen. The day started out sunny with blue skies. Temps by mid-morning around 50 degrees or so. During the noontime hour they were spraying the skies with the trails fairly heavily. Coming home from an outing at 4:30pm the sun became covered over with the horrible opaque mess that we are all now too familiar with seeing- BUT to either side of the glowing mass behind the shroud of particulates appeared a rainbow looking sundog equidistant from both the left(southward)and the right(northward)of the center point of the sun. It felt to me quite a bit colder than it had been (like the refrigerator door opening feeling the cooler air sensation we have all come to recognize-at least for those of us who are awake to what is happening), and I believe they were likely spraying the chemicals which cause the artificial endothermic reaction since today they have now abruptly changed the weather forecast for the next week from unusually warm for the Christmas week to a potentially turbulent rain event Dec. 23rd then possibly changing over to snow Dec. 24th. Voila!!.. A White Christmas for North Georgia. Let’s see what happens here folks!

Green House Effect |authorSTREAM

Green House Effect - authorSTREAM ..

Incoming UV radiation easily passes through the glass walls of a greenhouse and is absorbed by the plants and hard surfaces inside. Weaker IR radiation, however, has difficulty passing through the glass walls and is trapped inside, thus warming the greenhouse. This effect lets tropical plants thrive inside a greenhouse, even during a cold winter.

"Gas molecules that absorb thermal infrared radiation, and are in significant enough quantity, can force the climate system. These type of gas molecules are called greenhouse gases," Michael Daley, an associate professor of Environmental Science at Lasell College told Live Science. Carbon dioxide (CO2) and other greenhouse gases act like a blanket, absorbing IR radiation and preventing it from escaping into outer space. The net effect is the gradual heating of Earth's atmosphere and surface, a process known as .

What is the effect of global warming on photosynthesis?

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.

These greenhouse gases include water vapor, CO2, methane, nitrous oxide (N2O) and other gases, according to the (EPA). Since the dawn of the Industrial Revolution in the early 1800s, the burning of fossil fuels like coal, oil and gasoline have greatly increased the concentration of greenhouse gases in the atmosphere, especially CO2, (NOAA). "Deforestation is the second largest anthropogenic source of carbon dioxide to the atmosphere ranging between 6 percent and 17 percent," said Daley.

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  • The greenhouse effect is? | Yahoo Answers

    13/06/2017 · What Causes the Greenhouse Effect? June 13th, 2015 by Roy W. Spencer, Ph. D.

  • Carbon Dioxide & the Greenhouse Effect | Home …

    08/02/2017 · What is the effect of global warming on photosynthesis

  • Green house effect - SlideShare

    to the greenhouse effect

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and therefore help to regulate the natural greenhouse effect

This allows for safe flue gas introduction into the greenhouse. The flue gases are extracted where the boiler connects to the stack. These units are designed to reduce the temperature and moisture impact on the greenhouse environment, and have monitoring systems that safe guard against flue gas introduction when the carbon monoxide (CO) level is higher than a set level (usually 6–10 ppm). The system is designed with a small capacity ventilator with low suction resulting in a fixed volume of the flue gases. A second ventilator is used to mix the flue gases with the greenhouse air and then the mixture is introduced throughout the greenhouse. This system provides the flexibility to introduce the CO2 low within the crop and allowing it to rise through the crop before exiting the vents. The delivery system must be designed to ensure even distribution throughout the greenhouse (). In order to increase efficiency and to provide CO2 during the day when there is no requirement for heat, a hot water heating system equipped with an insulated hot water storage tank is used. The size of the tank may vary from 30–130 m3/ha of greenhouse. The heat generated by the boiler during the day is stored in the tank and is used at night as required (). Summer CO2 supplementation using flue gas can be achieved as long as the stored heat is used during the night. In some cases during the summer months the stored heat is not required as the outside night temperature remains higher than 22°C. In this situation CO2 application is limited.

What is the Greenhouse Effect? | Global Warming

The greenhouse effect, combined with increasing levels of greenhouse gases and the resulting global warming, is expected to have profound implications, according to the near-universal consensus of scientists.

Greenhouse effect: Greenhouse effect, ..

If global warming continues unchecked, it will cause significant climate change, a rise in sea levels, increasing ocean acidification, extreme weather events and other severe natural and societal impacts, according to NASA, the EPA and other scientific and governmental bodies.

IB Biology Notes - 5.2 The greenhouse effect

Natural gas, propane and liquid fuels are burned in specialized CO2 generators located throughout the greenhouse. (). The size of the unit (BTU’s produced) and the degree of horizontal airflow in the greenhouse determine the number and the location of these units. The most important feature of a burner should be that it burns the fuel completely. Some manufacturers make burners in which either natural gas or propane can be used, as well as units with adjustable outputs. A potential disadvantage of this system is that the heat generated by these units may have a localized effect on temperature and disease incidence (i.e. powdery mildew and Botrytis), particularly in tall growing crops.

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