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CO 2 concentration meter using a nondispersive infrared sensor. NDIR sensors are spectroscopic sensors to detect CO 2 in a gaseous environment by its characteristic absorption. . The key components are an infrared source, a light tube, an interference (wavelength) filter, and an infrared detec
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Carbon monitoring as part of greenhouse gas monitoring refers to tracking how much carbon dioxide or methane is produced by a particular activity at a particular time. For example, it may refer to tracking methane emissions from agriculture, or carbon dioxide emissions from land use changes, such as deforestation, or from burning fossil fuels, whether in a power plant, automobile, or other device.
Photosynthesis systems function by measuring gas exchange of leaves.Atmospheric carbon dioxide is taken up by leaves in the process of photosynthesis, where CO 2 is used to generate sugars in a molecular pathway known as the Calvin cycle.
Through photosynthesis, plants use CO 2 from the atmosphere, water from the ground, and energy from the sun to create sugars used for growth and fuel. [22] While using these sugars as fuel releases carbon back into the atmosphere (photorespiration), growth stores carbon in the physical structures of the plant (i.e. leaves, wood, or non-woody stems). [23]
Since the start of the Industrial Revolution, atmospheric CO 2 concentration have been increasing, causing global warming and ocean acidification. [12] In October 2023 the average level of CO 2 in Earth's atmosphere, adjusted for seasonal variation, was 422.17 parts per million by volume (ppm). [13]