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Leaf area index - Wikipedia
https://en.wikipedia.org/wiki/Leaf_area_index
WebLeaf area index (LAI) is a dimensionless quantity that characterizes plant canopies. It is defined as the one-sided green leaf area per unit ground surface area (LAI = leaf area / ground area, m 2 / m 2) in broadleaf canopies. In conifers, three definitions for LAI have been used: Half of the total needle surface area per unit ground surface area
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The researcher's complete guide to Leaf Area Index (LAI)
https://metergroup.com/education-guides/the-researchers-complete-guide-to-leaf-area-index-lai/
WebLeaf area index (LAI) quantifies the amount of leaf material in a canopy. By definition, it is the ratio of one-sided leaf area per unit ground area. LAI is unitless because it is a ratio of areas. For example, a canopy with an LAI of 1 has a …
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Leaf Area Index - an overview | ScienceDirect Topics
https://www.sciencedirect.com/topics/agricultural-and-biological-sciences/leaf-area-index
WebLeaf area index is defined as the projected area of leaves over a unit of land (m 2 m −2), so one unit of LAI is equivalent to 10,000 m 2 of leaf area per hectare. Sometimes LAI is expressed on the basis of all leaf surfaces.
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An Overview of Global Leaf Area Index (LAI): Methods, Products
https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2018RG000608
WebApr 29, 2019 · Leaf area index (LAI) is a critical vegetation structural variable and is essential in the feedback of vegetation to the climate system. The advancement of the global Earth Observation has enabled the development of global LAI products and boosted global Earth system modeling studies.
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LAI: Leaf Area Index | SpringerLink
https://link.springer.com/referenceworkentry/10.1007/978-3-319-51727-8_237-1
WebMay 13, 2019 · Definition. Leaf area index (LAI) is a dimensionless index that is the ratio of the sum of the surface area of all living foliage above the ground to the ground area under that foliage with the units of m 2 leaf area m −2 ground area. Theory Behind LAI.
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Ground‐based measurements of leaf area index: a review of …
https://academic.oup.com/jxb/article/54/392/2403/621920
WebNov 1, 2003 · Leaf area index ( LAI) is the total one‐sided area of leaf tissue per unit ground surface area. It is a key parameter in ecophysiology, especially for scaling up the gas exchange from leaf to canopy level. It characterizes the canopy–atmosphere interface, where most of the energy fluxes exchange.
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Leaf Area Index - an overview | ScienceDirect Topics
https://www.sciencedirect.com/topics/earth-and-planetary-sciences/leaf-area-index
WebLeaf area index (LAI) indicates the amount of leaf area in an ecosystem. LAI is a critical parameter for understanding terrestrial ecological, hydrological, and biogeochemical processes.
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Leaf Area Index | Copernicus Global Land Service
https://land.copernicus.eu/global/products/LAI
WebThe Leaf Area Index is defined as half the total area of green elements of the canopy per unit horizontal ground area. The satellite-derived value corresponds to the total green LAI of all the canopy layers, including the understory which may represent a very significant contribution, particularly for forests.
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An Overview of Global Leaf Area Index (LAI): Methods, …
https://agupubs.onlinelibrary.wiley.com/doi/epdf/10.1029/2018RG000608
WebLeaf area index (LAI) quantifies the amount of leaf area in an ecosystem and is a critical variable in processes such as photosynthesis, respiration, and precipitation interception (Alton, 2016; Asner, Braswell, et al., 1998; S. Boussetta et al., 2013; Jarlan et al., 2008). As a fundamental attribute of global
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Leaf area index - ScienceDirect
https://www.sciencedirect.com/science/article/pii/B9780128158265000106
WebJan 1, 2020 · Leaf area index (LAI) indicates the amount of leaf area in an ecosystem. LAI is a critical parameter for understanding terrestrial ecological, hydrological, and biogeochemical processes.
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