Acronyms that contain the term maestra
What does maestra mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: maestra.
What does maestra mean?
- The following description was taken from this source.MAESTRA is a three dimensional model of forest canopy radiation absorption, photosynthesis, and transpiration. The canopy is represented by an array of tree crowns whose positions and dimensions are specified. Each crown is divided into 6 horizontal layers with each layer divided into 12 grid points of equal volume. Each layer is specified by a number of physical and physiological properties, including radiation, temperature, leaf area index, and leaf nitrogen content. Radiation absorption is calculated for a ?target crown? in the canopy. Positions and dimensions of trees surrounding the target crown are used to determine the amount of radiation incident on the target crown after passing through the neighboring crowns. Radiation penetration to each grid point is calculated for three wavebands (i.e. PAR, near infrared and thermal radiation), including consideration of direct, diffuse and scattered radiation. Photosynthesis and transpiration at each grid point are calculated from the absorbed radiation. Leaf photosynthesis is estimated by the Farquhar photosynthesis model (Farquhar et al. 1980) coupled to the Ball-Berry stomatal conductance model (Ball et al. 1987). Transpiration is calculated by applying the Penman-Monteith formula (Jarvis and McNaughton 1986) to each grid point. Environmental variables driving model simulations are radiation, air temperature, air humidity, wind speed and atmospheric CO2 concentration above the canopy. The model assumes that air humidity, temperature, and CO2 concentration are uniformly distributed within the canopy. The time step in the model simulation is one hour.The model has previously been applied to study canopy carbon and water fluxes of Picea sitchensis (Wang and Jarvis 1990), Pinus radiata (McMurtrie and Wang 1993), Betula pendula (Wang et al. 1998), and Pinus taeda (Luo et al. 2001). More details of the model description can be found in Wang and Jarvis (1990) and Luo et al. (2001).MAESTRA does not attempt to simulate belowground root or decomposition processes or soil water depletion, and like CANOAK has a limited ability to capture the response of ecosystems to drought.
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"maestra." Abbreviations.com. STANDS4 LLC, 2022. Web. 7 Dec. 2022. <https://www.abbreviations.com/maestra>.