Journal ArticleDOI
A general model of forest ecosystem processes for regional applications I. Hydrologic balance, canopy gas exchange and primary production processes
TLDR
In this paper, an ecosystem process model is described that calculates the carbon, water and nitrogen cycles through a forest ecosystem, which uses leaf area index (lai) to quantify the forest structure important for energy and mass exchange, and represents a key simplification for regional scale applications.About:
This article is published in Ecological Modelling.The article was published on 1988-08-01. It has received 1465 citations till now. The article focuses on the topics: Primary production & Forest ecology.read more
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Crop evapotranspiration : guidelines for computing crop water requirements
TL;DR: In this paper, an updated procedure for calculating reference and crop evapotranspiration from meteorological data and crop coefficients is presented, based on the FAO Penman-Monteith method.
Journal ArticleDOI
MODIS Collection 5 global land cover: Algorithm refinements and characterization of new datasets
Mark A. Friedl,Damien Sulla-Menashe,Bin Tan,Annemarie Schneider,Navin Ramankutty,Adam Sibley,Xiaoman Huang +6 more
TL;DR: The datasets and algorithms used to create the Collection 5 MODIS Global Land Cover Type product, which is substantially changed relative to Collection 4, are described, with a four-fold increase in spatial resolution and changes in the input data and classification algorithm.
Journal ArticleDOI
Terrestrial ecosystem production: A process model based on global satellite and surface data
Christopher S. Potter,James T. Randerson,Christopher B. Field,Pamela A. Matson,Peter M. Vitousek,Harold A. Mooney,Steven Klooster +6 more
TL;DR: In this paper, the authors present a modeling approach aimed at seasonal resolution of global climatic and edaphic controls on patterns of terrestrial ecosystem production and soil microbial respiration using satellite imagery (Advanced Very High Resolution Radiometer and International Satellite Cloud Climatology Project solar radiation), along with historical climate (monthly temperature and precipitation) and soil attributes (texture, C and N contents) from global (1°) data sets as model inputs.
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A generalised model of forest productivity using simplified concepts of radiation-use efficiency, carbon balance and partitioning
Joe Landsberg,Richard H. Waring +1 more
TL;DR: In this article, a stand growth model, called 3-PG (Use of Physiological Principles in Predicting Growth), calculates total carbon fixed (gross primary production; PG) from utilizable, absorbed photosynthetically active radiation (φp.a.u.), obtained by correcting the photosyntically active radiation absorbed by the forest canopy for the effects of soil drought, atmospheric vapour pressure deficits and stand age.
Journal ArticleDOI
Generating surfaces of daily meteorological variables over large regions of complex terrain
TL;DR: In this paper, a method for generating daily surfaces of temperature, precipitation, humidity, and radiation over large regions of complex terrain is presented, based on the spatial convolution of a truncated Gaussian weighting filter with the set of station locations.
References
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Journal ArticleDOI
Estimating Absorbed Photosynthetic Radiation and Leaf Area Index from Spectral Reflectance in Wheat1
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On the relationship between incoming solar radiation and daily maximum and minimum temperature
TL;DR: In this article, a relationship between atmospheric transmittance and the daily range of air temperature is developed, where the relationship is Tt = A[1 −exp(exp(BΔTc)] where Tt is the daily total atmospherictransmittance, ΔT is the average air temperature, and A, B, and C are empirical coefficients, determined for a particular location from measured solar radiation data.
Production, Turnover, and Nutrient Dynamics of Above and below ground Detritus of World Forests
TL;DR: Evergreen forests accumulate higher forest floor masses than deciduous in similar climatic zones, but in needle-leaved forests none of the climatic factors or latitude explains the variation in amount of aboveground litterfall mass or litterfall nitrogen (N) input.
Journal ArticleDOI
Products, requirements and efficiency of biosynthesis: a quantitative approach
TL;DR: It is demonstrated that the yield of a growth process may be accurately computed by considering the relevant biochemistry of conversion reactions and the cytological implications of biosynthesis and growth.
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