[PDF] Top 20 ASSESSMENT OF PEDOTRANSFER FUNCTIONS FOR ESTIMATING SOIL WATER RETENTION CURVES FOR THE AMAZON REGION

... Knowledge of the soil water retention curve (SWRC) is essential for understanding and modeling hydraulic processes in the ...determination of the SWRC is time ... See full document

... Pedotransfer functions (PTFs) are equations used to estimate soil characteristics difficult to determine from other easily obtained ...ones. Water retention in soil is used in ... See full document

... that the mineralogy of the clay fraction determines the quantity of water that the soil can retain and that the different crystallographic structures ... See full document

... for the interpretation of the overall results of PTF development: although the predictive capacity for fitting parameters may seem low, water contents calculated using these ... See full document

... described functions that related easily measurable soil attributes, such as particle size distribution and organic matter, to the soil hydraulic characteristics (BOUMA; LANEN, ...basic ... See full document

... Most pedotransfer functions (PTFs) have adopted soil texture information as the main predictor to estimate soil hydraulic properties, whether inputs are defined in terms of ... See full document

... method of data handling (GMDH) combines the advantages of MLR techniques and ANNs (Hecht-Nielsen, ...1990). The GMDH constructs a flexible neural network-type equation to relate inputs to ... See full document

... where the edaphoclimatic properties are different, so their application in tropical regions may be unfeasible (Tomasella et ...some pedotransfer functions have already been established for ... See full document

... for soil science is to translate existing data into data that is ...needed. Pedotransfer functions have been proposed for this purpose and they can be point or parametric when estimating ... See full document

... select the most relevant descriptors with GA, the evolution of the population was simulated (Ferrand et ...individual of the population, defined by a chromosome of binary ... See full document

... measurement of soil potential (suction) using filter ...Development of suction measurement techniques to quantify the water retention behaviour of ... See full document

... material. The main geological units are gneiss, granitoids, schists and ...study, the pedological map (FEAM, 2011) was generalized by considering only the dominant soil class of a ... See full document

... min of isothermal annealing the β phase formed grains with boundaries which are the most ...With the general trend of size reduction grain β phase, with increasing time τ_ia, increase ... See full document

... framework; the agent-oriented framework introduces two different types of ...learner. The manager monitors the learning progress of group and promotes the discussion, if ... See full document

... to the need to monitor soil water tension continuously, the instantaneous profile method is considered laborious, requiring a lot of time, and especially manpower, to set up and ... See full document

... systems of linear equations Ax = b, where A, b are known matrices and x is a vector of ...Systems of linear equations play a prominent role in economics, engineering, physics, chemistry, computer ... See full document

... Instytut Technik Wytwarzania Politechniki Warszawskiej, ul. Recykling materia ł owy by ł ukierunkowany po pierwsze na zmniejszenie ilo ci odpadów w odlewniach precyzyjnych, po drugie u[r] ... See full document

... In the context of water resource management, various methods have been used to obtain or determine soil hydraulic properties, particularly hydrolimits (Štekauerová et ...shorten the ... See full document

... statistical assessment of the effect of chemical composition on mechanical properties of hypereutectic AlSi17 silumin, which is expected to act as a counterpart of alloys used by ... See full document

... with the Mualem restriction, equation 4, and l = n - 2 with the Burdine restriction, equation 5 and a given by equation ...justify the interpretation of a as the inverse of ... See full document