نتایج جستجو برای: pedotransfer functions

تعداد نتایج: 490748  

Journal: :Hydrological Sciences Journal-journal Des Sciences Hydrologiques 2022

Soil hydraulic parameters (SHPs) required as inputs for numerical models are scarce in Sahelian regions. Instead, they estimated using pedotransfer functions (PTFs), but their ability to simulate soil water dynamics has not been evaluated. This study aims parameterize SHPs with seven different PTFs and inverse modelling examine fluxes Senegal’s Groundnut basin. We used four years of field measu...

Journal: :Water 2023

Accurate saturated hydraulic conductivity (Ksat) predictions are critical for precise water flow estimations. Pedotransfer functions (PTFs) have been used to estimate Ksat based on soil structural and textural properties. However, PTF accuracy must be validated with observed values improve confidence in model predictions. A study was conducted the seasonal wetlands of a representative mixed lan...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده ادبیات و زبانهای خارجی 1391

this study was intended to analyze the listening tapescripts of the elementary and pre-intermediate levels of total english textbooks from the pragmatic dimension of language functions and speech acts in order to see whether the listening tasks are pragmatically informative or not. for this purpose, 8 conversations from the two books were selected randomly, and then, the two pragmatic models of...

Journal: :Revista Brasileira de Recursos Hídricos 2021

ABSTRACT The saturated hydraulic conductivity (Ks) is an essential property for modeling water and contaminants movement into aquifers. However, Ks extremely variable, even when considering nearby locations, which poses a challenge at catchment scales. Field measurements of are most the time expensive, time-consuming labor-intensive. This study aimed to obtain, purposes, using pedotransfer func...

Journal: :Frontiers in Environmental Science 2023

Soil hydraulic properties are an important factor to optimize and adapt water management for a given crop. Pedotransfer functions (PTFs) present solution predict soil variables such as properties, using fundamental properties. In this research, we compared two sources of information: iSDAsoil data field data, in four regions Morocco. We then used evaluate published developed new PTFs informatio...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم انسانی 1390

this study investigated the functions, types and frequencies of code switching in the teachers and students discourse in elt classrooms. to this end, the participants of this study including two groups of teachers and students were selected. the first group of participants were two efl teachers teaching general english courses (at two different levels of proficiency) in an institutional program...

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