نتایج جستجو برای: assimilation pattern

تعداد نتایج: 366938  

2009
Temtim Assefa Solomon Negash Donald L. Amoroso

Information and Communication Technology (ICT) affects how organizations deliver services to their customers. ICT is now used not only to improve back office routine activities but also to act as strategic partner for achieving organizational goals. Although ICT has many benefits for organizations, its assimilation is the most challenging process as there are high failure rates as reported by m...

Journal: :Social science research 2008
Emily Greenman Yu Xie

The relationship between assimilation and the well-being of immigrant children has been the focus of debate in the recent sociological literature. Much of this work has questioned whether classical theories of immigrant adaptation, which assumed assimilation to be an integral part of the process of upward mobility for immigrants, are still applicable to today's immigrant children. This study re...

Journal: :CoRR 2014
Rosângela Saher Corrêa Cintra Haroldo F. de Campos Velho

This paper presents an approach for employing an artificial neural network (NN) to emulate an ensemble Kalman filter (EnKF) as a method of data assimilation. The assimilation methods are tested in the Simplified Parameterizations PrimitivE-Equation Dynamics (SPEEDY) model, an atmospheric general circulation model (AGCM), using synthetic observational data simulating localization of balloon soun...

2014
Silke C. Weckopp Stanislav Kopriva

C4 photosynthesis characteristically features a cell-specific localization of enzymes involved in CO2 assimilation in bundle sheath cells (BSC) or mesophyll cells. Interestingly, enzymes of sulfur assimilation are also specifically present in BSC of maize and many other C4 species. This localization, however, could not be confirmed in C4 species of the genus Flaveria. It was, therefore, conclud...

Babak Peykarestan Hamid Madani Hossin Heidari Sharif Abad Mehrdad Yarnia, Vahram Rashidi

To assessment growth physiological charachteristics of two hybrids of sweet corn affected different irrigation pattern and zinc fertilization, a research was conducted as split plot factorial experiment based on randomized complete blocks design with three replications. Main factor included different levels of irrigation pattern included conventional furrow irrigation, fixed every other furrow ...

Journal: :Discrete and Continuous Dynamical Systems 2023

We introduce a localized version of the nudging data assimilation algorithm for periodic 2D Navier-Stokes equations in which observations are confined (i.e., localized) to window that moves across entire domain along predetermined path at given speed. prove that, if movement is fast enough, then perfectly synchronizes with reference solution. The analysis suggests an informed scheme subdomain a...

2002
ELI GALANTI ELI TZIPERMAN MATTHEW HARRISON ANTHONY ROSATI

An experimental ENSO prediction system is presented, based on an ocean general circulation model (GCM) coupled to a statistical atmosphere and the adjoint method of 4D variational data assimilation. The adjoint method is used to initialize the coupled model, and predictions are performed for the period 1980–99. The coupled model is also initialized using two simpler assimilation techniques: for...

2010
Haishan Chen Robert E. Dickinson Yongjiu Dai Liming Zhou

Accurate simulations of terrestrial carbon assimilation and canopy transpiration are needed for both climate modeling and vegetation dynamics. Coupled stomatal conductance and carbon assimilation (A gs) models have been widely used as part of land surface parameterizations in climate models to describe the biogeophysical and biogeochemical roles of terrestrial vegetation. Differences in various...

2007
Stephen R. Lewis Peter L. Read Barney J. Conrath John C. Pearl Michael D. Smith

The Thermal Emission Spectrometer aboard the Mars Global Surveyor spacecraft has produced an extensive atmospheric data set, beginning during aerobraking and continuing throughout the extended scientific mapping phase. Temperature profiles for the atmosphere below about 40 km, surface temperatures and total dust and water ice opacities, can be retrieved from infrared spectra in nadir viewing mo...

2012
Zhenghui Hu Cong Liu Pengcheng Shi Huafeng Liu

The change of BOLD signal relies heavily upon the resting blood volume fraction ([Formula: see text]) associated with regional vasculature. However, existing hemodynamic data assimilation studies pretermit such concern. They simply assign the value in a physiologically plausible range to get over ill-conditioning of the assimilation problem and fail to explore actual [Formula: see text]. Such p...

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