نتایج جستجو برای: multi layered aquifer system
تعداد نتایج: 2596370 فیلتر نتایج به سال:
This paper presents a geostatistical approach to multi-directional aquifer stimulation in order to better identify the transmissivity ®eld. Hydraulic head measurements, taken at a few locations but under a number of different steady-state ̄ow conditions, are used to estimate the transmissivity. Well installation is generally the most costly aspect of obtaining hydraulic head measurements. There...
In this paper, we explore the computational potential and limitations of the multi-layered con-nectionist models [Minsky and Papert, 1968]. We found that the number of layers and the width are two crucial parameters for the multi-layered connectionist models. If each layer has the same size n and we increment the number of layers by 1, then the number of problems solved will increase 0{n 3) tim...
The field of crowd simulation attempts to model crowd movement of both people and animals. Typical research in this field aims to develop systems which model the interaction between multiple instances of the same type of character. This dissertation examines two aspects of crowd simulation which are often not considered, the movement of crowds containing characters of vastly different sizes and...
agent technology is an emerging and promising research area in software technology, which increasingly contributes to the development of value-added information systems for large healthcare organizations due to its capability to automatically modify themselves in response to changes in their operating environment. multi agent system (mas) approach is the construction of a complex system as a se...
Groundwater in coastal areas is commonly disturbed by tidal fluctuations. A two-dimensional analytical solution is derived to describe the groundwater fluctuation in a leaky confined aquifer system near open tidal water under the assumption that the groundwater head in the confined aquifer fluctuates in response to sea tide whereas that of the overlying unconfined aquifer remains constant. The ...
A U.S. Geological Survey (USGS) study of the transport of anthropogenic and natural contaminants to public-supply wells (PSWs) in four aquifer systems documents the occurrence and distribution of arsenic and uranium, and determines some of the mechanisms for their mobilization and movement. The study areas include a glacial aquifer system in Woodbury, Connecticut (referred to herein as CT); the...
We present a preliminary report of a probabilistic spoken-language interpretation mechanism that is part of a dialogue system for an office assistant robot. We offer a probabilistic formulation for the generation of candidate interpretations and the selection of the interpretation with the highest posterior probability. This formulation is implemented in a multi-layered interpretation process t...
Aquitards are capable of generating and preserving large amounts of chemicals. The release of the chemicals from the aquitards poses a potential contamination risk to groundwater that may be used as a drinking water source. This work aimed to identify the contribution of hydrogeochemical processes in the aquitards to groundwater hydrochemistry in the underlying confined basal aquifer by studyin...
introduction: groundwater is the largest resource of water supplement and shortages of surface water supplies in drought conditions that requires an increase in groundwater discharge. groundwater flow dependson the subsurface properties such as hydraulic gradient (water table gradient or head loss in artesian condition) and hydrodynamic coefficients. the flow treatment is analyzed with an accur...
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