Environmental Modeling Articles
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U.P.R.I. - Provincia Autonoma di Trento, Italy
The project was required to supply an integrated software solution to manage all time series data including multiple telemetered logger networks. The Provincia Autonoma Di Trento is responsible for the water resource management across Trentino - Alto Adige Region. The system was required to encompass the following functions: Central storage for all water and environmental data collected by ...
By KISTERS
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Sydney Water Environment and Innovation
The Hydrographic Group within Sydney Water controls and manages the corporate Hydstra/TS licence, which is used throughout Sydney Water Corporation. The central Hydstra archive is held on the Hydrographic server, and contains over 20,000,000 days of archived data for specific parameters. Data subsets are distributed from here via Hydstra exports to 18 network sites, comprising Sydney Water, AWT, ...
By KISTERS
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Estimation of potential impact on Copenhagen, Denmark due to accidental releases at Nuclear Risk Sites
This paper is focused on the testing of a methodology developed for nuclear risk and vulnerability assessment, and probabilistic evaluation of the long-term atmospheric transport and deposition patterns for radioactive pollutants from selected nuclear risk sites in the Euro-Arctic region. A combination of models (3-D trajectory, DERMA, and HIRLAM) was used to simulate such transport, dispersion, ...
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Simulation of effect of microwave irradiation on I-V characteristics of Josephson junction using RCLSJ model with noise into consideration
I-V characteristics of Josephson junction (JJ) under microwave irradiation is simulated taking the resistance, capacitance and inductance of the junction (RCLSJ) into account. Since most of the JJ made with high TC material operates at high temperature where the thermal fluctuation is playing significant role. In the present simulation, thermal noise is also taken into consideration and simulated ...
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Finite element modelling of nano-structured materials
A finite element model is developed to study the mechanical behaviour of nano-structured materials. The model serves as a link between computational chemistry and solid mechanics by substituting discrete molecular structures with an equivalent-continuum model. As an important example with direct application to the development and characterisation of single-walled carbon nanotubes, the model has ...
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Importance of environmental education on sustainable environmental preferences: a case study of contacts with the natural environment
In many of the current conceptual models, environmental preferences and environmental behaviour are explained by socio-economic variables, such as income, age, gender, profession, by knowledge and information, and by long-term influences of parents on their children in forming these preferences. We employ an empirical study in order to differentiate between these potential determinants by asking ...
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Modelling, analysis and risk evaluation of resource circulation in Asia
A considerable amount of resources is exchanged among Japan and other Asian countries. We call it 'global circulation'. Although such circulation currently causes various environmental pollutions, it will become a hopeful measure for resource conservation. For clarifying the conditions for sustainable global circulation, we evaluate several scenarios of the global circulation from the viewpoints ...
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Mechanism of water permeation through modified carbon nanotubes as a model for peptide nanotube channels
It is of interest to explore transfer of fluid through nanopores because of widespread applications for such systems. Carbon Nanotubes (CNTs) with their exceptional properties are the best candidates as building blocks for nanostructures. Water transfer in lots of biological systems acts as an important role for keeping the tissue working properly. Peptide nanotube is one of the best biological ...
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Fine Particulate Series: PM2.5 nonattainment — What you need to know
In the March 2009 4 The Record article “A Practical Guide to PM2.5,” ALL4’s PM2.5 Team discussed the technical basics of PM2.5 and the specific steps that you can take to assess your position with regard to the challenging regulatory landscape that lies ahead. This month’s article aims to fill in a few technical details regarding PM2.5 nonattainment areas, including a ...
By All4 Inc.
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Quantitative leachate estimation from a pilot-scale lysimeter study
Sanitary landfilling is the most important component of waste management. One of the main concerns is water contamination by leachate. This paper presents the outcome of the research on the water management of landfill in Nepal. The related leachate production as an effect of climatical factors is assessed. The Hydrologic Evaluation of Landfill Performance (HELP) computer model has been used to ...
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Precipitation downscaling in climate modelling using a spatial dependence function
Climate change impacts are among the future significant effects on the socioeconomic, cultural and political affairs of any society, whether as towns, cities, regions, countries and the world at large. It is therefore necessary to predict future impacts by modelling logical and rational scenarios. Such scenarios are available internationally in the Special Report on Emission Scenarios (IPCC) and ...
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The optimal paths of climate change mitigation and adaptation under certainty and uncertainty
Tradeoffs between climate change mitigation and adaptation policies are explored under both certainty and uncertainty with learning using a numerical two-period decision model. We first replicate a version of the Adaptation in DICE climate model (AD-DICE) (de Bruin et al., 2009), which modifies the Dynamic Integrated model of Climate and the Economy (DICE) (Nordhaus and Boyer, 2000) to ...
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Midwest leader Gallagher uniform uses Abanaki to balance stellar service with environmental stewardship
Since 1893, family-owned and operated Gallagher Uniform has provided a full range of uniform service options. Today, the company is set up to meet the needs of virtually every organization in south central Michigan that requires uniforms, from small operations of 10 employees to large enterprises with a workforce of 6,000. The four brothers who currently own and manage the business have over 100 ...
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Counting the costs of chemical incidents
The consequences of a lack of control when using chemical substances in the workplace are well known and apparent. Any health and safety expert can tell you of at least one major accident whereby poor chemical management policies and procedures have lead to disaster. Examples include Bhopal, Grangemouth, Flixborough, Seveso and more recently, Buncefield. Major accidents like these cost the ...
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Environmental impact in 3 numbers
Wouldn’t it be wonderful if the environmental impact of a molecule could be summed up in a few numbers? Such a dream is, of course, impossible, but there is one approach that goes a long way towards this dream. It’s not a new approach, and it is in wide use across a large range of chemical applications, but only recently have the tools become available for it to be applied routinely to a large ...
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S2C2 Inc. utilizes EQuIS, RockWorks and ArcGIS implementing the Triad approach
When implementing the Triad Approach, S2C2 Inc. (S2C2) relies upon EarthSoft’s EQuIS,ESRI’s ArcGIS and Rockware’s RockWorks software toptimize the management andvisualization of large data sets. The USEPA’s Triad Approach incorporates the following threecomponents: systematic planning, real-time measurements and dynamic work strategies. Theprimary goal of this approach is tstreamline site ...
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Ecological Footprint forecasting and estimating using neural networks and DEA
There is a growing consensus that social and economic sustainability depends on limited natural capital. Ecological Footprint (EF) provides an alternative tool to account for natural capital. This study presents two models to research Wuhan's natural capital: first using Genetic Algorithm Neural Networks (GANN) model to forecast the EF; second, employing the DEA model to estimate the ecosystem ...
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Staff spotlight: atmospheric scientist tackles complex air quality issues
George Schewe, a Certified Consulting Meteorologist and Qualified Environmental Professional, joined Trinity’s Covington, Kentucky office in 2008. A veteran of EPA with nearly three decades of consulting experience, George is well-versGeorge Schewe_photoed in air quality regulatory requirements and a master in complex air dispersion modeling analyses. Here is George’s take on his role ...
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Automaking and the new century: Social response product development as corporate strategy
An in-depth case study on how Toyota and Honda utilized a social response product development strategy to liberate a new family of hybrid technologies. SOCIAL RESPONSE PRODUCT DEVELOPMENT The automaker that wins the race to build and sell the superior car will shape consumer preferences, thereby boosting sales and profits. The winning firm will fashion a corporate strategy that drives auto ...
By AHC Group
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Numerical simulation and wind tunnel studies of pollution dispersion in an isolated street canyon
A three dimensional numerical modelling study of an urban isolated street canyon are done using Computational Fluid Dynamics (CFD) software FLUENT. The concentration predictions of FLUENT are compared with the Environmental Wind Tunnel (EWT) test results conducted at Indian Institute of Technology, Delhi for the Aspect Ratio (AR) of 1 and 1.5 at perpendicular wind direction. In FLUENT, three ...
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