Open Access. Powered by Scholars. Published by Universities.®

Digital Commons Network™

Open Access. Powered by Scholars. Published by Universities.®

Brigham Young University

Discipline
Keyword
Publication Year
Publication
Publication Type
File Type

Articles 6811 - 6840 of 10253

Full-Text Articles in Entire DC Network

Intertextuality In The Fiction Of Cormac Mccarthy, Benjamin J. Burr Jul 2006

Intertextuality In The Fiction Of Cormac Mccarthy, Benjamin J. Burr

Theses and Dissertations

The moral and aesthetic complexity of Cormac McCarthy's fiction demands sophisticated theoretical reading paradigms. Intertextuality informed by poststructuralism is a theoretical approach that enables one to read the moral and aesthetic elements of McCarthy's work in productive ways. McCarthy's work is augmented by its connection to the works of other great artists and writers. As a result, McCarthy's work forces us to read his precedents from a different framework. An examination of the conversation between Martin Heidegger, Meyer Schapiro, Jacques Derrida, and Frederic Jameson about Van Gogh's A Pair of Boots creates an intertextual framework for examining the connection between …

Go to article

Decision Support For Nitrogen Management In Tile-Drained Agriculture, P. Heilman, R. W. Malone, L. Mac, Jerry L. Hatfield, L.R. Ahuja, J. Ayen, K. Boyle, R. Kanwar Jul 2006

Decision Support For Nitrogen Management In Tile-Drained Agriculture, P. Heilman, R. W. Malone, L. Mac, Jerry L. Hatfield, L.R. Ahuja, J. Ayen, K. Boyle, R. Kanwar

International Congress on Environmental Modelling and Software

Farmers will adopt alternative management systems to improve water quality more readily if they understand how those management alternatives affect the release of contaminants, crop yields, and ultimately, their net income. We propose a method to address these issues by integrating observed data from field experiments, a comprehensive simulation model, review by local experts, and application through a decision support system by technically trained conservationists. An example for reducing nitrogen loading from tile-drained corn and soybean production in Iowa demonstrates the approach. Fourteen years of observed data from 30 research plots on the Northeast Research and Demonstration Farm near Nashua, …

Go to article

Decision Support For Nitrogen Management In Tile-Drained Agriculture, P. Heilman, R. W. Malone, L. Mac, Jerry L. Hatfield, L.R. Ahuja, J. Ayen, K. Boyle, R. Kanwar Jul 2006

Decision Support For Nitrogen Management In Tile-Drained Agriculture, P. Heilman, R. W. Malone, L. Mac, Jerry L. Hatfield, L.R. Ahuja, J. Ayen, K. Boyle, R. Kanwar

International Congress on Environmental Modelling and Software

Farmers will adopt alternative management systems to improve water quality more readily if they understand how those management alternatives affect the release of contaminants, crop yields, and ultimately, their net income. We propose a method to address these issues by integrating observed data from field experiments, a comprehensive simulation model, review by local experts, and application through a decision support system by technically trained conservationists. An example for reducing nitrogen loading from tile-drained corn and soybean production in Iowa demonstrates the approach. Fourteen years of observed data from 30 research plots on the Northeast Research and Demonstration Farm near Nashua, …

Go to article

Ten Steps Applied To Development And Evaluation Of Process-Based Biogeochemical Models Of Estuaries, Barbara J. Robson, Ian T. Webster, David P. Hamilton, Terence Chan, Teemu Kokkonen Jul 2006

Ten Steps Applied To Development And Evaluation Of Process-Based Biogeochemical Models Of Estuaries, Barbara J. Robson, Ian T. Webster, David P. Hamilton, Terence Chan, Teemu Kokkonen

International Congress on Environmental Modelling and Software

The procedures involved in model development may be set out ten-step process, beginning with defining the purpose of the model and ending with evaluation of the appropriateness and utility of the completed model. This process, recently outlined by Jakerman et al. [2006], is often iterative as model development is a continuous process that refines and improves the indented capacity of the model. Here, we show how the ten steps of model development are relevant to process-based biogeochemical modeling of aquatic systems, using examples from two case studies: a model of phytoplankton succession and nutrient concentrations in the Swan-Canning Estuary (Western …

Go to article

Bridging The Design-Use Gap For Dss In Environmental Policy And Practice., K. B. Matthews, M. G. Hutchins, G. Hill Jul 2006

Bridging The Design-Use Gap For Dss In Environmental Policy And Practice., K. B. Matthews, M. G. Hutchins, G. Hill

International Congress on Environmental Modelling and Software

Drawing on the literature of agricultural decision support systems (DSS) and experience in developing tools for policy support and evaluation, this paper argues that while in the main such tools have failed to live up to expectations it may be that the expectations were unrealistic. The design-use gap of DSS for environmental management is partially the inevitable cycle of expectations (unbelief-euphoria-disappointment and maturity or abandonment) experienced by any innovation. The environmental problems facing land managers and society are dauntingly complex. Yet more or better quality information does not inevitably lead to better management. Many of the issues that face land-use …

Go to article

Bayesian Decision Networks - Going Beyond Expert Elicitation For Parameterisation And Evaluation Of Ecological Endpoints., C. A. Pollino, Barry T. Hart Jul 2006

Bayesian Decision Networks - Going Beyond Expert Elicitation For Parameterisation And Evaluation Of Ecological Endpoints., C. A. Pollino, Barry T. Hart

International Congress on Environmental Modelling and Software

Ecological and integrative analyses routinely involve the synthesis of a range of information sources into a single model. Bayesian decision networks (BDN) are increasingly being used for this purpose because they are flexible, transparent and relatively easy to use. Indeed, BDNs offer a scientific and pragmatic approach to improve decision-making in environmental management, directly addressing management needs, while promoting stakeholder participatory processes. However, despite their advantages, many BDNs developed to meet such needs are not being developed or applied to their full potential. The majority of BDNs published to date rely only on expert opinion to parameterise and evaluate ecologically …

Go to article

Mike Basin, David Wood Jul 2006

Mike Basin, David Wood

International Congress on Environmental Modelling and Software

MIKE BASIN addresses water allocation, conjunctive use, reservoir operation, or water quality issues. It couples ArcGIS with hydrologic modeling to provide basin-scale solutions. The MIKE BASIN philosophy is to keep modeling simple and intuitive, yet provide in-depth insight for planning and management. In MIKE BASIN, the emphasis is on both simulation and visualization in both space and time, making it appropriate for building understanding and consensus. MIKE BASIN is a quasi-steady-state mass balance model, allowing for routed river flows. The water quality solution assumes purely advective transport. Decay during transport can be modeled. The groundwater description uses the linear reservoir …

Go to article

The Integrated Model Network Ite2m: Model Set-Up And Assessment Of Agricultural Land Use And Management Options, Wolfgang Reiher, Lutz Breuer, Bernd Weinmann, Thorsten Pohlert, Martin Bach, Rolf A. Düring, Stefan Gäth, Hans Georg Frede Jul 2006

The Integrated Model Network Ite2m: Model Set-Up And Assessment Of Agricultural Land Use And Management Options, Wolfgang Reiher, Lutz Breuer, Bernd Weinmann, Thorsten Pohlert, Martin Bach, Rolf A. Düring, Stefan Gäth, Hans Georg Frede

International Congress on Environmental Modelling and Software

The Integrated Tool for Economic and Ecological Modelling (ITE2M) is developed to assess landscape services of different land use options. ITE2M is a network of several models addressing agroeconomy, agricultural policy and environmental services with respect to soil, water as well as floral and faunal biodiversity. As a central part of ITE2M the agro-economic simulation model ProLand predicts land use distributions that are optimal from an economic point of view. ProLand calculates the spatially differentiated maximum land rent accounting for different natural, technical, economic and political boundary conditions. The site specific outputs of ProLand comprise land rent, land use and …

Go to article

Data Mining As A Tool For Environmental Scientists, J. M. Spate, Karina Gibert, Miquel Sànchez-Marrè, E. Frank, Joaquim Comas, Ioannis N. Athanasiadis Jul 2006

Data Mining As A Tool For Environmental Scientists, J. M. Spate, Karina Gibert, Miquel Sànchez-Marrè, E. Frank, Joaquim Comas, Ioannis N. Athanasiadis

International Congress on Environmental Modelling and Software

Over recent years a huge library of data mining algorithms has been developed to tackle a variety of problems in fields such as medical imaging and network traffic analysis. Many of these techniques are far more flexible than more classical modelling approaches and could be usefully applied to data-rich environmental problems. Certain techniques such as Artificial Neural Networks, Clustering, Case-Based Reasoning and more recently Bayesian Decision Networks have found application in environmental modelling while other methods, for example classification and association rule extraction, have not yet been taken up on any wide scale. We propose that these and other data …

Go to article

Integrated Modeling: Examining The Fate And Transport Of Contaminants In Canadian Lakes And Rivers., William Booty, David Lam, Craig Mccrimmon Jul 2006

Integrated Modeling: Examining The Fate And Transport Of Contaminants In Canadian Lakes And Rivers., William Booty, David Lam, Craig Mccrimmon

International Congress on Environmental Modelling and Software

With the ever increasing introduction of chemicals to the environment (approx. 4000 new chemicals are registered each day), scientists and program managers are faced with an apparently endless and overwhelming task of examining the possible ecological risks of these new chemicals as well as the existing chemicals in aquatic ecosystems. It is also well recognized that no single model will be capable of dealing with all of the different types of chemicals and the environments that these chemicals are released into. It is therefore necessary to be able to integrate a spectrum of best practice models into a system that …

Go to article

Dealing With Uncertainty And Sensitivity Issues In Process-Based Models Of Carbon And Nitrogen Cycles In Northern Forest Ecosystems, G. R. Larocque, J. S. Bhatti, A. M. Gordon, N. Luckai, Jinxun Liu, Shuguang Liu, P. A. Arp, C. -F Zhang, Alexander Komarov, Pavel Grabarnik, M. Wattenbach, C. Peng, Jianfeng Sun, Thomas White Jul 2006

Dealing With Uncertainty And Sensitivity Issues In Process-Based Models Of Carbon And Nitrogen Cycles In Northern Forest Ecosystems, G. R. Larocque, J. S. Bhatti, A. M. Gordon, N. Luckai, Jinxun Liu, Shuguang Liu, P. A. Arp, C. -F Zhang, Alexander Komarov, Pavel Grabarnik, M. Wattenbach, C. Peng, Jianfeng Sun, Thomas White

International Congress on Environmental Modelling and Software

Many process-based models on carbon (C) and nitrogen (N) cycles have been developed for northern forest ecosystems. These models are widely used to evaluate the long-term decisions in forest management dealing with effects like particulate pollution, productivity and climate change. Regarding climate change, one of the key questions that have sensitive political implications is whether northern forests will sequester atmospheric C or not. Whilst many process-based models have been tested for accuracy by evaluating or validating against observed data, few have dealt with the complexity of the incorporated procedures to estimate uncertainties associated with model predictions or the sensitivity of …

Go to article

Optimization Of Grazing Management For Watershed Sediment Control, Y. Duan, P. Heilman, D. Phillip Guertin Jul 2006

Optimization Of Grazing Management For Watershed Sediment Control, Y. Duan, P. Heilman, D. Phillip Guertin

International Congress on Environmental Modelling and Software

Grazing on rangelands can increase erosion that is a major source of nonpoint source pollution. Grazing management is important in maintaining vegetation cover, which consequently impacts erosion and sediment yield. This paper uses a representative ranch model to define grazing management from an economic perspective. The model maximizes the profit of a representative ranch that can utilize all grazing lands in a watershed with constraints on forage resources, sustainable utilization, and production technology and sediment yield control objectives. A case study for the Walnut Gulch Watershed in Arizona showed a shift of the spatial distribution of optimal stocking rates with …

Go to article

Τhe Integrated Model Network Ite2m: Model Set-Up And Assessment Of Agricultural Land Use And Management Options., Wolfgang Reiher, Lutz Breuer, Bernd Weinmann, Thorsten Pohlert, Martin Bach, Rolf A. Düring, Stefan Gäth, Hans Georg Frede Jul 2006

Τhe Integrated Model Network Ite2m: Model Set-Up And Assessment Of Agricultural Land Use And Management Options., Wolfgang Reiher, Lutz Breuer, Bernd Weinmann, Thorsten Pohlert, Martin Bach, Rolf A. Düring, Stefan Gäth, Hans Georg Frede

International Congress on Environmental Modelling and Software

The Integrated Tool for Economic and Ecological Modelling (ITE2M) is developed to assess landscape services of different land use options. ITE2M is a network of several models addressing agroeconomy, agricultural policy and environmental services with respect to soil, water as well as floral and faunal biodiversity. As a central part of ITE2M the agro-economic simulation model ProLand predicts land use distributions that are optimal from an economic point of view. ProLand calculates the spatially differentiated maximum land rent accounting for different natural, technical, economic and political boundary conditions. The site specific outputs of ProLand comprise land rent, land use and …

Go to article

Free And Open Source Geospatial Tools For Environmental Modeling And Management, Ari Jolma, Daniel P. Ames, N. Horning, M. Neteler, Aaron Racicot, T. Sutton Jul 2006

Free And Open Source Geospatial Tools For Environmental Modeling And Management, Ari Jolma, Daniel P. Ames, N. Horning, M. Neteler, Aaron Racicot, T. Sutton

International Congress on Environmental Modelling and Software

Geospatial software tools (GIS) are used for creating, viewing, managing, analyzing, and utilizing geospatial data. Geospatial data can include socio-economic, environmental, geophysical, and technical data about the Earth and societal infrastructure and it is pivotal in environmental modeling and management (EMM). Desktop, web-based, and embedded geospatial tools and systems have become an essential part of EMM. Environmental simulation models often require pre- or post-processing of geospatial data, or they can be tightly linked to a GIS, using it as a graphical user interface (GUI). Many local, regional, national, and international efforts are underway to create geospatial data infrastructures and tools …

Go to article

Ten Steps Applied To Development And Evaluation Of Process-Based Biogeochemical Models Of Estuaries, Barbara J. Robson, Ian T. Webster, David P. Hamilton, Terence Chan, Teemu Kokkonen Jul 2006

Ten Steps Applied To Development And Evaluation Of Process-Based Biogeochemical Models Of Estuaries, Barbara J. Robson, Ian T. Webster, David P. Hamilton, Terence Chan, Teemu Kokkonen

International Congress on Environmental Modelling and Software

The procedures involved in model development may be set out ten-step process, beginning with defining the purpose of the model and ending with evaluation of the appropriateness and utility of the completed model. This process, recently outlined by Jakerman et al. [2006], is often iterative as model development is a continuous process that refines and improves the indented capacity of the model. Here, we show how the ten steps of model development are relevant to process-based biogeochemical modeling of aquatic systems, using examples from two case studies: a model of phytoplankton succession and nutrient concentrations in the Swan-Canning Estuary (Western …

Go to article

Integrated Modeling: Examining The Fate And Transport Of Contaminants In Canadian Lakes And Rivers., William Booty, David Lam, Craig Mccrimmon Jul 2006

Integrated Modeling: Examining The Fate And Transport Of Contaminants In Canadian Lakes And Rivers., William Booty, David Lam, Craig Mccrimmon

International Congress on Environmental Modelling and Software

With the ever increasing introduction of chemicals to the environment (approx. 4000 new chemicals are registered each day), scientists and program managers are faced with an apparently endless and overwhelming task of examining the possible ecological risks of these new chemicals as well as the existing chemicals in aquatic ecosystems. It is also well recognized that no single model will be capable of dealing with all of the different types of chemicals and the environments that these chemicals are released into. It is therefore necessary to be able to integrate a spectrum of best practice models into a system that …

Go to article

Current Trends In Environmental Modelling With Uncertainty., Jiří Hřebíček, Jan Pesl Jul 2006

Current Trends In Environmental Modelling With Uncertainty., Jiří Hřebíček, Jan Pesl

International Congress on Environmental Modelling and Software

The important characteristic feature of environmental modelling is the complexity and uncertainty of its mathematical representation (uncertainty of formula). Imprecision of its input data is another characteristic feature, where it is not possible to omit influences of primary monitoring (e.g. gaps of data, errors of measuring facilities, human factor, etc). Many parameters in algorithms and their mathematical formulations are substituted by empirical constants in praxis, although it is well known that their values are very volatile and input data are not validated. Nowadays, information and communication technology (ICT) capabilities are growing rapidly and applied mathematical software (e.g. computer algebra systems, …

Go to article

Τhe Integrated Model Network Ite2m: Model Set-Up And Assessment Of Agricultural Land Use And Management Options., Wolfgang Reiher, Lutz Breuer, Bernd Weinmann, Thorsten Pohlert, Martin Bach, Rolf A. Düring, Stefan Gäth, Hans Georg Frede Jul 2006

Τhe Integrated Model Network Ite2m: Model Set-Up And Assessment Of Agricultural Land Use And Management Options., Wolfgang Reiher, Lutz Breuer, Bernd Weinmann, Thorsten Pohlert, Martin Bach, Rolf A. Düring, Stefan Gäth, Hans Georg Frede

International Congress on Environmental Modelling and Software

The Integrated Tool for Economic and Ecological Modelling (ITE2M) is developed to assess landscape services of different land use options. ITE2M is a network of several models addressing agroeconomy, agricultural policy and environmental services with respect to soil, water as well as floral and faunal biodiversity. As a central part of ITE2M the agro-economic simulation model ProLand predicts land use distributions that are optimal from an economic point of view. ProLand calculates the spatially differentiated maximum land rent accounting for different natural, technical, economic and political boundary conditions. The site specific outputs of ProLand comprise land rent, land use and …

Go to article

Supporting Multidisciplinary Model-Based Water Management Projects: A User Perspective, Huub Scholten, Ayalew Kassahun Jul 2006

Supporting Multidisciplinary Model-Based Water Management Projects: A User Perspective, Huub Scholten, Ayalew Kassahun

International Congress on Environmental Modelling and Software

Multidisciplinary model-based water management is a complex process. Projects that have to follow this process may encounter many problems, related to miscommunication, malpractice, misuse of the model, insufficient knowledge of the modeled problems and overselling of model capabilities. This leads to model projects, which are not transparent and difficult to audit. The knowledge-based system consists of an ontological knowledge base (KB) with ‘best modelling practices’ for teams, which members have different disciplinary backgrounds and play different roles in a project, and a Modelling Support Tool (MoST). MoST generates and presents guidelines from the KB on what to do. MoST also …

Go to article

Impacts Of Agriculture And Dairy Farming On Groundwater Quality: An Optimization Problem, Tomaz Dentinho, R. Minciardi, M. Robba, Roberto Sacile, V. Silva Jul 2006

Impacts Of Agriculture And Dairy Farming On Groundwater Quality: An Optimization Problem, Tomaz Dentinho, R. Minciardi, M. Robba, Roberto Sacile, V. Silva

International Congress on Environmental Modelling and Software

A decision model for groundwater quality preservation in areas affected by intensive agriculture and dairy farming, with specific reference to the Azores islands, is presented. In these islands, the exigency to find appropriate instruments to support decisions in Integrated Water Management (IWM) is particularly felt because the increase of tourism and the dairy farming have increased water demands and depletion of water quality. An optimization problem, in terms of decision variables, objectives, and constraints is formalized. The physical/chemical/ecological models are embedded as constraints in the decision model. Specifically, four types of models (hydraulic model, chemical model, agricultural model, and dairy …

Go to article

Bayesian Decision Networks - Going Beyond Expert Elicitation For Parameterisation And Evaluation Of Ecological Endpoints., C. A. Pollino, Barry T. Hart Jul 2006

Bayesian Decision Networks - Going Beyond Expert Elicitation For Parameterisation And Evaluation Of Ecological Endpoints., C. A. Pollino, Barry T. Hart

International Congress on Environmental Modelling and Software

Ecological and integrative analyses routinely involve the synthesis of a range of information sources into a single model. Bayesian decision networks (BDN) are increasingly being used for this purpose because they are flexible, transparent and relatively easy to use. Indeed, BDNs offer a scientific and pragmatic approach to improve decision-making in environmental management, directly addressing management needs, while promoting stakeholder participatory processes. However, despite their advantages, many BDNs developed to meet such needs are not being developed or applied to their full potential. The majority of BDNs published to date rely only on expert opinion to parameterise and evaluate ecologically …

Go to article

Optimization Of Grazing Management For Watershed Sediment Control, Y. Duan, P. Heilman, D. Phillip Guertin Jul 2006

Optimization Of Grazing Management For Watershed Sediment Control, Y. Duan, P. Heilman, D. Phillip Guertin

International Congress on Environmental Modelling and Software

Grazing on rangelands can increase erosion that is a major source of nonpoint source pollution. Grazing management is important in maintaining vegetation cover, which consequently impacts erosion and sediment yield. This paper uses a representative ranch model to define grazing management from an economic perspective. The model maximizes the profit of a representative ranch that can utilize all grazing lands in a watershed with constraints on forage resources, sustainable utilization, and production technology and sediment yield control objectives. A case study for the Walnut Gulch Watershed in Arizona showed a shift of the spatial distribution of optimal stocking rates with …

Go to article

Combining Participatory Approaches And Modelling: Lessons From Two Practical Cases Of Policy Support, H. Van Deldena, Guy Engelen Jul 2006

Combining Participatory Approaches And Modelling: Lessons From Two Practical Cases Of Policy Support, H. Van Deldena, Guy Engelen

International Congress on Environmental Modelling and Software

In this paper two different policy exercises carried out with the METRONAMICA land use modelling framework are discussed. The first aims at finding suitable locations for the expansion of residential and business activities in Utrecht Province, the Netherlands. It takes into consideration future economic and demographic developments as well as all other land use claims in the province. The second was carried out as part of the EEA-PRELUDE project and aimed at exploring the impacts of different scenarios on land use developments and the state of the environment in Europe. Both exercises are similar in combining a participatory approach with …

Go to article

Free And Open Source Geospatial Tools For Environmental Modeling And Management, Ari Jolma, Daniel P. Ames, N. Horning, M. Neteler, Aaron Racicot, T. Sutton Jul 2006

Free And Open Source Geospatial Tools For Environmental Modeling And Management, Ari Jolma, Daniel P. Ames, N. Horning, M. Neteler, Aaron Racicot, T. Sutton

International Congress on Environmental Modelling and Software

Geospatial software tools (GIS) are used for creating, viewing, managing, analyzing, and utilizing geospatial data. Geospatial data can include socio-economic, environmental, geophysical, and technical data about the Earth and societal infrastructure and it is pivotal in environmental modeling and management (EMM). Desktop, web-based, and embedded geospatial tools and systems have become an essential part of EMM. Environmental simulation models often require pre- or post-processing of geospatial data, or they can be tightly linked to a GIS, using it as a graphical user interface (GUI). Many local, regional, national, and international efforts are underway to create geospatial data infrastructures and tools …

Go to article

Experience Gained From The Use Of Environmental Information Systems For The Public In The State Of Baden-Wuerttemberg, Werner Geiger, C. Düpmeier, M. Ruchter, T. Schlachter, R. Ebel, M. Linnenbach Jul 2006

Experience Gained From The Use Of Environmental Information Systems For The Public In The State Of Baden-Wuerttemberg, Werner Geiger, C. Düpmeier, M. Ruchter, T. Schlachter, R. Ebel, M. Linnenbach

International Congress on Environmental Modelling and Software

For the protection of the natural environment and a sustainable development, joint responsibility and participation of the citizens are indispensable. In this connection, enlightenment and information of the public and the promotion of environmental awareness play a crucial role. This contribution shall present various environmental information systems for the public and report about the experience gained from their development and operation. The systems have been developed as parts of the Baden-Wuerttemberg Environmental Information System by Forschungszentrum Karlsruhe in cooperation with the State Institute for the Environment, Measurements, and Nature Protection. In particular, the Baden-Wuerttemberg Environmental Information Network with a portal …

Go to article

Combining Participatory Approaches And Modelling: Lessons From Two Practical Cases Of Policy Support, H. Van Deldena, Guy Engelen Jul 2006

Combining Participatory Approaches And Modelling: Lessons From Two Practical Cases Of Policy Support, H. Van Deldena, Guy Engelen

International Congress on Environmental Modelling and Software

In this paper two different policy exercises carried out with the METRONAMICA land use modelling framework are discussed. The first aims at finding suitable locations for the expansion of residential and business activities in Utrecht Province, the Netherlands. It takes into consideration future economic and demographic developments as well as all other land use claims in the province. The second was carried out as part of the EEA-PRELUDE project and aimed at exploring the impacts of different scenarios on land use developments and the state of the environment in Europe. Both exercises are similar in combining a participatory approach with …

Go to article

Supporting Multidisciplinary Model-Based Water Management Projects: A User Perspective, Huub Scholten, Ayalew Kassahun Jul 2006

Supporting Multidisciplinary Model-Based Water Management Projects: A User Perspective, Huub Scholten, Ayalew Kassahun

International Congress on Environmental Modelling and Software

Multidisciplinary model-based water management is a complex process. Projects that have to follow this process may encounter many problems, related to miscommunication, malpractice, misuse of the model, insufficient knowledge of the modeled problems and overselling of model capabilities. This leads to model projects, which are not transparent and difficult to audit. The knowledge-based system consists of an ontological knowledge base (KB) with ‘best modelling practices’ for teams, which members have different disciplinary backgrounds and play different roles in a project, and a Modelling Support Tool (MoST). MoST generates and presents guidelines from the KB on what to do. MoST also …

Go to article

Mike Basin, David Wood Jul 2006

Mike Basin, David Wood

International Congress on Environmental Modelling and Software

MIKE BASIN addresses water allocation, conjunctive use, reservoir operation, or water quality issues. It couples ArcGIS with hydrologic modeling to provide basin-scale solutions. The MIKE BASIN philosophy is to keep modeling simple and intuitive, yet provide in-depth insight for planning and management. In MIKE BASIN, the emphasis is on both simulation and visualization in both space and time, making it appropriate for building understanding and consensus. MIKE BASIN is a quasi-steady-state mass balance model, allowing for routed river flows. The water quality solution assumes purely advective transport. Decay during transport can be modeled. The groundwater description uses the linear reservoir …

Go to article

Impacts Of Agriculture And Dairy Farming On Groundwater Quality: An Optimization Problem, Tomaz Dentinho, R. Minciardi, M. Robba, Roberto Sacile, V. Silva Jul 2006

Impacts Of Agriculture And Dairy Farming On Groundwater Quality: An Optimization Problem, Tomaz Dentinho, R. Minciardi, M. Robba, Roberto Sacile, V. Silva

International Congress on Environmental Modelling and Software

A decision model for groundwater quality preservation in areas affected by intensive agriculture and dairy farming, with specific reference to the Azores islands, is presented. In these islands, the exigency to find appropriate instruments to support decisions in Integrated Water Management (IWM) is particularly felt because the increase of tourism and the dairy farming have increased water demands and depletion of water quality. An optimization problem, in terms of decision variables, objectives, and constraints is formalized. The physical/chemical/ecological models are embedded as constraints in the decision model. Specifically, four types of models (hydraulic model, chemical model, agricultural model, and dairy …

Go to article

Ribasim River Basin Planning And Management Simulation Program, Delft Hydraulics Jul 2006

Ribasim River Basin Planning And Management Simulation Program, Delft Hydraulics

International Congress on Environmental Modelling and Software

RIBASIM (River Basin Simulation Model) is a generic model package for analyzing the behaviour of river basins under various hydrological conditions. The model package is a comprehensive and flexible tool which links the hydrological water inputs at various locations with the specific water-users in the basin. RIBASIM is designed for river basin planning and management RIBASIM follows a structured approach to river basin planning and management. RIBASIM enables the user to evaluate a variety of measures related to infrastructure, operational and demand management and the results in terms of water quantity and water quality. RIBASIM generates water distribution patterns and …

Go to article

First Prev Next Last