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Integrated assessment

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Iwram: An Integrated Modelling Toolbox For Considering Impacts Of Development And Land Use Change In Northern Thailand, R. A. Letcher, B. F. W. Croke, A. J. Jakeman, Wendy S. Merritt, P. Perez Jul 2002

Iwram: An Integrated Modelling Toolbox For Considering Impacts Of Development And Land Use Change In Northern Thailand, R. A. Letcher, B. F. W. Croke, A. J. Jakeman, Wendy S. Merritt, P. Perez

International Congress on Environmental Modelling and Software

The IWRAM Decision Support System was developed to consider economic, environmental, and sociocultural trade-offs involved with resource competition and development in the Mae Chaem catchment in Northern Thailand. IWRAM contains two modelling toolboxes utilising a nodal network structure for catchment analysis: a Biophysical Toolbox, for considering the biophysical (erosion, streamflow, crop) implications of 'painted on' land use scenarios; and, an Integrated Modelling Toolbox, which links models of household decision making with the biophysical toolbox to allow for consideration of socioeconomic and environmental trade-offs of many development and policy scenarios. This paper describes the Integrated Modelling Toolbox within the IWRAM system. …


Participatory Natural Resource Management: A Comparison Of Four Case Studies, M. Hare, R. A. Letcher, A. J. Jakeman Jul 2002

Participatory Natural Resource Management: A Comparison Of Four Case Studies, M. Hare, R. A. Letcher, A. J. Jakeman

International Congress on Environmental Modelling and Software

This paper presents an overview of four recent participatory resource management projects carried outon three continents. The aim is to elicit from these case studies a description of participatory process structures aswell as an analysis of the driving forces behind the selection of stakeholders and their involvement inmanagement projects. The case studies represent four different process structures set up to achieve two categoriesof process goal. They also suggest four main drivers in the design of such structures: process goals, existingpower structures, process direction and stakeholder numbers. The concept of scale of action mismatch isintroduced as directly affecting two out of …


Integrating Stakeholder Imagination With Scientific Theory: A Case Study Of Lake Lanier, Usa, O. O. Osidele, M. B. Beck Jul 2002

Integrating Stakeholder Imagination With Scientific Theory: A Case Study Of Lake Lanier, Usa, O. O. Osidele, M. B. Beck

International Congress on Environmental Modelling and Software

We present a framework for computational analysis of reachable futures, centred on the analysisof uncertainty, in which stakeholder participation is integral to generating environmental foresight. In ourcase study, we examine the long-term ecological behaviour of Lake Lanier, Georgia, south-eastern USA. Weelicit stakeholders' fears and desires for the future state of the reservoir during a foresight workshop session,from which we encode long-term behaviour definitions (scenarios) for the analysis. A generalised ecologicalmodel provides the mechanism for propagating a set of uncertain input factors – namely, process parameters,initial conditions, and forcing functions – into the future. We employ three sampling-based methods foridentifying and …


A Conceptual Model For Integrated Assessment, Markus Knoflacher Jul 2002

A Conceptual Model For Integrated Assessment, Markus Knoflacher

International Congress on Environmental Modelling and Software

The challenge of integrated assessment is the integration of scientific and social aspects for the preparation of decisions. On one hand it is necessary to find scientific and technologically sound solutions, on the other hand the results should meet the interests of social groups affected by the particular project. In large projects it is also necessary to consider the effects on sustainable development. The bandwidth of the different aspects is in practise confronted with problems in acquisition of data, inhomogeneity and incompleteness of information about the actual conditions and the effects of the project. To solve the task in a …


Experiences In An Integrated Assessment Of Water Allocation Issues In The Namoi River Catchment, Australia, R. A. Letcher, A. J. Jakeman Jul 2002

Experiences In An Integrated Assessment Of Water Allocation Issues In The Namoi River Catchment, Australia, R. A. Letcher, A. J. Jakeman

International Congress on Environmental Modelling and Software

The Namoi river catchment in northern NSW is an important irrigation region. However water resources in this region are increasingly stressed. Both surface and groundwater supplies are overallocated in many areas of the catchment. Management options to reduce allocations in line with available supply and environmental requirements are expected to have long term social, economic and environmental implications. This paper looks at an integrated assessment model which has been developed to assess long term outcomes of management options for water allocation in the catchment. The development of this tool has been undertaken using an iterative approach with key stakeholders. Feedback …