نتایج جستجو برای: alternative scenarios

تعداد نتایج: 408107  

2001
M. Dunlop

Future landscapes are the result of many different processes, some controllable and some not, some predictable and others less so. This lack of predictability and controllability are real challenges to landscape planners and modellers alike who are interested in medium to long-term futures. Scenarios are a standard tool for dealing with and describing variation in the future, however it is impo...

2010
Nesrine Elhabib Xavier Boucher Sophie Peillon

This paper presents an engineering approach of product/service oriented value creation chains. When configuring product/service productive networks, a high variability in alternative scenarios have to be considered due to flexibility levers introduced by the service oriented approach. To cope with the difficulty of scenario selection a 2 stages engineering approach is proposed. The first stage ...

2013
Ruohong Cai Woodrow Wilson Michael Oppenheimer

Using an agent-based model, we simulate the climate-induced agricultural labor migration for alternative future climate scenarios. For each agent, the probability of migration is calculated as a function of a set of relevant factors using a logistic regression model. Historical U.S. agricultural employment data was used to calibrate the model. The simulation result showed that larger crop yield...

Journal: :جغرافیا و مخاطرات محیطی 0
محمد رحیم رهنما حسین آقاجانی مهدی فتاحی

introduction environmental protection is one of the most priorities in land use planning. in this regard, place and location have the greatest role and its importance is increasing when the adverse effects of environmental neglect, can cause irreversible situation. selection a suitable location for the burial of solid waste can prevent the unfavourable ecological and socio – economic effects. l...

2004
Inge Mayeres Stef Proost

The objective of the paper is to compare the effects of two alternative transport pricing rules: average cost and marginal social cost pricing. For both pricing scenarios, two alternative ways of using surpluses or financing deficits of the transport sector are used. The first is to change the marginal labour tax rate, the second way is to vary the level of social transfers. The effects of the ...

2008
Marc P. Armstrong Paul J. Densham

Collaborative spatial decision-making environments in which group members individually and collectively pursue solutions to ill-structured problems have a unique set of cartographic visualization requirements. In this paper we restrict our focus to the domain of facility location problems and describe several new map types that are designed to support the process of making comparisons among alt...

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