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Articles 631 - 636 of 636
Full-Text Articles in Data Storage Systems
Calibration Of Simulation Platforms Including Highly Interweaved Processes: The Maelia Multi-Agent Platform, Romain Lardy, Pierre Mazzega, Christophe Sibertin-Blanc, Yves Auda, José-Miguel Sanchez-Perez, Sabine Sauvage, Olivier Therond
Calibration Of Simulation Platforms Including Highly Interweaved Processes: The Maelia Multi-Agent Platform, Romain Lardy, Pierre Mazzega, Christophe Sibertin-Blanc, Yves Auda, José-Miguel Sanchez-Perez, Sabine Sauvage, Olivier Therond
International Congress on Environmental Modelling and Software
The MAELIA project develops an agent-based modeling and simulation platform to study the environmental, economic and social impacts of various regulations regarding water use and water management in combination with climate change. An integrated modelling approach has been used to model the investigated social-ecological system. MAELIA combines spatiotemporal models of ecologic (e.g. water flow and plant growth) and human decision-making processes (e.g. cropping plan), socio-economic dynamics (e.g. land cover changes). Due to the diversity and the interweaving of the processes considered, the calibration and evaluation of such a multi-agent platform is a scientific challenge. Indeed, many parameters can reveal to …
An Environmental Modeling Language For Agents And Fields, Kor De Jong, Merijn De Bakker, Derek Karssenberg
An Environmental Modeling Language For Agents And Fields, Kor De Jong, Merijn De Bakker, Derek Karssenberg
International Congress on Environmental Modelling and Software
Environmental modeling involves manipulating environmental attributes represented in software by agents, fields or both, but most modeling environments are designed to be especially useful for either agent-based or field-based modeling. Agent-based and field-based modeling environments have different properties with respect to their ease of use and how well both agents and fields can be represented and manipulated. Most agent-based modeling environments require the modeler to use a general purpose object oriented programming language like Java to express models, while field-based modeling environments often implement a high level, domain specific imperative language based on map algebra, or extent a general purpose …
An Integrated Approach For Including Social Capacities, And Economic Valuation In Risk Assessment Of Water Related Hazards In Uncertain Scenarios, Carlo Giupponi, Vahid Mojtahed, Animesh K. Gain, Stefano Balbi, Claudio Biscaro
An Integrated Approach For Including Social Capacities, And Economic Valuation In Risk Assessment Of Water Related Hazards In Uncertain Scenarios, Carlo Giupponi, Vahid Mojtahed, Animesh K. Gain, Stefano Balbi, Claudio Biscaro
International Congress on Environmental Modelling and Software
We propose a conceptual framework, KR-FWK (i.e. KULTURisk Framework from the name of the European project within which it originated) and its implementation methods SERRA (Socio-Economic Regional Risk Assessment) for integrated (physical and economical) risk assessment, and economic valuation of risk prevention benefits on multiple receptors. The KR-FWK and the SERRA approach are characterised by: (i) integration of physical-environmental dimensions and the socio-economic ones in risk assessment; (ii) consideration of the role of social capacities (adaptive and coping capacity) in reducing risk and related costs, (iii) quantitative (even monetary) assessment of risks and of the benefits of risk reduction measures, …
Agile Workflows For Climate Impact Risk Assessment Based On The Ci:Grasp Platform And The Jabc Modeling Framework, Samih Al-Areqi, Anna-Lena Lamprecht, Tiziana Margaria, Steffen Kriewald, Dominik Reusser, Markus Wrobel
Agile Workflows For Climate Impact Risk Assessment Based On The Ci:Grasp Platform And The Jabc Modeling Framework, Samih Al-Areqi, Anna-Lena Lamprecht, Tiziana Margaria, Steffen Kriewald, Dominik Reusser, Markus Wrobel
International Congress on Environmental Modelling and Software
Analyzing and assessing potential impacts of climate change are critical and challenging tasks that require the processing of large and heterogeneous datasets. These analyses are particularly demanding because of the multi-scale and multi-objective nature of environmental modeling for climate change impact assessment. The Climate Impacts: Global and Regional Adaptation Support Platform (ci:grasp) is a web-based climate information service for exploring climate change related information in its geographical context. In this paper, we show how the agile workflow development style supported by the jABC process modeling and execution framework permits us to leverage the processes implemented in the ci:grasp platform to …
The Data Processing Inequality And Environmental Model Prediction, Steven V. Weijs
The Data Processing Inequality And Environmental Model Prediction, Steven V. Weijs
International Congress on Environmental Modelling and Software
Prediction in environmental systems, such as hydrological streamflow prediction, is a challenging task. Although on a small scale, many of the physical processes are well described, accurate predictions of macroscopical (e.g. catchment scale) behavior with a bottom-up mechanistic approach often remains elusive. On the other hand, conceptual or purely statistical models fitted to data often perform surprisingly well for prediction. The data processing inequality, from the field of information theory, says that processing data with statistical procedures can only decrease, and not increase the information content of the data. This seems to contradict the intuition that our knowledge of physical …
Managing Agricultural Landscapes For Favouring Ecosystem Services Provided By Biodiversity: A Spatially Explicit Model Of Crop Rotations In The Gama Simulation Platform, Hugo Thierry, Aude Vialatte, Jean-Philippe Choisis, Benoit Gaudou, Claude Monteil
Managing Agricultural Landscapes For Favouring Ecosystem Services Provided By Biodiversity: A Spatially Explicit Model Of Crop Rotations In The Gama Simulation Platform, Hugo Thierry, Aude Vialatte, Jean-Philippe Choisis, Benoit Gaudou, Claude Monteil
International Congress on Environmental Modelling and Software
The need to reduce the use of pesticides in agricultural ecosystems requires studying and developing new pest regulation methods. Individual-based models are useful to better understand how dynamics of insects interact with agricultural landscapes and to study the potential effects of alternative regulation methods, taking into account the spatial and temporal stochasticity of agricultural ecosystems caused by human management. Crop rotations and crop phenology have an important impact on the life cycles of populations of insects. We developed an individual-based model simulating the dynamics of an agricultural landscape from GIS data. The spatiotemporal stochasticity is simulated using typical landcover rotations …