期刊
ENVIRONMENTAL MODELLING & SOFTWARE
卷 73, 期 -, 页码 27-43出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.envsoft.2015.07.020
关键词
Risk management; Environmental thresholds; Tipping points; Multi-objective decision making; Algorithm benchmarking; Lake problem benchmark
类别
资金
- National Science Foundation through the Network for Sustainable Climate Risk Management (SCRiM) under NSF [GEO-1240507]
- Penn State Center for Climate Risk Managment
- Directorate For Geosciences [1240507] Funding Source: National Science Foundation
This study contributes a stochastic, multi-objective adaptation of the classic environmental economics Lake Problem as a computationally simple but mathematically challenging benchmarking problem. The Lake Problem considers a hypothetical town by a lake, which hopes to maximize its economic benefit without crossing a nonlinear, and potentially irreversible, pollution threshold. Optimization objectives are maximize economic benefit, minimize phosphorus in the lake, maximize the probability of avoiding the pollution threshold, and minimize the probability of drastic phosphorus loading reductions in a given year. Uncertainty is introduced through a stochastic natural phosphorus inflow. We performed comprehensive diagnostics using six algorithms: the Borg multi-objective evolutionary algorithm (MOEA), MOEA/D, epsilon-MOEA, the Non-dominated Sorting Genetic Algorithm II (NSGAII), epsilon-NSGAII, and Generalized Differential Evolution 3 (GDE3) to evaluate their controllability, reliability, efficiency, and effectiveness. Our results show only the self-adaptive search of the Borg MOEA was capable of performing well on this nontrivial benchmarking problem. (C) 2015 Elsevier Ltd. All rights reserved.
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