森林火灾预报ESS系统参数的标定

G. Bianchini, Paola Caymes-Scutari
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引用次数: 1

摘要

森林火灾是具有强烈生态环境和社会经济影响的主要风险因素,因此对其进行研究和建模非常重要。然而,由于实时准确测量现象条件的各种困难,模型在某些输入参数中经常具有一定程度的不确定性,因为它们必须近似或估计。这导致了几种减少不确定性的方法的发展,这些方法在准确性和复杂性之间的权衡可能会有很大的不同。系统ESS (Evolutionary-Statistical system)是将统计分析、高性能计算(HPC)和并行进化算法(PEA)相结合,以减少不确定性为目的的一种方法。PEA使用几个需要调整的参数,这些参数决定了它们的使用质量。参数的标定是达到良好性能的关键任务。本文提出了一项参数调整的实证研究,以评估不同配置的有效性及其在森林火灾预测中的使用影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Calibration of the parameters of ESS system for Forest Fire prediction
Forest fires are a major risk factor with strong impact at ecological-environmental and socio-economical levels, reasons why their study and modeling is very important. However, the models frequently have a certain level of uncertainty in some input parameters given that they must be approximated or estimated, as a consequence of diverse difficulties to accurately measure the conditions of the phenomenon in real time. This has resulted in the development of several methods of uncertainty reduction, whose trade-off between accuracy and complexity can vary significantly. The system ESS (Evolutionary-Statistical System) is a method whose aim is to reduce the uncertainty, by combining Statistical Analysis, High Performance Computing (HPC) and Parallel Evolutionary Algorithms (PEA). The PEA use several parameters that require adjustment and that determine the quality of their use. The calibration of the parameters is a crucial task for reaching a good performance. This paper presents an empirical study of the parameters tuning to evaluate the effectiveness of different configurations and the impact on their use in the Forest Fires prediction.
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