The scope of the Kalman filter for spatio-temporal applications in environmental science

IF 1.5 3区 环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES
Environmetrics Pub Date : 2022-11-17 DOI:10.1002/env.2773
Jonathan Rougier, Aoibheann Brady, Jonathan Bamber, Stephen Chuter, Sam Royston, Bramha Dutt Vishwakarma, Richard Westaway, Yann Ziegler
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引用次数: 2

Abstract

The Kalman filter is a workhorse of dynamical modeling. But there are challenges when using the Kalman filter in environmental science: the complexity of environmental processes, the complicated and irregular nature of many environmental datasets, and the scale of environmental datasets, which may comprise many thousands of observations per time-step. We show how these challenges can be met within the Kalman filter, identifying some situations which are relatively easy to handle, such as datasets which are high-resolution in time, and some which are hard, like areal observations on small contiguous polygons. Overall, we conclude that many applications in environmental science are within the scope of the Kalman filter, or its generalizations.

Abstract Image

卡尔曼滤波器在环境科学时空应用中的范围
卡尔曼滤波器是动力学建模的主力军。但在环境科学中使用卡尔曼滤波器也存在挑战:环境过程的复杂性、许多环境数据集的复杂性和不规则性,以及环境数据集(每个时间步长可能包括数千个观测值)的规模。我们展示了如何在卡尔曼滤波器中应对这些挑战,确定了一些相对容易处理的情况,例如时间上高分辨率的数据集,以及一些困难的情况,如在小的连续多边形上的区域观测。总之,我们得出的结论是,环境科学中的许多应用都在卡尔曼滤波器或其推广的范围内。
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来源期刊
Environmetrics
Environmetrics 环境科学-环境科学
CiteScore
2.90
自引率
17.60%
发文量
67
审稿时长
18-36 weeks
期刊介绍: Environmetrics, the official journal of The International Environmetrics Society (TIES), an Association of the International Statistical Institute, is devoted to the dissemination of high-quality quantitative research in the environmental sciences. The journal welcomes pertinent and innovative submissions from quantitative disciplines developing new statistical and mathematical techniques, methods, and theories that solve modern environmental problems. Articles must proffer substantive, new statistical or mathematical advances to answer important scientific questions in the environmental sciences, or must develop novel or enhanced statistical methodology with clear applications to environmental science. New methods should be illustrated with recent environmental data.
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