Data fusion with Gaussian processes for estimation of environmental hazard events
This is the author accepted manuscript. The final version is available from Wiley via the DOI in this record The data that support the findings of this study are openly available at https://wisc.climate.copernicus.eu/wisc/#/ help/products#stormtrack_download, WISC (2019). Environmental hazard events...
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Online Access: | http://hdl.handle.net/10871/122933 https://doi.org/10.1002/env.2660 |
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ftunivexeter:oai:ore.exeter.ac.uk:10871/122933 2024-09-09T19:57:20+00:00 Data fusion with Gaussian processes for estimation of environmental hazard events Xiong, X Youngman, BD Economou, T 2020 http://hdl.handle.net/10871/122933 https://doi.org/10.1002/env.2660 en eng Wiley / International Environmetrics Society (TIES) Article e2660 doi:10.1002/env.2660 NE/P017436/1 http://hdl.handle.net/10871/122933 Environmetrics © 2020 Wiley. All rights reserved 2021-09-24 Under embargo until 24 September 2021 in compliance with publisher policy http://www.rioxx.net/licenses/all-rights-reserved Data integration change-of-support Gaussian processes spatial interpolation model validation European windstorm natural hazards Article 2020 ftunivexeter https://doi.org/10.1002/env.2660 2024-07-29T03:24:13Z This is the author accepted manuscript. The final version is available from Wiley via the DOI in this record The data that support the findings of this study are openly available at https://wisc.climate.copernicus.eu/wisc/#/ help/products#stormtrack_download, WISC (2019). Environmental hazard events such as extra-tropical cyclones or windstorms that develop in the North Atlantic can cause severe societal damage. Environmental hazard is quantified by the hazard footprint, a spatial area describing potential damage. However, environmental hazards are never directly observed, so estimation of the footprint for any given event is primarily reliant on station observations (e.g., wind speed in the case of a windstorm event) and physical model hindcasts. Both data sources are indirect measurements of the true footprint, and here we present a general statistical framework to combine the two data sources for estimating the underlying footprint. The proposed framework extends current data fusion approaches by allowing structured Gaussian process discrepancy between physical model and the true footprint, while retaining the elegance of how the "change of support" problem is dealt with. Simulation is used to assess the practical feasibility and efficacy of the framework, which is then illustrated using data on windstorm Imogen Natural Environment Research Council (NERC) Article in Journal/Newspaper North Atlantic University of Exeter: Open Research Exeter (ORE) Environmetrics 32 3 |
institution |
Open Polar |
collection |
University of Exeter: Open Research Exeter (ORE) |
op_collection_id |
ftunivexeter |
language |
English |
topic |
Data integration change-of-support Gaussian processes spatial interpolation model validation European windstorm natural hazards |
spellingShingle |
Data integration change-of-support Gaussian processes spatial interpolation model validation European windstorm natural hazards Xiong, X Youngman, BD Economou, T Data fusion with Gaussian processes for estimation of environmental hazard events |
topic_facet |
Data integration change-of-support Gaussian processes spatial interpolation model validation European windstorm natural hazards |
description |
This is the author accepted manuscript. The final version is available from Wiley via the DOI in this record The data that support the findings of this study are openly available at https://wisc.climate.copernicus.eu/wisc/#/ help/products#stormtrack_download, WISC (2019). Environmental hazard events such as extra-tropical cyclones or windstorms that develop in the North Atlantic can cause severe societal damage. Environmental hazard is quantified by the hazard footprint, a spatial area describing potential damage. However, environmental hazards are never directly observed, so estimation of the footprint for any given event is primarily reliant on station observations (e.g., wind speed in the case of a windstorm event) and physical model hindcasts. Both data sources are indirect measurements of the true footprint, and here we present a general statistical framework to combine the two data sources for estimating the underlying footprint. The proposed framework extends current data fusion approaches by allowing structured Gaussian process discrepancy between physical model and the true footprint, while retaining the elegance of how the "change of support" problem is dealt with. Simulation is used to assess the practical feasibility and efficacy of the framework, which is then illustrated using data on windstorm Imogen Natural Environment Research Council (NERC) |
format |
Article in Journal/Newspaper |
author |
Xiong, X Youngman, BD Economou, T |
author_facet |
Xiong, X Youngman, BD Economou, T |
author_sort |
Xiong, X |
title |
Data fusion with Gaussian processes for estimation of environmental hazard events |
title_short |
Data fusion with Gaussian processes for estimation of environmental hazard events |
title_full |
Data fusion with Gaussian processes for estimation of environmental hazard events |
title_fullStr |
Data fusion with Gaussian processes for estimation of environmental hazard events |
title_full_unstemmed |
Data fusion with Gaussian processes for estimation of environmental hazard events |
title_sort |
data fusion with gaussian processes for estimation of environmental hazard events |
publisher |
Wiley / International Environmetrics Society (TIES) |
publishDate |
2020 |
url |
http://hdl.handle.net/10871/122933 https://doi.org/10.1002/env.2660 |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_relation |
Article e2660 doi:10.1002/env.2660 NE/P017436/1 http://hdl.handle.net/10871/122933 Environmetrics |
op_rights |
© 2020 Wiley. All rights reserved 2021-09-24 Under embargo until 24 September 2021 in compliance with publisher policy http://www.rioxx.net/licenses/all-rights-reserved |
op_doi |
https://doi.org/10.1002/env.2660 |
container_title |
Environmetrics |
container_volume |
32 |
container_issue |
3 |
_version_ |
1809928245345255424 |