Rapid Data Assimilation Using an Appropriately Complex Model: a GMDSI worked example report

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Date
2021
Authors
Manewell, Neil
Doherty, John
Journal Title
Journal ISSN
Volume Title
Publisher
National Centre for Groundwater Research and Training, Flinders University
Rights
This work is copyright. Apart from any use permitted under the Copyright Act 1968, no part may be reproduced by any process, nor may any other exclusive rights be exercised, without the permission of Flinders University, GPO Box 2100, Adelaide 5001, South Australia.
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Copyright © Flinders University 2021
Abstract
The Groundwater Modelling Decision Support Initiative (GMDSI) is an industry-funded and industry-aligned project focused on improving the role that groundwater modelling plays in supporting environmental management and decision-making. This GMDSI report addresses a number of related issues. They include: appropriate model complexity; appropriate parameterisation complexity; efficient model-based assimilation of information-rich data; and linear analysis. The focus of modelling work that is reported herein is BHP’s Orebody 31 (OB31) situated in the Pilbara region of Western Australia. The environs of this mine have been the focus of a number of generations of modelling, some of which is described in the present report. Mining of OB31 commenced in 2016; however data collection and modelling took place for a number of years prior to that.
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Keywords
Groundwater modelling, Data assimilation, Linear analysis, Aquifers, Groundwater management, Pilbara, Western Australia, Iron ore
Citation
Manewell, N. and Doherty J. (2021). Rapid Data Assimilation Using an Appropriately Complex Model: a GMDSI worked example report. National Centre for Groundwater Research and Training, Flinders University, South Australia.