stable

Item: zone of potential hydrological change

URI: http://environment.data.gov.au/def/ba/glossary/zone-of-potential-hydrological-change

‚Äčoutside this extent, hydrological changes (and hence potential impacts) are very unlikely (less than 5% chance). Each bioregional assessment defines the zone of potential hydrological change using probabilities of exceeding thresholds for relevant hydrological response variables. The zone of potential hydrological change is the union of the groundwater zone of potential hydrological change (the area with a greater than 5% chance of exceeding 0.2 m of drawdown due to additional coal resource development in the relevant aquifers) and the surface water zone of potential hydrological change (the area with a greater than 5% chance of exceeding changes in relevant surface water hydrological response variables due to additional coal resource development).

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is a Concept
submitted bySally Tetreault-Campbell
accepted on 9 Feb 2017 01:35:40.722

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date accepted 9 Feb 2017 01:35:40.722
date submitted 9 Feb 2017 01:34:15.122
definition
entity zone of potential hydrological change
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description ‚Äčoutside this extent, hydrological changes (and hence potential impacts) are very unlikely (less than 5% chance). Each bioregional assessment defines the zone of potential hydrological change using probabilities of exceeding thresholds for relevant hydrological response variables. The zone of potential hydrological change is the union of the groundwater zone of potential hydrological change (the area with a greater than 5% chance of exceeding 0.2 m of drawdown due to additional coal resource development in the relevant aquifers) and the surface water zone of potential hydrological change (the area with a greater than 5% chance of exceeding changes in relevant surface water hydrological response variables due to additional coal resource development).
item class Concept
label zone of potential hydrological change
modified 4 Jun 2017 23:04:54.415
notation zone-of-potential-hydrological-change
register glossary
status status stable
submitter
account name sally.tetreault-campbell@csiro.au
name Sally Tetreault-Campbell

type register item
version info 5

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Definition

alt label zone
description ‚Äčoutside this extent, hydrological changes (and hence potential impacts) are very unlikely (less than 5% chance). Each bioregional assessment defines the zone of potential hydrological change using probabilities of exceeding thresholds for relevant hydrological response variables. The zone of potential hydrological change is the union of the groundwater zone of potential hydrological change (the area with a greater than 5% chance of exceeding 0.2 m of drawdown due to additional coal resource development in the relevant aquifers) and the surface water zone of potential hydrological change (the area with a greater than 5% chance of exceeding changes in relevant surface water hydrological response variables due to additional coal resource development).
editorial note Approved February 2017 | Removed 'conservatively' and added 'thresholds for' in the definition of the zone. Also added 'due to additional coal resource development' for the definitions of the SW and GW zones.
label zone of potential hydrological change
narrower groundwater zone of potential hydrological change | surface water zone of potential hydrological change
note This term and definition is used in technical products in the Bioregional Assessment Programme, a collaboration between the Australian Government Department of the Environment and Energy, the Bureau of Meteorology, CSIRO and Geoscience Australia. For more information see http://www.bioregionalassessments.gov.au.
pref label zone of potential hydrological change
source Bioregional Assessment Programme
type Concept