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Terms and definitions 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. See http://www.bioregionalassessment.gov.au for more information about the Programme.

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description Terms and definitions 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. See http://www.bioregionalassessment.gov.au for more information about the Programme.
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description Terms and definitions 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. See http://www.bioregionalassessment.gov.au for more information about the Programme.
label glossary
license http://creativecommons.org/licenses/by/3.0/au/
member analysis domain extent | water allocation | P99 | piezometric surface | sleeper licence | drawdown | hydrogeology | transparency | conceptual model | Markov chain Monte Carlo methods | hazard | groundwater zone of potential hydrological change | risk | response variables | P01 | causal pathway | metadata record owner | high-flow days | porosity | geological formation | advanced exploration | tmax | model node | dmax ref | receptor | R0.2 | more at risk of ecological and hydrological changes | artesian aquifer | cumulative impact | additional coal resource development | events r0.3 | well | dataset | asset element | run-of-mine coal | Northern Sydney Basin bioregion | subcrop | spring | bioregional assessment | aquifer | Repository website | brownfield exploration | model domain extent | ZME | Clarence-Moreton bioregion | Element Conformance Report | quantile | severity score | repeatability | sensitivity | Lake Eyre Basin bioregion | coal deposit | asset name | diversion | LME | formation | consequence | permeability | model emulator | context | data files owner | baseflow | transmissivity | inflow | Joint Ore Reserves Committee Code | activity | subregion | goaf | receptor impact model | Tenosols | ephemeral stream | globally unique identifier | component | Central West subregion | depressurisation | direct impact | fecundity | hazard priority number | overbank flow | sustainable yield | list date | zone of potential hydrological change | zero-flow days | very unlikely | riverbed conductance | Northern Inland Catchments bioregion | more at risk of hydrological changes | marine transgression | R0.3 | Rudosols | probability distribution | hazard score | ecosystem | coalification | BA metadata quality assurance process | Gloucester subregion | Impact Modes and Effects Analysis | Bioregional Assessment Repository | length of low-flow spell | Sodosols | annual flow | ...
modified 29 Mar 2018 04:19:25.005
rights © Commonwealth of Australia 2016. With the exception of the Commonwealth Coat of Arms and where otherwise noted, all content in this glossary is provided under a Creative Commons Attribution 3.0 Australia Licence http://www.creativecommons.org/licenses/by/3.0/au . The Bioregional Assessment Programme requests attribution as ‘© Commonwealth of Australia (Bioregional Assessment Programme http://www.bioregionalassessments.gov.au)’.
see also www.bioregionalassessments.gov.au
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Contents

Name Notation Description Types Status
events r0.2 EventsR0.2 ​the mean annual number of events with a peak daily flow exceeding ... Concept stable
events r0.3 EventsR0.3 the mean annual number of events with a peak daily flow exceeding t... Concept stable
events r2.0 EventsR2.0 the mean annual number of events with a peak daily flow exceeding t... Concept stable
events r3.0 EventsR3.0 the mean annual number of events with a peak daily flow exceeding t... Concept stable
LME LME the maximum length of spells (in days per year) with low flow, aver... Concept stable
P01 P01 the daily flow rate at the 1st percentile (ML/day). This is typical... Concept stable
P99 P99 the daily flow rate at the 99th percentile (ML/day). This is typica... Concept stable
QBFI QBFI ratio of total baseflow generation to total streamflow generation, ... Concept stable
R0.2 R0.2 ​the peak daily flow in flood events with a return period of 0.2 ye... Concept stable
R0.3 R0.3 the peak daily flow in flood events with a return period of 0.3 yea... Concept stable
R2.0 R2.0 ​the peak daily flow in flood events with a return period of 2.0 ye... Concept stable
R3.0 R3.0 the peak daily flow in flood events with a return period of 3.0 yea... Concept stable
yrs2tmax ref Yrs2tmaxRef the difference between tmaxRef and the assessment year that is rele... Concept stable
ZMA ZMA ​the maximum length of spells (in days per year) with zero flow ove... Concept stable
ZME ZME the maximum length of spells (in days per year) with zero flow, ave... Concept stable
activity activity for the purposes of Impact Modes and Effects Analysis (IMEA), a pla... Concept stable
additional coal resource development additional-coal-resource-development all coal mines and coal seam gas (CSG) fields, including expansions... Concept stable
additional drawdown additional-drawdown ​the maximum difference in drawdown (dmax) between the coal resourc... Concept stable
advanced exploration advanced-exploration a stage in the exploration process whereby the particular commodit... Concept stable
amax amax maximum raw change Concept stable
analysis domain extent analysis-domain-extent the geographic area used for geoprocessing and data preparation pur... Concept stable
analysis extent analysis-extent the geographic area that encompasses all the possible areas that ma... Concept stable
analytic element model analytic-element-model a groundwater model in which the groundwater flow equations are sol... Concept stable
annual flow annual-flow the volume of water that discharges past a specific point in a stre... Concept stable
aquifer aquifer rock or sediment in a formation, group of formations, or part of a ... Concept stable
aquitard aquitard a saturated geological unit that is less permeable than an aquifer,... Concept stable
artesian aquifer artesian-aquifer an aquifer that has enough natural pressure to allow water in a bor... Concept stable
assessment extent assessment-extent the geographic area associated with a subregion or bioregion in whi... Concept stable
assessment unit assessment-unit for the purposes of impact analysis, a geographic area that is used... Concept stable
asset asset an entity that has value to the community and, for bioregional asse... Concept stable
asset element asset-element individual spatial features – points, lines and polygons – that des... Concept stable
asset identifier asset-identifier the bioregional assessment (BA) asset identifier (sequential and un... Concept stable
asset name asset-name descriptive name given to each asset (assigned according to the ass... Concept stable
at minimal risk of ecological and hydrological changes at-minimal-risk-of-ecological-and-hydrological-changes assessment units that overlap a landscape class are considered ‘at ... Concept stable
at some risk of ecological and hydrological changes at-some-risk-of-ecological-and-hydrological-changes assessment units that overlap a landscape class are considered ‘at ... Concept stable
BA metadata quality assurance process ba-metadata-quality-assurance-process a mechanism by which the Bioregional Assessment Programme quality a... Concept stable
BADMS-compliant metadata badms-compliant-metadata a subset of the mandatory ANZLIC Metadata profile elements that ha... Concept stable
baseflow baseflow the portion of streamflow that comes from shallow and deep subsurfa... Concept stable
baseflow index baseflow-index the ratio of baseflow to total streamflow over a long period of tim... Concept stable
baseline coal resource development baseline-coal-resource-development a future that includes all coal mines and coal seam gas (CSG) field... Concept stable
baseline drawdown baseline-drawdown ​the maximum difference in drawdown (dmax) under the baseline relat... Concept stable
basement basement ​the crust below the rocks of interest. In hydrogeology it means no... Concept stable
bioregion bioregion a geographic land area within which coal seam gas (CSG) and/or coal... Concept stable
bioregional assessment bioregional-assessment a scientific analysis of the ecology, hydrology, geology and hydrog... Concept stable
Bioregional Assessment Data Store bioregional-assessment-data-store the component of the Bioregional Assessment Repository dedicated to... Concept stable
Bioregional Assessment Metadata Catalogue bioregional-assessment-metadata-catalogue the component of the Bioregional Assessment Repository dedicated to... Concept stable
Bioregional Assessment Repository bioregional-assessment-repository a collection of systems that together store source and derived data... Concept stable
bore bore a narrow, artificially constructed hole or cavity used to intercept... Concept stable
brownfield exploration brownfield-exploration exploration activities undertaken in areas close to existing mines ... Concept stable
causal pathway causal-pathway for the purposes of bioregional assessments, the logical chain of e... Concept stable
Central West subregion central-west-subregion The main rivers in the Central West subregion are the Macquarie, Ca... Concept stable
Clarence-Moreton bioregion clarence-moreton-bioregion The Clarence-Moreton bioregion is located in north-east NSW and sou... Concept stable
coal deposit coal-deposit an early stage exploration development category whereby a coal depo... Concept stable
coal grade coal-grade a coal parameter that refers to the amount of inorganic matter that... Concept stable
coal resource development pathway coal-resource-development-pathway a future that includes all coal mines and coal seam gas (CSG) field... Concept stable
coalification coalification the process of forming coal from its constituent precursor organic ... Concept stable
coking coal coking-coal a type of black coal which is used to make coke, a porous solid com... Concept stable
component component for the purposes of Impact Modes and Effects Analysis (IMEA), a gro... Concept stable
conceptual model conceptual-model abstraction or simplification of reality Concept stable
confined aquifer confined-aquifer an aquifer saturated with confining layers of low-permeability rock... Concept stable
connectivity connectivity a descriptive measure of the interaction between water bodies (grou... Concept stable
consequence consequence synonym of impact Concept stable
context context the circumstances that form the setting for an event, statement or ... Concept stable
Cooper subregion cooper-subregion The Cooper subregion spans south-west Queensland and north-east SA.... Concept stable
cumulative impact cumulative-impact for the purposes of bioregional assessments, the total change in wa... Concept stable
current controls current-controls the methods or actions currently planned, or in place, to detect ha... Concept stable
data files owner data-files-owner the person who is responsible for maintaining the dataset's files Concept stable
dataset dataset a collection of data in files, in databases or delivered by service... Concept stable
dataset granularity dataset-granularity the extent to which data is broken down into datasets. There are no... Concept stable
dataset title dataset-title the title given to a dataset. A dataset is a collection of data in ... Concept stable
deposit evaluation deposit-evaluation the process of undertaking studies of a known and significant depos... Concept stable
depressurisation depressurisation ​​in the context of coal seam gas operations, depressurisation is t... Concept stable
derived dataset derived-dataset a dataset that has been created by the Bioregional Assessment Progr... Concept stable
detection score detection-score for the purposes of Impact Modes and Effects Analysis (IMEA), the e... Concept stable
dewatering dewatering ​​the process of controlling groundwater flow within and around min... Concept stable
direct impact direct-impact for the purposes of bioregional assessments, a change in water reso... Concept stable
discharge discharge water that moves from a groundwater body to the ground surface or s... Concept stable
diversion diversion see extraction Concept stable
dmax dmax maximum difference in drawdown, obtained by choosing the maximum of... Concept stable
dmax ref dmaxRef maximum difference in drawdown under the baseline future or under t... Concept stable
drawdown drawdown a lowering of the groundwater level (caused, for example, by pumpin... Concept stable
ecosystem ecosystem a dynamic complex of plant, animal, and micro-organism communities ... Concept stable
ecosystem asset ecosystem-asset an ecosystem that may provide benefits to humanity. It is a spatial... Concept stable
ecosystem function ecosystem-function the biological, geochemical and physical processes and components t... Concept stable
effect effect for the purposes of Impact Modes and Effects Analysis (IMEA), chang... Concept stable
Element Conformance Report element-conf-report output of the tool that checks that all datasets used to create non... Concept stable
ephemeral stream ephemeral-stream a stream that flows only briefly during and following a period of r... Concept stable
extraction extraction the removal of water for use from waterways or aquifers (including ... Concept stable
fairway fairway a term used in geology to describe a regional trend along which a p... Concept stable
fecundity fecundity The reproductive capacity of an organism, i.e. the number of eggs t... Concept stable
Ferrosols ferrosols Soils other than Vertosols, Hydrosols, and Calcarosols that: i. Hav... Concept stable
focal analysis extent focal-analysis-extent a geographic area that encompasses the modelled areas relevant for ... Concept stable
foreland basin foreland-basin a type of sedimentary basin formed adjacent to thrust belts and fau... Concept stable
formation formation rock layers that have common physical characteristics (lithology) d... Concept stable
fractile fractile the value of a distribution below which some fraction of the sample... Concept stable
Galilee subregion galilee-subregion The Galilee subregion is part of the Lake Eyre Basin bioregion and ... Concept stable
Geofabric geofabric a nationally consistent series of interrelated spatial datasets def... Concept stable
geological formation geological-formation stratigraphic unit with distinct rock types, which is able to mappe... Concept stable
globally unique identifier globally-unique-identifier for bioregional assessment (BA) purposes, a 'globally unique identi... Concept stable
Gloucester subregion gloucester-subregion The Gloucester subregion covers an area of about 348 km². The Glouc... Concept stable
goaf goaf That part of a mine from which the coal has been partially or wholl... Concept stable
grass roots exploration grass-roots-exploration initial exploration activities in regional greenfield areas at the ... Concept stable
groundwater groundwater water occurring naturally below ground level (whether stored in or ... Concept stable
groundwater-dependent ecosystem groundwater-dependent-ecosystem ecosystems that rely on groundwater - typically the natural dischar... Concept stable
groundwater recharge groundwater-recharge replenishment of groundwater by natural infiltration of surface wat... Concept stable
groundwater system groundwater-system see water system Concept stable
groundwater zone of potential hydrological change groundwater-zone-of-potential-hydrological-change outside this extent, groundwater drawdown (and hence potential impa... Concept stable
Gwydir subregion gwydir-subregion The Gwydir subregion includes parts of the northern Murray–Darling ... Concept stable
hazard hazard an event, or chain of events, that might result in an effect (chang... Concept stable
hazard priority number hazard-priority-number for the purposes of Impact Modes and Effects Analysis (IMEA), one o... Concept stable
hazard score hazard-score for the purposes of Impact Modes and Effects Analysis (IMEA), one o... Concept stable
high-flow days high-flow-days the number of high-flow days per year. This is typically reported a... Concept stable
Hunter subregion hunter-subregion Along the coast, the Hunter subregion extends north from the northe... Concept stable
hydrogeology hydrogeology the study of groundwater, including flow in aquifers, groundwater r... Concept stable
hydrological response variable hydrological-response-variable a hydrological characteristic of the system that potentially change... Concept stable
impact impact a change resulting from prior events, at any stage in a chain of ev... Concept stable
impact cause impact-cause an activity (or aspect of an activity) that initiates a hazardous c... Concept stable
impact mode impact-mode the manner in which a hazardous chain of events (initiated by an im... Concept stable
Impact Modes and Effects Analysis impact-modes-effects-analysis a systematic hazard identification and prioritisation technique bas... Concept stable
indirect impact indirect-impact for the purposes of bioregional assessments, a change in water reso... Concept stable
inertinite inertinite one of the main maceral groups for humic coal, which are those coal... Concept stable
inflow inflow surface water runoff and deep drainage to groundwater (groundwater ... Concept stable
interquartile range interquartile-range ​​the interquartile range in daily flow (ML/day); that is, the diff... Concept stable
Joint Ore Reserves Committee Code joint-ore-reserves-committee-code the Australasian professional code of practice that sets minimum st... Concept stable
Kurosols kurosols Soils other than Hydrosols with a clear or abrupt textural B horiz... Concept stable
Lake Eyre Basin bioregion lake-eyre-basin-bioregion The Lake Eyre Basin bioregion covers an area of about 1.31 million ... Concept stable
landscape class landscape-class for bioregional assessment (BA) purposes, an ecosystem with charact... Concept stable
landscape group landscape-group for the purposes of bioregional assessments (BAs), a set of landsca... Concept stable
length of low-flow spell length-of-low-flow-spell the length (days) of the longest low-flow spell each year. This is ... Concept stable
life-cycle stage life-cycle-stage one of five stages of operations in coal resource development consi... Concept stable
likelihood likelihood probability that something might happen Concept stable
likelihood score likelihood-score for the purposes of Impact Modes and Effects Analysis (IMEA), the a... Concept stable
list date list-date the date the element was added to the element list Concept stable
lithic lithic sediment or sedimentary rock that contains a significant proportion... Concept stable
low-flow days low-flow-days ​​the number of low-flow days per year. This is typically reported ... Concept stable
low-flow days (averaged over 30 years) low-flow-days-averaged-over-30-years the number of days per year with low flow (<10 ML/day), averaged ov... Concept stable
low-flow spells low-flow-spells the number of low-flow spells per year. This is typically reported ... Concept stable
Maranoa-Balonne-Condamine subregion maranoa-balonne-condamine-subregion The Maranoa-Balonne-Condamine subregion is mainly within the Queens... Concept stable
marine transgression marine-transgression the landward spreading of the sea over a large area within relative... Concept stable
Markov chain Monte Carlo methods markov-chain-monte-carlo-methods a class of algorithms for sampling from a probability distribution ... Concept stable
material material pertinent or relevant Concept stable
metadata author metadata-author the person who writes metadata to Bioregional Assessment quality st... Concept stable
Metadata Record Coordinator metadata-record-coordinator the person, usually a Data Coordinator, adding the metadata record ... Concept stable
metadata record owner metadata-record-owner the person responsible for filling out a registered dataset's metad... Concept stable
metasedimentary rock metasedimentary-rock sedimentary rock altered by metamorphism, typically modifying one o... Concept stable
mine exclusion zone mine-exclusion-zone areas in the zone of potential hydrological change that are within ... Concept stable
mine pit exclusion zone mine-pit-exclusion-zone areas in the zone of potential hydrological change that are within ... Concept stable
model chain model-chain a series of linked models where the output of one model becomes an ... Concept stable
model domain extent model-domain-extent the geographic area that encompasses a model or models, such as the... Concept stable
model emulator model-emulator a computationally efficient statistical approximation of a process ... Concept stable
model node model-node a point in the landscape where hydrological changes (and their unce... Concept stable
model spin-up period model-spin-up-period a period of time in which the model is allowed to run prior to the ... Concept stable
Monte Carlo simulation monte-carlo-simulation a simulation technique involving random sampling of each probabilit... Concept stable
more at risk of ecological and hydrological changes more-at-risk-of-ecological-and-hydrological-changes assessment units that overlap a landscape class are considered ‘mor... Concept stable
more at risk of hydrological changes more-at-risk-of-hydrological-changes assessment units that overlap an asset are considered ‘more at risk... Concept stable
Namoi subregion namoi-subregion The Namoi subregion is located within the Murray–Darling Basin in c... Concept stable
Northern Inland Catchments bioregion northern-inland-catchments-bioregion The Northern Inland Catchments bioregion is located west of the Gre... Concept stable
Northern Sydney Basin bioregion northern-sydney-basin-bioregion The Northern Sydney Basin bioregion is located south-east of the Gr... Concept stable
overbank flow overbank-flow flood condition where water flows beyond and sub-parallel to the ma... Concept stable
overbench flow overbench-flow high-flow condition where a river channel is partially or completel... Concept stable
percentile percentile a specific type of quantile where the range of a distribution or se... Concept stable
permeability permeability the measure of the ability of a rock, soil or sediment to yield or ... Concept stable
piezometric surface piezometric-surface a theoretical surface representing the pressure of groundwater in a... Concept stable
plugged and abandoned plugged-and-abandoned refers to a well that, after it has been deemed unproductive, and t... Concept stable
pmax pmax maximum percent change Concept stable
porosity porosity the proportion of the volume of rock consisting of pores, usually e... Concept stable
preliminary assessment extent preliminary-assessment-extent the geographic area associated with a subregion or bioregion in whi... Concept stable
probability distribution probability-distribution the probability distribution of a random variable specifies the cha... Concept stable
quantile quantile a set of values of a variate that divide the range of a probability... Concept stable
receptor receptor a point in the landscape where water-related impacts on assets are ... Concept stable
receptor impact model receptor-impact-model a function that translates hydrological changes into the distributi... Concept stable
receptor impact variable receptor-impact-variable a characteristic of the system that, according to the conceptual mo... Concept stable
receptor register receptor-register a simple and authoritative list of receptors in a specific bioregio... Concept retired
recharge recharge see groundwater recharge Concept stable
regional watertable regional-watertable the upper groundwater level within the unconfined, near-surface aqu... Concept stable
repeatability repeatability the extent to which materially consistent results are obtained when... Concept stable
Repository website repository-website the component of the Bioregional Assessment Repository that is the ... Concept stable
reproducibility reproducibility the extent to which materially consistent results are obtained when... Concept stable
response variables response-variables variables that relate parameters, state variables and/or fluxes in ... Concept retired
return period return-period ​​​An event has a return period (or recurrence interval) of T years... Concept stable
riparian riparian An area or zone within or along the banks of a stream or adjacent t... Concept stable
risk risk the effect of uncertainty on objectives Concept stable
riverbed conductance riverbed-conductance a parameter used in the river package of MODFLOW. It is defined as ... Concept stable
Rudosols rudosols Soil with negligible (rudimentary) pedologic organisation apart fro... Concept stable
run-of-mine coal run-of-mine-coal ​refers to coal extracted from a mining operation and delivered to ... Concept stable
runoff runoff rainfall that does not infiltrate the ground or evaporate to the at... Concept stable
saturated zone saturated-zone the part of the ground in which all the voids in the rocks or soil ... Concept stable
scalar value scalar-value a single real number that describes a measurable quantity, such as ... Concept stable
sensitivity sensitivity the degree to which the output of a model (numerical or otherwise) ... Concept stable
severity severity magnitude of an impact Concept stable
severity score severity-score for the purposes of Impact Modes and Effects Analysis (IMEA), the m... Concept stable
sleeper licence sleeper-licence a licence that uses none (or little) of its allocation or entitleme... Concept stable
Sodosols sodosols Soils with a clear or abrupt textural B horizon and in which the ma... Concept stable
source dataset source-dataset a pre-existing dataset sourced from outside the Bioregional Assessm... Concept stable
spring spring a naturally occurring discharge of groundwater flowing out of the g... Concept stable
stationary system stationary-system a system in which the hydrological regime or other conditions do no... Concept stable
stratigraphy stratigraphy stratified (layered) rocks Concept stable
stressor stressor chemical or biological agent, environmental condition or external s... Concept stable
subcrop subcrop 1 - A subsurface outcrop, e.g. where a formation intersects a subsu... Concept stable
subregion subregion an identified area wholly contained within a bioregion that enables... Concept stable
subsidence subsidence localised lowering of the land surface. It occurs when underground ... Concept stable
surface water surface-water water that flows over land and in watercourses or artificial channe... Concept stable
surface water zone of potential hydrological change surface-water-zone-of-potential-hydrological-change outside this extent, changes in surface water hydrological response... Concept stable
sustainable yield sustainable-yield the level of water extraction from a particular system that, if exc... Concept stable
tenement tenement ​​a defined area of land granted by a relevant government authority... Concept stable
Tenosols tenosols Soils that do not fit the requirements of any other soil orders an... Concept stable
tmax tmax year of maximum change Concept stable
tmax ref tmaxRef the year that the maximum difference in drawdown relative to the re... Concept stable
transmissivity transmissivity A parameter indicating the ease of groundwater flow through a metre... Concept stable
transparency transparency a key requirement for the Bioregional Assessment Programme, achieve... Concept stable
uncertainty uncertainty the state, even partial, of deficiency of information related to un... Concept stable
unconfined aquifer unconfined-aquifer an aquifer whose upper water surface (watertable) is at atmospheric... Concept stable
unsaturated zone unsaturated-zone the zone in soils and rocks occurring above the watertable, where t... Concept stable
Vertosols vertosols Soils with the following: i. A clay field texture or 35% or more c... Concept stable
very likely very-likely greater than 95% chance Concept stable
very unlikely very-unlikely less than 5% chance Concept stable
water allocation water-allocation the specific volume of water allocated to water access entitlements... Concept stable
water-dependent asset water-dependent-asset an asset potentially impacted, either positively or negatively, by ... Concept stable
water-dependent asset register water-dependent-asset-register a simple and authoritative listing of the assets within the prelimi... Concept stable
water make water-make the groundwater extracted for dewatering mines Concept stable
water system water-system a system that is hydrologically connected and described at the leve... Concept stable
water use water-use the volume of water diverted from a stream, extracted from groundwa... Concept stable
watertable watertable the upper surface of a body of groundwater occurring in an unconfin... Concept stable
well well typically a narrow diameter hole drilled into the earth for the pur... Concept stable
zero-flow days zero-flow-days the number of zero-flow days per year. This is typically reported a... Concept stable
zero-flow days (averaged over 30 years) zero-flow-days-averaged-over-30-years ​the number of zero-flow days per year, averaged over a 30-year per... Concept stable
zone of potential hydrological change zone-of-potential-hydrological-change ​outside this extent, hydrological changes (and hence potential imp... Concept stable