Cracow 100K map tile Groundwater Dependent Ecosystems (GDEs)
Mapsheet number 8947
Version 1.5
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Surface expression GDE (points)

Known GDE

Surface ecosystems dependent on the surface expression of groundwater
Permeable rocks (rocks with predominantly primary porosity)
Fresh to brackish palustrine spring wetlands in topographic lows with permanent groundwater connectivity (spring type 1a)

Cracow
Surface ecosystems dependent on the surface expression of groundwater
Permeable rocks (rocks with predominantly primary porosity)
Fresh riverine and palustrine spring wetlands in active watercourses with semi-permanent groundwater connectivity to local and regional groundwater flow systems (spring type 3)

Precipice
Surface ecosystems dependent on the surface expression of groundwater
Sedimentary rocks (Great Artesian Basin - e.g. Precipice Sandstone)
Permeable rocks (rocks with predominantly primary porosity)

Fresh riverine and palustrine spring wetlands in active watercourses with semi-permanent groundwater connectivity to local and regional groundwater flow systems (spring type 3)

Fresh to brackish palustrine spring wetlands in the interface between floodplain and riverine environments with permanent groundwater connecitivity (spring type 1b)
Fresh to brackish palustrine spring wetlands in the interface between floodplain and riverine environments with permanent groundwater connectivity (spring type 1b)

Mt Rose1
Fresh to brackish palustrine spring wetlands in topographic lows with permanent groundwater connectivity (spring type 1a)

Mt Rose8
Fresh to brackish palustrine spring wetlands in topographic lows with permanent groundwater connectivity (spring type 1a)

Mt Rose2

Mt Rose 4

Boggo stat

Bogres24 (Mound 2)

Bogres24 (Mound 1)

Dawson 7

Derived GDE - moderate confidence

Surface expression GDE (lines)

Derived GDE - high confidence

Quaternary alluvial aquifers near springs with fresh, permanent groundwater connectivity (SURAT_RS_01B)
Channels on alluvia near springs with fresh, permanent flow

Quaternary alluvial aquifers overlying sandstone ranges with fresh, intermittent groundwater connectivity regime (SURAT_RS_01A)
Specific channels on alluvia overlying sandstone ranges with fresh, intermittent flow

Fractured rock aquifers (igneous rocks) with fresh, intermittent groundwater connectivity regime (SURAT_RS_07)
Third order or greater channels on igenous rocks with fresh, intermittent flow
Fractured rocks (rocks with predominantly secondary porosity)

Permeable consolidated sedimentary rock aquifers with fresh, intermittent groundwater connectivity regime supporting surface expression GDEs (SURAT_RS_03B)
Specific channels on sandstone with fresh, intermittent flow
2011 WETLANDS V3; Australasian Groundwater and Environmental Consultants Pty Ltd, Great Artesian Basin Water Resource Plan: Potential River Baseflow from Aquifers of the GAB, Department of Natural Resources and Mines, Brisbane, 2005.

Permeable rock aquifers (basalts) (100 hectares or more) with fresh, intermittent groundwater connectivity regime (SURAT_RS_02A)
Channels on or within 100 metres of basalt plains and hills (100 hectares or more) with fresh, intermittent flow

Quaternary alluvial aquifers overlying sandstone ranges with fresh, intermittent groundwater connectivity regime (SURAT_RS_01A)
Channels on alluvia overlying sandstone ranges with fresh, intermittent flow

Derived GDE - low confidence

Permeable consolidated sedimentary rock aquifers with fresh, intermittent groundwater connectivity regime (SURAT_RS_03A)
Second order or greater channels on sandstone with fresh, intermittent flow
Quartzose sandstones (e.g. Boxvale Sandstone, Clematis Sandstone, Hutton Sandstone, Precipice Sandstone)

Surface expression GDE (areas)

81-100% GDE, known GDE

81-100% GDE, derived GDE - high confidence

Quaternary alluvial aquifers near springs with fresh, permanent groundwater connectivity (SURAT_RS_01B)
Riverine waterbodies on alluvia near springs with fresh, permanent flow

81-100% GDE, derived GDE - moderate confidence

Quaternary alluvial aquifers overlying sandstone ranges with fresh, intermittent groundwater connectivity regime (SURAT_RS_01A)
Lacustrine and palustrine wetlands, and riverine waterbodies on alluvia overlying sandstone ranges with fresh, intermittent flow
81-100 Derived GDE - Moderate Confidence

81-100% GDE, derived GDE - low confidence

01-80% GDE, derived GDE - high confidence

01-80% GDE, derived GDE - moderate confidence

Lacustrine and palustrine wetlands, and riverine waterbodies on alluvia overlying sandstone ranges with fresh, intermittent flow

01-80% GDE, derived GDE - low confidence

Terrestrial GDE

Quaternary alluvial aquifers near springs with fresh, permanent groundwater connectivity (SURAT_RS_01B)
Riverine wetlands on alluvia near springs with fresh, permanent flow
Surface ecosystems dependent on the sub-surface presence of groundwater

Specific regional ecosystems on alluvia near springs with fresh, permanent flow
Surface ecosystems dependent on the sub-surface presence of groundwater

Treed regional ecosystems on alluvia near springs with fresh, permanent flow
Surface ecosystems dependent on the sub-surface presence of groundwater

Fractured rock aquifers (igneous rocks) with fresh, intermittent groundwater connectivity regime (SURAT_RS_07)
Mesic regional ecosystems on igenous rocks and metasediments with fresh, intermittent flow
Fractured rocks (rocks with predominantly secondary porosity)
81-100 Derived GDE - Moderate Confidence

Permeable consolidated sedimentary rock aquifers with fresh, intermittent groundwater connectivity regime (SURAT_RS_03A)
Specific regional ecosystems on sandstone with fresh, intermittent flow
81-100 Derived GDE - Moderate Confidence
Quartzose sandstones (e.g. Boxvale Sandstone, Clematis Sandstone, Hutton Sandstone, Precipice Sandstone)

Permeable rock aquifers (basalts) (100 hectares or more) with fresh, intermittent groundwater connectivity regime (SURAT_RS_02A)
Riverine wetlands within 50 metres of a channel on basalt plains and hills (100 hectares or more) with fresh, intermittent flow

Permeable rock aquifers (basalts) (100 hectares or more) with fresh, intermittent groundwater connectivity regime (SURAT_RS_02A)
Riverine wetlands within 50 metres of the edge of basalt plains and hills (100 hectares or more) with fresh, intermittent flow

Treed regional ecosystems within 50 metres of a channel on basalt plains and hills (100 hectares or more) with fresh, intermittent flow

Treed regional ecosystems within 50 metres of the edge of basalt plains and hills (100 hectares or more) with fresh, intermittent flow

Riverine wetlands on alluvia overlying sandstone ranges with fresh, intermittent flow

Treed regional ecosystems on alluvia overlying sandstone ranges with fresh, intermittent flow

Permeable consolidated sedimentary rock aquifers with fresh, intermittent groundwater connectivity regime (SURAT_RS_03A)
Riverine wetlands within 50 metres of a second order or greater channel on sandstone with fresh, intermittent flow
Quartzose sandstones (e.g. Boxvale Sandstone, Clematis Sandstone, Hutton Sandstone, Precipice Sandstone)

Treed regional ecosystems within 50 metres of a second order or greater channel on sandstone with fresh, intermittent flow

Quaternary alluvial aquifers with fluctuating, intermittent groundwater connectivity regime with neutral pH (SURAT_RS_01D)
Treed regional ecosystems on alluvia with fluctuating, intermittent flow and neutral pH in the central and western Dawson River catchment

Fractured rock aquifers (igneous rocks) with fresh, intermittent groundwater connectivity regime (SURAT_RS_07)
Mesic regional ecosystems on igenous rocks and metasediments with fresh, intermittent flow
Fractured rocks (rocks with predominantly secondary porosity)

Subterranean GDE (caves)

Derived GDE - unknown confidence

Potential GDE aquifer

Unconsolidated sedimentary aquifers

Permeable old loamy and sandy plains with fresh, intermittent groundwater connectivity regime (SURAT_RS_05)

Quaternary alluvial aquifers with fluctuating, intermittent groundwater connectivity regime with neutral pH (SURAT_RS_01D)

Consolidated sedimentary aquifers

Permeable consolidated sedimentary rock aquifers with fresh, intermittent groundwater connectivity regime supporting surface expression GDEs (SURAT_RS_03B)

Igneous rock aquifers

Metamorphic rock aquifers

Fractured rock aquifers (metamorphic rocks and metasediments) with fluctuating, intermittent groundwater connectivity regime (SURAT_RS_04)

Mixture of consolidated sedimentary, igneous and

or metamorphic rock aquifers

No identified aquifers