Leederville - Confined aquifer Propensity for change in Propensity for change in SWI extent due to change in Inland extent of Wedge toe relative to SWI extent due to at the inland boundary toe, xT extraction bores [1] rise [2] [2] Weighting → 2 1 1 1 Rating ↓ In lowest quarter of In lowest quarter of ranked 1 xT < 2 km 0 ranked results results 2 3 0 to 0.25 In lower-mid quarter of In lower-mid quarter of 4 2 km xT 10 km ≤ ≤ ranked results ranked results 5 6 0.25 to 0.5 In upper-mid quarter of In upper-mid quarter of 7 xT > 10 km ranked results ranked results 8 0.5 to 0.75 9 In highest quarter of In highest quarter of ranked 10 Unstable ≥0.75 ranked results results Score = 32 [1] This is the ratio of toe location to distance of extraction bores from the coast. [2] Derivatives for all confined aquifers that were assessed as part of the Math Analysis component of the NSWI project were ranked by magnitude. The ranking is used to determine the rating in the above indexing table. Yarragadee - Confined aquifer Propensity for change in Propensity for change in SWI extent due to change in Inland extent of toe relative to SWI extent due to flows at the inland boundary wedge toe, xT extraction bores [1] rise [2] [2] Weighting → 2 1 1 1 Rating ↓
Leederville - Confined aquifer Inland extent of toe, xT Wedge toe relative to extraction bores [1] Propensity for change in SWI extent due to rise [2] Propensity for change in SWI extent due to change in at the inland boundary [2] Weighting → Rating ↓ 2 1 1 1 1 xT < 2 km 0 In lowest quarter of ranked results In lowest quarter of ranked results 2 3 0 to 0.25 4 2 km ≤ xT ≤ 10 km In lower-mid quarter of ranked results In lower-mid quarter of ranked results 5 6 0.25 to 0.5 7 xT > 10 km In upper-mid quarter of ranked results In upper-mid quarter of ranked results 8 0.5 to 0.75 9 10 Unstable ≥0.75 In highest quarter of ranked results In highest quarter of ranked results Score = 32 [1] This is the ratio of toe location to distance of extraction bores from the coast. [2] Derivatives for all confined aquifers that were assessed as part of the Math Analysis component of the NSWI project were ranked by magnitude. The ranking is used to determine the rating in the above indexing table. Yarragadee - Confined aquifer Inland extent of wedge toe, xT toe relative to extraction bores [1] Propensity for change in SWI extent due to rise [2] Propensity for change in SWI extent due to change in flows at the inland boundary [2] Weighting → Rating ↓ 2 1 1 1
Rec2013_020.docx