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REP 91

Regional Geological and Hydrogeological Characterization of the Calgary-Lethbridge Corridor in the South Saskatchewan Regional Planning Area

Abstract: In partnership with Alberta Environment and Parks (AEP), the Alberta Energy Regulator/Alberta Geological Survey (AER/AGS) undertook a study in the Calgary-Lethbridge Corridor (CLC) area of southern Alberta to support the development and implementation of a management approach for groundwater in the region. The objective was to compile existing geological and hydrogeological information for the CLC, and interpret it within a new hydrostratigraphic framework. This characterization aims to be the foundation for defining aquifer units and associated groundwater management units in the CLC, along with informing development of a groundwater monitoring framework. The report details the methods and results of dividing the shallow subsurface into three Neogene-Quaternary hydrostratigraphic units (HSU), based on the spatial distribution of coarse- and fine-grained sediments, as well as ten Upper Cretaceous- Paleogene HSUs, based lithostratigraphic geological formations, to facilitate mapping of hydraulic properties. Mapped hydraulic properties include potentiometric surface, depth to potentiometric surface, total dissolved solids, and regional confined and unconfined conditions for each HSU. Regional recharge and discharge areas were evaluated including analysis of vertical gradients and numerical modelling of potential recharge. Additionally, the distribution of rock properties within modelled bedrock units was analysed to illustrate the spatial distribution of potentially permeable sandstone-bodies within the larger lithostratigraphic HSUs. Results of this work contribute to a better understanding of the regional hydrogeology of the CLC, which is required in order to focus future studies relating to land use planning and groundwater monitoring. Place Keywords alberta alberta plains calgary canada lethbridge southern alberta 82g 82h 82i 82j 82p Theme Keywords bearpaw formation bedrock geology belly river group geology groundwater groundwater chemistry horseshoe canyon formation hydraulic head hydrogeology hydrostratigraphy paskapoo formation scollard formation surficial geology upper cretaceous

Atkinson, L.A.  Liggett, J.E.  Hartman, G.M.D.  Nakevska, N.  Mei, S.  MacCormack, K.E.  Palombi, D.  2017-02-24

DIG 2018-0011

Groundwater Yield Continuum for Southern Alberta (GIS data, polygon features)

Groundwater Yield Continuum for Southern Alberta (GIS data, polygon features) The yield continuum classifies groundwater yield along a spectrum that helps define total groundwater availability. The classes within the groundwater yield continuum ... Show Abstract

Klassen, J.  Liggett, J.E.  2018-10-23

SPE 110

Calgary-Lethbridge Corridor Geophysical Survey: Interpretation of AeroTEM Airborne Data

The purpose of the survey was to map aquifers with electromagnetic imaging techniques. The data were processed by Aeroquest using a conductivity depth imaging (CDI) method called differential resistivity. The traverse and tie line Hz data were ... Show Abstract

Davis, L.  Groom, R.W.  2018-09-17

DIG 2018-0013

In-Situ Stress Measurements for the Duvernay Formation, Alberta (tabular data, tab-delimited format)

In-Situ Stress Measurements for the Duvernay Formation, Alberta (tabular data, tab-delimited format) Measurements of the in-situ stress directions and magnitudes at the level of the Duvernay Formation are reported from multiple sets of oriented ... Show Abstract

Shen, L.  Schmitt, D.R.  Haug, K.  2018-10-26

OFR 2018-09

First-Order Groundwater Availability Assessment for Southern Alberta

First-Order Groundwater Availability Assessment for Southern Alberta The aquifer yield results of this study can be used to assess potential, order of magnitude, regional groundwater yields and to compare relative differences between ... Show Abstract

Klassen, J.  Liggett, J.E.  Pavlovskii, I.  Abdrakhimova, P.  2018-10-23

SPE 111

Calgary-Lethbridge Corridor Geophysical Survey: Ground Time Domain Calibration Survey Data and Report for AeroTEM Airborne Data and Inversion

Calgary-Lethbridge Corridor Geophysical Survey: Ground Time Domain Calibration Survey Data and Report for AeroTEM Airborne Data and Inversion The purpose of the survey was to verify the accuracy of airborne time domain (AEM) data collected by ... Show Abstract

Groom, R.W.  Davis, L.  2018-09-17

MAP 032

Uppermost Cretaceous and Tertiary Strata of Central and Southern Alberta

The mapped formations are, from youngest to oldest: St. Mary River, Edmonton, Eastend, Willow Creek, Paskapoo, Ravenscrag, Porcupine Hills, Cypress Hills and Handhills. Place Keywords alberta canada 72e 72l 72m 73d 73e 72l 73m 82g 82h 82i 82j 82n ... Show Abstract

Carrigy, M.A.  1971-01-01

ESR 2002-04

Hydrogeology and Stress Regime of the Upper Cretaceous-Tertiary Coal-Bearing Strata in Alberta

Peat accumulated in the Alberta basin during the late Cretaceous and early Tertiary led to the formation of coal deposits in the Upper Cretaceous Belly River Group and Horseshoe Canyon Formation, and the Upper Cretaceous-Paleocene Scollard and ... Show Abstract

Bachu, S.  Michael, K.  2002-10-01

OFR 2017-07

First-Order Groundwater Availability Assessment for Central Alberta

First-Order Groundwater Availability Assessment for Central Alberta The aquifer-yield continuum classifies groundwater yield along a spectrum that helps define total groundwater availability and is bound by two extremes: non-use and maximum ... Show Abstract

Klassen, J.  Smerdon, B.D.  2018-02-14

DIG 2016-0032

Calgary-Lethbridge Corridor Hydrostratigraphic Model - Top of the Pakowki / Upper Lea Park Hydrostratigraphic Unit, Southwestern Alberta (gridded data, ASCII format)

Calgary-Lethbridge Corridor Hydrostratigraphic Model - Top of the Pakowki / Upper Lea Park Hydrostratigraphic Unit, Southwestern Alberta (gridded data, ASCII format) Bedrock units included in the CLC model are derived from the Geological Framework ... Show Abstract

MacCormack, K.E.  2017-03-29

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