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  • 1
    Call number: 9/M 07.0421(479)
    In: Geological Society Special Publication, 479
    Description / Table of Contents: Fractured bedrock aquifers have traditionally been regarded as low-productivity aquifers, with only limited relevance to regional groundwater resources. It is now being increasingly recognised that these complex bedrock aquifers can play an important role in catchment management and subsurface energy systems. At shallow to intermediate depth, fractured bedrock aquifers help to sustain surface water baseflows and groundwater dependent ecosystems, provide local groundwater supplies and impact on contaminant transfers on a catchment scale. At greater depths, understanding the properties and groundwater flow regimes of these complex aquifers can be crucial for the successful installation of subsurface energy and storage systems, such as deep geothermal or Aquifer Thermal Energy Storage systems and natural gas or CO2 storage facilities as well as the exploration of natural resources such as conventional/unconventional oil and gas. In many scenarios, a robust understanding of fractured bedrock aquifers is required to assess the nature and extent of connectivity between such engineered subsurface systems at depth and overlying receptors in the shallow subsurface.
    Type of Medium: Monograph available for loan
    Pages: 250 Seiten , Illustrationen
    ISBN: 978-1-78620-401-1
    ISSN: 0305-8719 (Print) , 2041-4927 (ebook)
    Series Statement: Geological Society Special Publication 479
    Language: English
    Note: Contents OFTERDINGER, U., MACDONALD, A. M., COMTE, J.-C. & YOUNG, M. E. Groundwater in fracturedbedrock environments: managing catchment and subsurface resources–an introduction .....1 FOUCHÉ, O., YAO,TH. K., OGA, M.-S. Y. & SORO, N. Typology of hard rock ground waterswithin the Lower Sassandra, a main catchment in humid tropical West Africa .....................................11 COMTE, J.-C., OFTERDINGER, U., LEGCHENKO, A., CAULFIELD, J., CASSIDY,R.&MÉZQUITAGONZÁLEZ, J. A. Catchment-scale heterogeneity offlow and storage propertiesin a weathered/fractured hard rock aquifer from resistivity and magnetic resonance surveys: implications for groundwaterflow paths and the distribution of residence times ........................................................................35 VASSEUR,G.&LACHASSAGNE, P. Evaluation of the geothermal effects caused by the weatheringof crystalline rocks ....................59 MACDONALD,A.M.&DAVIES, J. Fractures in shale: the significance of igneous intrusions forgroundwaterflow .....................................71 DICKSON, N. E. M., COMTE, J.-C., KOUSSOUBE, Y., OFTERDINGER,U.S.&VOUILLAMOZ, J.-M.Analysis and numerical modelling of large-scale controls on aquifer structure andhydrogeological properties in the African basement (Benin, West Africa) .....................................................................................81 PARKER, B. L., CHAPMAN, S. W., GOLDSTEIN,K.J.&CHERRY, J. A. Multiple lines offieldevidence to inform fracture network connectivity at a shale site contaminated with densenon-aqueous phase liquids ..........................................................................101 STROEBEL, D. H., THIART,C.&DEWIT, M. Towards defining a baseline status of scarcegroundwater resources in anticipation of hydraulic fracturing in the Eastern Cape Karoo,South Africa: salinity, aquifer yields and groundwater levels ........................................129 BAIOCCHI, A., LOTTI, F., PISCOPO,V.&SAMMASSIMO, V. Hard-rock aquifer response topumping and sustainable yield of wells in some areas of Mediterranean Region ........................................147 NEWTON, C. J. Fracture and conduit controls on groundwater movementin the Carboniferous Limestone of the eastern Mendip Hills, Somerset, England .........................................................161 KENNEL,J.R.&PARKER, B. L. Acoustic televiewer amplitude data for porosity estimationwith application to porewater conversion ....177 BELLE, P., LACHASSAGNE, P., MATHIEU, F., BARBET, C., BRISSET,N.&GOURRY, J.-C.Characterization and location of the laminated layer within hard rock weathering profilesfrom electrical resistivity tomography: implications for water well siting ..............187 PARKER, B. L., BAIROS, K., MALDANER, C. H., CHAPMAN, S. W., TURNER, C. M.,BURNS, L. S., PLETT, J., CARTER, R.&CHERRY, J. A. Metolachlor dense non-aqueous phaseliquid source conditions and plume attenuation in a dolostone water supply aquifer ................................................................207 ADEKILE,D.&CARTER, R. James Robert Temple Hazell: A Pioneer of African Hydrogeology ...........................................................237 Index .....................................................................................245
    Location: Reading room
    Branch Library: GFZ Library
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  • 2
    Keywords: fractured bedrock ; aquifers ; groundwater
    Description / Table of Contents: Groundwater in fractured bedrock environments: managing catchment and subsurface resources – an introduction / U. Ofterdinger, A. M. MacDonald, J.-C. Comte and M. E. Young / Geological Society, London, Special Publications, 479, 1-9, 30 April 2019, https://doi.org/10.1144/SP479-2018-170 --- Typology of hard rock ground waters within the Lower Sassandra, a main catchment in humid tropical West Africa / O. Fouché, Th. K. Yao, M.-S. Y. Oga and N. Soro / Geological Society, London, Special Publications, 479, 11-33, 21 May 2018, https://doi.org/10.1144/SP479.5 --- Catchment-scale heterogeneity of flow and storage properties in a weathered/fractured hard rock aquifer from resistivity and magnetic resonance surveys: implications for groundwater flow paths and the distribution of residence times / J.-C. Comte, U. Ofterdinger, A. Legchenko, J. Caulfield, R. Cassidy and J. A. Mézquita González / Geological Society, London, Special Publications, 479, 35-58, 10 May 2018, https://doi.org/10.1144/SP479.11 --- Evaluation of the geothermal effects caused by the weathering of crystalline rocks / Guy Vasseur and Patrick Lachassagne / Geological Society, London, Special Publications, 479, 59-70, 8 May 2018, https://doi.org/10.1144/SP479.1 --- Fractures in shale: the significance of igneous intrusions for groundwater flow / Alan M. MacDonald and Jeff Davies / Geological Society, London, Special Publications, 479, 71-79, 17 April 2018, https://doi.org/10.1144/SP479.10 --- Analysis and numerical modelling of large-scale controls on aquifer structure and hydrogeological properties in the African basement (Benin, West Africa) / Neil E. M. Dickson, Jean-Christophe Comte, Youssouf Koussoube, Ulrich S. Ofterdinger and Jean-Michel Vouillamoz / Geological Society, London, Special Publications, 479, 81-100, 8 May 2018, https://doi.org/10.1144/SP479.2 --- Multiple lines of field evidence to inform fracture network connectivity at a shale site contaminated with dense non-aqueous phase liquids / Beth L. Parker, Steven W. Chapman, Kenneth J. Goldstein and John A. Cherry / Geological Society, London, Special Publications, 479, 101-127, 17 April 2018, https://doi.org/10.1144/SP479.8 --- Towards defining a baseline status of scarce groundwater resources in anticipation of hydraulic fracturing in the Eastern Cape Karoo, South Africa: salinity, aquifer yields and groundwater levels / Divan H. Stroebel, Christien Thiart and Maarten de Wit / Geological Society, London, Special Publications, 479, 129-145, 8 May 2018, https://doi.org/10.1144/SP479.3 --- Hard-rock aquifer response to pumping and sustainable yield of wells in some areas of Mediterranean Region / Antonella Baiocchi, Francesca Lotti, Vincenzo Piscopo and Valentina Sammassimo / Geological Society, London, Special Publications, 479, 147-160, 28 March 2018, https://doi.org/10.1144/SP479.4 --- Fracture and conduit controls on groundwater movement in the Carboniferous Limestone of the eastern Mendip Hills, Somerset, England / Christopher J. Newton / Geological Society, London, Special Publications, 479, 161-176, 25 April 2019, https://doi.org/10.1144/SP479-2017-52 --- Acoustic televiewer amplitude data for porosity estimation with application to porewater conversion / J. R. Kennel and B. L. Parker / Geological Society, London, Special Publications, 479, 177-185, 3 May 2018, https://doi.org/10.1144/SP479.6 --- Characterization and location of the laminated layer within hard rock weathering profiles from electrical resistivity tomography: implications for water well siting / Pierre Belle, Patrick Lachassagne, Francis Mathieu, Christine Barbet, Nicolas Brisset and Jean-Christophe Gourry / Geological Society, London, Special Publications, 479, 187-205, 8 May 2018, https://doi.org/10.1144/SP479.7 --- Metolachlor dense non-aqueous phase liquid source conditions and plume attenuation in a dolostone water supply aquifer / Beth L. Parker, Kenley Bairos, Carlos H. Maldaner, Steven W. Chapman, Christopher M. Turner, Leanne S. Burns, James Plett, Raymond Carter and John A. Cherry / Geological Society, London, Special Publications, 479, 207-236, 21 May 2018, https://doi.org/10.1144/SP479.9 --- James Robert Temple Hazell: A Pioneer of African Hydrogeology / Dotun Adekile and Richard Carter / Geological Society, London, Special Publications, 479, 237-243, 15 October 2018, https://doi.org/10.1144/SP479.12
    Pages: Online-Ressource (250 Seiten) , Illustrationen, Diagramme
    ISBN: 9781786204011
    Language: English
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  • 3
    Publication Date: 2023-06-06
    Description: Background: Growing evidence suggests low and high maternal hemoglobin (Hb) concentrations may have adverse consequences for maternal and child health. There remain questions on specific Hb thresholds to define anemia and high Hb as well as how cutoffs may vary by anemia etiology and timing of assessment. - Methods: We conducted an updated systematic review (using PubMed and Cochrane Review) on low (〈 110 g/L) and high (≥ 130 g/L) maternal Hb concentrations and associations with a range of maternal and infant health outcomes. We examined associations by timing of Hb assessment (preconception; first, second, and third trimesters, as well as at any time point in pregnancy), varying cutoffs used for defining low and high hemoglobin concentrations and performed stratified analyses by iron-deficiency anemia. We conducted meta-analyses to obtain odds ratios (OR) and 95% confidence intervals. Results: The updated systematic review included 148 studies. Low maternal Hb at any time point in pregnancy was associated with: low birthweight, LBW (OR (95% CI) 1.28 (1.22–1.35)), very low birthweight, VLBW (2.15 (1.47–3.13)), preterm birth, PTB (1.35 (1.29–1.42)), small-for-gestational age, SGA (1.11 (1.02–1.19)), stillbirth 1.43 (1.24–1.65)), perinatal mortality (1.75 (1.28–2.39)), neonatal mortality (1.25 (1.16–1.34), postpartum hemorrhage (1.69 (1.45–1.97)), transfusion (3.68 (2.58–5.26)), pre-eclampsia (1.57 (1.23–2.01)), and prenatal depression (1.44 (1.24–1.68)). For maternal mortality, the OR was higher for Hb 〈 90 (4.83 (2.17–10.74)) than for Hb 〈 100 (2.87 (1.08–7.67)). High maternal Hb was associated with: VLBW (1.35 (1.16–1.57)), PTB (1.12 (1.00-1.25)), SGA (1.17 (1.09–1.25)), stillbirth (1.32 (1.09–1.60)), maternal mortality (2.01 (1.12–3.61)), gestational diabetes (1.71 (1.19–2.46)), and pre-eclampsia (1.34 (1.16–1.56)). Stronger associations were noted earlier in pregnancy for low Hb and adverse birth outcomes while the role of timing of high Hb was inconsistent. Lower Hb cutoffs were associated with greater odds of poor outcomes; for high Hb, data were too limited to identify patterns. Information on anemia etiology was limited; relationships did not vary by iron-deficiency anemia. - Conclusion: Both low and high maternal Hb concentrations during pregnancy are strong predictors of adverse maternal and infant health outcomes. Additional research is needed to establish healthy reference ranges and design effective interventions to optimize maternal Hb during pregnancy.
    Language: English
    Type: info:eu-repo/semantics/article
    Format: application/pdf
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