Hydrogeology of conglomerate fractured-rock aquifers: an example from the Portofino's Promontory (Italy)

2016 ◽  
Vol 41 ◽  
pp. 22-25 ◽  
Author(s):  
Vittorio Bonaria ◽  
Francesco Faccini ◽  
Ilaria Cinzia Galiano ◽  
Alessandro Sacchini
Keyword(s):  
Fractured Rock ◽  
Fractured Rock Aquifers

Stress-testing groundwater and baseflow drought sensitivity to recharge

2021 ◽  
Author(s):  
Jost Hellwig ◽  
Michael Stoelzle ◽  
Kerstin Stahl
Keyword(s):  
Fractured Rock ◽  
Drought Severity ◽  
Severe Drought ◽  
Stress Tests ◽  
Drought Sensitivity ◽  
The North ◽  
Groundwater Response ◽  
Dry Spells ◽  
Groundwater Drought ◽  
Fractured Rock Aquifers

<p>Groundwater is the main source of freshwater and maintains streamflow during drought. Potential future groundwater and baseflow drought hazards depend on the systems' sensitivity to altered recharge conditions. We performed groundwater model experiments using three different generic stress tests to estimate the groundwater- and baseflow drought sensitivity to changes in recharge. The stress tests stem from a stakeholder co-design process that specifically followed the idea of altering known drought events from the past, i.e. asking whether altered recharge could have made a particular event worse. Here we show that groundwater responses to the stress tests are highly heterogeneous across Germany with groundwater heads in the North more sensitive to long-term recharge and in the Central German Uplands to short-term recharge variations. Baseflow droughts are generally more sensitive to intra-annual dynamics and baseflow responses to the stress tests are smaller compared to the groundwater heads. The groundwater drought recovery time is mainly driven by the hydrogeological conditions with slow (fast) recovery in the porous (fractured rock) aquifers. In general, a seasonal shift of recharge (i.e., less summer recharge and more winter recharge) will therefore have low effects on groundwater and baseflow drought severity. A lengthening of dry spells might cause much stronger responses, especially in regions with slow groundwater response to precipitation. Water management may need to consider the spatially different sensitivities of the groundwater system and the potential for more severe groundwater droughts in the large porous aquifers following prolonged meteorological droughts, particularly in the context of climate change projections indicating stronger seasonality and more severe drought events.</p>

Application Of A Geophysical “Tool-Box” Approach To Characterization Of Fractured-Rock Aquifers: A Case Study From Norwalk, Connecticut

2001 ◽  
Author(s):  
John W. Lane Jr. ◽  
John H. Williams ◽  
Carole D. Johnson ◽  
Sister Damien Marie Savino ◽  
F. Peter Haeni
Keyword(s):  
Fractured Rock ◽  
Fractured Rock Aquifers

Is in situ stress important to groundwater flow in shallow fractured rock aquifers?

2011 ◽  
Vol 399 (3-4) ◽  
pp. 185-200 ◽  
Author(s):  
L. Mortimer ◽  
A. Aydin ◽  
C.T. Simmons ◽  
A.J. Love
Keyword(s):  
Groundwater Flow ◽  
Fractured Rock ◽  
In Situ Stress ◽  
Fractured Rock Aquifers

scholarly journals Characterisation of shallow groundwater dissolved organic matter in aeolian, alluvial and fractured rock aquifers

2020 ◽  
Vol 273 ◽  
pp. 163-176 ◽  
Author(s):  
Liza K. McDonough ◽  
Helen Rutlidge ◽  
Denis M. O'Carroll ◽  
Martin S. Andersen ◽  
Karina Meredith ◽  
...  
Keyword(s):  
Organic Matter ◽  
Dissolved Organic Matter ◽  
Fractured Rock ◽  
Shallow Groundwater ◽  
Fractured Rock Aquifers
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