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UID:pretalx-flowpath-2025-LMA3VG@talks.staging.osgeo.org
DTSTART;TZID=CET:20250612T094000
DTEND;TZID=CET:20250612T095000
DESCRIPTION:In the confined aquifers of the lower alluvial plains the fine 
 grain size of the sediments (sands and silts) and the chemical-physical ch
 aracteristics of the groundwater (reducing environment with high levels of
  dissolved iron and manganese) have important consequences on the service 
 life and efficiency of water wells\; these are often affected by clogging 
 phenomena of the well screen\, caused by physical\, chemical\, and biochem
 ical (biofouling) processes. Typical symptoms are the progressive lowering
  of dynamic level and operating flow rate\, with a consequent reduction of
  the specific capacity parameter. Occlusion of the gravel pack and well sc
 reen causes a progressive reduction in the efficiency and productivity of 
 the well\, with negative effects on the quantity and quality  of the produ
 ced water.\nThe work analyses a case study in the lower Po Plain (Province
  of Ferrara) where the presence of a drinking water well field has allowed
  the collection of a significant hydrogeological data set\, especially in 
 recent years\, thanks to continuous flow rate and groundwater level measur
 ement systems. In particular\, the temporal evolution of the specific capa
 city parameter is evaluated\, analysing the possible dependencies on the c
 onstruction characteristics of the wells\, the boundary conditions and the
  local geochemical characteristics of the aquifer\, in order to formulate 
 hypotheses on the physical\, chemical and biochemical processes involved a
 nd to obtain useful indications for the management and scheduled maintenan
 ce of the wells.
DTSTAMP:20260428T025519Z
LOCATION:Room R3
SUMMARY:Analyses of decreasing productivity of groundwater wells in confine
 d aquifers of the lower Po Plain (Ferrara\, Italy) - Daniele Rizzo
URL:https://talks.staging.osgeo.org/flowpath-2025/talk/LMA3VG/
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