Abstract
The intergranular aquifer of Ljubljana Field and the aquifer system of Ljubljana Moor are the most important sources of drinking water for Ljubljana. The springs that appear on the area of both groundwater bodies reflect the groundwater status, quantity and quality. The spring water in the Ljubljana Field appears on vowel change of the gravel terrace. We follow them in the lower part of Ljubljana Field aquifer from Fužine to confluence of rivers Sava and Ljubljanica. The spring water directly indicates the condition of groundwater level and the quality. On the Ljubljana Barje there are important springs on the Southern edge. These springs are crucial observation point for the quality and quantity status monitoring of the inflow fro main recharge area of Ljubljana Moor aquifers that are exploited for the water supply system By the detailed analysis of older sporadic measurements of springs in Ljubljana Polje and Ljubljansko barje we were able to assess the changes in theirs trends of quantity and to design the monitoring network of springs that would acquire adequate data for the actual and future assessment of quantity an quality of these groundwater bodies in the frame of all other available and representative observation points.
Highlights
The springs that appear on the area of both groundwater bodies reflect the groundwater status, quantity and quality
The spring water in the Ljubljana Field appears on vowel change of the gravel terrace
The spring water directly indicates the condition of groundwater level and the quality
Summary
Za oskrbo mesta Ljubljane in okolice s pitno vodo sta pomembna vodonosnik Ljubljanskega polja in vodonosni sistem Ljubljanskega barja. Na obmo~ju obeh teles se pojavljajo izviri, ki odra‘ajo stanje podzemne vode, tako koli~insko kot tudi kakovostno. Na Ljubljanskem polju se pojavljajo izviri, imenovani studen~nice, na prevojih prodnih teras, kjer se pojavljajo kot izdanki podzemne vode. Zasledimo jih v spodnjem delu vodonosnika Ljubljanskega polja med Fu‘inami in soto~jem Ljubljanice in Save. Stanje teh izvirov neposredno izra‘a stanje gladine podzemne vode v vodonosniku Ljubljanskega polja in kakovost naravnega iztoka iz vodonosnika. Na Ljubljanskem barju je za oskrbo mesta Ljubljane zelo pomembno obmo~je I{kega vr{aja s svojim sistemom vodonosnikov. Ki se pojavljajo na tem obmo~ju so pomemben pokazatelj stanja hidrogeolo{kih razmer v tem vodonosnem sistemu in klju~nega pomena za ugotavljanje obnovljivih in razpolo‘ljivih zalog podzemne vode
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