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Preliminary analysis of the decrease in water level of Vrana Lake on the small carbonate island of Cres (Dinaric karst, Croatia)


Bonacci, Ognjen
Preliminary analysis of the decrease in water level of Vrana Lake on the small carbonate island of Cres (Dinaric karst, Croatia) // Advances in Karst Research Theory, Fieldwork and Applications / Parise, Mario ; Gabrovšek, Franci ; Kaufmann, Georg ; Ravbar, Nataša (ur.).
London: Geological Society, London, 2018. str. 307-317 doi:(10.1144/SP466.6)


Naslov
Preliminary analysis of the decrease in water level of Vrana Lake on the small carbonate island of Cres (Dinaric karst, Croatia)

Autori
Bonacci, Ognjen

Vrsta, podvrsta i kategorija rada
Poglavlja u knjigama, ostalo

Knjiga
Advances in Karst Research Theory, Fieldwork and Applications

Urednik/ci
Parise, Mario ; Gabrovšek, Franci ; Kaufmann, Georg ; Ravbar, Nataša

Izdavač
Geological Society, London

Grad
London

Godina
2018

Raspon stranica
307-317

ISBN
978-1-7862-359-3

Ključne riječi
Small carbonate island ; Vrana Lake, Island of Cres (Croatia) ; Water level ; Air temperature ; Water pumping

Sažetak
A strong and potentially dangerous decreasing trend in the level of water in Vrana Lake over the last three decades was analysed. This freshwater lake is a unique karst hydrology feature located on a small Adriatic island of Cres (405.71 km2), which is entirely composed of carbonate rocks. The lake is situated in a large cryptodepression and has a bottom reaching a depth of 61.3 m below mean sea level. The lake is a complex hydrological- hydrogeological system, with an average water volume of c. 220×106 m3. The larger geographical region has been affected by an increase in air temperature over the last c. 40 years. This exceptionally clean freshwater lake is the only source of potable water for the whole Cres archipelago. A dangerous drop in the lake water level started in 1983. The threatening decreasing trend is driven by booth global climate change and anthropogenic (the overexploitation of water) factors.

Izvorni jezik
Engleski

Znanstvena područja
Građevinarstvo



POVEZANOST RADA


Projekt / tema
083-0831510-1511 - Proučavanje ekstremnih hidroloških situacija i vodnih rizika u kršu (Ognjen Bonacci, )

Ustanove
Fakultet građevinarstva, arhitekture i geodezije, Split

Autor s matičnim brojem:
Ognjen Bonacci, (4434)

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