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Pregled bibliografske jedinice broj: 1246234

Submerged karst landscape of the Prokljan Lake (Krka River estuary in the central Dalmatia)


Šenolt, Natalia; Hasan, Ozren; Miko, Slobodan; Brunović, Dea; Ilijanić, Nikolina
Submerged karst landscape of the Prokljan Lake (Krka River estuary in the central Dalmatia) // Book of Abstracts
Coimbra, Portugal, 2022. str. 1-1 (predavanje, međunarodna recenzija, sažetak, znanstveni)


CROSBI ID: 1246234 Za ispravke kontaktirajte CROSBI podršku putem web obrasca

Naslov
Submerged karst landscape of the Prokljan Lake (Krka River estuary in the central Dalmatia)

Autori
Šenolt, Natalia ; Hasan, Ozren ; Miko, Slobodan ; Brunović, Dea ; Ilijanić, Nikolina

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
Book of Abstracts / - , 2022, 1-1

Skup
10th IAG International conference on Geomorphology

Mjesto i datum
Coimbra, Portugal, 12.09.2022. - 16.09.2022

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
istočna jadranska obala ; potopljeni paleookoliš ; geomorfologija ; krški estuarij ; holocen
(eastern Adriatic coast ; submerged paleolandscape ; geomorphology ; karstic estuary ; Holocene)

Sažetak
During the Last Glacial Maximum, a large part of the eastern Adriatic shelf was exposed, resulting in a distinctive landscape. With postglacial sea level rise, many coastal landforms were drowned and filled with Quaternary sediments. Here, we describe the geomorphological features and sedimentary processes shaping the submerged landscape of the Prokljan Lake, a part of the karst Krka River Estuary (KRE). KRE is a 24 km long microtidal salt-wedge estuary located in central Dalmatia. The estuary extends to the last active tufa waterfalls, Skradinski buk, which is a part of the National park Krka. High resolution multibeam bathymetry, sub-bottom profiling and side-scan sonar were used to determine the evolution of the seafloor morphology of the estuary shaped by postglacial sea level variability. The dataset covered approx. 6 km2 of a shallow seabed area with depths of up to 25 m. The observed paleolandscape is unique and well preserved, consisting of the former terrestrial landforms. The most prominent feature is a 3.5 km long complex tufa barrier system, with adjoining basins, at depths ranging from 5 to 20 m bsl. Other distinct features are numerous carbonate mounds and incised river valley. These features are covered or partially filled with fluvial/lacustrine and estuarine sediments. In addition, 36 grab samples and video observations provided ground truth for sediment determination and classification of the estuarine bottom, while 5 piston sediment cores enabled correlation with seismic data. Based on analyzed landform morphology and sediment stratigraphy, the flooding of the river canyon due to sea level rise in the Prokljan Lake started at approx. 10000–9500 y BP and the formation of the estuary at approx. 7500 y BP. The results of ongoing study provide a better understanding of past environments in this submerged system related to the postglacial sea level rise. This study was supported by the Croatian Science Foundation Project “Sediments between source and sink during a late Quaternary eustatic cycle: the Krka River and the Mid Adriatic Deep System” (QMAD) (HRZZ IP-04-2019-8505).

Izvorni jezik
Engleski

Znanstvena područja
Geologija



POVEZANOST RADA


Projekti:
HRZZ-IP-2019-04-8505 - Porijeklo i taloženje sedimenata u vrijeme kasno kvartarnih promjena morske razine: Sustav rijeke Krke i Srednjojadranske kotline (QMAD) (Miko, Slobodan, HRZZ - 2019-04) ( CroRIS)

Ustanove:
Hrvatski geološki institut

Profili:

Avatar Url Ozren Hasan (autor)

Avatar Url Natalia Smrkulj (autor)

Avatar Url Nikolina Ilijanić (autor)

Avatar Url Dea Brunović (autor)

Avatar Url Slobodan Miko (autor)


Citiraj ovu publikaciju:

Šenolt, Natalia; Hasan, Ozren; Miko, Slobodan; Brunović, Dea; Ilijanić, Nikolina
Submerged karst landscape of the Prokljan Lake (Krka River estuary in the central Dalmatia) // Book of Abstracts
Coimbra, Portugal, 2022. str. 1-1 (predavanje, međunarodna recenzija, sažetak, znanstveni)
Šenolt, N., Hasan, O., Miko, S., Brunović, D. & Ilijanić, N. (2022) Submerged karst landscape of the Prokljan Lake (Krka River estuary in the central Dalmatia). U: Book of Abstracts.
@article{article, author = {\v{S}enolt, Natalia and Hasan, Ozren and Miko, Slobodan and Brunovi\'{c}, Dea and Ilijani\'{c}, Nikolina}, year = {2022}, pages = {1-1}, keywords = {isto\v{c}na jadranska obala, potopljeni paleookoli\v{s}, geomorfologija, kr\v{s}ki estuarij, holocen}, title = {Submerged karst landscape of the Prokljan Lake (Krka River estuary in the central Dalmatia)}, keyword = {isto\v{c}na jadranska obala, potopljeni paleookoli\v{s}, geomorfologija, kr\v{s}ki estuarij, holocen}, publisherplace = {Coimbra, Portugal} }
@article{article, author = {\v{S}enolt, Natalia and Hasan, Ozren and Miko, Slobodan and Brunovi\'{c}, Dea and Ilijani\'{c}, Nikolina}, year = {2022}, pages = {1-1}, keywords = {eastern Adriatic coast, submerged paleolandscape, geomorphology, karstic estuary, Holocene}, title = {Submerged karst landscape of the Prokljan Lake (Krka River estuary in the central Dalmatia)}, keyword = {eastern Adriatic coast, submerged paleolandscape, geomorphology, karstic estuary, Holocene}, publisherplace = {Coimbra, Portugal} }




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