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Pregled bibliografske jedinice broj: 808707

Landscape response to recent tectonic deformation in the SW Pannonian Basin: evidence from DEM-based morphometric analysis of the Bilogora Mt. area, NE Croatia


Matoš, Bojan; Pérez-Peña, José Vicente; Tomljenović, Bruno
Landscape response to recent tectonic deformation in the SW Pannonian Basin: evidence from DEM-based morphometric analysis of the Bilogora Mt. area, NE Croatia // Geomorphology, 263 (2016), 132-155 doi:10.1016/j.geomorph.2016.03.020 (međunarodna recenzija, članak, znanstveni)


Naslov
Landscape response to recent tectonic deformation in the SW Pannonian Basin: evidence from DEM-based morphometric analysis of the Bilogora Mt. area, NE Croatia

Autori
Matoš, Bojan ; Pérez-Peña, José Vicente ; Tomljenović, Bruno

Izvornik
Geomorphology (0169-555X) 263 (2016); 132-155

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Bilogora Mt. ; DEM ; morphometry ; RTA index ; recent tectonics ; SW Pannonian Basin

Sažetak
Bilogora Mt. area is a transpressional structure located in the NE of Croatia, linked with the tectonic evolution of the Drava Depression. The structure formed during Pliocene and Quaternary from the inversion of NW-striking Drava Depression Boundary Fault, which originated as a normal fault and was reactivated as a dextral strike-slip fault. During Pliocene and Quaternary time, Bilogora Mt. area underwent more than 400 m of differential uplift, while still ongoing tectonic deformation is documented by historical and instrumental seismicity (3.5 ≤ ML ≤ 5.6). In this geomorphic study, the recent deformation in the Bilogora Mt. area, although obscured by landscape evolution variables, was assessed using DEM-based landscape morphometry and a set of morphometric indexes. Local relief and slope angle variability distributions were combined with morphometric indexes computed at the scale of the drainage basin. We analyzed hypsometric curves with the hypsometric integral (HI), basin asymmetry (AF) and parameters of longitudinal stream profiles (Cf, Cmax, Δl/L, θ, and ksn). Analyzed morphometric parameters were combined into a cumulative index of relative tectonic activity (RTA). This index summarizes drainage basin response to the possible recent tectonic activity. Results suggest that most of the tectonic activity is probably located along the NE front of the Bilogora Mt. area, in its NW and central parts. This activity could be likely related to recent tectonic activity along the Kalnik Mt. Fault zone and Drava Depression Boundary Fault zones, respectively. A subordinate area characterized by recent tectonic activity could be suggested within the southernmost part of the study area. Quaternary activity in this area is probably related to NE-striking faults in the vicinity of the town of Daruvar that continue towards the northeast into the study area. Though methodology presented here represents a good identification tool of possible ongoing deformation, this study will be followed by detailed fieldwork and paleoseismological investigations at the identified locations.

Izvorni jezik
Engleski

Znanstvena područja
Geologija, Rudarstvo, nafta i geološko inženjerstvo



POVEZANOST RADA


Projekt / tema
195-1951293-3155 - CROTEC - Strukturna analiza recentne i neotektonske aktivnosti u Hrvatskoj (Bruno Tomljenović, )

Ustanove
Rudarsko-geološko-naftni fakultet, Zagreb,
Sveučilište u Zagrebu

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  • Scopus


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