Rock walls distribution and Holocene evolution in a mid-latitude mountain range (the Romanian Carpathians)

Matei, Vasile; Vespremeanu‐Stroe, Alfred; Pascal, Daniela; Braucher, Régis; Pleșoianu, Alin; Popescu, Răzvan; Etzelmüller, Bernd

doi:10.1016/j.geomorph.2022.108351

Cited by 5 publications

(5 citation statements)

References 74 publications

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“…These pioneering studies suggest that Neogene tectonic uplift and climate warming in the Southern Carpathians drove RSF development and that periglacial, fluvial and parafluvial triggers were more important than glacial and paraglacial processes. The dominance of Early Holocene (pre‐9 ka) dated boulders in RSF deposits in particular supported these proposals (Vasile et al, 2022). Indeed, the spatio‐temporal relationships between glacial, periglacial and paraglacial landforms may indicate a deglacial/postglacial (Early Holocene) development period for RSFs.…”

Section: Landformsmentioning

confidence: 59%

“…The work of Gunnell et al (2022) and that of Vasile et al (2022) constitute the first inventory and application of 10 Be cosmogenic nuclide dating of RSFs in the Southern Carpathians, respectively. These pioneering studies suggest that Neogene tectonic uplift and climate warming in the Southern Carpathians drove RSF development and that periglacial, fluvial and parafluvial triggers were more important than glacial and paraglacial processes.…”

Section: Spatial Distributionmentioning

confidence: 99%

“…Early studies identified glacial landforms and produced the first topographic maps (Czirbusz, 1905; de Martonne, 1900; Schafarzik, 1899). More recent literature mapped landforms such as intact and relict rock glaciers (Onaca, Ardelean, et al, 2017; Urdea, 1992), cirques (Mîndrescu & Evans, 2014, 2017; Mîndrescu et al, 2010), block streams (Șerban et al, 2019) rock walls (Vasile et al, 2022) and rock slope failures (RSFs; Gunnell et al, 2022). The most comprehensive research has been that of Niculescu (1965), who produced the first field‐based geomorphological map of the range.…”

Section: Study Areamentioning

confidence: 99%

“…The most recent studies consider an alpine (glacial, periglacial and paraglacial) geomorphological model as a framework for palaeoglaciation and palaeoclimate reconstruction. This has either focused on applying absolute/relative dating methods and/or numerical ice modelling (Balaban, 2018; Gheorghiu, 2012; Gheorghiu et al, 2015; Ignéczi & Nagy, 2016; Kłapyta et al, 2021, 2022; Kłapyta, Mîndrescu, & Zasadni, 2023; Kłapyta, Zasadni, & Mîndrescu, 2023; Kuhlemann, Dobre, et al, 2013; László et al, 2013; Reuther et al, 2007; Ruszkiczay‐Rüdiger et al, 2016, 2021; Tîrlă et al, 2020; Urdea & Reuther, 2009), or conducting quantitative inventories of landform characteristics (Gunnell et al, 2022; Mîndrescu & Evans, 2014, 2017; Mîndrescu et al, 2010; Necșoiu et al, 2016; Onaca, Ardelean, et al, 2017; Onaca et al, 2013; Popescu, 2018; Popescu et al, 2021; Popescu, Onaca, Urdea & Vespremeanu‐Stroe, 2017; Șerban et al, 2019; Vasile et al, 2022; Vespremeanu‐Stroe et al, 2012). Despite this work, the relationships between palaeoclimate, geomorphology, and glaciation style and dynamics, particularly in a mountain landsystem context, remain poorly understood.…”

Section: Introductionmentioning

confidence: 99%

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Past glaciation of temperate‐continental mountains: A model for a debris‐charged plateau icefield/cirque glacier landsystem in the Southern Carpathians, Romania

Balaban,

Roberts,

Evans

et al. 2023

Earth Surf Processes Landf

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Reconstructing the extent, style, timing and drivers of past mountain glaciation is crucial in both understanding past atmospheric circulation and predicting future climate change. Unlike in high‐elevation mountains situated in maritime and continental climates, less is known of past glaciation in mid‐altitude mountains, located in transitional climates, such as the Southern Carpathians of Romania. Despite these mountains harbouring a rich glacial geomorphology, this has never been systematically mapped according to well‐established morphological criteria, nor confidently related to former styles of glaciation. Therefore, filling this gap is important for not only accurately identifying glacial extents but also for establishing past glaciation styles and relating them to past ice dynamics and climate. Here, we devise the first glacial landsystem model for the Southern Carpathians, to enhance our understanding of the glaciation style and dynamics of past mountain glaciers in temperate‐continental climates. We present a geomorphological map, from which we infer the spatial and temporal evolution of glacial, periglacial and paraglacial landforms. We then assess the links between the mountain geomorphology and glaciation style and dynamics to construct a glacial landsystem model for debris‐charged plateau icefields and cirque glaciers in temperate‐continental mountain settings.

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Section: Landformsmentioning

confidence: 59%

Section: Spatial Distributionmentioning

confidence: 99%

Section: Study Areamentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Past glaciation of temperate‐continental mountains: A model for a debris‐charged plateau icefield/cirque glacier landsystem in the Southern Carpathians, Romania

Balaban,

Roberts,

Evans

et al. 2023

Earth Surf Processes Landf

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“…The main morphological feature of this area is the high degree of fragmentation of the massifs with glacial landforms (sharp ridges and peaks), together with the limited altitudinal development of the landscapes above treeline. Rockwalls have a larger distribution in Făgăraș massif while they are more reduced in size in all the others [58]. Coarse debris deposits occupy large areas in Retezat and Parâng Mountains in comparison to other massifs.…”

Section: Study Areamentioning

confidence: 99%

Permafrost Distribution in the Southern Carpathians, Romania, Derived From Machine Learning Modeling

Popescu,

Filhol,

Etzelmüller

et al. 2024

Permafrost & Periglacial

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Computer modeling of sporadic and isolated patches of mountain permafrost distribution is difficult to implement without overestimating it. The main challenge is to determine the very areas where the criteria for permafrost maintenance are met. This paper aims to modeling the permafrost distribution in the Southern Carpathians (SC), a typical marginal periglacial mountain range. For this purpose, a collection of 883 bottom temperature of late winter snow cover (BTS) points was used as a proxy for permafrost presence or absence in order to train several machine learning models. The performances of each model were evaluated with AUC with varying between 0.99 for Maxent and 0.74 for K‐nearest neighbors and most models (five) exhibiting values between 0.82 and 0.86. Other tests such as confusion matrices, sensitivity analyses, data shuffling, and data size reduction tests indicated that Maxent, AdaBoost, and support vector machine offered the best results while logistic regression, neural network, and gradient boosting exhibited rather poor permafrost distributions. The final ensemble median model indicated a total permafrost area of 19.2 km2 occupying 1%–9% of the alpine area of the studied massifs. NDVI proved crucial for permafrost prediction because it allows delimiting the debris surfaces where permafrost is probable.

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Glacial landscape evolution during the Holocene in the Romanian Carpathians

Urdea,

Ardelean,

Ardelean

et al. 2024

European Glacial Landscapes

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Rock walls distribution and Holocene evolution in a mid-latitude mountain range (the Romanian Carpathians)

Cited by 5 publications

References 74 publications

Past glaciation of temperate‐continental mountains: A model for a debris‐charged plateau icefield/cirque glacier landsystem in the Southern Carpathians, Romania

Past glaciation of temperate‐continental mountains: A model for a debris‐charged plateau icefield/cirque glacier landsystem in the Southern Carpathians, Romania

Permafrost Distribution in the Southern Carpathians, Romania, Derived From Machine Learning Modeling

Glacial landscape evolution during the Holocene in the Romanian Carpathians

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