Nivation Hollows and Glacial Cirques in Söderåsen, Scania, South Sweden

Rapp, Anders

doi:10.1080/04353676.1984.11880097

Cited by 25 publications

(23 citation statements)

References 18 publications

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“…Frost is responsible for the angularity of many cold-land peaks and ridges, and for extensive areas of lake and marsh, as in the Lake Plateau of Labrador. True, prominent planate surfaces are preserved on bedrock plains and hills, yet disturbed and hummocky slopes, as well as patterned ground, permafrost, and other unusual minor forms (such as thermokarst, rock glaciers, and pingos) give character to frost-affected landscapes (e.g., Bryan, 1946;Black, 1954;Washburn, 1956;Wahrhaftig and Cox, 1959;Müller, 1959;Mackay, 1962;Mackay and Stager, 1966;Péwé, 1975;Rapp, 1983Rapp, , 1984Giardino et al, 1987;Barsch, 1993;Thorn et al, 2001).…”

Section: Climatic Geomorphologymentioning

confidence: 99%

“Canons” revisited and reviewed: Lester Kingʼs views of landscape evolution considered 50 years later

Twidale

2003

Geo. Society Am. Bull.

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Fifty years after its publication, LesterKing's Canons of Landscape Evolution is reviewed and is considered in light of subsequent trends and actual developments. Some of his ideas, such as the role of scarp recession and the antiquity of some surfaces, remain current. His broad view of the world and his interest in major relief anticipated trends that are now fashionable. Some of his interpretations, however, and in particular his downgrading of the importance of structural factors and his linking of scarp retreat and pedimentation, have not stood the test of time. Other concepts, such as the etch or two-stage origin of forms, which were mooted but not fully appreciated in King's day, have come to the forefront, and technological advances in dating and survey, particularly of the ocean floors, have signaled new perspectives in landscape interpretation. Nevertheless, King's was a courageous attempt to provide guidelines for landscape study.

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Section: Climatic Geomorphologymentioning

confidence: 99%

“Canons” revisited and reviewed: Lester Kingʼs views of landscape evolution considered 50 years later

Twidale

2003

Geo. Society Am. Bull.

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“…A threshold usually separates the cirque and the valley. Many studies have been undertaken globally (Evans 2013) that aim to understand cirque distribution and orientation (Temple 1965;Unwin 1973;Evans 1977) and specific features of cirque morphology (Trenhaile 1975(Trenhaile , 1976Gordon 1977;Aniya and Welch 1981;Rapp 1984;Rudberg 1984;Vilborg 1984;Embleton and Hamann 1988;Bennett 1990;Evans and Cox 1995;Davis 1999;Federici and Spagnolo 2004;Evans 2006;Hughes et al 2007;Bathrellos et al 2014;Delmas et al 2014).…”

Section: Introductionmentioning

confidence: 99%

Glacial cirques in the southern side of the cantabrian mountains of southwestern europe

Gómez-Villar

González

Gutiérrez

et al. 2015

Geografiska Annaler: Series A, Physical Geography

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A total of 156 glacial cirques located on two different areas in the Cantabrian Mountains (NW Spain) were identified and measured in order to continue and expand the study of these large‐scale erosional forms in European mountains. Environmental variables that may explain cirque distribution (altitude, aspect and lithology), and their most important morphometric features (area, length (L), width (W), headwall height (H), and L/W, L/H and W/H indices), are analysed. Statistical analysis has been applied as indicators of contrast (ANOVA) and association (correlation and regression). Conglomerate analysis (CLUSTER) has been used to discriminate cirque groups based on their morphometric variables. Results show that cirques occur at lower altitudes in the Upper Sil River basin area than in the Montaña Central area due to a lower former equilibrium line altitude (ELA) position. In the Upper Sil River basin, environmental variables appear to have had a strong influence on the location and size of cirques: the largest cirques are located in quartzite rocks at elevations above 2000 m and face N or NE. In Montaña Central, the influence of these factors was more limited as a consequence of higher geological structure control. Cirque sizes generally are modest compared with cirques present in other mountain ranges globally, most likely due to shorter glacial occupancy in the Cantabrian Mountains.

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“…The evolution of snowpatch hollows and pronival ramparts is dependent on climatic conditions. In some areas, the features are relict and their formation occurred during past colder periods, for instance snowpatch hollows in southern Sweden (Rapp 1984; Rapp et al . 1986) or pronival ramparts in Wales (Coleman and Carr 2008), both suggested to be of Younger Dryas origin.…”

Section: Introductionmentioning

confidence: 99%

“…The importance of the geomorphological effects of snow has long been a subject of discussion (Thorn 1988; Thorn and Hall 2002). Bowl-shaped depressions incised in slopes, termed variously as nivation hollows, snow/snowpatch hollows or nivation/nival niches, have been described in connection with long-lasting or permanent snow patches (e.g., Lewis 1939;Henderson 1956;Rapp 1984;Ballantyne 1985;Raczkowska 1995;Christiansen 1998b;Sancho et al 2001;Kariya 2002;Palacios et al 2003;Kariya 2005). Similarly, low ridges, termed pronival/protalus ramparts, have been observed along the lower margins of longlasting snow patches, consisting of material that slides across the surface of the snow patch after falling from a rocky wall located above (Ballantyne and Benn 1994;Hall and Meiklejohn 1997;Shakesby 1997).…”

Section: Introductionmentioning

confidence: 99%

Snowpatch hollows and pronival ramparts in the krkonoše mountains, czech republic: distribution, morphology and chronology of formation

Margold

Treml

Petr

et al. 2011

Geografiska Annaler: Series A, Physical Geography

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Two types of landforms attributed to the geomorphological effects of long-lasting snow accumulations, snowpatch hollows and pronival ramparts, were studied in the Krkonoše Mountains, Czech Republic. Factors influencing the distribution and morphology of snowpatch hollows were examined using statistical analysis of field-measured and DEM-modelled snowpatch hollow characteristics. Snowpatch hollows were classified into two groups. The first group comprises hollows developed mainly in erosional incisions from streams on low-relief summit planation surfaces. The hollows of this group are relatively small and display signs of recent activity, with development during the Holocene. The second group consists of larger snowpatch hollows developed in debris-covered slopes of the highest summits, closely related to the cryoplanation terraces occurring in the area. The hollows of this group are suggested to have developed in the periglacial environment of the glacial periods. The age and degree of activity of pronival ramparts, occurring only at two sites in the study area, were determined using several methods (Schmidt hammer, lichenometry, pollen analysis, and radiocarbon dating). The appearance of these pronival ramparts differs between the two sites as a result of the different geological setting. Both the ramparts in the Harrachova jáma cirque, consisting of coarse granite debris, and the rampart in the Úpská jáma cirque, developed of mica-schist clasts, have been active during the late Holocene and are considered to be active even today.

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Nivation Hollows and Glacial Cirques in Söderåsen, Scania, South Sweden

Cited by 25 publications

References 18 publications

“Canons” revisited and reviewed: Lester Kingʼs views of landscape evolution considered 50 years later

“Canons” revisited and reviewed: Lester Kingʼs views of landscape evolution considered 50 years later

Glacial cirques in the southern side of the cantabrian mountains of southwestern europe

Snowpatch hollows and pronival ramparts in the krkonoše mountains, czech republic: distribution, morphology and chronology of formation

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