Quaternary erosion in the Sognefjord drainage basin, western Norway

Nesje, Atle; Dahl, Svein Olaf; Valen, Vidar; Øvstedal, Jarl

doi:10.1016/0169-555x(92)90022-g

Cited by 43 publications

(19 citation statements)

References 19 publications

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“…Fjords erode rapidly under glacial conditions and their considerable dimensions indicate that they represent significant volumes of rock removal by glacial erosion. Mean Quaternary glacial erosion rates of between 1 and 2 mm a − 1 have been calculated for glacial troughs in western Norway (Nesje et al, 1992) and Scotland (Glasser and Hall, 1997).…”

Section: Introductionmentioning

confidence: 99%

Structural, tectonic and glaciological controls on the evolution of fjord landscapes

Glasser

Ghiglione

2009

Geomorphology

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Section: Introductionmentioning

confidence: 99%

Structural, tectonic and glaciological controls on the evolution of fjord landscapes

Glasser

Ghiglione

2009

Geomorphology

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“…Extensive erosion during several Quaternary glaciations (e.g. Nesje et al 1992) has led to the broadening and deepening of the valleys, and hence to the excavation of the fjord, fjord lakes, and valleys. Their orientation mainly follows the east-west trend of the bedrock structures in the Nordfjord area (Fareth 1987).…”

Section: Study Areamentioning

confidence: 99%

Thickness evolution of the Scandinavian Ice Sheet during the Late Weichselian in Nordfjord, western Norway: evidence from ice-flow modeling

Winguth¹,

Mickelson²,

Larsen³

et al. 2008

Boreas

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Results from experiments with a two-dimensional ice-flow model, applied along a west-east transect in western Norway, provide new constraints on the thickness evolution of the Scandinavian Ice Sheet throughout the Late Weichselian glaciation and deglaciation. Investigations took place along an E-W flowline of the former ice sheet at c. 62 N, from the modern glacier Jostedalsbreen, through the Nordfjord, and across the continental shelf. A paleoclimate record from Kråkenes, which is located directly at the flowline, provides temperature and precipitation information for the time between 13 800 and 9200 cal. yr BP.LGM climate conditions for the study area are estimated from various GCM studies. The GISP2 d 18O record has been tuned to the local data in order to provide a continuous temperature record as input for time-transgressive model runs. The results of all experiments suggest that the ice did not cover the highest mountain peaks in this area, and that nunataks persisted throughout the Late Weichselian glaciation. These findings are in contrast to results from many previous model studies and other ice-sheet reconstructions, but agree well with minimum thickness estimates from cosmogenic dating and with vertical ice limits inferred from lower block field boundaries and trimlines.

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“…For example, Fig. 1 shows the transverse profile of the Sognefjoren fjord in Norway, which has a triangular shape (Nesje et al, 1992). The bathymetry of the Scripps Canyon in California, which is presented in Fig.…”

Section: Introductionmentioning

confidence: 99%

Runup of Tsunami Waves in U-Shaped Bays

Didenkulova

Pelinovsky

2010

Pure Appl. Geophys.

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The problem of tsunami wave shoaling and runup in U-shaped bays (such as fjords) and underwater canyons is studied in the framework of shallow water theory. The wave shoaling in bays, when the depth varies smoothly along the channel axis, is studied with the use of asymptotic approach. In this case a weak reflection provides significant shoaling effects. The existence of traveling (progressive) waves, propagating in bays, when the water depth changes significantly along the channel axis, is studied. It is shown that traveling waves do exist for certain bay bathymetry configurations and may propagate over large distances without reflection.The tsunami runup in such bays is significantly larger than for a plane beach.

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Quaternary erosion in the Sognefjord drainage basin, western Norway

Cited by 43 publications

References 19 publications

Structural, tectonic and glaciological controls on the evolution of fjord landscapes

Structural, tectonic and glaciological controls on the evolution of fjord landscapes

Thickness evolution of the Scandinavian Ice Sheet during the Late Weichselian in Nordfjord, western Norway: evidence from ice-flow modeling

Runup of Tsunami Waves in U-Shaped Bays

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