نتایج جستجو برای: glacial erosion

تعداد نتایج: 41285  

2001
A. S. Trenhaile

A mathematical model was used to study the effect of glacially induced fluctuations in sea level on the formation of wave-cut terraces on tectonically mobile rock coasts. Two deep water wave sets were used to calculate breaker height and depth, which, along with surf zone width, bottom roughness, and the gradient of the submarine slope, dictated the force exerted at the shoreline. An erosional ...

Journal: :geopersia 0
babak ebrahimi ministries of energy,isfahan regional water company abdollah seif geographic sciences and planning faculty, university of isfahan,

equilibrium-line altitudes (elas) of former glaciers in the zardkuh mountain of the zagros mountain range were reconstructed from glacial-geologic data on former ice limits by using various methods. in the study area various types of glacial landforms such as outwash fans, moraines and well developed glacial cirques are observed. the results suggest that ela were depressed 1433 m below to prese...

Journal: :Earth-Science Reviews 2021

Uplift and erosion are complex phenomena in terms of their governing processes, precise timing exact magnitude. The intricate relationship between different geodynamic processes leading to uplift may increase uncertainties estimating spatial temporal patterns. Sediment distribution from uplifted (and eroded) topography the corresponding paleoenvironmental reconstructions require reliable constr...

2006
A. L. Slagle T. Kenna

High-resolution seismic data and sediment cores reveal the late Holocene subsurface stratigraphy of the broad Tappan Zee– Piermont region of the Hudson River Estuary. We identify a series of distinct, extensive horizons beneath the marginal flats, channel banks, and main channel in this area. Physical properties and lithology from sediment cores suggest that these horizons are surfaces of erosi...

The morphology of glacial valley can be described in terms of power law or quadratic equations fitted to valley cross-profiles. These two models are used to study the cross-profiles of 86 valley cross-profiles in the Zardkuh Mountain in order to understand the evolutional patterns of valleys. Assessment of using the power law function indicates that b values for both valley sides range from 1.0...

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