نتایج جستجو برای: internal erosion

تعداد نتایج: 262054  

Journal: :Nature Geoscience 2022

The colonization of Earth landmasses by vascular plants around 430 million years ago substantially impacted erosion and sediment transport mechanisms. This left behind fingerprints in magmatic rocks, linking the evolution Earth’s biosphere with its internal processes.

2009
Fanbin Kong R. Paul Singh

A model stomach system was used to investigate disintegration of various foods in simulated gastric environment. Food disintegration modes and typical disintegration profiles are summarized in this paper. Mechanisms contributing to the disintegration kinetics of different foods were investigated as related to acidity, temperature, and enzymatic effect on the texture and changes in microstructur...

2016
Brian R. Silliman Philip M. Dixon Cameron Wobus Qiang He Pedro Daleo Brent B. Hughes Matthew Rissing Jonathan M. Willis Mark W. Hester

Ecosystem boundary retreat due to human-induced pressure is a generally observed phenomenon. However, studies that document thresholds beyond which internal resistance mechanisms are overwhelmed are uncommon. Following the Deepwater Horizon (DWH) oil spill, field studies from a few sites suggested that oiling of salt marshes could lead to a biogeomorphic feedback where plant death resulted in i...

Journal: :Environmental Earth Sciences 2023

Planar erosion is an important mode of soil erosion, which occurs in the process loess slope gully and cave erosion. It great significance to understand characteristics mechanism planar reveal prevention treatment water loss. In this paper, a series tests have been carried out through self-developed large-scale scour instrument. The stage subsurface under different conditions analyzed summarize...

Journal: :Zairyo-to-Kankyo 2008

2011
A. Mahadevan A. V. Orpe A. Kudrolli L. Mahadevan

Flow through a saturated, granular, porous medium can lead to internal erosion, preferential flow enhancement, and the formation of channels within the bulk of the medium. We examine this phenomenon using a combination of experimental observations, continuum theory and numerical simulations in a minimal setting. Our experiments are carried out by forcing water through a Hele-Shaw cell packed wi...

Journal: :Elements 2021

Decades of scientific research on the European Alps have helped quantify vast array processes that shape Earth’s surface. Patterns in rock exhumation, surface erosion and topographic changes can be compared to sediment yields preserved sedimentary basins or collected from modern rivers. Erosion-driven isostatic uplift explains up ~50% geodetic rates; remaining reveals importance internal (tecto...

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