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Impact of sand mining: A case study of initial growth of forest species for recovery of degraded areas
(Univ Austral Chile, Fac Ciencias Forestales, 2021-01-01)
The Vale do Ribeira region has a large extension of Brazilian Atlantic Forest, and in most cities, low environmental impact activities predominate, such as sand mining. Sand mining has been trying to adapt their industrial ...
Universal relation with regime transition for sediment transport in fine-grained rivers
(National Academy of Sciences, 2019-12-18)
Fine-grained sediment (grain size under 2,000 μm) builds floodplains and deltas, and shapes the coastlines where much of humanity lives. However, a universal, physically based predictor of sediment flux for fine-grained ...
Formation of granular jets observed by high-speed X-ray radiography
(NATURE PUBLISHING GROUP, 2005-12)
When a heavy sphere is dropped onto a bed of loose, fine sand, a remarkable phenomenon occurs: a large, focused jet of sand shoots upwards(1-4). Although similar looking jets are observed on impact in fluid systems(5-7), ...
Morphological-behavioral adaptations of two benthic invertebrate species to face strong bed hydrodynamic forces in a large South-American river
(Elsevier, 2014-06)
This scientific communication describes and discusses morphological–behavioral adaptations to flow of two benthic invertebrate species to survive in highly turbulent habitats of the large Paraguay River (Argentina – ...
Form roughness and the absence of secondary flow in a large confluence-diffluence, Rio Paraná, Argentina
(John Wiley & Sons Ltd, 2007-01)
Confluence–diffluence units are key elements within many river networks, having a major impact upon the routing of flow and sediment, and hence upon channel change. Although much progress has been made in understanding ...
Abundância de molusco associado a macrófitas aquáticas em um tributário do reservatório Luís Eduardo Magalhães – Tocantins.
(Universidade Federal do TocantinsPorto NacionalCiências BiológicasPorto NacionalGraduação, 2022)
Decimeter-scale in situ mapping of modern cross-bedded dune deposits using parametric echo sounding : a new method for linking river processes and their deposits
(American Geophysical Union, 2013-08)
Collecting high-resolution data to quantify the sedimentary architecture within contemporary alluvial channels remains one of the outstanding challenges in fluvial sedimentology. Here, we present data collected using a ...
Extraordinary sediment delivery and rapid geomorphic response following the 2008–2009 eruption of Chait en Volcano, Chile
(American Geophysical Union, 2016)
The 10 day explosive phase of the 2008-2009 eruption of Chaiten volcano, Chile, draped adjacent watersheds with a few cm to >1 m of tephra. Subsequent lava-dome collapses generated pyroclastic flows that delivered additional ...