Topic
Siltation
About: Siltation is a research topic. Over the lifetime, 1420 publications have been published within this topic receiving 20983 citations.
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TL;DR: In this article, the authors combined three different acoustic systems (a multibeam, a sub-bottom profiler, and a single beam dual frequency system) with sediment coring and dynamic free fall penetrometer measurements for an improved assessment of sediment stock and sediment distribution in the Passauna Reservoir.
11 citations
TL;DR: The Western Nigerian continental shelf lies approximately between longitudes 2°42′ and 5°00′ E. It is a relatively gently sloping and narrow shelf, incised by two canyons, Avon and Mahin this paper.
11 citations
05 Oct 2015
TL;DR: In this paper, the authors performed a qualitative analysis of the erosive susceptibility of the Paraiso das Aguas city in Mato Grosso do Sul state, Brazil, in 2013.
Abstract: Erosion is one of most serious form of soil degradation. In addition to reducing the productive potential of the soil, it can cause serious environmental damage such as pollution of the water resources, modifying the ecology of aquatic ecosystems and silting of watercourses. The Universal Soil Loss Equation (USLE) which estimates erosion under a variety of conditions like soil usage and soil coverage, slope, slope length, soil and rain types through the elaboration of thematic maps, is an important research tool on the erosion process and allows the partitioning of landscape instability levels. When applied through free software and free images, the costs for the study execution are reduced considerably. This study sought to map and to perform a qualitative analysis of the erosive susceptibility of the Paraiso das Aguas city – Mato Grosso do Sul state, Brazil, in 2013. The USLE mathematical model was applying by QGIS, gvSIG and LS-TOOLS softwares. The city obtained an average annual soil loss ranging from 0 to 1,307.32 ton/ha.year. Most part of the land, 91.94%, was classified as a low to moderate erosion since it has an erosive rate lower than 15 ton/ha.year. It was shown that the erosive dynamic was influenced mainly by land characteristics demonstrated through the topographical factor (LS).
10 citations
TL;DR: In this article, the authors investigated magnetic properties variation from the upstream down to the coast of the Pangani River Basin in Tanzania, East Africa, and showed that the influence of lithology and sedimentary sorting on magnetic properties from source to sink pathway has been discussed.
10 citations
TL;DR: In this article, a three-dimensional hydro-sedimentary model (TELEMAC-3D) was calibrated with field measurements from 2014 to 2019, and in situ measurements (turbidity, bathymetric surveys, seabed elevation) showed that the macro-tidal influence and local wind-wave regime significantly contributed to siltation in the marina.
10 citations