The first near‐global high‐resolution digital elevation model (DEM) of the Earth has recently been released following successful Shuttle Radar Topography Mission (SRTM) 2000. This data set will have applications in a wide range fields and be especially valuable sciences. Prior to widespread dissemination use, it is important acquire knowledge regarding accuracy characteristics. In this work comprehensive analysis vertical errors present assessment their effects on different hydrogeomorphic...

Source-to-sink geoscientific domain and environmental plastic cycle studies are two major scientific worlds starting to interact, taking benefit from each other. To advance in our understanding of the sharing benefits between interconnecting research communities, we firstly carry out a review sedimentology, sources, sinks, transport dynamic pathways microplastics along entire source-to-sink (S2S) profile. The main peculiarities for numerous distributed sources across environment, as well...

Abstract Production of digital elevation maps often requires interpolation observations at particular locations. For hydrologic applications the resulting surface should have well defined drainage directions, reproduce roughness natural terrain and ideally preserve distributions elevations, slopes curvatures. The work J. Niemann et al . (Water Resources Research, 2003, vol. 39, pp. 1017–1032) proposes a physically based method that is an improvement over commonly used linear or fractal...

Triangulated irregular networks (TIN) can form the basis for multiple‐resolution representations in distributed hydrogeomorphic simulations over complex basins. Current methods deriving TIN meshes depend primarily on surface slope without considering other terrain attributes significant to watershed response such as specific basin area. As an alternative, we present a methodology combining or landscape index with unstructured triangulated mesh. Landscape indices provide concise method...

The aim of this study was to evaluate the effect autoimmune hepatitis (AIH) on quality life children and adolescents identify which variables health-related (HRQoL).The Pediatric Quality Life Inventory 4.0 (PedsQL 4.0) used HRQoL. In addition, a questionnaire applied included signs, symptoms, use medications.A total 43 patients (mean age, 15.0 ± 3.9 years; 65.1% girls; 90.7% with type 1 AIH) evaluated. Advanced liver disease present in 30.2%, 18.6% had sclerosing cholangitis. Treatment...

A numerical model presented here develops a three‐dimensional image of alluvial media on an elementary scale significant for groundwater flow modelling. The was tested the plain Rhône River (France), several kilometres and, from geomorphological observations and dating, reproduced construction this ≈15 000 years BP to present. history during Late Glacial Holocene periods is summarized. Through most time, has maintained braided pattern, with exception two incising phases meander pattern. does...

The Cellular Automata for Turbidite systems (CATS) model is intended to simulate the fine architecture and facies distribution of turbidite reservoirs with a multi-event process-based approach. main processes low-density turbulent turbidity flow are modeled: downslope sediment-laden flow, entrainment ambient water, erosion deposition several distinct lithologies. This numerical model, derived from (Salles, 2006; Salles et al., 2007), proposes new approach based on Rouse concentration profile...

The Yacoraite Formation is a complex lacustrine microbialite-bearing carbonate formation whose heterogeneity due to different sedimentary facies associations and several microbialite geobodies. bi-variate plurigaussian geostatistical method applied simulate in parallel these two types of 3D reservoir-scale geological model. Each variable simulated by complete based on interpretation field observations quantifications. They are coupled through the occurrence microbialites within associated...

This article presents a genesis method for characterizing heterogeneous media representing alluvial deposits. simulates the main steps of medium meandering, braided, and incising streams generates facies, which are then translated into hydraulic conductivities to simulate flow transport. In order compare this "genetic" model with other methods commonly used characterize media, basic sequential Gaussian indicator was applied same site: 5200-m-long reach Aube River floodplain (France). Ten...

This work was presented at the EAGE workshop in Grenoble. Its purpose to illustrate a stratigraphic modelling approach on single schematic 2D case and discuss which sedimentary features are imaged synthetic seismic sections different frequencies. The Vercors plateau carbonate sequence, deposited during Barremian Early Aptian, considered. Modelling hypotheses constrained mainly depositional time length geometry of each sequence. In addition, it assumed that most carbonates were produced situ...

The goal of this work is to model the present basin-scale groundwater flow Paris basin with a modelling approach and use it initialise reservoir for CO2 injection. It part ULTimateCO2 FP7 European funded project which aims significantly enhance our knowledge specific processes that may affect long-term fate geologically stored CO2. Basin models simulate history sedimentary basins through time by coupling geological events such as deposition, erosion, compaction, structural deformation...

This article proposes a multi-agent approach to modelling the genesis of alluvial sediments. The aim is generate set sedimentary structures such as channels, point-bars and oxbow lakes by means process simulations. These will later be used study groundwater flow. major deposition-erosion processes are represented in an approximate stochastic manner. behaviour entities defined empirical rules derived from local geometry flume. emphasis this paper on capacity model reproduce stream evolution....

Turbidity currents are a form of gravity-driven flow that occurs in subaqueous environments. These contain low volumetric percentage particles but very important transporting them from coastal to deep-marine In the Var sediment routing system, southeastern France, there is sedimentary record turbidity formed by submarine landslides and flooding River. 2006, was continuous monitoring marine section recorded four currents. To explore connectivity between terrestrial source basin we linked two...

As an introduction to this thematic issue on "Modelling approaches in sedimentology", paper gives overview of the workshop held Paris 7 November 2013 during 14th Congress French Association Sedimentologists. A synthesis terms concepts, spatial and temporal scales, constraining data, scientific challenges is first presented, then a discussion possibility coupling different models, industrial needs, new potential domains research exposed.

O feijao bravo-do-ceara ( Canavalia brasiliensis ) e uma planta anual ou bianual, herbacea, de crescimento prostrado, apresentando grande potencial producao biomassa rusticidade durante periodos deficiencia hidrica, devido ao sistema radicular agressivo, que absorve agua nutrientes a maiores profundidades do solo. substrato pode afetar germinacao o desenvolvimento das plantas jovens sua escolha deve ser feita em funcao exigencias da semente relacao seu tamanho formato. presente trabalho teve...