Results 21 to 30 of about 59,519,627 (161)

Simulación del proceso precipitación-escorrentía con paso diario: comparación de los modelos GR4J, SWAT y random forest

open access: yesRibagua, 2023
RESUMENUn sólido estudio hidrológico diario es una tarea desafiante en regiones caracterizadas por una alta variabilidad hidro-climática, como Uruguay. Por esta razón, los modelos hidrológicos de base física de diferentes escalas temporales y espaciales (
Federico Vilaseca   +4 more
doaj   +1 more source

Performance Curve of a Radial Flow Turbine for an OWC Plant

open access: yesProceedings, 2018
In this article, the performance of a radial flow turbine is determined in the framework of oscillating water column installations (OWC). The studied turbine redesigned and adapted from previous studies to this application, is analyzed in detail using ...
Mina Saad   +4 more
doaj   +1 more source

Acoustic measurements of a liquefied cohesive sediment bed under waves [PDF]

open access: yesAdvances in Geosciences, 2014
In this article the response of a cohesive sediment deposit under the action of water waves is studied with the help of laboratory experiments and an analytical model.
R. Mosquera, V. Groposo, F. Pedocchi
doaj   +1 more source

Simulación del sistema hidraúlico e hidrológico de la cuenca del río Rímac-Santa Eulalia

open access: yesRevista de Investigación de Física, 2014
El presente trabajo tiene como objetivo elaborar un modelo de simulación, para la operación del sistema hidráulico e hidrológico de la cuenca del río Rímac-Santa Eulalia, que incluye el proyecto de la central hidroeléctrica de Huanza actualmente en ...
D. D. Sarango   +4 more
doaj   +1 more source

Differential xylem phytohormone export from dry and wet roots during partial rootzone drying is independent of shoot-to-root transport in soybean. [PDF]

open access: yesPhysiol Plant
Abstract Different phytohormones can act as root‐to‐shoot signalling molecules in response to soil drying. Recent findings suggest that root ABA levels are predominantly leaf‐sourced and not locally synthesized, thus, ABA exported from the roots in the xylem is mostly recycled from the shoot.
Puértolas J   +3 more
europepmc   +2 more sources

Yield strength determination from slump test

open access: yesRibagua, 2021
The routinely determination of the yield strength of muddy beds is particularly important for the assessment of navigation in ports located in estuaries where cohesive sediments are abundant.
Rodrigo Mosquera, Francisco Pedocchi
doaj   +1 more source

Temporal and Spatial Variability Scales of Salinity at a Large Microtidal Estuary

open access: yesJournal of Marine Science and Engineering, 2021
The Río de la Plata is a large fluvial–estuarine–sea system discharging into the southwestern Atlantic Ocean, which has relevant features such as high fluvial discharge, microtidal astronomical tidal scales, a relevant meteorological tide, and a strong ...
Michelle Jackson   +3 more
doaj   +1 more source

Desarrollo e implementación de un modelo matemático para la evaluación del impacto ambiental de la intrusión marina en el acuífero del rio Caplina, Tacna Perú

open access: yesRevista de Investigación de Física, 2010
La sobreexplotación de los acuíferos costeros de nuestro país para el abastecimiento de la demanda de agua para uso doméstico y agrícola ha producido en los últimos años un incremento del problema de la intrusión marina en estos acuíferos.
E. Rojas Gonzáles   +2 more
doaj   +1 more source

A Cloud-Based Environment for Generating Yield Estimation Maps From Apple Orchards Using UAV Imagery and a Deep Learning Technique

open access: yesFrontiers in Plant Science, 2020
Farmers require accurate yield estimates, since they are key to predicting the volume of stock needed at supermarkets and to organizing harvesting operations.
Orly Enrique Apolo-Apolo   +3 more
doaj   +1 more source

Fine sediment dynamics in the Río de la Plata [PDF]

open access: yesAdvances in Geosciences, 2014
This paper investigates the main characteristics of the fine sediments dynamics in a very complex and extensive inner shelf area located in South America, the Río de la Plata.
M. Fossati, F. Cayocca, I. Piedra-Cueva
doaj   +1 more source

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