Jove
Visualize
Contáctanos
JoVE
x logofacebook logolinkedin logoyoutube logo
ACERCA DE JoVE
Visión GeneralLiderazgoBlogCentro de Ayuda JoVE
AUTORES
Proceso de PublicaciónConsejo EditorialAlcance y PolíticasRevisión por ParesPreguntas FrecuentesEnviar
BIBLIOTECARIOS
TestimoniosSuscripcionesAccesoRecursosConsejo Asesor de BibliotecasPreguntas Frecuentes
INVESTIGACIÓN
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchivo
EDUCACIÓN
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualCentro de Recursos para ProfesoresSitio de Profesores
Términos y Condiciones de Uso
Política de Privacidad
Políticas

Videos de Conceptos Relacionados

Design Example: Forces in Sluice Gate01:11

Design Example: Forces in Sluice Gate

In hydraulic engineering, sluice gates are essential for managing water flow through channels, reservoirs, and irrigation systems. Sluice gates, acting as vertical barriers, regulate water by adjusting the gate's opening height, which changes the velocity and pressure of water flowing beneath the gate. Understanding the forces involved is crucial to designing sluice gates that can withstand dynamic pressure differences, especially when the gate is closed or partially open.
Key variables in...
Gradually Varying Flow01:29

Gradually Varying Flow

Gradually varying flow (GVF) in open channels describes situations where water depth changes slowly along the channel due to factors like non-uniform bed slope, channel shape variations, or obstructions. This flow type occurs when the depth adjusts gradually to balance gravitational forces, shear forces, and energy requirements, resulting in a low rate of depth change.Characteristics of Gradually Varying FlowGVF is commonly observed in natural streams, rivers, and canals, where flow depth...
Rapidly Varying Flow01:24

Rapidly Varying Flow

Rapidly varying flow (RVF) in open channels is characterized by abrupt changes in flow depth over a short distance, with the rate of depth change relative to distance often approaching unity. These flows are inherently complex due to their transient and multi-dimensional nature, making exact analysis difficult. However, approximate solutions using simplified models provide valuable insights into their behavior.Key Features of Rapidly Varying FlowRVF is commonly observed in scenarios involving...
Hydraulic Jump: Problem Solving01:16

Hydraulic Jump: Problem Solving

To analyze a hydraulic jump in a rectangular channel with a flow speed of 6 meters per second, follow these steps:Calculate Effective Upstream Velocity:When the downstream gate closes, a hydraulic jump forms, traveling upstream at 2 meters per second. This wave speed combines with the initial channel flow velocity, creating an effective upstream velocity.Identify Flow Velocities Before and After the Hydraulic Jump:Upstream of the hydraulic jump, the effective flow velocity includes both the...
Underflow Gates01:30

Underflow Gates

Underflow gates are vital for controlling water flow in irrigation canals. The three main types of underflow gates — vertical, radial, and drum gates — serve different purposes while ensuring effective flow management. Vertical gates move up and down, generating a free-flowing water jet; radial gates pivot to regulate the flow; and drum gates rotate for precise adjustments. The flow through these gates is influenced by downstream conditions, resulting in free or drowned outflow.Free and Drowned...
Net Change Theorem01:22

Net Change Theorem

The Net Change Theorem is a fundamental principle in calculus that establishes a direct relationship between a function’s rate of change and its accumulated change over an interval. Mathematically, it states that the definite integral of a function's derivative over a given interval [a,b] yields the net change in the original function:This theorem has significant applications in various real-world scenarios, including physics, economics, and engineering. A particularly useful application is in...

También podría leer

Artículos Relacionados

Artículos vinculados a este trabajo por autores compartidos, revista y gráfico de citas.

Ordenar por
Same author

Macrolitter accumulation in tidal marsh wrack deposits in a large estuary.

Marine pollution bulletin·2026
Same author

Tools and approaches for mapping Marine Animal Forests: A practical overview for researchers and conservationists.

Open research Europe·2026
Same author

Macrolitter trapping in mangroves: Insights from forest structure and local community knowledge.

Environmental pollution (Barking, Essex : 1987)·2025
Same author

Out of sight, but not out of mind: Key issues regarding seafloor macrolitter monitoring.

Marine pollution bulletin·2025
Same author

Drivers of microplastic accumulation in a densely canyoned continental margin: Insights from blackmouth catsharks (Galeus melastomus).

Marine environmental research·2025
Same author

A century of sediment metal contamination of Mar Menor, Europe's largest saltwater lagoon.

Marine pollution bulletin·2025

Video Experimental Relacionado

Updated: Jul 14, 2026

Continuous Instream Monitoring of Nutrients and Sediment in Agricultural Watersheds
12:50

Continuous Instream Monitoring of Nutrients and Sediment in Agricultural Watersheds

Published on: September 26, 2017

Enjuagando los cañones submarinos.

Miquel Canals1, Pere Puig, Xavier Durrieu de Madron

  • 1CRG Marine Geosciences, Department of Stratigraphy, Paleontology and Marine Geosciences, University of Barcelona, E-08028 Barcelona, Spain. miquelcanals@ub.edu

Nature
|November 17, 2006
PubMed
Resumen

La cascada de agua de plataforma densa (DSWC) puede desencadenar flujos de sedimentos en cañones submarinos, transportando grandes cantidades de material a las profundidades del océano. Este proceso, impulsado por contrastes de densidad, impacta los ecosistemas de aguas profundas y el almacenamiento de carbono.

Más Videos Relacionados

Probing the Structure and Dynamics of Interfacial Water with Scanning Tunneling Microscopy and Spectroscopy
10:28

Probing the Structure and Dynamics of Interfacial Water with Scanning Tunneling Microscopy and Spectroscopy

Published on: May 27, 2018

Visualization of Flow Field Around a Vibrating Pipeline Within an Equilibrium Scour Hole
09:37

Visualization of Flow Field Around a Vibrating Pipeline Within an Equilibrium Scour Hole

Published on: August 26, 2019

Videos de Experimentos Relacionados

Last Updated: Jul 14, 2026

Continuous Instream Monitoring of Nutrients and Sediment in Agricultural Watersheds
12:50

Continuous Instream Monitoring of Nutrients and Sediment in Agricultural Watersheds

Published on: September 26, 2017

Probing the Structure and Dynamics of Interfacial Water with Scanning Tunneling Microscopy and Spectroscopy
10:28

Probing the Structure and Dynamics of Interfacial Water with Scanning Tunneling Microscopy and Spectroscopy

Published on: May 27, 2018

Visualization of Flow Field Around a Vibrating Pipeline Within an Equilibrium Scour Hole
09:37

Visualization of Flow Field Around a Vibrating Pipeline Within an Equilibrium Scour Hole

Published on: August 26, 2019

Área de la Ciencia:

  • Oceanografía La oceanografía es la oceanografía.
  • Geología marina Geología marina.
  • La sedimentología sedimentológica.

Sus antecedentes:

  • Los cañones submarinos actúan como conductos para el transporte de sedimentos y materia orgánica desde las plataformas hasta las profundidades del océano.
  • Los flujos de gravedad de los sedimentos en estos cañones se atribuyen típicamente a la falla de los sedimentos o a las inundaciones de los ríos, especialmente durante las elevaciones del nivel del mar.
  • La cascada de agua de plataforma densa (DSWC) es un fenómeno de corriente impulsado por la densidad que ocurre en los márgenes continentales.

Objetivo del estudio:

  • Para investigar el papel de DSWC como un disparador para los flujos de gravedad de sedimentos en cañones submarinos.
  • Analizar el impacto de la DSWC en el transporte de sedimentos y los entornos de aguas profundas.
  • Evaluar la influencia potencial del cambio climático en la frecuencia e intensidad de la DSWC.

Principales métodos:

  • Las observaciones se llevaron a cabo en un cañón submarino en el margen del Golfo de los Leones, NW Mar Mediterráneo.
  • El análisis se centró en identificar los eventos de la DSWC y su correlación con los flujos de gravedad de los sedimentos.
  • El transporte de sedimentos y los impactos de deposición se evaluaron utilizando datos de observación.

Principales resultados:

  • DSWC fue identificado como un disparador para los flujos de gravedad de sedimentos en el cañón submarino estudiado.
  • Estos eventos en cascada transportan volúmenes significativos de agua y sedimentos, remodelando los suelos de los cañones.
  • Se observó que el DSWC es estacional, impulsado por el enfriamiento y / o la evaporación, e impacta rápidamente en los entornos de aguas profundas.

Conclusiones:

  • DSWC es un mecanismo significativo, previamente subestimado, para el transporte de sedimentos y materia orgánica a las profundidades del océano.
  • La naturaleza estacional de DSWC destaca su importancia en la transferencia de materiales a través de los márgenes continentales.
  • El cambio climático futuro puede alterar la dinámica de la DSWC, afectando el almacenamiento de carbono en aguas profundas y la función del ecosistema.