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

General External Flow Characteristics01:26

General External Flow Characteristics

226
The study of external flow is essential for creating structures and objects that interact efficiently and safely with moving fluids, such as air or water. When a body is immersed in a flowing fluid, it experiences two primary forces: drag, which opposes motion along the flow direction, and lift, which acts perpendicular to the flow. The shape, size, and orientation of the object influence these forces.Streamlined and Blunt Bodies in External FlowObjects in fluid flow are classified as...
226
Internal and External Forces01:12

Internal and External Forces

13.1K
Newton's first law states that a net external force causes a change in motion. External forces act on an object or system, originating outside of the object or system. In contrast, internal forces originate inside the system of interest and do not lead to any acceleration. In simpler words, internal forces are forces that act on one part of an object and are exerted by another part of the same object. External forces are forces that act on an object due to some other object. Therefore, when...
13.1K
Global Climate Change01:50

Global Climate Change

24.5K
Throughout its ~4.5 billion year history, the Earth has experienced periods of warming and cooling. However, the current drastic increase in global temperatures is well outside of the Earth’s cyclic norms, and evidence for human-caused global climate change is compelling. Paleoclimatology, the study of ancient climate conditions, provides ample evidence for human-caused global climate change by comparing recent conditions with those in the past.
24.5K
Precipitation Processes01:12

Precipitation Processes

484
The experimental conditions in a gravimetric analysis should be optimized to maximize the particle size and purity of the obtained precipitate. Ideally, the concentration of the precipitating reagent should be low with effective stirring to maintain low relative supersaturation for the growth of large crystals. In homogeneous precipitation, the precipitant is slowly generated by a chemical reaction in the solution to avoid local reagent excesses. For example, urea decomposes gradually to...
484
Coriolis Force01:23

Coriolis Force

3.5K
An accelerating particle experiences a force equal to the mass multiplied by the acceleration in an inertial frame of reference. Consider a particle in a non-inertial frame of reference, such as a sliding ball on a rotating table. The acceleration of the ball in this rotating reference frame is different than in the intertial frame, which modifies its equation of motion. The fictitious forces acting additionally on a rotating frame of reference alter Newton's Second Law expression.
3.5K
What is Climate?01:16

What is Climate?

18.6K
Climate refers to the prevailing weather conditions in a specific area over an extended period. As the saying goes, “Climate is what you expect. Weather is what you get.” Climate is influenced by geographic factors, such as latitude, terrain, and proximity to bodies of water.
18.6K

También podría leer

Artículos Relacionados

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

Ordenar por
Same author

Deep learning reveals enhanced ENSO predictability under historical anthropogenic forcing.

Science advances·2026
Same author

Climate models exaggerate greenhouse gas impact on recent interhemispheric temperature patterns and tropical climate.

Nature communications·2026
Same author

More extreme Indian monsoon rainfall in El Niño summers.

Science (New York, N.Y.)·2025
Same author

Reduced Antarctic Bottom Water overturning rate during the early last deglaciation inferred from radiocarbon records.

Nature communications·2025
Same author

Human emissions drive recent trends in North Pacific climate variations.

Nature·2025
Same author

Confronting Earth System Model trends with observations.

Science advances·2025

Video Experimental Relacionado

Updated: Jul 16, 2025

Investigating the Relationship between Sea Surface Chlorophyll and Major Features of the South China Sea with Satellite Information
10:28

Investigating the Relationship between Sea Surface Chlorophyll and Major Features of the South China Sea with Satellite Information

Published on: June 13, 2020

5.9K

La variabilidad multidecenal del Atlántico tropical está dominada por fuerzas externas

Chengfei He1, Amy C Clement2, Sydney M Kramer3

  • 1Rosenstiel School of Marine, Atmospheric, and Earth Science, University of Miami, Miami, FL, USA. cxh1079@miami.edu.

Nature
|September 13, 2023
PubMed
Resumen
Este resumen es generado por máquina.

El gradiente de temperatura de la superficie del Atlántico tropical (SST), impulsado por las emisiones humanas y los aerosoles volcánicos, influye significativamente en la actividad de los huracanes y las precipitaciones en el Sahel. Este vínculo climático crucial es más claro cuando se corrigen los sesgos del modelo.

Más Videos Relacionados

Exploring the Effects of Atmospheric Forcings on Evaporation: Experimental Integration of the Atmospheric Boundary Layer and Shallow Subsurface
13:27

Exploring the Effects of Atmospheric Forcings on Evaporation: Experimental Integration of the Atmospheric Boundary Layer and Shallow Subsurface

Published on: June 8, 2015

8.8K
Using Generative Art to Convey Past and Future Climate Transitions
06:10

Using Generative Art to Convey Past and Future Climate Transitions

Published on: March 31, 2023

994

Videos de Experimentos Relacionados

Last Updated: Jul 16, 2025

Investigating the Relationship between Sea Surface Chlorophyll and Major Features of the South China Sea with Satellite Information
10:28

Investigating the Relationship between Sea Surface Chlorophyll and Major Features of the South China Sea with Satellite Information

Published on: June 13, 2020

5.9K
Exploring the Effects of Atmospheric Forcings on Evaporation: Experimental Integration of the Atmospheric Boundary Layer and Shallow Subsurface
13:27

Exploring the Effects of Atmospheric Forcings on Evaporation: Experimental Integration of the Atmospheric Boundary Layer and Shallow Subsurface

Published on: June 8, 2015

8.8K
Using Generative Art to Convey Past and Future Climate Transitions
06:10

Using Generative Art to Convey Past and Future Climate Transitions

Published on: March 31, 2023

994

Área de la Ciencia:

  • Ciencias del clima
  • Ciencias atmosféricas
  • La oceanografía

Sus antecedentes:

  • El clima atlántico tropical exhibe variabilidad multidecadal en las temperaturas de la superficie del mar (SST), las precipitaciones del Sahel y la actividad de los huracanes.
  • Los orígenes físicos de estos sistemas climáticos interconectados siguen siendo objeto de debate debido a las incertidumbres de los modelos y las observaciones.

Objetivo del estudio:

  • Investigar el papel del gradiente transequatorial en las SST tropicales del Atlántico como motor de la formación de huracanes en el Atlántico y de las precipitaciones en el Sahel.
  • Evaluar el rendimiento de los modelos del sistema CMIP6 en la simulación de estas relaciones climáticas.

Principales métodos:

  • Análisis de datos climáticos históricos y un gran conjunto de modelos del sistema CMIP6.
  • Identificación y corrección de los sesgos del modelo en la simulación de las tendencias de calentamiento del hemisferio norte frente al sur y los cambios atmosféricos asociados.
  • Análisis de la correlación entre los gradientes de SST corregidos y los impactos climáticos.

Principales resultados:

  • El gradiente SST tropical trans-equatorial del Atlántico, influenciado por forzamientos radiactivos (emisiones antropogénicas, aerosoles volcánicos), es un factor determinante de la actividad de los huracanes y las precipitaciones en el Sahel.
  • Los modelos CMIP6 sobreestiman las tendencias de calentamiento del hemisferio norte, oscureciendo la relación SST-clima.
  • La corrección de los sesgos del modelo revela correlaciones sólidas entre los gradientes de SST y los impactos climáticos, particularmente desde 1950.

Conclusiones:

  • El gradiente SST tropical del Atlántico es un factor más crítico de los impactos climáticos tropicales que las SST más amplias del Atlántico Norte.
  • El forzamiento radiativo, incluidas las emisiones antropogénicas y el vulcanismo, puede predecir la actividad de los huracanes en el Atlántico y las variaciones de las precipitaciones en el Sahel.
  • La precisión de las predicciones futuras está limitada por la paradoja señal-ruido y las incertidumbres en los forzamientos climáticos futuros.