Jove
Visualize
Contáctanos

Videos de Conceptos Relacionados

Global Climate Change01:50

Global Climate Change

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.
What is Climate?01:16

What is Climate?

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.
Microbes and Climate Change01:27

Microbes and Climate Change

Microorganisms are pivotal agents in Earth's biogeochemical cycles, significantly influencing climate dynamics through their metabolic activities. These microbes modulate the levels of key greenhouse gases by both contributing to and helping mitigate climate change.Microbial Contributions to Greenhouse Gas EmissionsRising global temperatures accelerate microbial metabolism, which, in turn, speeds up the decomposition of organic matter. This process releases carbon dioxide (CO₂) through...
Temperature Dependent Deformation01:12

Temperature Dependent Deformation

In a nonhomogeneous rod made up of steel and brass, restrained at both ends and subjected to a temperature change, several steps are involved in calculating the stress and compressive load. Due to the problem's static indeterminacy, one end support is disconnected, allowing the rod to experience the temperature change freely. Next, an unknown force is applied at the free end, triggering deformations in the rod's steel and brass portions. These deformations are then calculated and added together...
Isochoric and Isobaric Processes01:21

Isochoric and Isobaric Processes

A thermodynamic process that occurs at constant volume is called an isochoric process. According to the first law of thermodynamics, heat supplied or removed from the system is partially utilized to perform work and change the internal energy of the system. However, in an isochoric process, the volume remains constant. Hence, the work done by the system is zero. Therefore, the exchange of heat changes the internal energy of the system only. 
Suppose 1000 g of water is heated from 40 degrees...
Influence of Earth's Curvature and Atmospheric Refraction on Leveling01:26

Influence of Earth's Curvature and Atmospheric Refraction on Leveling

During leveling, the Earth's curvature and atmospheric refraction introduce deviations in the line of sight from a true horizontal reference. When the line of sight is leveled, it remains perpendicular to the plumb line only at a single point. Beyond this, it deviates due to the Earth’s curvature, represented by the correction C. For a sight distance D, the deviation can be derived using the relationship:This relationship shows that the deviation increases quadratically with distance. Over a...

También podría leer

Artículos Relacionados

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

Ordenar por
Same author

Life and Liesegang: Outcrop-Scale Microbially Induced Diagenetic Structures and Geochemical Self-Organization Phenomena Produced by Oxidation of Reduced Iron.

Astrobiology·2015
Same author

Deep mantle structure as a reference frame for movements in and on the Earth.

Proceedings of the National Academy of Sciences of the United States of America·2014
Same author

Expanded spatial extent of the Medieval Climate Anomaly revealed in lake-sediment records across the boreal region in northwest Ontario.

Global change biology·2014
Same author

Positive alizarin red clumps in Milwaukee shoulder syndrome.

The Journal of rheumatology·2009
Same author

Rheumatoid neutrophilic dermatitis.

Journal of clinical rheumatology : practical reports on rheumatic & musculoskeletal diseases·2006
Same author

Large wind shift on the great plains during the medieval warm period.

Science (New York, N.Y.)·2006
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

Video Experimental Relacionado

Updated: Jul 9, 2026

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

Inconsistencias entre las reconstrucciones de Pangeo y los controles climáticos básicos.

Clinton M Rowe1, David B Loope, Robert J Oglesby

  • 1Department of Geosciences, University of Nebraska, Lincoln, NE 68588-0340, USA. crowe1@unl.edu

Science (New York, N.Y.)
|November 24, 2007
PubMed
Resumen

Datos paleomagnéticos para el Pangea.

Videos de Experimentos Relacionados

Last Updated: Jul 9, 2026

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

Área de la Ciencia:

  • Paleoclimatología Paleoclimatología
  • La paleogeografía es la paleogeografía.
  • La sedimentología sedimentológica.

Sus antecedentes:

  • El supercontinente Pangea existió desde el período Pérmico hasta el Jurásico.
  • Las reconstrucciones paleomagnéticas estiman la posición latitudinal de Pangea durante 100 millones de años.
  • Las areniscas eólicas en el suroeste de los Estados Unidos registran patrones de circulación atmosférica.

Objetivo del estudio:

  • Para conciliar las discrepancias entre las reconstrucciones paleomagnéticas y los datos de circulación atmosférica de Pangea.
  • Para investigar la exactitud de las estimaciones de latitud paleomagnética para Pangea durante el Jurásico Temprano.
  • Para entender los controles de los patrones de viento durante la existencia de Pangea.

Principales métodos:

  • Utilizando datos paleomagnéticos para reconstruir la posición de Pangea.
  • Analizar las formaciones de arenisca eólica para inferir las direcciones del viento en el pasado.
  • Comparando los patrones de viento inferidos con las estimaciones de latitud paleomagnética.

Principales resultados:

  • Los datos de circulación atmosférica sugieren vientos nororientales en el norte, que se curvan hacia el noroeste en el sur.
  • Este patrón de viento se alinea con Pangea a horcajadas del ecuador en el Permiano Temprano.
  • Los patrones de viento observados contradicen la deriva estimada hacia el norte de Pangea a 20 grados N en el Jurásico Temprano.

Conclusiones:

  • Existe una discrepancia significativa entre las reconstrucciones paleomagnéticas y la evidencia de circulación atmosférica para el Jurásico Temprano Pangea.
  • Las posibles explicaciones incluyen inexactitudes en los datos paleomagnéticos, mala interpretación de la formación de dunas, diferentes controles climáticos del Jurásico o reconstrucciones paleogeográficas insuficientes.
  • Se necesita más investigación para resolver estos conjuntos de datos contradictorios y modelar con precisión la paleogeografía y el clima de Pangea.