Shadowing Practice: Understanding Global Atmospheric Circulation - Learn English Speaking with Video

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Why is it that some parts of the world are warmer than others,
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even when they are approximately the same distance from the equator?
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For example, in the Scilly Isles that lie off the coast of Cornwall in southwest England,
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January temperatures are generally very mild.
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Frosts are extremely rare and snow even more so.
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Average daytime temperatures are about 10 degrees Celsius and nighttime about 5.
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Yet cross the Atlantic to the city of St John's in Newfoundland,
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Canada, and the situation is very different.
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In January there's an average 18 days of snow cover,
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and minimum temperatures at night average minus 9 degrees.
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That's a 14 degree difference between those two locations,
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even though they are at a similar latitude.
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One important factor is the Gulf Stream,
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a warm stream of surface water that circulates around the Atlantic Ocean.
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The North Atlantic Drift is an offshoot that circulates warm water around the Scillies,
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so the sea surface temperature almost never falls below 11 degrees in winter.
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In St John's at the same time,
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the sea temperature is 0.5 degrees.
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The Gulf Stream is partly caused by the circulation of ocean waters,
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but is mainly driven by winds.
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The Earth's climate, ocean currents and global atmospheric circulation or large-scale winds are interconnected.
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At any one time there are many different weather systems creating localised conditions around the globe.
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While storms are raging in the North Atlantic in February,
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in the Southern Hemisphere, Central Australia can be suffering intense heat,
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and heavy tropical rains might be falling in the Amazon rainforests.
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The global circulation model explains the Earth's atmospheric circulation.
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Heating and cooling effects around the globe are driven by wind.
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The starting point of this model is heat from the sun.
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Energy from the sun is shortwave light radiation and not actually heat.
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The heat we feel comes from light absorbed on the Earth's surface,
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which is converted into longwave radiation that we feel as heat.
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So on a warm day,
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the heat we feel comes from the Earth's surface heating the air around it.
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Our location on Earth plays a major part in determining the amount of heat we feel.
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In the Sahara, during the hottest months,
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air temperatures can rise above 50 degrees Celsius.
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Over the course of one year,
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the intensity of solar radiation,
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or insulation, is greatest over the equator because the sun is directly overhead.
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At the polar caps, the sun hits the Earth's surface at a much lower angle,
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so the same amount of energy is spread over a much larger area,
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which means it's cooler.
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Polar ice sheets also reflect most of the sunlight that does reach the surface.
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There is an excess of heat at the equator and a deficit at the poles.
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Context & Background

The video titled "Understanding Global Atmospheric Circulation" presents fascinating insights into how and why different geographical locations experience varying climates, despite their proximity to the equator. The speaker delves into the role of ocean currents, particularly the Gulf Stream, and how wind patterns significantly influence weather conditions around the globe. By exploring real-world examples, such as the contrasting winter climates of the Scilly Isles and St. John's in Newfoundland, viewers gain a deeper understanding of the mechanisms that drive global weather systems. This information is crucial for learners who aim to enhance their English speaking skills in scientific discussions, as the topic combines environmental science with intricate language structures.

Top 5 Phrases for Daily Communication

  • “The average temperature varies…” - A useful phrase to discuss climate differences.
  • “This phenomenon is driven by…” - Ideal for explaining causes of weather patterns.
  • “In contrast to…” - Effective for making comparisons between different locations.
  • “One important factor is…” - Helpful for emphasizing crucial elements in any discussion.
  • “The Earth's climate is interconnected…” - Great for expressing ideas about global relationships and systems.

Step-by-step Shadowing Guide

To effectively improve your English speaking skills using the shadowing technique, follow this step-by-step guide tailored for the content of the video:

  1. Watch and Listen: First, watch the video without any distractions, focusing on the speaker's intonation and pronunciation.
  2. Break it Down: Divide the transcript into manageable sections. This makes it easier to grasp complex phrases and concepts.
  3. Repeat Immediately: Play a short segment and pause. Try to repeat the speaker’s words as closely as possible, matching their rhythm and flow. This is crucial for effective shadow speech.
  4. Use a Shadowing App: Consider utilizing a shadowing app that allows you to record your voice. This provides a way to track your progress and pinpoint areas for improvement.
  5. Practice Regularly: Consistency is key. Set aside time each week for focused english speaking practice using the phrases you’ve learned, ensuring they become a part of your everyday vocabulary.

Engaging with the material actively not only enhances your knowledge of climatic phenomena but also solidifies your command of the language, making it easier to discuss complex subjects fluently.

¿Qué es la Técnica de Shadowing?

Shadowing es una técnica de aprendizaje de idiomas respaldada por la ciencia, desarrollada originalmente para la formación de intérpretes profesionales y popularizada por el políglota Dr. Alexander Arguelles. El método es simple pero poderoso: escuchas audio en inglés nativo y lo repites en voz alta de inmediato, como una sombra que sigue al hablante con solo 1-2 segundos de retraso. A diferencia de la escucha pasiva o los ejercicios de gramática, el shadowing obliga a tu cerebro y músculos de la boca a procesar y reproducir simultáneamente patrones de habla reales. Las investigaciones muestran que mejora significativamente la precisión de la pronunciación, la entonación, el ritmo, el habla conectada, la comprensión auditiva y la fluidez al hablar, convirtiéndola en una de las metodologías más efectivas para la preparación del IELTS Speaking y la comunicación en inglés en el mundo real.

Técnica de shadowing: lee la guía completa paso a paso →