North Atlantic ocean current is slowing down

北大西洋洋流正在減緩

更新於: 2026年6月16日 上午08:15

The Atlantic Meridional Overturning Circulation, or AMOC, is an essential ocean current that functions like a global conveyor belt.

大西洋經向翻轉環流(AMOC)是一種至關重要的洋流,其運作方式宛如全球輸送帶。

nounAtlantic Meridional Overturning Circulation
nounAMOC
adjectiveessential
nounocean

By moving warm, salty water from the tropics to the North Atlantic, it regulates temperatures, transports nutrients, and stabilizes global climate patterns.

它將熱水與鹹水從熱帶輸送至北大西洋,藉此調節溫度、運送養分並穩定全球氣候型態。

verbmove
verbregulate
nounclimate

However, recent scientific observations suggest this vital system is slowing down.

然而,近期科學觀測顯示,這個至關重要的系統正在減緩。

verbslow down

As climate change accelerates the melting of ice sheets, such as those in Greenland, vast amounts of fresh water flow into the North Atlantic.

隨著氣候變遷加速了格陵蘭島等地冰層的融化,大量淡水湧入北大西洋。

nounclimate
nounGreenland

A potential collapse of the AMOC could have severe global consequences, including regional cooling in Western Europe, erratic rainfall, and accelerated sea-level rise.

若AMOC潛在崩潰,可能會造成嚴重的全球後果,包括西歐地區冷卻、降雨型態異常以及海平面加速上升。

nounAMOC

While it remains a low-probability event, it is a critical topic that highlights the complex and fragile nature of our planet's climate systems.

雖然這仍屬於低概率事件,但這是一個關鍵議題,突顯了地球氣候系統複雜且脆弱的本質。

nounclimate
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文章閱讀結束

你閱讀了 6 句重點內容。

挑戰模式

閱讀理解

What is the primary function of the AMOC?

正確答案

It acts as a global conveyor belt for heat, nutrients, and carbon.

How does ice melt contribute to the slowing of the AMOC?

正確答案

It adds fresh water, which lowers the water's density and prevents it from sinking.

What is the 'Cold Blob'?

正確答案

A region of the North Atlantic that has cooled, serving as an indicator of reduced heat transport.

Why is there scientific controversy regarding the AMOC?

正確答案

Experts disagree on whether the slowdown is caused by human-driven climate change or natural variability.

What could be a potential consequence of an AMOC collapse?

正確答案

Significant regional cooling in Western Europe and disrupted tropical rainfall.

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