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Deep in the turbulent waters off the Greenland coast, a sophisticated yellow robotic probe descends into the depths. This device, known as an Argo float, is roughly the size of a human and is equipped with advanced sensors designed to gather environmental data. Operating without a crew or steering mechanism, the probe drifts freely with the ocean currents, recording essential measurements such as temperature, salinity, and pressure.

The float represents just one part of an extensive international initiative aimed at solving a critical climate mystery. Each time the device returns to the ocean’s surface, it transmits its findings via satellite. This continuous cycle of diving and measuring allows researchers to monitor the Atlantic Meridional Overturning Circulation, or the AMOC. The AMOC functions effectively like a massive conveyor belt, transporting warm water from tropical regions toward the Arctic, while simultaneously returning colder water south through the deep ocean.

Scientific concern regarding this system is growing. While most experts concur that the AMOC will likely weaken as global temperatures rise, there is significant debate concerning the pace of this decline. A sudden slowdown in the current could trigger unprecedented extreme weather events. For residents of the United Kingdom and North-West Europe, the stakes are particularly high. The climate in these areas depends heavily on the heat released by the Atlantic Ocean into the atmosphere. This energy flow helps determine local wind patterns and pressure systems.

Should these ocean currents be disrupted, the environmental consequences could be paradoxical. For instance, even as the planet’s average temperature continues to increase, regions like the UK might suffer from significantly colder and harsher winters. The data collected by robotic probes in the North Atlantic is currently the most reliable tool for forecasting these shifts. By observing the complex relationship between the sea and the atmosphere, scientists aim to better understand the long-term environmental risks. This research serves as a stark reminder that the Earth is an intricate, interconnected system where deep-sea changes can directly impact the weather on land.

1. What is the primary purpose of the robotic probes mentioned in the text?

• A.To transport warm water to the Arctic.
• B.To steer ocean currents away from the coast of Greenland.
• C.To collect data for studying global climate patterns.
• D.To replace human crews in dangerous stormy waters.

2. How does an Argo float send information to researchers?

• A.It uses a steering mechanism to return to a base.
• B.It sends data through satellite links when it surfaces.
• C.It transmits signals continuously from the deep ocean floor.
• D.It is collected by ships after its mission is complete.

3. What can be inferred about the climate of North-West Europe?

• A.It is naturally colder than other regions at the same latitude.
• B.It is heavily reliant on the movement of water in the Atlantic.
• C.It will definitely get warmer as the AMOC slows down.
• D.It is independent of global temperature changes.

4. According to the article, what do most experts disagree on?

• A.Whether the AMOC will eventually weaken.
• B.The temperature of the water moving towards the Arctic.
• C.The exact location where the robotic probes should be placed.
• D.The speed at which the ocean circulation change is occurring.

5. In the fourth paragraph, the word ‘disrupted’ is closest in meaning to:

• A.improved
• B.interrupted
• C.calculated
• D.maintained