In addition to the internal variability of the global climate system itself, there is the added factor of external influences, such as volcanoes and solar activity.

除了全球气候系统本身的内部变化之外，还有外部影响的附加因素，如火山和太阳活动。

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We also know that the global climate system is immensely complicated and that everything is in some way connected, and so the system is capable of fluctuating in unexpected ways.

我们还知道，全球气候系统极其复杂，一切都以某种方式联系在一起，因此，这个系统能够以意想不到的方式波动。

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Clouds play an important role in the global climate system.

云在全球气候系统中扮演着举足轻重的角色。

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As such, they form an essential component of marine observing systems established as part of the World Weather Watch, the World Climate Research Programme, the Global Ocean Observing System, the Global Climate Observing System and other meteorological and oceanographic operational and research programmes.

UNESCO: THEMES

The Global Ocean Observing System (GOOS) also contributes directly to the actions under the UN Framework Convention for Climate Change as the ocean component of the Global Climate Observation System (GCOS).

UNESCO: MEDIA SERVICES

More than 2000 deployments per year are required to maintain the two global arrays, which are an essential part of the Global Climate Observing System, providing crucial data for weather forecasts and information on the heat content of the oceans.

UNESCO: Post-Conflict and Post-Disaster Responses