What is the function of Ground Stops (GS) in air traffic management?

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Ground Stops (GS) serve the crucial function of halting all aircraft movement on the ground at a specific airport until the Ground Stop is lifted. This action is typically implemented in response to various factors such as severe weather conditions, high traffic volumes, or other operational issues that could jeopardize safety. By ensuring that no aircraft can depart or taxi during a Ground Stop, air traffic management maintains safe and orderly operations, allowing controllers to manage the flow of traffic more effectively when the situation stabilizes.

In this context, the other options, while related to air traffic management, do not accurately define the primary purpose of a Ground Stop. For example, directing air traffic away from airports pertains to rerouting flights rather than stopping all movements at an airport. Managing departure clearances focuses on the authorization for individual departures, and controlling sequencing during arrival relates to the order in which aircraft approach and land but does not encompass the complete halt of operations that a Ground Stop enforces.