GDACS services aim at facilitating near real-time alerts, and information exchange among all actors in support of decision-making and coordination. GDACS services build on the collective knowledge of disaster managers worldwide and the joint capacity of all relevant disaster information systems.

为支持决策和协调，全球灾难预警协调机制（GDACS）应在各方之间促进实时预警和信息交换。GDACS系统建立在全球灾害管理人员已有的知识，以及所有相关灾害信息系统构成的联合能力之上。