Constructing the digital ark: How China utilizes shared media to foster online information collaboration and crisis management in public emergency response

With the prevalence of collaborative editing tools, such as shared documents, a digital rescue platform functionality has emerged to address major unforeseen events, displaying notable selforganizing characteristics. This study examines the transformative role of sharing technologies in crisis communication, using documents from the 2021 Zhengzhou flood and adopting an actornetwork theory perspective. Investigating how sharing technology influences situational information, the findings highlight its creation of a real -time, collaborative, and detailed crisis information environment, fostering self-rescue initiatives and positive emotional support. The shift from a closed situational information pool to a dynamic digital network underscores the evolving landscape of crisis communication in the digital age. Self-negotiation and self-restraint mechanisms mitigate rumor transmission, providing robust information support for subsequent rescue efforts. This research contributes valuable insights into the intricate dynamics of sharing technologies in crisis communication.