With the impact of global warming, extreme weather and climate events occur more frequently in china, and the risks of natural disasters such as high temperature, floods, droughts and geological disasters also increase further. Tianjin city adjoins beijing city,the capital of china.the emergency management of unexpected disasters is very onerous in tianjin city because of its unique geographical location and natural geographical features.therefore,takingone plan and three systemsas the core,the paper explores a series of effective measures in reponse to potential. This policy brief outlines the emergency management system by the china government Analyzes its strengths and weaknesses, and recommends improvements options. To elucidate the progress and dynamics of disaster relief emergency planning in china over the past eight years, and to facilitate the interpretation of the formulation and revision processes. In the context of escalating extreme rainstorm events linked to global climate change, the ums confront a growing risk of flood inundation
Using the central urban area of tianjin as an example, the infoworks icm hydrological model was utilized to simulate inundation extents and depths in the study area for four selected rainstorm return periods.
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