Prediction of Hypothermia and Survival Time for Immersed Victims in Korean Waters

Predicting the survival time of immersed victims is essential for allocating rescue personnel and resources. In this study, various models and correlation equations were employed to predict the survival time of immersed victims, with analyses conducted to reflect the characteristics of Korean waters. Using a physiological response model to predict core temperature, hypothermia and survival time, the survival time for a fat body type was predicted to be approximately four times longer than that for a lean body type. In addition, results based on statistically derived correlation equations indicated an approximately sixfold difference in survival time depending on whether a personal flotation device (PFD) was worn. The water temperature also varied considerably by area and season across Korean waters, leading to correspondingly different predicted survival times. Therefore, rescue manuals should be established to reflect the specific conditions of each sea area.