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Heat flow is inevitably accompanied by temperature change,thus,the water temperature coseismic response during earthquake activity should also obey the laws of thermodynamics.Taking the M S8.0 Wenchuan,Sichuan,China earthquake and the M9.0Tohoku,Japan earthquake as an example,and based on the data of water temperature coseismic responses observed in well ZK26 in Haikou,Hainan Province,China,we investigate the relationship between well water temperature change and heat transfer in the coseismic response process and the relevant thermodynamic mechanism by using the numerical simulation method for thermodynamic equations.Then,through forward modeling,we obtain several simulation curves of water temperature change in response to earthquakes along the well depth at different times.The simulated curves of water temperature change approximately fit the observed curves.Consequently,based on the variation of temperature,we find that the modes of well water temperature coseismic response( ascending,descending or stable) are related to factors such as the location of sensors,distribution and location of heat sources,the span between sensors and heat sources.
Heat flow is inevitably accompanied by temperature change, thus, the water temperature coseismic response during earthquake activity should also obey the laws of thermodynamics .aking the M S8.0 Wenchuan, Sichuan, China earthquake and the M9.0Tohoku, Japan earthquake as an example , and based on the data of water temperature coseismic responses observed in well ZK26 in Haikou, Hainan Province, China, we investigate the relationship between well water temperature change and heat transfer in the coseismic response process and the relevant thermodynamic mechanism by using the numerical simulation method for thermodynamic equations. Chen, through forward modeling, we obtain several simulation curves of water temperature change in response to earthquakes along the well depth at different times. The simulated curves of water temperature change approximately fit the observed curves. Conclusion, based on the variation of temperature, we find that the modes of well water temperature coseismic response (ascend ing, descending or stable) are related to factors such as the location of sensors, distribution and location of heat sources, the span between sensors and heat sources.