Disturbances of Temperature-Depth Profiles by Surface Warming and Groundwater Flow Convection in Kumamoto Plain, Japan

Table 3

Changes in twice-repeated temperature measurements.

	Well number	Type	Temperature change
			Shallow aquifer (above 40 m)	Deep aquifer (below 40 m)
Measured in 1987 and 2012	8	Recharge	Increase	Steady
	14	Recharge	Increase	Increase
	25	Discharge	Increase	Steady
	5	Recharge	Increase	Increase
	7	Recharge	Increase	Increase
	12	Recharge	/	Increase
Measured in 2001 and 2012	15	Intermediate	Increase	Steady
	17	Recharge	Increase	Increase
	18	Recharge	Increase	Steady
	20	Discharge	/	Decrease
	21	Discharge	Increase	Steady
	22	Discharge	Increase	Decrease
	26	Intermediate	Increase	Steady