 In the tropics, the temperature of the surface layers can rise to over while near the poles the temperature in equilibrium with the sea ice is about .
<meaning-changed>  In the tropics, the temperature of the surface layers can rise to over while near the poles the temperature in equilibrium with the sea ice is about .
 In the tropics, the temperature of the surface layers can rise to over . Near the poles, where sea ice forms, the temperature in equilibrium with the sea ice is about .