Answer
It cools the nearby air.
Work Step by Step
The water in the pond absorbs energy as solid ice melts to liquid water (see page 328, Figure 17.17). This energy comes from the surrounding air, lowering its temperature.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.