Provide your best answer for the following question. Give ONLY the answer, no other words or explanation.
For example:

Answer: <most likely answer, as short as possible; not a complete sentence, just the answer!>.

The question is: In some dry areas, large amounts of water have been pumped from underground sources where water has been naturally stored for thousands of years. If the water is not replaced, what type of land feature is most likely to result?
desert
Desertification.