The water level can rise substantially without a significant increase in overall area.

The population in the world has risen substantially since 1970 and there is an increase of 90 million each year.

The fact is that demand for energy will probably continue to rise substantially.

Oil prices have risen substantially over the last few weeks.

Energy prices rose substantially for the third month in a row.

While food production rose substantially after 1949, population increases were nearly as great until the 1980s.

He said collections would rise substantially, probably to more than $1 million.

The amount of such mail has risen substantially in the last two years, they said.

But their incomes may have risen substantially in the 80's.

If the merged company were to buy that as well, the value of the deal would rise substantially.