drainage basin

Over a half million people live in its drainage basin.

It is about long, with a drainage basin in area.

Their combined drainage basin is home to some 600 million people.

The drainage basin of the river is also fairly large.

The Sound is also a drainage basin for three major rivers.

Most of the land in the river's drainage basin is commercial forest.

In 2000, about six million people lived within the Columbia's drainage basin.

The Amazon has the largest drainage basin in the world.

The field is in fact a drainage basin for a large area of the township.

The dimensions of the drainage basin are shown in the map.

No at-risk species have been identified in the drainage basin.

Other than the short surface course of the river, the drainage basin includes groundwater only.

It has the largest drainage basin and the highest water discharge.

The lake's drainage basin has an area of about 1,120 km2.

The slope of the drainage basin is typically zero to two percent.

Many lakes in the Hudson drainage basin are also listed.

Drainage basins are important elements to consider also in ecology.

For similar reasons, sources differ over the size of the river's drainage basin.

The area of a river drainage basin is approximately 5424 km2.

Redwood trees control the rate of erosion within the drainage basin.

California has ten major drainage basins defined for convenience of water management.

AN old drainage basin doesn't seem like much of a place to set up a bird sanctuary.

It has a drainage basin of roughly 101 square miles (260 km).

It is within the drainage basin of the White Nile.

It is 253 km long, with a drainage basin of 6060 km2.