"network of rivers" is correct and can be used in written English.
It can be used to refer to a connected system of rivers, usually when discussing the physical geography or ecology of a certain area. For example, "The Appalachian Mountains have an extensive network of rivers that span across several states."
The delta comprises a network of rivers and canals straddling Bangladesh and India.
The potential impact of neo-Castorization on sediment transport by the global network of rivers.
There is an intricate network of rivers and canals, lakes and ponds, all protected from floods by dikes.
Ferry accidents occur with a grim frequency in Bangladesh, a poor nation with an extensive network of rivers and waterways.
With more than 2,000 lakes connected by a network of rivers and canals, it's like the Norfolk Broads on steroids.
We saw a mountainous landscape with a network of rivers leading down to what looked like a sea with coastal islands," said Parker.
Its surface is a hilly plain, with an average elevation of 482 feet (147 metres), cut by a deep network of river valleys, ravines, and gullies.
Covering an area of about 1,500 square miles (3,900 square km) in southeastern Guangdong province, the delta is a complex network of river branches and channels divided by islands of alluvial soil and by hills that were once coastal islands.
A network of river ports, container ports, airports and highways has grown at a staggering rate (see map).Much of the delta today resembles Taiwan a generation ago, says Arthur Kroeber, an editor of the China Economic Quarterly, a research publication.
The open-channel system considered is made of a network of river reaches controlled by two dams located upstream, one large dam far upstream, and one closer but smaller.
Using new and existing data plus statistical models, the researchers are clarifying how much pumping is going on, how it's affecting energy use and food productivity, and where and why it's happening in this region—home of the world's largest contiguous network of river-fed irrigation canals.
