Sentence examples for a substantial river from inspiring English sources

To the northwest the River Colne and the River Crane join the Thames at Staines and at Isleworth, respectively; to the northeast the Lea, a substantial river draining much of Hertfordshire, enters the Thames just beyond the Isle of Dogs at Blackwall; and the River Roding merges into it about 4 miles (6 km) downstream at Barking.

With the Messinian and early Pliocene transgressions the wet phase ameliorated but a substantial river system still crossed central North Africa.

It is a substantial river, and it swiftly became a lake.

There was a strong river smell here.

Among the substantial rivers that have watersheds that penetrate the Sierra Madre Oriental are the Moctezuma and Pánuco, the combined drainage system of which has captured a considerable area of the central plateau.

The increase in concentrations at low streamflows during all seasons is a strong indication that increasing nitrate concentrations in groundwater are having a substantial effect on river concentrations in the basin.

He launched this operation late on 4 July and, by the early hours of the next day, he had managed to get a substantial force across the river.

There are also a substantial number of ephemeral rivers that flow during the wet summer season in addition to point water sources such as springs, pans and artificially pumped water points [58].

About 5 percent is peat bog, a substantial portion is marshland, and the river valleys are floodplains.

Helped by a substantial clean-up of England's rivers, which brought back fish to many once-polluted watercourses, and by legal protection, otters began to spread back eastwards into England from their strongholds in Devon and in areas of the Welsh borders, such as the Wye Valley.

The analysis of a case study shows how the complex topographic structure is the direct cause of a substantial spatial variability of the aquifer-river exchange.