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The products of chalk weathering are dissolved in rainwater and are transported in stream flow. Chalk streams transport little suspended material (unlike most rivers), but are considered "mineral-rich" due to the dissolved calcium and carbonate ions. The surface water of chalk streams is commonly described as "gin clear".
The River Chess is a chalk stream that rises near Chesham in the Chiltern Hills, and flows for 11 miles (18 km) through Buckinghamshire and Hertfordshire to its confluence with the River Colne in Rickmansworth. The Chess, along with the Colne and Gade, gives rise to the name of the district of Three Rivers.
The river rises at Mead End near Bowerchalke and flows 1.2 miles north through the Chalke Valley to join the Ebble at Mount Sorrel, just upstream of Broad Chalke. It provides a steady, year-round flow of water; above the junction the Ebble is a winterbourne. A typical chalk stream, the Chalke is noted for its brown trout and fish farms.
About 85% of the world’s chalk streams are found in England, of which more than three quarters are not in good health, according to a report by the Worldwide Fund For Nature.
The Nailbourne near Bishopsbourne on 22 July 2006. Even when there is no water in the stream it is still a haven for wildlife. The Little Stour starts at the springs near Well Chapel, Bekesbourne, after the watercress beds the Nailbourne joins the Little Stour (when it is running) and then joins with the Great Stour at Plucks Gutter near West Stourmouth.
The River Test is a chalk stream in Hampshire in the south of England. It rises at Ashe near Basingstoke and flows southwards for 40 miles (64 km) to Southampton Water. Settlements on the Test include the towns of Stockbridge and Romsey. The river's valley gives its name to the local government district of Test Valley.
The state of the upper Beane resulted in calls for the river's restoration. [6] The management plan for the river includes the objective that there is adequate flow along the length of the river to support a ‘good status’ chalk stream ecology (as defined by the European Union's Water Framework Directive).
The River Dour is a chalk stream in the county of Kent, England. It flows from the villages of Temple Ewell and River between which is a neighbourhood served by a railway station, Kearsney. It is roughly 4 miles (6.4 km) long. It originally had a wide estuary on the site of modern Dover, although today it flows into the Dover Harbour through a ...