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The first segment of a stream is a 1st order stream. When two 1st order streams merge the next segment becomes a 2nd order stream. When two 2nd order streams merge it becomes a 3rd order stream...

The first segment of a stream is a 1st order stream. When two 1st order streams merge the next segment becomes a 2nd order stream. When two 2nd order streams merge it becomes a 3rd order stream...

The first segment of a stream is a 1st order stream. When two 1st order streams merge the next segment becomes a 2nd order stream. When two 2nd order streams merge it becomes a 3rd order stream...

The first segment of a stream is a 1st order stream. When two 1st order streams merge the next segment becomes a 2nd order stream. When two 2nd order streams merge it becomes a 3rd order stream...

The first segment of a stream is a 1st order stream. When two 1st order streams merge the next segment becomes a 2nd order stream. When two 2nd order streams merge it becomes a 3rd order stream...

The first segment of a stream is a 1st order stream. When two 1st order streams merge the next segment becomes a 2nd order stream. When two 2nd order streams merge it becomes a 3rd order stream...

The first segment of a stream is a 1st order stream. When two 1st order streams merge the next segment becomes a 2nd order stream. When two 2nd order streams merge it becomes a 3rd order stream...

The first segment of a stream is a 1st order stream. When two 1st order streams merge the next segment becomes a 2nd order stream. When two 2nd order streams merge it becomes a 3rd order stream...

The first segment of a stream is a 1st order stream. When two 1st order streams merge the next segment becomes a 2nd order stream. When two 2nd order streams merge it becomes a 3rd order stream...

Please note: this data is currently produced for areas where our Flood Zones datasets are based on national modelling. Areas where depth data is currently unavailable in this dataset are indicated...

These data are cellulolytic decomposition in eight Welsh upland rivers with contrasting land-use, moorland and exotic conifer, in response to riparian deciduous leaf addition. Eight sampling...

River water alkalinity, chloride-ion, conductivity, pH and nutrients data from the Frome Piddle; Pang Lambourn and Tern catchments, recorded between 2003 and 2006. River water samples were...

PLEASE NOTE: This dataset has now been retired. It was last updated on 02/11/2022 and has been replaced by the Spatial Flood Defences (inc. standardised attributes) dataset. This is a more...

This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used...

This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used...

This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used...

This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used...

This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used...

This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used...

This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used...