Hydrology literally means the study of water. This involves measuring and observing everything from rainfall to the chemical makeup of rivers. Hydrology can then provide information on floods, droughts, drinking water, erosion, and weather modelling.

Water cycles have evolved over long periods of time to deal with environmental pressures. They are not, however, adapted to deal with new threats such as climate change, population growth, pollution and land-use change. It is difficult to tell just how these pressures will affect complex water systems and the biodiversity that relies on them. 

CEH work on hydrology


Monitoring sites

Research Facilities

Thames flooding at Wallingford
Produces forecasts of river level and flow in real-time and provides tools for off-line use
Weather radar providing flood warnings based on estimated rainfall
map of UK river flows for November 2014
2014 on its way to being the warmest year on record
The Opera House in Lille, the capital of French Flanders
UK and France come together in Lille for international conference
Ganges near Haridwar. Photo: Mike Acreman
CEH goes to India to discuss local water resources
Clatto reservoir on a sunny day
Providing the evidence for water managers to implement lake restoration programmes
River flows October 2014: green and blue are in the normal range and above
Seven times more rain than in September
Himachal Pradesh, India. Photo - Shutterstock
Coordinating UK input to international hydrological programmes
Prof Alan Jenkins, CEH and Prof Zhang Canming, ASEM after signing the Memorandum of Understanding
Collaboration for further research on lake modelling, management and restoration
The macrophyte, Potamogeton perfoliatus, under the water surface  in Loch Leven
Research will help predict lakes' responses to future changes
High Cloud Photo: Richard Howells CEH
Atmospheric aerosols partially offset global warming