Upload
blaise-patterson
View
214
Download
1
Embed Size (px)
Citation preview
From Rain into Water
Peter EwinsChief ExecutiveMet Office
Met Office & water management
• Involved in Water management since the ‘40s
• Began operational forecasts of soil moisture and run-off on a monthly basis in the early ‘60s
• Now deliver assessment of ground water status every hour from our operational forecast system
MOSES
• Met Office Surface Exchange Scheme• Soil moisture data derived from radar
observations• Advanced scientific representation of processes• 5km spatial resolution• Updated hourly• Provides information on soil moisture status• Being assessed by Environment Agency for use in
producing flow prediction
MOSES
Soil moisture deficit from MOSES
Darcian flow of soil moisture
Deep drainage
Surface runoff
Evaporation frombare soil, trees,grass, crops,wet canopies etc.
Rain,Snow Radiation
Rootsextractwater
Urban drainage modelling
Risk based approach to urban drainage modelling
Global River Flow Change (%)
Produced by Southampton University in collaboration with the Met Office’s Hadley Centre
Rainfall increase
Projected heavy rainfall increase
UK rain radar coverage
1km coverage
(50km range)
2km coverage
(50km range)
5km coverage(250km range)
Storm Accumulations
0 10 20 30 40 50 60 70 80 90 100 mm
1km resolution 5km resolution
Future