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Define:
HYDROLOGICAL or
WATER CYCLE
Define:
CLOSED SYSTEM
Define:
OPEN SYSTEM
Define:
STORES
Define:
TRANSFERS (flows)
Water stored in the ATMOSPHERE...
Water stored in the LAND...
Water stored in the SEA...
Define:
EVAPORATION
Define:
TRANSPIRATION
Define:
INPUTS
Define:
OUTPUTS
Define:
EVAPOTRANSPIRATION
Define:
INFILTRATION
Define:
THROUGHFLOW
Define:
PERCOLATION
Define:
GROUNDWATER
Define:
SURFACE RUNOFF /
OVERLAND FLOW
Define:
WATER TABLE
Define:
DRAINAGE BASIN (catchment area)
Define:
WATERSHED
A drainage basin... drainage basin cycle
Drainage basin, open system...
Formula:
DRAINAGE DENSITY
Where is the Earth's water?
Example of Inputs
Examples of Outputs
Examples of Transfers (flows)
Examples of Stores
Define:
CATCHMENT AREA
Define:
SOURCE
Define:
MOUTH
Define:
CONFLUENCE
Define:
TRIBUTARY
Define:
ESTUARY
Define:
DISCHARGE
Define:
the DRAINAGE NETWORK
Factors affecting run off:
(EIG p5 fig 1.5)
Runoff in woodland area
Runoff in urban area
a typical drainage basin system
(WW p279 fig 17.4)
Define:
VELOCITY
Define:
VOLUME
Define:
HYDROGRAPH
A flood or storm hydrograph shows...
Define:
LAG TIME
Lag time and chances of flooding
labelled diagram of a flood/storm hydrograph
(WW p280 fig 17.5)
basic features of the drainage basin
(EIG p4 fig 1.4)
Factors affecting the shape of a steep flood hydrograph
(WW p281 fig 17.7)
Factors affecting the shape of a steep flood hydrograph (WW p281 fig 17.7)
Factors affecting the gentle shape of a flood hydrograph
(WW p281 fig 17.7)
Factors affecting the gentle shape of a flood hydrograph (WW p281 fig 17.7)
Causes of river flooding from weather
Factors contributing to flooding
Define:
RIVER REGIME
Define:
BASE FLOW
Define:
STORM FLOW
Factors affecting the critical time lag of a storm:
Factors affecting the critical time lag of a storm:
Factors affecting the critical time lag of a storm:
Factors affecting the critical time lag of a storm:
Factors affecting the critical time lag of a storm:
Factors affecting the critical time lag of a storm:
Define:
WETTED PERIMETER
Friction at the wetted perimeter in an upland stream
Friction at the wetted perimeter in a lowland river
River and shaping landforms
Define:
LOAD
Picking up load in a river
Processes of Transportation:
Define:
TRACTION
Define:
SALTATION
Define:
SUSPENSION
Define:
SOLUTION
