The Hydrological Cycle (unfinished)

What physical conditions would you typically find in the Upper Reaches of a river systems

-High gradient (bedslope)

-Small (sub)catchment area/streams

-Turbulent flow so high erosion

-Relatively high rainfall and low temperatures

What chemical conditions would you typically find in the Upper Reaches of a river systems

What biological conditions would you typically find in the Upper Reaches of a river systems

What physical conditions would you typically find in the Upper Middle Reaches of a river systems

-Less steep gradient

-Less erosive as lower turbulent flow

-More flow from larger upstream catchment area

-Smallish but larger streams

What chemical conditions would you typically find in the Upper Middle Reaches of a river systems

What biological conditions would you typically find in the Upper Middle Reaches of a river systems

What physical conditions would you typically find in the Lower Middle Reaches of a river systems

-Relatively low gradient

-Much less turbulence and erosion, some deposition occurs as water slows

-More flow from a larger upstream catchment area

-Larger streams/small rivers

What chemical conditions would you typically find in the Lower Middle Reaches of a river systems

What biological conditions would you typically find in the Lower Middle Reaches of a river systems

What physical conditions would you typically find in the Lower Reaches of a river systems

-Low gradient

-Low levels of turbulence, deposition (floodplain)

-Much more flow from a large upstream catchment area

-Larger rivers

What chemical conditions would you typically find in the Lower Reaches of a river systems

What biological conditions would you typically find in the Lower Reaches of a river systems