Rivers Flashcards
What is Hard Rock in Geography?
This rock is resistant so over time a ledge, or overhang, develops
What is Waterfall in Geography?
Where the water tumbles over the ledge
What is Soft Rock in Geography?
This rock is easier to erode
What is Gorge in Geography?
The waterfall retreats(cuts back) up the valley as the waterfall continues to erode backwards
What is Fallen Rock in Geography?
When the overhang collapses, it falls into the Plunge Pool
What is a Hydrograph?
A hydrograph shows two graphs - a bar chart showing rainfall, usually from a storm and a line graph showing discharge from before, during and after the rain storm shown in the bar graph. Basically, a hydrograph shows you the ways in which a river is affected by a storm.