Fluvial Landscapes

What is a fluvial landscape?

• A landform shaped by the dissolving action of water on rocks such as limestone

• A landscape formed by the action of rivers and streams

____________ - rocks carried by the river scrape along the bed and banks. It loosens the material, which is then carried away by the flow of the water.

Plain where river meets the see. Composed of sediments deposited by a river at its mouth.

Which of the following landforms are created by erosion?

• Waterfalls

• Rapids

• Meanders

• Oxbow lakes

• Gorges

What is/are the main agent(s) of fluvial landscapes?

• Water

• Wind

• Gravity

• Glacier

What is saltation?

• Dissolved minerals are carried by the river.

• Fine material such as clay and sediment is carried by the river.

• Large boulders and pebbles are rolled along the river bed.

• Small stones, pebble and silt bounces along the river bed.

River profile consists of three parts: The upper course, middle, and lower course. In the upper course, erosion is dominant, and the slope is ______. It is where most of the __________ and gorges occur.

Middle course has ______ slope than the upper course, but ______ than the lower course. The lower course is the area that is affected the most by ___________. It often consists of wide floodplains and deltas.

• Steep, deltas, gentler, steeper, erosion

• Gentle, oxbow lakes, steeper, gentler, transportation

• Steep, oxbow lakes, gentler, steeper, deposition

• Steep, waterfalls, gentler, steeper, deposition

• Gentle, floodplains, steeper, gentler, deposition