Robert W. Christopherson Tim Schultz Chapter 13 River Systems and Landforms
Copyright © 2009 Pearson Prentice Hall, Pearson Education, Inc. Review: Fluvial Processes Denudation refers to A.the loss of leaves from trees in the autumn. B.the removal of weathered material from landforms. C.any erosion process that leaves bare rock behind. D.processes performed only by large streams (rivers).
Copyright © 2009 Pearson Prentice Hall, Pearson Education, Inc. Review: Fluvial Processes Which of the following is incorrect regarding the concept of base level? A.A stream will not erode below base level. B.At base level, a stream will deposit alluvium. C.Base level is only a theoretical concept and cannot be directly observed. D.Base levels are represented by the sea or sometimes lakes, dams, or other local landforms.
Copyright © 2009 Pearson Prentice Hall, Pearson Education, Inc. Review: Drainage Landscapes Which feature is indicated by * in the diagram? A.drainage divide B.interfluve C.valley D.rill E.gully *
Copyright © 2009 Pearson Prentice Hall, Pearson Education, Inc. Review: Drainage Basins The drainage basin concept is important because drainage basins A.can cross political boundaries. B.are open systems where changes to one portion can affect the entire system. C.represent much of the potential water resources for a region. D.all of the above E.none of the above
Copyright © 2009 Pearson Prentice Hall, Pearson Education, Inc. Review: Drainage Landscapes Which drainage pattern is shown in the diagram? A.annular B.radial C.dendritic D.parallel E.trellis
Copyright © 2009 Pearson Prentice Hall, Pearson Education, Inc. Review: Streamflow Characteristics Which of the following does not increase with increasing discharge? A.channel width B.channel depth C.stream velocity D.braiding
Copyright © 2009 Pearson Prentice Hall, Pearson Education, Inc. Review: Flow and Channel Characteristics Which of the following is the best description of why a river forms a meandering channel? A.The current moves the fastest on the outside of corners. B.Erosion and deposition are both occurring. C.The amount of material is greater than the stream’s capacity to transport. D.The stream has a graded profile. E.all of the above
Copyright © 2009 Pearson Prentice Hall, Pearson Education, Inc. Review: Stream Landforms Which of the following is not a depositional landform? A.floodplain B.natural levee C.nickpoint D.delta
Copyright © 2009 Pearson Prentice Hall, Pearson Education, Inc. What do you think?: Floodplains How should planners treat floodplains in the future? A.New construction and reconstruction should not be allowed on floodplains but existing structures should be preserved. B.Reconstruction and new construction should be allowed and levees should be built higher and stronger. C.Allow construction but require floodplain management including bypass channels. D.Planners should not concern themselves with whether land is a floodplain or not.