Tulane Physical Geology Laboratory -INSTRUCTOR: E. GONZALEZ

Last Updated September 21, 2003

 

FLUVIAL PROCESSES  -OUTLINE

LABORATORY ELEVEN –STREAM PROCESSES, LANDSCAPES, MASS WASTAGE AND FLOOD HAZARDS.

Laboratory Manual in Physical Geology by The American Geological Institute (AGI) and the National Association of Geoscience Teachers (NAGT); Richard M. Busch, Editor; 6th Edition, 2003.

 

STREAM PROCESSES AND LANDSCAPES

                        SHEETFLOW

                        STREAM DRAINAGE SYSTEM

                                    UPLAND STREAMS (in HEADWATERS)

                                    TRIBUTARY STREAMS

                                    MAIN STREAM OR RIVER

                                    LAKES OR OCEAN (BASE LEVEL or MOUTH)

 

            STREAM DRAINAGE PATTERNS

            DENDRITIC              RECTANGULAR                   RADIAL                     CENTRIPETAL

            ANNULAR                 TRELLIS                                DERANGED

 

DRAINAGE BASINS AND DIVIDES

            DRAINAGE BASIN

            DRAINAGE DIVIDE

                        CONTINENTAL DIVIDE

 

WEATHERING, TRANSPORTATION, and DEPOSITION

            WEATHERING

            TRANSPORTATION

            DEPOSITION

   HEADWARD EROSION

   DIFFERENTIAL EROSION

 

 

RIVER VALLEY FORMS AND PROCESSES

GEOLOGY

                        GRADIENT

                        DISCHARGE

                        LOAD

  FLOODPLAIN

  MEANDERING RIVERS

  CUTBANKS

  POINT BARS

  TERRACES

  DELTA

  ALLUVIAL FANS

  BRAIDED (ANASTOMOSING) CHANNEL

 

           

MASS WASTAGE

            STEEP SLOPES

 

FLOOD HAZARD, MAPPING, ASSESMENT AND RISKS

            GAGING STATIONS

                        GAGE STAGE

                                    NORMAL

                                    BANKFULL

                                    FLOOD