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WIND

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WIND

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  1. WIND Chapter 6 Test 3 material End

  2. EOLIAN • EQUALS WIND EROSION + WIND TRANSPORT + WIND DEPOSITION

  3. EROSIONAL CAPACITY OF WIND • ABILITY FOR WIND TO MOVE MATERIALS IS SMALL COMPARED TO ICE (GLACIERS) & WATER (RIVERS)

  4. DEFLATION • THE REMOVAL AND LIFTING OF INDIVIDUAL LOOSE PARTICLES • DESERT PAVEMENT

  5. BLOWOUT DEPRESSIONS • RANGE IN SIZE FROM A FEW FEET DEEP AND A FEW FEET ACROSS TO 150 FEET DEEP AND SEVERAL MILES ACROSS

  6. ABRASION • PARTICLES PICKED UP BY WIND CAN RUB ACROSS SOLID ROCK THEREBY FILING IT AWAY SIMILAR TO SANDPAPER

  7. WIND TRANSPORTATION • SALTATION - SKIPPING AND BOUNCING • SURFACE CREEP

  8. ERG • SAND SEA THAT MOVES AS A UNIT

  9. SAND DUNE MOVEMENT • STOSS - WIND • LEE - WHERE SLIP FACE OCCURS

  10. DUNE FORMS • BARCHAN • TRANSVERSE • PARABOLIC • LONGITUDINAL • STAR

  11. LOESS • DEPOSITS OF WIND BLOWN SOIL • MAY COME FROM DESERT REGIONS SUCH AS THE GOBI DESERT IN CHINA WHERE DEPOSITS OF 100-400 FEET OCCUR. YELLOW RIVER • GLACIAL /PERIGLACIAL REGIONS ALONG ILLINOIS & MISSISSIPPI RIVERS WITH 300 INCHES DEEP

  12. WHY IS THERE A DESERT HERE? • EASTERN FLANK OF THE SUBTROPICAL HIGHS

  13. ARID LANDFORMS • PLAYA IS SALT CRUSTS LEFT BY RUNOFF WATERS THAT EVAPORATE • ALLUVIAL FAN - MOUTH OF CANYON WHERE WATER EXITS INTO A VALLEY • BAJADA - INDIVIDUAL ALLUVIAL FANS COALESCE INTO ONE SLOPING SURFACE

  14. PLAYA

  15. ALLUVIAL FAN & BAJADA

  16. TEST 3 REVIEW

  17. FROST WEDGING IS AN EXAMPLE OF • MECHANICAL WEATHERING • CHEMICAL WEATHERING • MECHANICAL EROSION • CHEMICAL EROSION CORRECT RESPONSE IS MECHANICAL WEATHERING

  18. ILLUSTRATES DIFFERENTIAL WEATHERING & EROSION • SANDSTONE • SHALE • LIMESTONE • CONGLOMERATE • CORRECT RESPONSE IS LIMESTONE

  19. TRUE OF IMPERMEABLE ROCK • WATER FLOWS THROUGH IT • IT CONDUCTS GROUNDWATER IN USABLE AMOUNTS • AQUIFERS ARE MADE UP OF IT • ALL ARE TRUE • NONE ARE TRUE • CORRECT RESPONSE IS NONE ARE TRUE

  20. HYDRAULIC ACTION IN A STREAM IS DUE TO: • TURBULENCE IN WATER • STREAM LOAD • STREAM PROFILE • STREAM LENGTH • CORRECT RESPONSE IS TURBULENCE IN WATER

  21. THE PHREATIC ZONE IS • ABOVE THE WATER TABLE • AT THE WATER TABLE • BELOW THE WATER TABLE • ABOVE THE SOIL-ROOT ZONE • CORRECT RESPONSE IS BELOW THE WATER TABLE

  22. HIGH MOUNTAIN STAIR-STEP LAKES IN GLACIAL AREA • PATERNOSTER • ARETE • NUNATAK • FIORD • CORRECT RESPONSE IS PATERNOSTER

  23. EOLIAN REFERS TO • WIND EROSION • WIND TRANSPORT • WIND DEPOSITION • ALL OF THESE • NONE OF THESE • CORRECT IS ALL OF THESE

  24. A PLAYA IS • INDIVIDUAL ALLUVIAL FANS COALESCING TOGETHER • SALT CRUSTS LEFT BY RUNOFF WATER THAT EVAPORATED • TYPE OF SAND DUNE • SAND SEA MOVING AS A UNIT • CORRECT RESPONSE IS SALT CRUSTS

  25. WHICH DO FIND IN AN OLD-AGE STREAM? • DEEP V-SHAPED VALLEYS • STRAIGHT STREAM • STEEP GRADIENT • MANY OXBOW LAKES • CORRECT RESPONSE IS MANY OXBOW LAKES

  26. WHO WROTE YOUR TEXTBOOK? • STEVE BLACKMAN • BOB DENNISON • FRODO BAGGINS • ED TARBUCK • FRED LUTHMANN • ANSWER: ED TARBUCK

  27. LINK TO REVIEWSHEET • http://www.hcc.cc.il.us/staff/bobd/easc121tr3.html