ࡱ> 98 g2ɀ\pBryony Collins Ba==,#8X@"1Arial1Arial1Arial1Arial1Arial1Arial1Arial1Arial1Arial1Calibri1 Calibri1Calibri14Calibri1 Calibri1Calibri1Calibri1,8Calibri18Calibri18Calibri1>141<Calibri1?Calibri1h8Cambria1Calibri1 Calibri""#,##0;\-""#,##0""#,##0;[Red]\-""#,##0""#,##0.00;\-""#,##0.00#""#,##0.00;[Red]\-""#,##0.005*0_-""* #,##0_-;\-""* #,##0_-;_-""* "-"_-;_-@_-,)'_-* #,##0_-;\-* #,##0_-;_-* "-"_-;_-@_-=,8_-""* #,##0.00_-;\-""* #,##0.00_-;_-""* "-"??_-;_-@_-4+/_-* #,##0.00_-;\-* #,##0.00_-;_-* "-"??_-;_-@_-                                                                      ff + ) , *     P  P        `            a>         " " ||Cq}A} _-;_-* "ef-@_- }A} _-;_-* "ef-@_- }A} _-;_-* "ef-@_- }A} _-;_-* "ef-@_- }A} _-;_-* "ef-@_- }A} _-;_-* "ef -@_- }A} _-;_-* "L-@_- }A} _-;_-* "L-@_- }A} _-;_-* "L-@_- }A} _-;_-* "L-@_- }A} _-;_-* "L-@_- }A} _-;_-* "L -@_- }A} _-;_-* "23-@_- }A} _-;_-* "23-@_- }A} _-;_-* "23-@_- }A} _-;_-* "23-@_- }A}  _-;_-* "23-@_- }A}! _-;_-* "23 -@_- }A}" _-;_-* "-@_- }A}# _-;_-* "-@_- }A}$ _-;_-* "-@_- }A}% _-;_-* "-@_- }A}& _-;_-* "-@_- }A}' _-;_-* " -@_- }A}( _-;_-* "-@_- }}) }_-;_-* "-@_-    }}* _-;_-* "-@_- ??? ??? ??? ???}-}/ _-;_-* "}A}0 a_-;_-* "-@_- }A}1 _-;_-* "-@_- }A}2 _-;_-* "?-@_- }A}3 _-;_-* "23-@_- }-}4 _-;_-* "}}5 ??v_-;_-* "̙-@_-    }A}6 }_-;_-* "-@_- }A}7 e_-;_-* "-@_- }x}8_-;_-* "-@_  }}9 ???_-;_-* "-@_??? ???  ??? ???}-}; _-;_-* "}U}< _-;_-* "-@_ }-}= _-;_-* " 20% - Accent1M 20% - Accent1 ef % 20% - Accent2M" 20% - Accent2 ef % 20% - Accent3M& 20% - Accent3 ef % 20% - Accent4M* 20% - Accent4 ef % 20% - Accent5M. 20% - Accent5 ef % 20% - Accent6M2 20% - Accent6  ef % 40% - Accent1M 40% - Accent1 L % 40% - Accent2M# 40% - Accent2 L渷 % 40% - Accent3M' 40% - Accent3 L % 40% - Accent4M+ 40% - Accent4 L % 40% - Accent5M/ 40% - Accent5 L % 40% - Accent6M3 40% - Accent6  Lմ % 60% - Accent1M 60% - Accent1 23 % 60% - Accent2M$ 60% - Accent2 23ږ % 60% - Accent3M( 60% - Accent3 23כ % 60% - Accent4M, 60% - Accent4 23 % 60% - Accent5M0 60% - Accent5 23 %! 60% - Accent6M4 60% - Accent6  23 % "Accent1AAccent1 O % #Accent2A!Accent2 PM % $Accent3A%Accent3 Y % %Accent4A)Accent4 d % &Accent5A-Accent5 K % 'Accent6A1Accent6  F %(Bad9Bad  %) Calculation Calculation  }% * Check Cell Check Cell  %????????? ???+ Comma,( Comma [0]-&Currency.. Currency [0]/Explanatory TextG5Explanatory Text % 0Good;Good  a%1 Heading 1G Heading 1 I}%O2 Heading 2G Heading 2 I}%?3 Heading 3G Heading 3 I}%234 Heading 49 Heading 4 I}% 5InputuInput ̙ ??v% 6 Linked CellK Linked Cell }% 7NeutralANeutral  e%"Normal 8Noteb Note   9OutputwOutput  ???%????????? ???:$Percent ;Title1Title I}% <TotalMTotal %OO= Warning Text? Warning Text %XTableStyleMedium2PivotStyleLight16`1Sheet1LSheet2PNSheet3,T Glacier flow data analysis task`The data below will give you an idea about how to determine the speed of movement for a glacier.The stakes were placed at regular intervals from one side of the glacier to the other, at a right angle to the glacier's flow direction. Stake numbergThe exact position of each stake was recorded using a hand-held GPS (Global Positioning System) device.;2. What is the average distance that the stakes have moved?Imagine that a group of students have placed stakes into the surface of a valley glacier along a line cutting across its width.PDistance of stake down glacier from the starting position after 1 month (metres)\1. What are the minimum and maximum distances (in metres) that stakes have moved in a month? Questions:l3. Taking the maximum distance from this set of data, work out the maximum flow velocity in metres per year.I4. What is the average flow velocity in metres per year for this glacier?p5. Suggest a reason why flow velocities are higher near the middle of the glacier than near the glacier's sides.6. If you performed the same field study on a glacier in the Transantarctic Mountains in Antarctica, how do you think the velocities would compare?k7. Suggest reasons for the difference in flow velocity between an alpine glacier and a cold, polar glacier.l8. 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