!"#$%&'() +,--).)+/)01'%")+-**) Perito Moreno - - PowerPoint PPT Presentation

▶

01 perito moreno glacier argentina southamericatravelling

!"#$%&'() *+,--*).)+/)01'%")+-**) Perito Moreno - - PowerPoint PPT Presentation

Nov 19, 2022 207 likes •527 views

!"#$%&'() *+,--*).)+/)01'%")+-**) Perito Moreno glacier, Argentina southamericatravelling.wordpress.com !"#$%#234)$5#46&()7'#%4#6&)4&893':() W. W. Norton. Adapted from Hamblin and Christiansen, 1998 W. W. Norton.

SLIDE 1

!"#$%&'()

+,--).)+/)01'%")+-**)

SLIDE 2

Perito Moreno glacier, Argentina southamericatravelling.wordpress.com

SLIDE 3

!"#$%#234)$5#46&()7'#%4#6&)4&893':()

W. W. Norton. Adapted from Hamblin and Christiansen, 1998
W. W. Norton. After Flint, 1971

SLIDE 4

;$&)(1'&#7%46)$&48&'(<)=3'85)0>&'%$#)

W. W. Norton. After Flint, 1971

SLIDE 5

?"&%(83$&4&)?"@A%#")B#:&()#47) C&6#D337()

6&3"36E,%(@,&7@)

SLIDE 6

C&6#85&'%@>)F6%#48)6'3@47)("385G)

SLIDE 7

J. Alean

Cirque glacier

SLIDE 8

H'#4I)J3(&K)!"#$%&'L)=M)

Valley glacier

SLIDE 9

!"#$%&'$"()*)%+),%-.,,$%

!'38I%46&')&8)#",L)!"#$%&'("#)"*+,(%'-+

SLIDE 10

H'#4I)J3(&K)!"#$%&'L)=M)

SLIDE 11

Measured glacier velocities

Site Surface velocity (m/yr)

S. Cascades

20 Antarctica 32 Greenland 50 Alps 100 Saskatchewan, Canadian Rockies 120 SE Alaska 500 Ansterdalsbreen, Norway (icefall) 2000

SLIDE 12

;$&)(1'&#7%46)$&48&'(<)=3'85)0>&'%$#)

W. W. Norton. After Flint, 1971

SLIDE 13

H3N)!"#$%&'L)=M)FC)J)O#>P'&EG)

SLIDE 14

Q(1#""#8#)R#""&E)

SLIDE 15

!3'(>S':)

SLIDE 16

TEU#VS'W@')

SLIDE 17

!"&4)X3&) FB%47E)T":%4(YZ#4834G)

SLIDE 18

R#""&)7&)['7&(#)

SLIDE 19

“Glacial buzzsaw” hypothesis \'3&$:&')])^&4834)F*__-G)

SLIDE 20

Medial Moraines Lateral Moraines

SLIDE 21

Z&'>%4#")>3'#%4&()%4)85&)&#(8&'4)Q,`,)

W. W. Norton. Adapted from Tarbuck and Lutgens, 1996
W. W. Norton. Adapted from Tarbuck and Lutgens, 1996

SLIDE 22

!'38I%46&')&8)#",L)!"#$%&'("#)"*+,(%'-+

^'@>"%4()

SLIDE 23

a#>&)O%"") 6&3"36E,9%($,&7@)

SLIDE 24

a&b"&)B#:&(L)`%P&'%#) B#47(#8)/)%>#6&)

SLIDE 25

a&b"&)B#:&()4&#')C8,)X33:L)=M)

SLIDE 26

Esker in NW Territory, Canada X,)J,)=3'85'@1L) \3%(&)`8#8&)

SLIDE 27

Striations

Stephen Marshak

Steve Marshak

SLIDE 28

Striations & “chatter marks”

Steve Marshak

SLIDE 29

J. Alean

Cirque (with cirque glacier)

SLIDE 30

Roche moutonnée

Martin G. Miller