sheridan and sherman glaciers, chugach mtns.. south sawyer glacier- 1999
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Sheridan and Sherman Glaciers, Chugach Mtns.
South Sawyer Glacier- 1999
SOUTHEAST ALASKA
ICE
VEGETATION
ROCK/SOIL
Landsat Thematic Mapper (TM) bands
redgreenbluecomputer display:
Landsat Thematic Mapper (TM) bands
near infrared
thermal infrared
SOUTHEAST ALASKA
ICE
VEGETATION
ROCK/SOIL
Juneau Icefield
Digital elevation model (DEM)
sea level
met
ers
Landsat Thematic Mapper image superimposed ondigital elevation model
Juneau Icefield
Juneau Icefield
Juneau Icefield
Region of the Mendenhall Glacier
Mendenhall Glacier
Recent glacier retreat
calvingterminus
South Sawyer Glacier- 1999
trim line- 1988
snowlinelast winter’s snow:accumulation zone
melting ice:ablation zone
Lemon Creek Glacier
Juneau Icefield
Region of the Taku Glacier
Taku Glacier
ablation zone
Taku Glacieraccumulation zone
terminus
outwash
terminus of Taku Glacier
Juneau Icefield
Region of the Gilkey Glacier
Gilkey Glacier
Vaughn Lewis Icefall
Vaughn Lewis Icefall
Clouds and cloud shadows
ogives
Vaughn Lewis ice fall
ogives
Vaughn Lewis icefall
Un-named glacier tributary to Gilkey
Vaughn Lewis icefall:severe extensional deformation producing open cracks, increasingsurface area
medial moraines
ogives
Looking down the Gilkey Glacier
enhanced TM image of ogives
tent
hanging glaciers
valley glacier
terminus
cirque glacier
cirquehanging glacier
arete ridge
horn
ogive
Childs Glacier, calving into Copper River
snowlines
terminus
Earthquake triggered Rockfall covering terminus of glacier
Sheridan and Sherman Glaciers, Chugach Mtns.
pro-glacial lake
SOUTHEAST ALASKA
ICE
VEGETATION
ROCK/SOILGlacier Bay
1780
1794
1860
1907
1980
Record of Glacier Bay Terminus Changes
1986 Landsat MSS image
10 km
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