basal slippage
TRANSCRIPT
•Divide your A3 sheet into four.
•Copy the sketch diagram as it progresses.
•When prompted , swop your sheet with a partner and begin a new diagram on a new
section of the A3 sheet.
•The process will increase in speed with each diagram.
Snow fall
Accumulates and
compresses – ice sheet
Snow fall
Accumulates and
compresses – ice sheet
Pressure causes basal
melt.
Snow fall
Accumulates and
compresses – ice sheet
Pressure causes basal
melt.
Ice sheet moves-Lubricated due to
basal melt and gravity- basal
slippage.
Snow fall
Accumulates and
compresses – ice sheet
Pressure causes basal
melt.
Ice sheet moves-Lubricated due to
basal melt and gravity- basal
slippage.
Ice sheet flow out onto the sea- ice
shelf.
Snow fall
Accumulates and
compresses – ice sheet
Pressure causes basal
melt.
Ice sheet moves-Lubricated due to
basal melt and gravity- basal
slippage.
Ice sheet flow out onto the sea- ice
shelf.
Calving occurs in summer
Iceberg
Snow fall
Accumulates and
compresses – ice sheet
Snow fall
Accumulates and
compresses – ice sheet
Pressure causes basal
melt.
Snow fall
Accumulates and
compresses – ice sheet
Pressure causes basal
melt.
Ice sheet moves-Lubricated due to
basal melt and gravity- basal
slippage.
Snow fall
Accumulates and
compresses – ice sheet
Pressure causes basal
melt.
Ice sheet moves-Lubricated due to
basal melt and gravity- basal
slippage.
Ice sheet flow out onto the sea- ice
shelf.
Snow fall
Accumulates and
compresses – ice sheet
Pressure causes basal
melt.
Ice sheet moves-Lubricated due to
basal melt and gravity- basal
slippage.
Ice sheet flow out onto the sea- ice
shelf.
Calving occurs in summer
Iceberg
Snow fall
Accumulates and
compresses – ice sheet
Snow fall
Accumulates and
compresses – ice sheet
Pressure causes basal
melt.
Snow fall
Accumulates and
compresses – ice sheet
Pressure causes basal
melt.
Ice sheet moves-Lubricated due to
basal melt and gravity- basal
slippage.
Snow fall
Accumulates and
compresses – ice sheet
Pressure causes basal
melt.
Ice sheet moves-Lubricated due to
basal melt and gravity- basal
slippage.
Ice sheet flow out onto the sea- ice
shelf.
Snow fall
Accumulates and
compresses – ice sheet
Pressure causes basal
melt.
Ice sheet moves-Lubricated due to
basal melt and gravity- basal
slippage.
Ice sheet flow out onto the sea- ice
shelf.
Calving occurs in summer
Iceberg
Snow fall
Accumulates and
compresses – ice sheet
Snow fall
Accumulates and
compresses – ice sheet
Pressure causes basal
melt.
Snow fall
Accumulates and
compresses – ice sheet
Pressure causes basal
melt.
Ice sheet moves-Lubricated due to
basal melt and gravity- basal
slippage.
Snow fall
Accumulates and
compresses – ice sheet
Pressure causes basal
melt.
Ice sheet moves-Lubricated due to
basal melt and gravity- basal
slippage.
Ice sheet flow out onto the sea- ice
shelf.
Snow fall
Accumulates and
compresses – ice sheet
Pressure causes basal
melt.
Ice sheet moves-Lubricated due to
basal melt and gravity- basal
slippage.
Ice sheet flow out onto the sea- ice
shelf.
Calving occurs in summer
Iceberg