short term changes in mass balance

Question 1

late autumn/ early spring

Answer 1

glacier advanced because the accumulation line is above the ablation line, causing a positive balance

Question 2

late spring/ early autumn

Answer 2

glacier starts to retreat because the ablation line is above the accumulation line causing a negative balance

Question 3

causes of a negative mass balance

Answer 3

-rise in temp
-climate change
-anthropogenic climate change

Question 4

impacts of a negative mass balance

Answer 4

-sea level rising
-loss of environment
-damage to habitats
-less sunlight reflected into space