Lecture 26

Question 1

Ice in the Artic has been significantly _____

Answer 1

Decreasing

Question 2

True or false; In our life times we will not see no ice in the artic during the summers

Answer 2

False; we will

Question 3

True or false; If ice is already in the ocean and it melts sea levels will raise

Answer 3

false

Question 4

Greenland and Antaric ice sheets have

Answer 4

been losing mass

Question 5

Glaciers around the world have continued too ____

Answer 5

Shrink

Question 6

Between 1901 and 2010 how many Meters has the sea level risen

Answer 6

0.19

Question 7

The atmospheric concentrations of what gases have increased to levels unpreceded for 1.2 million years

Answer 7

CO2
Nitrous Oxide
and Methane

Question 8

Atmospheric CO2 concentrations have increased by _____% since pre-industrial times

Answer 8

40%

Question 9

The ocean has absorbed about ___% of emitted anthropogenic CO2 causing what

Answer 9

30% causing the oceans to become more acidic

Question 10

What has been the cause of observed warming since the mid 20th century?

Answer 10

Human influence

Question 11

How the climate will change in the future depends on what 3 things

Answer 11

a) Inherit variability
b) Social and economic choices
c) Response of the earths system

Question 12

How do we determine potential affects of climate change

Answer 12

by using scenario approaches

Question 13

CRCP stands for what

Answer 13

Representative concentration pathways

Question 14

It is virtually certain that in the long term, global precipitation will

Answer 14

Increase with increased temperature

Question 15

There is high confidence that the mean precipitation between dry and wet places will ____ resulting in what

Answer 15

Increase resulting in wet places becoming wetter and dry places becoming dryer

Question 16

Is Annual runoff in high northern latitudes increasing or decreasing and why

Answer 16

increasing because of the increased winter and spring precipitation