Please answer Qestions: Q3, Q4, Q5, Q6, and Q7 according to: http://www.ncdc.noa

Question

Please answer Qestions: Q3, Q4, Q5, Q6, and Q7 according to: http://www.ncdc.noaa.gov/cag/time-series/global

Q1. What is the rate of temperature change per decade for (a) Land, (b) Ocean, and (c) Land and Ocean

for the 1900-2000 interval? Make sure to change the fields on website accordingly. Recall that the

rate is given on the top of each chart. Land and Ocean: +.07C Ocean: +.06C Land: +.08C

Q2. For this question, select ‘Land and Ocean’ under Surface menu and note the rate of temperature

change per decade for the following intervals.

a) 1880-1910 -0.07 C

b) 1910-1940 +0.10 C

c) 1940-1970 -0.04 C

d) 1970-2010= +0.17 C

Q3. Carefully examine the temperature trends for different intervals you determined for Q2. Based on

these trends, which one of the following statements makes most sense?

Q4. If Earth continues to warm at the same rate as it did during the 1970-2010 interval, the global

temperatures (since 2010) will further rise by _____and _______ oC by 2050 and 2100 AD,

respectively. Select the choice on BB closest to your answer. [Note- rate of the temperature change

from question 2 is given in terms of oC per decade. It will be helpful to express it in oC/year. For

example, a 2oC change over a decade = 0.2oC change per year].

+.17C .+34C

Q5. Had the Earth cooled at the same rate as it did during the1940-1970 interval, global temperatures

since 1970 may have dropped by _______ and ____ oC by 2010 and 2100 AD, respectively. [Note—rate

of temperature change from question 2 is given in terms of per decade].

Instructions for the next two questions: Under Options, select start and end year as 1970 and 2014,

respectively. As before, select Display Trend per decade. Under Timescale, select ‘Annual’ and under

Region/Continent and Surface menus, select ‘Northern Hemisphere’ and ‘Land’ respectively. Note the

rate of temperature change on the chart. Repeat this step but now select ‘Southern Hemisphere’ and

note the rate of temperature change. Note your observations and answer the following two questions.

Notes: Accordng

Northern Hemisphere +.30C/Decade

Southern Hemisphere +.18C/Decade

Asia +.31C/Decade

Europe +.31C/Decade

Africa+.26C/Decade

Q6: The ______________ Hemisphere is warming with a rate of ___________, which is nearly

________ as high compared to the ___________ Hemisphere.

Q7: Which of the following land regions [North America; Asia; Europe; Africa] has exhibited the

greatest warming trend between 1970 and 2014? [Note: follow the instructions noted above Q6 but

change certain variables as needed].

Explanation / Answer

Q3. This question seems incomplete, please check.

?Q4. by 2050 temperature rise is +0.68 degree Celsius.
   by 2100 temperature rise is +1.53 degree Celsius.

?Q5. Since 1970 may have dropped by -1.6 degree celsius and -5.2 degree celsius by 2010 and 2100 AD respectively.

?Q6. The Northern Hemisphere is warming with a rate of 0.30 degree Celsius? which is nearly? 0.12 degree? as high compared to the Southern Hemisphere.

?Q7.? Land regions of Europe has exhibited the greatest warming trend between 1970 and 2014 recording +0.34 degree Celsius.

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