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Carbon,Climate&EnergyResources

Unit5TheRecordofModernCO2Accumulation

GalleryWalkandQuestions

Diagram1.ChangesinCO2over1month.

QuestionsforDiagram1,ChangesinCO2over1month:1. DescribethechangesinCO2.

2. WhenisaverageCO2highest?

3. WhenisaverageCO2lowest?

4. Whatdoyouthinkiscausingthispattern?

Diagram2.ChangesinCO2over6months(FalltoSpring).

QuestionsforDiagram2,ChangesinCO2over6months(FalltoSpring):1. DescribethechangesinCO2.2. WhenisCO2highest?WhenisCO2lowest?

3. Whatdoyouthinkiscausingthispattern?

Diagram3.ChangesinCO2over6months(SpringtoFall).

QuestionsforDiagram3,ChangesinCO2over6months(SpringtoFall):1. DescribethechangesinCO2.

2. WhenisCO2highest?WhenisCO2lowest?

3. WhatwasthehighestCO2?Whatwasthelowest?4. Whatdoyouthinkiscausingthispattern?

Diagram4.ChangesinCO2over1year.

QuestionsforDiagram4,ChangesinCO2over1year:

1. DescribethechangesinCO2.

2. WhenisCO

2highest?WhenisCO

2lowest?

3. WhatwasthehighestCO2concentration?WhatwasthelowestCO2concentration?

4. Whydoesitincrease?Whydoesitdecrease?

Diagram5.ChangesinCO2over2years.

QuestionsforDiagram5,ChangesinCO2over2years:

1. AretheCO2levelsthesameastheywereinthepreviousyear?

2. Arethehighsatthesamelevel?Howdotheydiffer?

3. Arethelowsatthesamelevel?Howdotheydiffer?

4. WhatdoyouthinkcausedCO2levelstochange?

Diagram6.ChangesinCO2from1958toPresent.

QuestionsforDiagram6,ChangesinCO2from1958toPresent:

1. Howdoyouexplainthecyclic,zigzagpattern?

2. Iftherewerenopeople,woulditstillriseandfallinthis

cycle?

3. HowhasthelevelofCO2changedoverthepast50+years?

4. Whydoesthelinecontinuetogoup?WhatiscausingCO2

toincrease?

5. Whatcouldpeopledotomakeitstopincreasing?

Diagram7.Icecoredataextendtherecordbackto1700.

QuestionsforDiagram7,Icecoredataextendtherecordbackto1700:

1. WhendidCO2riseaboveabout280ppm?

2. Whateventsinhistoryoccurredaboutthistime?

3. WhendidCO2concentrationsintheatmospherebegintoriserapidly?

4. WhydidCO2intheatmosphereincreasesorapidly?

Diagram8.Icecoredataoverthepast800,000years.

QuestionsforDiagram8,Icecoredataoverthepast800,000years:1. DescribehowCO2changedoverthepast800,000years.

2. HowhighwasthemaximumCO2?

3. HowlowwastheminimumCO2?

4. Howlongwerethecycles?

5. Whatdoyouthinkcausedthispattern?

Diagram9.RelationshipbetweenCO2andglobaltemperature.

QuestionsforDiagram9,RelationshipbetweenCO2andglobaltemperature:1. Whatdothebluelinesrepresent?

2. Whatdotheredlinesrepresent?

3. Whatdoestheblacklinerepresent?

4. IstherearelationshipbetweenCO2andglobaltemperature?Ifso,whatisit?

5. Whataresomeoftheconsequencesofincreasingglobaltemperatures?

Diagram10.Ocean/atmosphereCO2exchange.

QuestionsforDiagram10,Ocean/atmosphereCO2exchange:

1. HowdoestheamountofCO2inseawaterchangeasatmosphericCO2increases?

2. HowdidthepHofseawaterchangebetween1990and2007?

3. Istheacidityofseawaterincreasingordecreasing?

4. Whataretheconsequencesofincreasingoceanacidity?

5. Howmightthisaffectmarinelife?

6. Howmightthisaffectpeople?