SCI 207 WEEK 4 LAB REPORT
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University Of Arizona *
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207
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Geography
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Feb 20, 2024
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docx
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Climate Change Virtual Laboratory
Destiny Newberry
SCI 207: Our Dependence Upon the Environment
Clifford Blizard
04/15/23
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*Use this template to write your lab report each week. Complete the sections below, pasting in all completed data tables, graphs, and photographs where indicated. Before you submit your report, run it through Turnitin using the student folder to safeguard against accidental plagiarism.
Please delete this text along with all other template instructions before submitting your report. Climate Change Virtual Laboratory
Introduction
This week’s lab focused on climate change and its effects
. Climate change refers to
the increasing changes in the measure of climate over a long period of time. The scenarios we encountered within the lab observed different scenarios of climate change. It can be tested to determine differential heating and how much heat it takes to raise temperatures.
Graphs and Photograph
ACTIVITY 1: f one version of Earth has an atmosphere, and a second version of Earth does not, how do you predict the average surface temperature of the first Earth will compare to the second Earth over time? Explain your reasoning.
I predict the average temperature
of the 2nd earth will be higher as compared to the first earth over
time.
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ACTIVITY 2
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If open ocean and Arctic sea ice are exposed to sunlight for the same amount of time, how do you predict the average temperature of the ocean will compare to that of the sea ice over
time? Explain your reasoning
. I believe the ocean would heat up faster than ice due to it being the darkest natural surface on the planet sea ice acts like a reflector reducing the amount of radiation absorbed.
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Analysis
Based upon the results of activity one my hypothesis was correct. The original hypothesis for this
activity stated the temperature of the second Earth would be higher over time due to the lack of atmosphere. Having an atmosphere is vital for it to remain cool.
Activity 2 results indicated my hypothesis was correct as well the open water absorbed most the radiation causing it to warm up faster than the ice. I accept both of my hypothesizes as they been proven and tested in real time .
Discussion
I have learned more about global climate change and what it means. Climate change isn’t something that happened over night, it’s been happening for many years right under our noses. Now I understand why scientists study and observe around the world using space, ground and air technologies. I also learned that this scientist makes predictions for our future climate change using these same methods (Navarro, 2021). I also learned in the lab
that scientists also study the effects of albedo on surface temperature because albedo is decreasing in the Arctic, which causes an increase in the water temperature of the world’s
oceans (Dong, 2021). Sources of Error
COPY THIS PARAGRAPH INTO YOUR FINAL LAB REPORT
All parts of this laboratory exercise are highly simplified simulations of complex natural processes. For Activity 1, the rate of warming for the two Earths with and without greenhouse gases is an entirely imaginary scenario. The final temperatures for the two Earths are drawn from
basic physics calculations; however, the timed warming process itself is not intended to mimic any actual events in Earth’s 4.6-billion-year history. Earth developed its atmosphere containing greenhouse gases early in its formation, though the composition and amount of those gases have changed considerably since that time. For Activity 2, the initial temperatures and rate of temperature change are estimates; the simulation is simply intended to show the different
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responses of sea ice and ocean to sunlight, and the different temperatures that result. For the Activity 3, about half the rise in sea level due to global climate change is caused by thermal expansion of seawater, which is not included here.
REFRENCES
Dong, W., Zhao, M., Ming, Y., & Ramaswamy, V. (2021). Representation of Tropical Mesoscale
Convective Systems in a General Circulation Model: Climatology and Response to Global
Warming.Journal of Climate,34(14), 5657-5671.
https://doi-
org.proxy-library.ashford.edu/10.1175/JCLI-D-20-0535.1
Navarro, O., Krien, N., Rommel, D., Deledalle, A., Lemée, C., Coquet, M., Mercier, D., &
Fleury-Bahi, G. (2021). Coping strategies regarding coastal flooding risk in a context of climate
change in a French Caribbean Island.Environment and Behavior,53(6), 636-660. https://doi-
org.proxy-library.ashford.edu/10.1177/0013916520916253
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