Weather & Global Climate Lab Practical on the ITCZ



Arizona State University *

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Feb 20, 2024





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Unit 5 Weather & Global Climate: Lab Practical on the ITCZ (2 Points) Due No due date Points 2 Questions 4 Time Limit None Instructions Attempt History Attempt Time Score LATEST Attempt 1 ( version=1) 7 minutes 1.5 out of 2 Score for this quiz: 1.5 out of 2 Submitted Jan 20 at 3:37pm This attempt took 7 minutes. For this Lab Practical, you will be asked to find the Intertropical Convergence Zone (ITCZ) on satellite imagery and use that to determine what season it is. For a review on this information, consult the following reading: General Circulation Atmo & Oceans Ritter ( ( Before you begin, take the time to review for one second. A great way to get the formation of storms, is to have strong convergence of moist air. As air converges (and collides), it is forced upward (it certainly can’t go into the ground) and starts to cool. If the air cools to the point of saturation, condensation occurs and clouds form. Recall, the ITCZ is a region of converging air (very moist air) near the equator that circumvents the globe. Therefore, if we can observe on satellite imagery long horizontal bands of clouds near the equator, then we can infer that to be the current latitude of the ITCZ. Additionally, remember from the readings that the ITCZ moves north or south from the equator as the season changes, and it is very close to the equator during the fall/spring equinox. So, for this exercise, locate the ITCZ on satellite imagery (Look for long horizontal cloud bands), and determine whether the image was taken during the Northern Hemisphere summer, winter, or during an equinox. Hint: The difference between the latitude of the ITCZ and the equator may not be very large, and it may help to focus on the cloud bands over Africa and South America. 0.5 / 0.5 pts Question 1
Look at the satellite imagery, and determine what season it is by identifying the latitude of the ITCZ. Northern Hemisphere winter Correct! Correct! Correct! Correct! Equinox Northern Hemisphere summer
This was taken in the Northern Hemisphere winter. The ITCZ is represented by the black line, and the equator is represented by the red line. Notice the ITCZ is located south of the equator, therefore, this image was taken in the winter when the temperatures are hotter in the Southern Hemisphere. 0 / 0.5 pts Question 2 Look at the satellite imagery, and determine what season it is by iden±fying the la±tude of the ITCZ.
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