Grand Canyon Microclimatology_ Tutorial_ GPH 112_ Intro to Phys Geography Lab (2024 Spring).pdf

4/1/24, 9:18 AM Grand Canyon Microclimatology: Tutorial: GPH 112: Intro to Phys Geography Lab (2024 Spring) https://asu.instructure.com/courses/179022/quizzes/1344364 1/15 Grand Canyon Microclimatology: Tutorial Due Mar 20 at 11:59pm Points 4.5 Questions 9 Available after Feb 4 at 12am Time Limit None Allowed Attempts 7 Instructions The type of physical geography data displayed in the Grand Canyon Microclimate and Vegetation geovisualization are not what you will find via Google Earth. Your avatar interacts with three types of data that you will study to understand how the topography, surface temperature, precipitation, and vegetation abundance relate to one another. Consider what you see when the geovisualization starts up. We've changed the inset map to a view that simulates an aerial photograph (actually specially processed Landsat data). But otherwise, what you see here are data you have access to.

4/1/24, 9:18 AM Grand Canyon Microclimatology: Tutorial: GPH 112: Intro to Phys Geography Lab (2024 Spring) https://asu.instructure.com/courses/179022/quizzes/1344364 2/15 Attempt History Attempt Time Score LATEST Attempt 1 13 minutes 4.5 out of 4.5 Score for this attempt: 4.5 out of 4.5 Submitted Mar 30 at 11:04pm This attempt took 13 minutes.  Question 1 0.5 / 0.5 pts The tutorial questions will start with this opening scene and then guide you to come to understand and interpret data in this geovisualization. You can take this quiz 7 times. You will need to reach 100% correct in order to move onto the main labs. But please be aware that several of the tutorial questions are taken from large question banks, where you will be delivered random questions. So for most of the questions - you can learn the correct answer after the first taking. However, for some of them, we want to force you to actually turn on the geovisualization and learn about what you are seeing. Take the Quiz Again

4/1/24, 9:18 AM Grand Canyon Microclimatology: Tutorial: GPH 112: Intro to Phys Geography Lab (2024 Spring) https://asu.instructure.com/courses/179022/quizzes/1344364 3/15 The avatar and the camera are both looking west Correct! QUESTION Please open up the geovisualization. What direction is the camera looking? What direction is the avatar looking? Yes. We know you already learned this. But this question emphasizes that the direction the topography faces is VERY important in this lab. Slopes that face north have very different microclimates than slopes that face south. So we want you to be very certain about how you are interpreting direction. This little graphic is intended for you to examine and think about the direction that a slope in the Grand Canyon faces.

4/1/24, 9:18 AM Grand Canyon Microclimatology: Tutorial: GPH 112: Intro to Phys Geography Lab (2024 Spring) https://asu.instructure.com/courses/179022/quizzes/1344364 4/15 The avatar and the camera are both looking north The avatar and the camera are both looking east The avatar and the camera are both looking south The avatar and the camera are both looking north  Question 2 0.5 / 0.5 pts Correct! 1381 1531 1529 1141  Question 3 0.5 / 0.5 pts QUESTION: In Fast Travel enter latitude 36.0547 and longitude -112.0630, and go to this location. Write down the elevation in meters pixel that the avatar is standing on. What is it? You will be using "Fast Travel" a lot if you want to do the lab quickly. First - you open the menu using the arrow on the left side of the geoviz. Second - you click on Fast Travel Third - you enter the coordinates Fourth - click on the fast travel paper airplane icon and go WARNING: There is a giant pool of questions and answers ... literally hundreds of questions in the pool. We are doing this giant pool in order to encourage students to actually go through this tutorial. In our experience, we know that students who skip the tutorial ... end up spending a lot more time being frustrated than those who go through all of these questions. When the geovisualization starts up, your avatar is standing on a data layer, NDVI. This stands for normalized difference vegetation index. It is best thought of as the amount of vegetation present. In the Grand Canyon geovisualization, it is scaled from 0 to 1.0. The avatar is standing on a scrubland of pinyon and juniper dwarf conifer trees, staring out at the desert vegetation of the Grand Canyon.

4/1/24, 9:18 AM Grand Canyon Microclimatology: Tutorial: GPH 112: Intro to Phys Geography Lab (2024 Spring) https://asu.instructure.com/courses/179022/quizzes/1344364 5/15 We took satellite data on reflected near infrared (NIR) light and reflected red light, and did simple math. We subtracted red from NIR in the numerator and added them in denominator. The image was from summer. If the image was taken in winter, the oak and other deciduous trees would have dropped their leaves and the NDVI would have been lower. QUESTION: In a helicopter flight over the Grand Canyon, we took a screenshot in the area of where the game starts up. This allows you to see the south rim vegetation and then deep into the Grand Canyon via the NDVI. We think this helicopter scene will help you answer this question: WHEN THE GAME STARTS UP, WHAT IS THE VEGETATION TYPE THAT THE AVATAR IS LOOKING AT, DOWN IN THE GRAND CANYON? Hint: its a brown color.

4/1/24, 9:18 AM Grand Canyon Microclimatology: Tutorial: GPH 112: Intro to Phys Geography Lab (2024 Spring) https://asu.instructure.com/courses/179022/quizzes/1344364 6/15 ponderosa pine pinyon-juniper Correct! desert boreal forest The vegetation in the Grand Canyon is certainly desert. Yes. There is a range of vegetation plant types, but for this simple tutorial question - let's stick with desert or desert scrub.

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