1 Using The Data In Figure 6 1 And The Graph Provided Below Plot Data For Specific Latitudes For The First Of Each Mon 1 (64.83 KiB) Viewed 116 times
1 Using The Data In Figure 6 1 And The Graph Provided Below Plot Data For Specific Latitudes For The First Of Each Mon 2 (69.68 KiB) Viewed 116 times
1. Using the data in Figure 6.1 and the graph provided below, plot data for specific latitudes for the first of each month. The graph you create will enable you to note the changes throughout the year in the amount of insolation received at a given latitude. Compare the differences in annual insolation patterns at various latitudes. Plot all seven latitudes on one graph, using color pencils to distinguish each. (Be sure to include a legend.) • North Pole (started on the graph with a red line and xs) New York (started on the graph; with a blue line and dots) Tropic of Cancer • Equator South Pole 600 500 400 1 300 200 100 0* 0 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec After completing the graph of the energy receipt at these different latitudes, complete the following: 2. Compare and contrast the plotted insolation values at the equator and either of the poles. What factors explain these different patterns of energy receipt? 3. What factor results in the June (summer) solstice energy receipt at the North Pole exceeding that received on the same day at the equator? 4. What is happening at the poles on the March (vernal) equinox? 5. What kind of generalization can you make about the relationship between latitude and annual variation in insolation? 6. Challenge question: Why do you think the South Pole receives over 550 W/m² at the December solstice, whereas the North Pole receives over 500 W/m² during the June solstice? Insolation watts per m² 600 500 400 300 200 100
North Latitudes South Latitudes Daily Receipt of Insolation (W/m²) at Top of the Atmosphere Latitude Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 80° Night Night 70° 60° 50 50° 40⁰ 30° 20⁰ Declination of 450 10⁰ 0° 400- 10° 350 300 20° 250 30° 200 150- 40° 100 50° 50 60° 0 70° 80° Night 90° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Months of the Year North Pole. 90° Arctic Circle New York, Rome Tropic of Cancer Equator Tropic of Capricorn New Zealand Antarctic Circle South Pole 550 500 8 58 58 59 6 June solstice March equinox 450 500 Sun September equinox 450 100 150- 200 250 300 350 400- 500 December solstice 550
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