Seasonal Temperature Variations

  • Q: What causes the seasons (Harvard Study)???

  • Earths orbit around sun is elliptical -->

    • closest to sun in January

    • furthest from sun in July

  • Q: So, when should summer be  ANSWER

  • What governs the seasons is the amount of solar radiation reaching the ground

    • Q: What two primary factors determine the amount of radiation reaching the ground?