EXPLORATION 3A

Florida’s Past Sea Level

How has sea level changed historically in Florida? Florida’s peninsula-shape makes it one of the most recognizable states. However, tens to hundreds of thousands of years ago, it would be difficult to recognize the state of Florida as it looks today. What do you think Florida looked like during the last interglacial period (approximately 120,000 years ago) or during the last glacial period (approximately 18,000 years ago)?

***To print this exploration and record your responses, download this PDF document  .***

Sea Change Over Time
Florida During the Past Interglacial, Glacial, and Present.  Image Source: Wanless

  1. Which map above represents what Florida may have looked like during a glacial maximum? 
  2. Which map above represents what Florida may have looked like during an interglacial period?