Mystery Class News
February 9, 2018 by Julie Brophy

With three weeks of data, can you tell which Mystery Class sites are north and south of your hometown?

Odobenus rosmarus
Ryan Kingsbery, USGS

Week #3: Which Hemisphere?

I am a Pinniped, but some call me a "tooth-walking seahorse" because I use my canines to help pull myself out of water. And my highly sensitive vibrissae help me find food. I live in a place where winter is ending and days are getting longer.

Looking for a Clue?
Half of the Mystery Classes are located in my hemisphere.

 

Photoperiod Clues from the Mystery Sites

Mystery Class Photoperiod Map
 

Compare Your Photoperiod


Report Photoperiod

Mystery Class Photoperiod Map

 
   

Journal: Latitude and Location

How do the data and graph lines show you which Mystery Class sites are north and south of your latitude?

Journal #3

 
Next Update February 16, 2018