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Is this spring the warmest in recorded history? Or is it the coolest? We often hear weather announcers discuss
these things. How could you compare spring's arrival from year to year? What could you measure?
In northern regions of North America, the melting of ice cover on lakes, rivers, ponds and oceans is a welcome
sign of spring. This event is known as "ice-out", and ice-out dates are an accurate way to measure spring's
pace from year to year.
How to Participate in the Ice-Out Study
Here's What You'll Do:
Report the Ice-Out Date of Your Local Waters
to Journey North
- Adopt a frozen body of water near you. You may choose a lake, pond, river, stream, bay, estuary--or even an
- Report back to us when ice-out occurs. (We define "ice out" as the time the body of water is 90%
free of ice.)
Predict the Arrival of Spring
Official 2000 Ice-out Observation Posts
Strategically placed across the
Northern Hemisphere, these 6 official sites will monitor the ice-cover in their local waters. Guess when you think
the ice will melt at each of these places.
||Point Hope, Alaska
||Rankin Inlet, NT
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