What can we learn about plant growth and seasonal change by exploring historical maps and data? Explore emerge and bloom dates, month-by-month and year-by-year.
Analyze the relationship between climate, geography, and the greening of spring.
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Spring
2018
animation | map | data |
Spring
2017
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Spring
2016
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Spring
2015
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Spring
2014
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Spring
2013
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Spring
2012
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Spring
2011
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Spring
2010
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Spring 2009
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Spring 2008
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Spring
2007
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Spring
2006
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Spring
2005
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Spring
2004
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Spring
2003
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Spring
2002
animation | map | data |
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