Previous Intensive Observing Periods (IOPs)
July 2012, October 2012, January 2013
Photographs from these IOPs have been uploaded via the new GLOBE website data entry, but the new visualization system and database cannot display them yet. Summaries of these IOPs will be posted once the technology upgrades are complete.
1 April - 30 April 2012
Photographs submitted during this IOP have been analyzed and has shown us that there are a lot of discrepancies between land cover data bases. GLOBE land cover photographs can help us investigate why. Read more about this IOP here.
1 January - 31 January 2012
Read a summary of this IOP that compares land cover photographs from two GLOBE schools that have the same Koppen-Geiger climate classification, but are on different continents.
1 October - 31 October 2011
Photographs showing how land cover changes from one year to the next are highlighted in this IOP summary. Read more about the results of this IOP here.
1 July - 31 July 2011
A new land cover site added during this IOP helped validate the land cover databases taht were in disagreement! Read more about the results of this IOP here.
17 April - 22 May 2011
Read a summary from Climate and Land Cover project scientists about this IOP.
10 - 31 October 2010
This was the first pilot IOP of the Climate and Land Cover Project. Read a preliminary analysis of the land cover data collected by GLOBE schools during this IOP.