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OnlineToolsforGlobalSynthesis ofLocalKnowledge
Information Systems Wayne Lutters
Computer Science Tim Oates, Penny Rheingans, Tim Finin, Matt Schmill
Geography & Environmental Systems Erle Ellis
@globalyzer
globe.umbc.edu
The GLOBE Project
 Are Case Studies Globally Relevant?
 Are Meta-Studies Globally Biased?
Can We Study Local Change Globally?
G L O B A L C O L L A B O R A T I O N E NG I NE
globe.umbc.edu
© Erle Ellis
Local Case Studies are needed to understand the causes of Land Change
http://www.lawtechnologynews.com/image/ltn/300_pics/1212ltnp27.gif
The Streetlight Effect
Biased Selection of Case Study Sites
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Anthromes
(Levels)
Dense Settlements
Villages
Croplands
Rangelands
Seminatural Lands
Wild Woodlands
Wild Treeless & Barre
Anthromes
(Levels)
Martin, Blossey & Ellis. 2012. Mapping where ecologists work: biases in the global distribution of terrestrial
ecological observations. Frontiers in Ecology and the Environment 10:195–201
Ecological Research Sites Top 10 Ecology Journals: 2004 – 2009
Bias in Ecological Field Research Sites
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Anthromes
(Levels)
Dense Settlements
Villages
Croplands
Rangelands
Seminatural Lands
Wild Woodlands
Wild Treeless & Barren
hromes
evels)
 2/3 in “protected areas”
 Temperate Zone Bias, Wealthy Nation Bias
 Just 1/6 in agricultural & settled lands
1) Identify globally similar case studies & researchers.
Enhance global collaborations
2) Assess global representativeness across sets of sites.
Enhance global synthesis (meta-analysis)
3) Improve the global relevance of site-based
observations: correct for biases, select sites globally.
Enhance global understanding of local land change
Can online social-geo-computational tools help?
globe.umbc.edu
G L O B A L C O L L A B O R A T I O N E N G I N E
globe.umbc.edu
How to Connect Local Studies with Global Data?
Global Patterns of Market Influence
Verburg et al. 2011
Stratify Earth’s Land into GLOBE Land Units
Characterize social-environmental patterns globally within
GLOBE Land Units: 96 km2 hexagonal grid cells.
1.46 × 106 cells cover all Earth’s land.
Level 12 ISAE3H Discrete Global Grid system
(DGG; Sahr et al. 2003)
produced by David Potere, 2008
globe.umbc.edu
globe.umbc.edu
G L O B A L C O L L A B O R A T I O N E N G I N E
Assessing the Global Context of Xiejia Village
globe.umbc.eduMarket Influenced Rice Village Landscapes
More than 1000 studies…
G L O B A L C O L L A B O R A T I O N E NG I NE
Share. Compare. Search. Synthesize.
Share Your Studies Globally
http://dx.doi.org/10.7933/K1154F00
Join GLOBE
Share Your Global Contexts Globally
Study Land Change Globally
http://dx.doi.org/10.7933/K1MW2F2N
globe.umbc.edu @globalyzer

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GLOBE Introduction (2015)

  • 1. OnlineToolsforGlobalSynthesis ofLocalKnowledge Information Systems Wayne Lutters Computer Science Tim Oates, Penny Rheingans, Tim Finin, Matt Schmill Geography & Environmental Systems Erle Ellis @globalyzer globe.umbc.edu The GLOBE Project
  • 2.  Are Case Studies Globally Relevant?  Are Meta-Studies Globally Biased? Can We Study Local Change Globally? G L O B A L C O L L A B O R A T I O N E NG I NE globe.umbc.edu
  • 3. © Erle Ellis Local Case Studies are needed to understand the causes of Land Change
  • 5. E E E E E E E E E E E E E E E E E E E E E E E E E E EE E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E EE E E E EE E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E EE E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E EE E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E EE E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E EE E E E E E E E E E E E E E E EE E E E E EE E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E EE E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E EE E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E EE E EE E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E EE E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E EE E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E EE E E E E E E E E E E E E E E E EE E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E EE E E E E E E E E E E E E E E E E E E E E E E E E E E E E E EE E E E E E E E E E E E E E E E E E E E E E EEE E E E E E E E EE E E E E E E E E E E E EE E E E E E E E E E E E E E E E EEEE E EE E E E EEE EEEE E E EEEE E E E E EE E E E EE E E E EE EEE EEEE E E EE E EE EE E E E E E E E EEE E E E E EE E E E EE E E EE EE E E EEE EE EE E E EEE E E EE EEE EE EEE E E EEE EE E EEE E E EEE E EE EEEE EEE EE EEEEE EEE EE EEE EE EEE E E E EEEEE EE EE EEEE E E E EEEE EEEEEE EEE EEEE EEEEEEEEE EE EE E E EEE EE E E E EEE E E E E E E E E E E E E E E E E EE EE EE E E EE EE EE EE EEEE EEE EE EE EE EE E EEE E E E E EE EE E E E E EE EE E E EE EEE EEEE EEEEEE EE E E E E E EE E EEE EE EEEEEE EE EE EEEEEE EE EEEEEEE EE EEE E EEEEE EE EE EEEEEEE EE EE E EE EE EE EEE E EE E E EE E E E EEE E E E E EEE EEE EE E EEE EEE E EE E EE EEE EEEEEE E E E E E E EE EEEEE E EE EEEEEE EE E E EE EEE EE E E EEE EEE EE E E E E E EE EEE E E E E E EE E EEE EE E E E Anthromes (Levels) Dense Settlements Villages Croplands Rangelands Seminatural Lands Wild Woodlands Wild Treeless & Barre Anthromes (Levels) Martin, Blossey & Ellis. 2012. Mapping where ecologists work: biases in the global distribution of terrestrial ecological observations. Frontiers in Ecology and the Environment 10:195–201 Ecological Research Sites Top 10 Ecology Journals: 2004 – 2009 Bias in Ecological Field Research Sites E E E E E E E E E E E E E E E E E E E E E E E E E E EE E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E EE E E E EE E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E EE E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E EE E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E EE E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E EE E E E E E E E E E E E E E E EE E E E E EE E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E EE E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E EE E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E EE E EE E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E EE E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E EE E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E EE E E E E E E E E E E E E E E E EE E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E EE E E E E E E E E E E E E E E E E E E E E E E E E E E E E E EE E E E E E E E E E E E E E E E E E E E E E EEE E E E E E E E EE E E E E E E E E E E E EE E E E E E E E E E E E E E E E EEEE E EE E E E EEE EEEE E E EEEE E E E E EE E E E EE E E E EE EEE EEEE E E EE E EE EE E E E E E E E EEE E E E E EE E E E EE E E EE EE E E EEE EE EE E E EEE E E EE EE EEE E E EEE EE E EEE E E EEE E EE EEEE EEE EE EEEEE EEE EE EEE EE EEE E E E EEEEE EE EE EEEE E E E EEEE EEEEEE EEE EEEE EEEEEEEEE EE EE E E EEE EE E E E EEE E E E E E E E E E E E E E E E E EE EE EE E E EE EE EE EE EEEE EEE EE EE EE EE E EEE E E E E EE EE E E E E EE EE E E EE EEE EEEE EEEEEE EE E E E E E EE E EEE EE EEEEEE EE EE EEEEEE EE EEEEEEE EE EEE E EEEEE EE EEEEEEE EE E EE EE EE EEE E EE E E EE E E E EEE E E E E EEE EEE EE E EEE EEE E EE E EE EEE EEEEEE E E E E E E EE EEEEE E EE EEEEEE EE E E EE EEE EE E E EEE EEE EE E E E E E EE EEE E E E E EE E EEE EE E E E Anthromes (Levels) Dense Settlements Villages Croplands Rangelands Seminatural Lands Wild Woodlands Wild Treeless & Barren hromes evels)  2/3 in “protected areas”  Temperate Zone Bias, Wealthy Nation Bias  Just 1/6 in agricultural & settled lands
  • 6. 1) Identify globally similar case studies & researchers. Enhance global collaborations 2) Assess global representativeness across sets of sites. Enhance global synthesis (meta-analysis) 3) Improve the global relevance of site-based observations: correct for biases, select sites globally. Enhance global understanding of local land change Can online social-geo-computational tools help? globe.umbc.edu G L O B A L C O L L A B O R A T I O N E N G I N E globe.umbc.edu
  • 7. How to Connect Local Studies with Global Data? Global Patterns of Market Influence Verburg et al. 2011
  • 8. Stratify Earth’s Land into GLOBE Land Units Characterize social-environmental patterns globally within GLOBE Land Units: 96 km2 hexagonal grid cells. 1.46 × 106 cells cover all Earth’s land. Level 12 ISAE3H Discrete Global Grid system (DGG; Sahr et al. 2003) produced by David Potere, 2008 globe.umbc.edu
  • 10. G L O B A L C O L L A B O R A T I O N E N G I N E Assessing the Global Context of Xiejia Village globe.umbc.eduMarket Influenced Rice Village Landscapes
  • 11. More than 1000 studies…
  • 12. G L O B A L C O L L A B O R A T I O N E NG I NE Share. Compare. Search. Synthesize. Share Your Studies Globally http://dx.doi.org/10.7933/K1154F00 Join GLOBE Share Your Global Contexts Globally Study Land Change Globally http://dx.doi.org/10.7933/K1MW2F2N globe.umbc.edu @globalyzer