Rein Ahas

Rein Ahas (10 December 1966 – 18 February 2018)[1] was an Estonian geographer and a professor at the University of Tartu.

Rein Ahas in January 2013

Education

In 1991 he received his undergraduate degree in Physical Geography and Nature Conservation from the University of Tartu, in 1994 he completed his MSc and in 1999 his PhD, with the thesis "Spatial and Temporal Variability of Phenological Phases in Estonia", supervised by Prof. Ülo Mander and Jaan Eilart.[2]

Employment
  • 2013–2015 Researcher-professor of the Estonian Academy of Sciences
  • 2011–2018 Visiting professor at the Geography Department of the University of Gent, Belgium
  • 2006–2018 Professor of Human Geography, University of Tartu, Department of Geography
  • 2002–2006 Senior researcher, University of Tartu, Department of Geography
  • 1998–2000 Lecturer, University of Tartu, Institute of Geography
  • 1994–2000 Researcher, University of Tartu, Institute of Geography

visiting researcher

  • ETH of Zürich, Switzerland (2012)
  • Umeå University, Sweden (2011)
  • Vienna Technical University, Austria (2008)
  • Oxford University, Environmental Change Institute, UK (2001)
  • Fulbright visiting researcher at the University of Milwaukee, Wisconsin, USA (2001)

Research

The main research topics included spatial mobility of people, travel, urban geography and segregation. Special interest on using and developing mobile positioning based methods. Previous research included the impact of climate change, environmental impact and seasonality.

Scientific activities focus to Mobility Lab of University of Tartu.[3]

Co-founder and co-owner of spin-off company Positium LBS.[4]

Acknowledgments
  • 2012 ISI Essential Science Indicators (ESI) cumulative citation count rose above the 1% threshold.
  • 2007 Association of American Geographers, Climate Specialty Group. John Russell Mather Paper of the Year 2006 for the article Schwartz, MD, Ahas, R., Aasa, A. 2006. Onset of Spring Starting Earlier Across the Northern Hemisphere. Global Change Biology. 12(2): pp. 343–351.
  • 2006 Junior Prigogine Medal, University of Siena and the Wessex Institute of Technology in honour of the late Professor Prigogine's Nobel Prize in Chemistry.
  • 1983 School students’ Scientific Association's (ÕTÜ) Research Medal

Publications

Top 5 cited publications in Google Scholar [5]

  • Ahas, R. 1999. Long-term phyto-, ornitho- and ichthyophenological time-series analyses in Estonia. Int. J. Biometeorology, 42, pp. 119–123.
  • Ahas, R., Aasa, A., Menzel, A., Fedotova, V.G., Scheifinger, H. 2002. Changes in European spring phenology. Int. J. Climatology, 22, pp. 1727–1738.
  • Ahas, R., Ü. M. 2005. Location based services—new challenges for planning and public administration?. Futures, 37, pp. 547–561.
  • Menzel, A., Sparks, T., Estrella, N., Koch, E., Aasa, A., Ahas, R., Alm-Kübler K., et al. 2006. European phenological response to climate change matches the warming pattern. Global Change Biology, 12: pp. 1969–1976.
  • Schwartz, MD, Ahas, R., Aasa, A. 2006. Onset of Spring Starting Earlier Across the Northern Hemisphere. Global Change Biology. 12(2): pp. 343–351.
gollark: AR(r)ing!
gollark: I kind of wanted it, actually, for the guardian farms.
gollark: ARing.
gollark: Er, yes, available at :40.
gollark: Baq.

References
  1. "Tartu maratonil kukkus kokku ja suri hiljem haiglas professor Rein Ahas". Postimees. 19 February 2018. Retrieved 19 February 2018.
  2. "Rein Ahas CV". Retrieved 26 November 2014.
  3. "Mobility Lab of University of Tartu". Retrieved 26 November 2014.
  4. "Positium LBS". Retrieved 26 November 2014.
  5. "Rein Ahas . Google Scholar Citations". Retrieved 26 November 2014.
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