| European phenological response to climate change matches the warming pattern A Menzel, TH Sparks, N Estrella, E Koch, A Aasa, R Ahas, K Alm‐Kübler, ... Global change biology 12 (10), 1969-1976, 2006 | 3556 | 2006 |
| Onset of spring starting earlier across the Northern Hemisphere MD Schwartz, R Ahas, A Aasa Global change biology 12 (2), 343-351, 2006 | 1264 | 2006 |
| Using mobile positioning data to model locations meaningful to users of mobile phones R Ahas, S Silm, O Järv, E Saluveer, M Tiru Journal of urban technology 17 (1), 3-27, 2010 | 505 | 2010 |
| Evaluating passive mobile positioning data for tourism surveys: An Estonian case study R Ahas, A Aasa, A Roose, Ü Mark, S Silm Tourism Management 29 (3), 469-486, 2008 | 482 | 2008 |
| Changes in European spring phenology R Ahas, A Aasa, A Menzel, VG Fedotova, H Scheifinger International Journal of Climatology: A Journal of the Royal Meteorological …, 2002 | 427 | 2002 |
| Seasonal tourism spaces in Estonia: Case study with mobile positioning data R Ahas, A Aasa, Ü Mark, T Pae, A Kull Tourism management 28 (3), 898-910, 2007 | 396 | 2007 |
| Measuring tourism destinations using mobile tracking data J Raun, R Ahas, M Tiru Tourism Management 57, 202-212, 2016 | 350 | 2016 |
| The use of tracking technologies in tourism research: The first decade N Shoval, R Ahas Tourism Geographies 18 (5), 587-606, 2016 | 337 | 2016 |
| Daily rhythms of suburban commuters’ movements in the Tallinn metropolitan area: Case study with mobile positioning data R Ahas, A Aasa, S Silm, M Tiru Transportation Research Part C: Emerging Technologies 18 (1), 45-54, 2010 | 331 | 2010 |
| Location based services—new challenges for planning and public administration? R Ahas, Ü Mark Futures 37 (6), 547-561, 2005 | 328 | 2005 |
| Understanding monthly variability in human activity spaces: A twelve-month study using mobile phone call detail records O Järv, R Ahas, F Witlox Transportation Research Part C: Emerging Technologies 38, 122-135, 2014 | 311 | 2014 |
| Variations of the climatological growing season (1951-2000) in Germany compared with other countries A Menzel, G Jakobi, R Ahas, H Scheifinger, N Estrella International Journal of climatology 23 (7), 793-812, 2003 | 307 | 2003 |
| Variation in cold hardiness and carbohydrate concentration from dormancy induction to bud burst among provenances of three European oak species X Morin, T Améglio, R Ahas, C Kurz-Besson, V Lanta, F Lebourgeois, ... Tree physiology 27 (6), 817-825, 2007 | 275 | 2007 |
| Long-term phyto-, ornitho-and ichthyophenological time-series analyses in Estonia R Ahas International Journal of Biometeorology 42, 119-123, 1999 | 268 | 1999 |
| Everyday space–time geographies: using mobile phone-based sensor data to monitor urban activity in Harbin, Paris, and Tallinn R Ahas, A Aasa, Y Yuan, M Raubal, Z Smoreda, Y Liu, C Ziemlicki, M Tiru, ... International Journal of Geographical Information Science 29 (11), 2017-2039, 2015 | 195 | 2015 |
| The phenological calendar of Estonia and its correlation with mean air temperature R Ahas, J Jaagus, A Aasa International journal of biometeorology 44, 159-166, 2000 | 187 | 2000 |
| Ethnic differences in activity spaces: A study of out-of-home nonemployment activities with mobile phone data S Silm, R Ahas Annals of the Association of American Geographers 104 (3), 542-559, 2014 | 176 | 2014 |
| Ethnic differences in activity spaces as a characteristic of segregation: A study based on mobile phone usage in Tallinn, Estonia O Järv, K Müürisepp, R Ahas, B Derudder, F Witlox Urban Studies 52 (14), 2680-2698, 2015 | 173 | 2015 |
| Dynamic cities: Location-based accessibility modelling as a function of time O Järv, H Tenkanen, M Salonen, R Ahas, T Toivonen Applied geography 95, 101-110, 2018 | 169 | 2018 |
| Atmospheric mechanisms governing the spatial and temporal variability of phenological phases in central Europe. Int J Climatol H Scheifinger, E Koch, R Ahas Int. J. Climatol 22, 1739-1755, 2002 | 156 | 2002 |
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