Rein Ahas

European phenological response to climate change matches the warming pattern

Annette Menzel, Tim H. Sparks, Nicole Estrella et al. · Global Change Biology · 2006 · 3.1K citations

Engineering, Earth Science, Leaf Colouring +17

Onset of spring starting earlier across the Northern Hemisphere

Mark D. Schwartz, Rein Ahas, Anto Aasa · Global Change Biology · 2006 · 1K citations

Engineering, Climate Modeling, Earth System Science +19

Using Mobile Positioning Data to Model Locations Meaningful to Users of Mobile Phones

Rein Ahas, Siiri Silm, Olle Järv et al. · Journal of Urban Technology · 2010 · 375 citations

Engineering, Smart City, Wearable Technology +20

Evaluating passive mobile positioning data for tourism surveys: An Estonian case study

Rein Ahas, Anto Aasa, Antti Roose et al. · Tourism Management · 2007 · 306 citations

Tourism Surveys, Engineering, Smart City +10

Changes in European spring phenology

Rein Ahas, Anto Aasa, Annette Menzel et al. · International Journal of Climatology · 2002 · 281 citations

Climatology, Meteorology, Phenomics +15