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A precipitation shift from snow towards rain leads to a decrease in streamflow


In a warming climate, precipitation is less likely to occur as snowfall1,2. A shift from a snow- towards a rain-dominated regime is currently assumed not to influence the mean streamflow significantly1,3,4,5. Contradicting the current paradigm, we argue that mean streamflow is likely to reduce for catchments that experience significant reductions in the fraction of precipitation falling as snow. With more than one-sixth of the Earth’s population depending on meltwater for their water supply3 and ecosystems that can be sensitive to streamflow alterations6, the socio-economic consequences of a reduction in streamflow can be substantial. By applying the Budyko water balance framework7 to catchments located throughout the contiguous United States we demonstrate that a higher fraction of precipitation falling as snow is associated with higher mean streamflow, compared to catchments with marginal or no snowfall. Furthermore, we show that the fraction of each year’s precipitation falling as snowfall has a significant influence on the annual streamflow within individual catchments. This study is limited to introducing these observations; process-based understanding at the catchment scale is not yet provided. Given the importance of streamflow for society, further studies are required to respond to the consequences of a temperature-induced precipitation shift from snow to rain.

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Figure 1: Mean annual streamflow and streamflow anomaly in the context of the Budyko hypothesis, stratified by snow fraction.
Figure 2: Sensitivity of annual streamflow to the fraction of annual precipitation falling as snowfall.


  1. Solomon, S (eds) et al. Climate Change 2007: The Physical Science Basis (ed Solomon, S. et al.) (Cambridge Univ. Press, 2007).

    Google Scholar 

  2. Kapnick, S. & Hall, A. Causes of recent changes in western North American snowpack. Clim. Dyn. 38, 1885–1899 (2012).

    Article  Google Scholar 

  3. Barnett, T. P., Adam, J. C. & Lettenmaier, D. P. Potential impacts of a warming climate on water availability in snow-dominated regions. Nature 438, 303–309 (2005).

    CAS  Article  Google Scholar 

  4. Regonda, S. K., Rajagopalan, B., Clark, M. & Pitlick, J. Seasonal cycle shifts in hydroclimatology over the western US. J. Clim. 18, 372–384 (2005).

    Article  Google Scholar 

  5. Stewart, I. T., Cayan, D. R. & Dettinger, M. D. Changes toward earlier streamflow timing across western North America. J. Clim. 18, 1136–1155 (2005).

    Article  Google Scholar 

  6. Bunn, S. E. & Arthington, A. H. Basic principles and ecological consequences of altered flow regimes for aquatic biodiversity. Environ. Manag. 30, 492–507 (2002).

    Article  Google Scholar 

  7. Budyko, M. I. & Miller, D. H. Climate and Life Vol 508 (Academic, 1974).

    Google Scholar 

  8. Milly, P. C. D. et al. Stationarity is dead: Whither water management? Science 319, 573–574 (2008).

    CAS  Article  Google Scholar 

  9. Koutsoyiannis, D. HESS opinions ‘A random walk on water’. Hydrol. Earth Syst. Sci. 14, 585–601 (2010).

    Article  Google Scholar 

  10. Laternser, M. & Schneebeli, M. Long-term snow climate trends of the Swiss Alps (1931–99). Int. J. Climatol. 23, 733–750 (2003).

    Article  Google Scholar 

  11. Hamlet, A. F., Mote, P. W., Clark, M. P. & Lettenmaier, D. P. Effects of temperature and precipitation variability on snowpack trends in the Western US. J. Clim. 18, 4545–4561 (2005).

    Article  Google Scholar 

  12. Mote, P. W., Hamlet, A. F., Clark, M. P. & Lettenmaier, D. P. Declining mountain snowpack in western North America. Bull. Am. Meteorol. Soc. 86, 39–49 (2005).

    Article  Google Scholar 

  13. Barnett, T. P. et al. Human-induced changes in the hydrology of the western US. Science 319, 1080–1083 (2008).

    CAS  Article  Google Scholar 

  14. Godsey, S. E., Kirchner, J. W. & Tague, C. L. Effects of changes in winter snowpacks on summer low flows: Case studies in the Sierra Nevada, California, USA. Hydrological Processes (2013).

  15. Cayan, D. R., Dettinger, M. D., Kammerdiener, S. A., Caprio, J. M. & Peterson, D. H. Changes in the onset of spring in the western US. Bull. Am. Meteorol. Soc. 82, 399–415 (2001).

    Article  Google Scholar 

  16. Williams, C. A. et al. Climate and vegetation controls on the surface water balance: Synthesis of evapotranspiration measured across a global network of flux towers. Water Resour. Res. 48, W06523 (2012).

    Article  Google Scholar 

  17. Milly, P. C., Dunne, K. A. & Vecchia, A. V. Global pattern of trends in streamflow and water availability in a changing climate. Nature 438, 347–350 (2005).

    CAS  Article  Google Scholar 

  18. Bosson, E., Sabel, U., Gustafsson, L. G., Sassner, M. & Destouni, G. Influences of shifts in climate, landscape, and permafrost on terrestrial hydrology. J. Geophys. Res. 117, D05120 (2012).

    Article  Google Scholar 

  19. Zhang, L., Dawes, W. R. & Walker, G. R. Response of mean annual evapotranspiration to vegetation changes at catchment scale. Wat. Resour. Res. 37, 701–708 (2001).

    Article  Google Scholar 

  20. Destouni, G., Jaramillo, F. & Prieto, C. Hydroclimatic shifts driven by human water use for food and energy production. Nature Clim. Change 3, 213–217 (2012).

    Article  Google Scholar 

  21. Groisman, P. Y. et al. Contemporary changes of the hydrological cycle over the contiguous US: Trends derived from in situ observations. J. Hydrometeorol. 5, 64–85 (2004).

    Article  Google Scholar 

  22. Jarsjö, J., Asokan, S. M., Prieto, C., Bring, A. & Destouni, G. Hydrological responses to climate change conditioned by historic alterations of land-use and water-use. Hydrol. Earth Syst. Sci. 16, 1335–1347 (2012).

    Article  Google Scholar 

  23. van der Velde, Y., Lyon, S. W. & Destouni, G. Data-driven regionalization of river discharges and emergent land cover–evapotranspiration relationships across Sweden. J. Geophys. Res. Atmos. 118, 2576–2587 (2013).

    Article  Google Scholar 

  24. Viviroli, D., Dürr, H. H., Messerli, B., Meybeck, M. & Weingartner, R. Mountains of the world, water towers for humanity: Typology, mapping, and global significance. Wat. Resour. Res. 43, W07447 (2007).

    Article  Google Scholar 

  25. Schaake, J., Cong, S. & Duan, Q. The US MOPEX data set. IAHS Publication 307, 9–28 (2006).

    Google Scholar 

  26. Farnsworth, R. K. & Thompson, E. S. Mean monthly, seasonal, and annual pan evaporation for the US. US Department of Commerce, National Oceanic and Atmospheric Administration, National Weather Service (1983).

  27. Penman, H. L. Natural evaporation from open water, bare soil and grass. Proc. R. Soc. Ser. A 193, 120–145 (1948).

    CAS  Article  Google Scholar 

  28. Daly, C. et al. Physiographically sensitive mapping of climatological temperature and precipitation across the conterminous US. Int. J. Climat. 28, 2031–2064 (2008).

    Article  Google Scholar 

  29. Hock, R. Temperature index melt modelling in mountain areas. J. Hydrol. 282, 104–115 (2003).

    Article  Google Scholar 

  30. Groisman, P. Y. & Legates, D. R. The accuracy of United States precipitation data. Bull. Am. Meteorol. Soc. 75, 215–227 (1994).

    Article  Google Scholar 

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M. Durcik of SAHRA (University of Arizona) provided the version of the MOPEX datset used in this study.

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W.R.B. and R.A.W. designed the study; W.R.B. conducted all the analyses; all authors contributed to interpretations and writing the paper.

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Correspondence to W. R. Berghuijs.

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The authors declare no competing financial interests.

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Berghuijs, W., Woods, R. & Hrachowitz, M. A precipitation shift from snow towards rain leads to a decrease in streamflow. Nature Clim Change 4, 583–586 (2014).

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