Olli Varis

Aalto Distinguished Professor

Research outputs

  1. 2019
  2. Published

    The Planet's Stressed River Basins : Too Much Pressure or Too Little Adaptive Capacity?

    Varis, O., Taka, M. & Kummu, M., 1 Oct 2019, In : Earth's Future. 7, 10, p. 1118-1135 18 p.

    Research output: Contribution to journalArticleScientificpeer-review

  3. Published

    Integrated assessment of resource-energy-environment nexus in China's iron and steel industry

    Zhang, S., Yi, B-W., Worrell, E., Wagner, F., Crijns-Graus, W., Purohit, P., Wada, Y. & Varis, O., 20 Sep 2019, In : Journal of Cleaner Production. 232, p. 235-249 15 p.

    Research output: Contribution to journalArticleScientificpeer-review

  4. Published

    Rural-Urban Migration and the Growth of Informal Settlements : A Socio-Ecological System Conceptualization with Insights Through a "Water Lens"

    Niva, V., Taka, M. & Varis, O., 2 Jun 2019, In : Sustainability . 11, 12, 16 p., 3487.

    Research output: Contribution to journalArticleScientificpeer-review

  5. Published

    The demanding quest for harmony : China's polarizing freshwater resilience map

    Varis, O. & Kummu, M., 13 May 2019, In : Environmental Research Letters. 14, 5, 9 p., 054015.

    Research output: Contribution to journalArticleScientificpeer-review

  6. Published

    Can There be Water Scarcity with Abundance of Water? Analyzing Water Stress during a Severe Drought in Finland

    Ahopelto, L., Veijalainen, N., Guillaume, J. H. A., Keskinen, M., Marttunen, M. & Varis, O., 2 Mar 2019, In : Sustainability . 11, 6, 18 p., 1548.

    Research output: Contribution to journalArticleScientificpeer-review

  7. 2018
  8. Published

    Impacts of urbanization on water use and energy-related CO2 emissions of residential consumption in China : A spatio-temporal analysis during 2003-2012

    Cai, J., Yin, H. & Varis, O., 1 Sep 2018, In : Journal of Cleaner Production. 194, p. 23-33 11 p.

    Research output: Contribution to journalArticleScientificpeer-review

  9. Published

    Towards resilient flood risk management for Asian coastal cities: Lessons learned from Hong Kong and Singapore

    Chan, F. K. S., Chuah, C. J., Ziegler, A. D., Dąbrowski, M. & Varis, O., 20 Jun 2018, In : Journal of Cleaner Production. 187, p. 576-589 14 p.

    Research output: Contribution to journalArticleScientificpeer-review

  10. Published

    Greenhouse gas emissions of hydropower in the Mekong River Basin

    Räsänen, T. A., Varis, O., Scherer, L. & Kummu, M., 1 Mar 2018, In : Environmental Research Letters. 13, 3, 034030.

    Research output: Contribution to journalArticleScientificpeer-review

  11. Published

    Corrigendum to 'Sediment-related impacts due to upstream reservoir trapping, the Lower Mekong River' (vol 85, pg 275, 2007)

    Kummu, M. & Varis, O., 15 Feb 2018, 1 p. Elsevier.

    Research output: Other contributionScientificpeer-review

  12. Published

    Discussion of "Challenges in operationalizing the water-energy-food nexus"

    Varis, O. & Keskinen, M., 2018, In : HYDROLOGICAL SCIENCES JOURNAL-JOURNAL DES SCIENCES HYDROLOGIQUES. 63, 12, p. 1863-1865 3 p.

    Research output: Contribution to journalEditorialScientificpeer-review

  13. Published
  14. Published

    Population Megatrends and Water Management

    Varis, O., 2018, Assessing Global Water Megatrends. p. 41-59 19 p. (Water Resources Development and Management).

    Research output: Chapter in Book/Report/Conference proceedingChapterScientificpeer-review

  15. 2017
  16. Published

    Bringing it all together : linking measures to secure nations’ food supply

    Kummu, M., Fader, M., Gerten, D., Guillaume, J. HA., Jalava, M., Jägermeyr, J., Pfister, S., Porkka, M., Siebert, S. & Varis, O., 1 Dec 2017, In : Current Opinion in Environmental Sustainability. 29, p. 98-117 20 p.

    Research output: Contribution to journalReview ArticleScientificpeer-review

  17. Published

    China’s water resources vulnerability: A spatio-temporal analysis during 2003-2013

    Cai, J., Varis, O. & Yin, H., 2017, In : Journal of Cleaner Production. 142, p. 2901-2910 10 p.

    Research output: Contribution to journalArticleScientificpeer-review

  18. Published

    Four dimensions of water security with a case of the indirect role of water in global food security

    Varis, O., Keskinen, M. & Kummu, M., 2017, In : Water Security. 1, p. 36-45 10 p.

    Research output: Contribution to journalArticleScientificpeer-review

  19. 2016
  20. Published

    Impacts of industrial transition on water use intensity and energy-related carbon intensity in China: A spatio-temporal analysis during 2003–2012

    Cai, J., Yin, H. & Varis, O., 1 Dec 2016, In : Applied Energy. 183, p. 1112-1122 11 p.

    Research output: Contribution to journalArticleScientificpeer-review

  21. Published

    Water-energy-food nexus in Large Asian River Basins

    Keskinen, M. & Varis, O., 12 Oct 2016, In : WATER. 8, 10, 446.

    Research output: Contribution to journalEditorialScientificpeer-review

  22. Published

    Potential and pitfalls of frugal innovation in the water sector: Insights from Tanzania to global value chains

    Hyvärinen, A., Keskinen, M. & Varis, O., 2 Sep 2016, In : SUSTAINABILITY. 8, 9, p. 1-16 16 p., 888.

    Research output: Contribution to journalArticleScientificpeer-review

  23. Published

    Managing the water-energy-food nexus: Gains and losses from new water development in Amu Darya River Basin

    Jalilov, S. M., Keskinen, M., Varis, O., Amer, S. & Ward, F. A., 1 Aug 2016, In : Journal of Hydrology. 539, p. 648-661 14 p.

    Research output: Contribution to journalArticleScientificpeer-review

  24. Published

    Reductionist and integrative research approaches to complex water security policy challenges

    Zeitoun, M., Lankford, B., Krueger, T., Forsyth, T., Carter, R., Hoekstra, A. Y., Taylor, R., Varis, O., Cleaver, F., Boelens, R. & 5 others, Swatuk, L., Tickner, D., Scott, C. A., Mirumachi, N. & Matthews, N., 1 Jul 2016, In : Global Environmental Change: Human and Policy Dimensions. 39, p. 143-154 12 p.

    Research output: Contribution to journalArticleScientificpeer-review

  25. Published

    The vulnerability of thermoelectric power generation to water scarcity in China: Current status and future scenarios for power planning and climate change

    Zheng, X., Wang, C., Cai, W., Kummu, M. & Varis, O., 1 Jun 2016, In : Applied Energy. 171, p. 444-455 12 p.

    Research output: Contribution to journalArticleScientificpeer-review

  26. Published

    Introduction: Water and security in central Asia-solving a rubik's cube

    Stucki, V., Wegerich, K., Rahaman, M. M. & Varis, O., 8 Apr 2016, Water and Security in Central Asia: Solving a Rubik's Cube. p. 1-3 3 p.

    Research output: Chapter in Book/Report/Conference proceedingForeword / postscriptScientificpeer-review

  27. Published

    The major central asian river basins: An assessment of vulnerability

    Varis, O. & Kummu, M., 8 Apr 2016, Water and Security in Central Asia: Solving a Rubik's Cube. p. 39-58 20 p.

    Research output: Chapter in Book/Report/Conference proceedingChapterScientificpeer-review

  28. Published

    Water and security in Central Asia: Solving a Rubik's Cube

    Stucki, V., Wegerich, K., Rahaman, M. M. & Varis, O., 8 Apr 2016, 187 p.

    Research output: Book/ReportBook

  29. Published

    An evaluation of the Standardized Precipitation Index for assessing inter-annual rice yield variability in the Ganges-Brahmaputra-Meghna region

    Kattelus, M., Salmivaara, A., Mellin, I., Varis, O. & Kummu, M., 1 Apr 2016, In : INTERNATIONAL JOURNAL OF CLIMATOLOGY. 36, 5, p. 2210-2222 13 p.

    Research output: Contribution to journalArticleScientificpeer-review

  30. Published

    Over the hills and further away from coast: Global geospatial patterns of human and environment over the 20th-21st centuries

    Kummu, M., De Moel, H., Salvucci, G., Viviroli, D., Ward, P. J. & Varis, O., 3 Mar 2016, In : Environmental Research Letters. 11, 3, 15 p., 034010.

    Research output: Contribution to journalArticleScientificpeer-review

  31. Published

    Diet change and food loss reduction: What is their combined impact on global water use and scarcity?

    Jalava, M., Guillaume, J. H. A., Kummu, M., Porkka, M., Siebert, S. & Varis, O., Mar 2016, In : Earth's Future. 4, 3, p. 62-78 17 p.

    Research output: Contribution to journalArticleScientificpeer-review

  32. Published

    Facilitating bricolage through more organic institutional designs? The case of water users’ associations in rural Nepal

    Haapala, J., Rautanen, S-L., White, P., Keskinen, M. & Varis, O., 2016, In : THE INTERNATIONAL JOURNAL OF THE COMMONS. 10, 2, p. 1172–1201 30 p.

    Research output: Contribution to journalArticleScientificpeer-review

  33. Published

    Riskit hallintaan vesi-energia-ruoka –nexuksen avulla?

    Keskinen, M., Rekolainen, S., Sojamo, S. & Varis, O., 2016, In : VESITALOUS. 57, 4, p. 24-26

    Research output: Contribution to journalArticleProfessional

  34. Published

    Socio-Economic Changes in Cambodia’s Unique Tonle Sap Lake Area: A Spatial Approach

    Salmivaara, A., Kummu, M., Varis, O. & Keskinen, M., 2016, In : APPLIED SPATIAL ANALYSIS AND POLICY. 9, 3, p. 413-432 20 p.

    Research output: Contribution to journalArticleScientificpeer-review

  35. Published

    The water-energy-food nexus and the transboundary context: Insights from large Asian rivers

    Keskinen, M., Guillaume, J. H. A., Kattelus, M., Porkka, M., Räsänen, T. A. & Varis, O., 2016, In : WATER. 8, 5, p. 1-25 193.

    Research output: Contribution to journalArticleScientificpeer-review

  36. 2015
  37. Published

    China’s southbound transboundary river basins: a case of asymmetry

    Kattelus, M., Kummu, M., Keskinen, M., Salmivaara, A. & Varis, O., 2015, In : Water International. 40, 1, p. 113-118

    Research output: Contribution to journalArticleScientificpeer-review

  38. Published

    Exploring the Modifiable Areal Unit Problem in Spatial Water Assessments: A Case of Water Shortage in Monsoon Asia

    Salmivaara, A., Porkka, M., Kummu, M., Keskinen, M., Guillaume, J. H. A. & Varis, O., 2015, In : WATER. 7, 3, p. 898-917

    Research output: Contribution to journalArticleScientificpeer-review

  39. Published

    Hydropower development in Myanmar and its implications on regional energy cooperation

    Kattelus, M., Rahaman, M. M. & Varis, O., 2015, In : International Journal of Sustainable Society. 7, 1, p. 42-66

    Research output: Contribution to journalArticleScientificpeer-review

  40. Published

    Sharing benefits in transboundary rivers: an experimental case study of Central Asian water-energy-agriculture nexus

    Jalilov, S-M., Varis, O. & Keskinen, M., 2015, In : WATER. 7, 9, p. 4778-4805

    Research output: Contribution to journalArticleScientificpeer-review

  41. Published

    Transferable Principles for Managing the Nexus: Lessons from Historical Global Water Modelling of Central Asia

    Guillaume, J. H. A., Kummu, M., Eisner, S. & Varis, O., 2015, In : WATER. 7, 8, p. 4200-4231

    Research output: Contribution to journalArticleScientificpeer-review

  42. 2014
  43. Published

    Climate-driven interannual variability of water scarcity in food production potential: A global analysis

    Kummu, M., Gerten, D., Heinke, J., Konzmann, M. & Varis, O., 5 Feb 2014, In : Hydrology and Earth System Sciences. 18, 2, p. 447-461 15 p.

    Research output: Contribution to journalArticleScientificpeer-review

  44. Published

    A conceptual model to guide exploration of global food-water security

    Guillaume, J. H. A., Kummu, M., Porkka, M. & Varis, O., 2014, 7th International Congress on Environmental Modelling and Software, San Diego, CA, USA, June 15-19, 2014. Ames, D. P., Quinn, N. W. T. & Rizzoli, A. E. (eds.). San Diego, California: International Environmental Modelling and Software Society (iEMSs), p. 2210-2217

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  45. Published

    China's stressed waters: Societal and environmental vulnerability in China's internal and transboundary river systems

    Varis, O., Kummu, M., Lehr, C. & Shen, D., 2014, In : Applied Geography. 53, p. 105-116

    Research output: Contribution to journalArticleScientificpeer-review

  46. Published

    Curb vast water use in central Asia

    Varis, O., 2014, In : Nature. 514, 7520, p. 27-29

    Research output: Contribution to journalComment/debateScientificpeer-review

  47. Published

    Diet change - a solution to reduce water use ?

    Jalava, M., Kummu, M., Porkka, M., Siebert, S. & Varis, O., 2014, In : Environmental Research Letters. 9, 7, p. 1-14 074016.

    Research output: Contribution to journalArticleScientificpeer-review

  48. Published

    Integrated Water Resources Management: Horizontal and vertical explorations and the “Water in All Policies” approach

    Varis, O., Enckell, K. & Keskinen, M., 2014, In : International Journal of Water Resources Development. 30, 3, p. 433-444

    Research output: Contribution to journalArticleScientificpeer-review

  49. Published

    Myanmar under reform: Emerging pressures on water, energy and food security

    Kattelus, M., Rahaman, M. M. & Varis, O., 2014, In : Natural Resources Forum. 38, 2, p. 85-98 14 p.

    Research output: Contribution to journalArticleScientificpeer-review

  50. Published

    Myanmar under reform: Emerging pressures along the water - energy - food nexus

    Kattelus, M., Rahaman, M. M. & Varis, O., 2014, In : Natural Resources Forum. 38, 2, p. 85-98

    Research output: Contribution to journalArticleScientificpeer-review

  51. Published

    The Unfolding Water Drama in the Anthropocene: towards a resilience based perspective on water for global sustainability

    Rockström, J., Falkenmark, M., Allan, T., Folke, C., Gordon, L., Jägerskog, A., Kummu, M., Lannerstad, M., Meybeck, M., Molden, D. & 5 others, Postel, S., Savenije, H., Svedin, U., Turton, A. & Varis, O., 2014, In : JOURNAL OF HYDROLOGIC ENGINEERING. 7, 5, p. 1249-1261

    Research output: Contribution to journalArticleScientificpeer-review

  52. 2013
  53. Published

    From food insufficiency towards trade dependency: a historical analysis of global food availability

    Porkka, M., Kummu, M., Siebert, S. & Varis, O., 2013, In : PloS one. 8, 12, p. 1-12 e82714.

    Research output: Contribution to journalArticleScientificpeer-review

  54. Published

    From food insufficiency towards trade dependency: A historical analysis of global food system

    Porkka, M., Kummu, M., Siebert, S. & Varis, O., 2013, p. poster.

    Research output: Working paperProfessional

  55. Published

    Keski-Aasian vesihaasteet katse eteenpäin

    Varis, O., 2013, In : VESITALOUS. 54, 5, p. 27-30

    Research output: Contribution to journalArticleScientific

  56. Published

    Onko suomalaisen mahdollista vaikuttaa vesivarojen ja ruoan riittävyyteen?

    Kummu, M. & Varis, O., 2013, In : VESITALOUS. 54, 4, p. 32-35

    Research output: Contribution to journalArticleScientific

  57. Published

    Using Global Datasets to Create Environmental Profiles for Data-Poor Regions A case from the Irrawaddy and Salween River Basins

    Salmivaara, A., Kummu, M., Keskinen, M. & Varis, O., 2013, In : Environmental Management. 51, 4, p. 897-911

    Research output: Contribution to journalArticleScientificpeer-review

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