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Hydrology and Earth System Sciences An interactive open-access journal of the European Geosciences Union
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Discussion papers
https://doi.org/10.5194/hess-2019-418
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/hess-2019-418
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Submitted as: opinion article 13 Sep 2019

Submitted as: opinion article | 13 Sep 2019

Review status
This discussion paper is a preprint. It is a manuscript under review for the journal Hydrology and Earth System Sciences (HESS).

HESS Opinions: Beyond the Long-term Water Balance: Evolving Budyko's Legacy for the Anthropocene towards a Global Synthesis of Land-surface Fluxes under Natural and Human-altered Watersheds

A. Sankarasubramanian1, Dingbao Wang2, Stacey Archfield3, Meredith Reitz3, Richard M. Vogel4, Amirhossein Mazrooei1, and Sudarshana Mukhopadhyaya1 A. Sankarasubramanian et al.
  • 1Department of Civil, Construction and Environmental Engineering, North Carolina State University, Raleigh, NC 27695
  • 2Department of Civil, Environmental, and Construction Engineering, University of Central Florida, Orlando, FL 32816
  • 3Water Mission Area, U.S. Geological Survey, Reston, VA 20192
  • 4Department of Civil and Environmental Engineering, Tufts University, Medford, MA 02155

Abstract. Global hydroclimatic conditions have been significantly altered over the past century by anthropogenic influences that arise from the warming global climate and also from local/regional anthropogenic disturbances. Traditionally, studies have used coupling of multiple models to understand how land-surface fluxes vary due to changes in global climatic patterns and local land-use changes. We argue that Budyko's framework that relies on the supply and demand concept could be effectively adapted and extended to quantify the role of drivers – both changing climate and local human disturbances – in altering the land-surface response across the globe. We review the Budyko framework along with potential extensions with an intent to further the applicability of the framework to emerging hydrologic questions. Challenges in extending the Budyko framework over various spatio-temporal scales and evaluating the water balance at these various scales with global data sets are also discussed.

A. Sankarasubramanian et al.
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