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Jasechko et al. reply.

Scott Jasechko1, Zachary D Sharp1, John J Gibson2

  • 1Department of Earth and Planetary Sciences, University of New Mexico, Albuquerque, New Mexico 87131, USA.

Nature
|February 14, 2014
PubMed
Summary
This summary is machine-generated.

Transpiration is the dominant process in the terrestrial water cycle, despite concerns about data uncertainty. Our analysis confirms transpiration

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Area of Science:

  • Earth and Environmental Sciences
  • Hydrology
  • Biogeochemistry

Background:

  • The terrestrial water cycle's dominant processes are debated.
  • Previous studies suggested a significant role for transpiration.

Purpose of the Study:

  • To address criticisms regarding the dominance of transpiration in the terrestrial water cycle.
  • To clarify the methodology and uncertainty analysis of our previous findings.

Main Methods:

  • Monte Carlo sensitivity analysis was employed.
  • Percentile ranges were used to report results, reflecting model nonlinearity.
  • Uncertainties in runoff, interception, and isotopic compositions were considered.

Main Results:

  • Our conclusion that transpiration dominates the terrestrial water cycle remains robust.
  • Uncertainty ranges were clearly presented in the original study.
  • Significant uncertainties persist, especially in humid regions.

Conclusions:

  • The dominance of transpiration in the terrestrial water cycle is supported by our analysis.
  • Methodological transparency and uncertainty reporting were maintained.
  • Further research is needed to refine estimates in complex hydrological systems.