the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Do changes in climate or vegetation regulate evapotranspiration and streamflow trends in water-limited basins?
Abstract. Interactions between climate change, vegetation, and soil regulate hydrological processes. In this study, it was assumed that vegetation type and extent remained fixed and unchanged throughout the study period, while the effective rooting depth (Ze) changed under climate change scenarios. Budyko's hydrological model was used to explore the impact of climate change and vegetation on evapotranspiration (E) and streamflow (Q) on the static vegetation rooting depth and the dynamic vegetation rooting depth. Results showed that both precipitation (P) and potential evapotranspiration (Ep) exhibited negative trends, which resulted in decreasing trends for dynamic Ze scenarios. Combined with climatic change, decreasing trends in Ze altered the partitioning of P into E and Q. For dynamic scenarios, total E and Q were predicted to be −1.73 and 28.22%, respectively, greater than static scenarios. Although climate change regulated changes in E and Q, the response of Ze to climate change had a greater overall contribution to changes in hydrological processes. Results from this study suggest that with the exception of vegetation type and extent, Ze scenarios were able to alter water balances, which in itself should help to regulate climate change impacts on water resources.
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RC C4980: 'Potentially interesting experimental set-up, but methods are poorly explained and conclusions not well-founded.', Anonymous Referee #1, 09 Nov 2014
- AC C5608: 'Response Notes for comments 1', Qiang Liu, 10 Dec 2014
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RC C5138: 'Review of "Do climatic or vegetation changes control the evapotranspiration and streamflow trends in the water-limited basins"', Anonymous Referee #2, 17 Nov 2014
- AC C5617: 'Response notes for comments2', Qiang Liu, 10 Dec 2014
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EC C5651: 'Editorial suggestions', Bart van den Hurk, 12 Dec 2014
- AC C5687: 'The response note for manuscripts', Qiang Liu, 15 Dec 2014
- EC C5762: 'Editor decision', Bart van den Hurk, 19 Dec 2014
- AC C6023: 'Response note for the comments', Qiang Liu, 10 Jan 2015
-
RC C4980: 'Potentially interesting experimental set-up, but methods are poorly explained and conclusions not well-founded.', Anonymous Referee #1, 09 Nov 2014
- AC C5608: 'Response Notes for comments 1', Qiang Liu, 10 Dec 2014
-
RC C5138: 'Review of "Do climatic or vegetation changes control the evapotranspiration and streamflow trends in the water-limited basins"', Anonymous Referee #2, 17 Nov 2014
- AC C5617: 'Response notes for comments2', Qiang Liu, 10 Dec 2014
-
EC C5651: 'Editorial suggestions', Bart van den Hurk, 12 Dec 2014
- AC C5687: 'The response note for manuscripts', Qiang Liu, 15 Dec 2014
- EC C5762: 'Editor decision', Bart van den Hurk, 19 Dec 2014
- AC C6023: 'Response note for the comments', Qiang Liu, 10 Jan 2015
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