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Conceptualizing green water within the planetary boundary for freshwater use

Tobian, Arne LU (2019) In Student thesis series INES NGEM01 20182
Dept of Physical Geography and Ecosystem Science
Abstract
Anthropogenic land-use covers a constantly increasing fraction of the terrestrial surface area. By employing a dynamic global vegetation model, human-induced changes in the terrestrial water balance as compared to an undisturbed scenario were simulated. The results suggest that humanity is a main driver of change in the terrestrial water balance in general and green water in particular. Most striking is the shift from biophysical plant transpiration to purely physical soil evaporation caused by deforestation. This intervention into the terrestrial water vapor flux has strong implications for regional and continental moisture recycling and can contribute towards reaching potential tipping points in the Earth system. All things considered,... (More)
Anthropogenic land-use covers a constantly increasing fraction of the terrestrial surface area. By employing a dynamic global vegetation model, human-induced changes in the terrestrial water balance as compared to an undisturbed scenario were simulated. The results suggest that humanity is a main driver of change in the terrestrial water balance in general and green water in particular. Most striking is the shift from biophysical plant transpiration to purely physical soil evaporation caused by deforestation. This intervention into the terrestrial water vapor flux has strong implications for regional and continental moisture recycling and can contribute towards reaching potential tipping points in the Earth system. All things considered, this study evaluates a qualitative and quantitative fundament of accounting for green water within the Planetary Boundary for Freshwater use to help preventing detrimental and unacceptable human interferences with the terrestrial water cycle. (Less)
Please use this url to cite or link to this publication:
author
Tobian, Arne LU
supervisor
organization
course
NGEM01 20182
year
type
H2 - Master's Degree (Two Years)
subject
keywords
green water, planetary boundaries, land use modelling, physical geography, ecosystem analysis
publication/series
Student thesis series INES
report number
492
language
English
additional info
External supervisor: Prof. Dieter Gerten, Potsdam Institute for Climate Impact Research (PIK), RD1: Earth System Analysis
id
8992688
date added to LUP
2019-08-21 19:36:43
date last changed
2019-08-21 19:36:43
@misc{8992688,
  abstract     = {{Anthropogenic land-use covers a constantly increasing fraction of the terrestrial surface area. By employing a dynamic global vegetation model, human-induced changes in the terrestrial water balance as compared to an undisturbed scenario were simulated. The results suggest that humanity is a main driver of change in the terrestrial water balance in general and green water in particular. Most striking is the shift from biophysical plant transpiration to purely physical soil evaporation caused by deforestation. This intervention into the terrestrial water vapor flux has strong implications for regional and continental moisture recycling and can contribute towards reaching potential tipping points in the Earth system. All things considered, this study evaluates a qualitative and quantitative fundament of accounting for green water within the Planetary Boundary for Freshwater use to help preventing detrimental and unacceptable human interferences with the terrestrial water cycle.}},
  author       = {{Tobian, Arne}},
  language     = {{eng}},
  note         = {{Student Paper}},
  series       = {{Student thesis series INES}},
  title        = {{Conceptualizing green water within the planetary boundary for freshwater use}},
  year         = {{2019}},
}