The biophysical link between climate, water, and vegetation in bioenergy agro-ecosystems

Justin E. Bagley, Sarah C. Davis, Matei Georgescu, Mir Zaman Hussain, Jesse Miller, Stephen W. Nesbitt, Andy VanLoocke, Carl J. Bernacchi

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Land use change for bioenergy feedstocks is likely to intensify as energy demand rises simultaneously with increased pressure to minimize greenhouse gas emissions. Initial assessments of the impact of adopting bioenergy crops as a significant energy source have largely focused on the potential for bioenergy agroecosystems to provide global-scale climate regulating ecosystem services via biogeochemical processes. Such as those processes associated with carbon uptake, conversion, and storage that have the potential to reduce global greenhouse gas emissions (GHG). However, the expansion of bioenergy crops can also lead to direct biophysical impacts on climate through water regulating services. Perturbations of processes influencing terrestrial energy fluxes can result in impacts on climate and water across a spectrum of spatial and temporal scales. Here, we review the current state of knowledge about biophysical feedbacks between vegetation, water, and climate that would be affected by bioenergy-related land use change. The physical mechanisms involved in biophysical feedbacks are detailed, and interactions at leaf, field, regional, and global spatial scales are described. Locally, impacts on climate of biophysical changes associated with land use change for bioenergy crops can meet or exceed the biogeochemical changes in climate associated with rising GHG's, but these impacts have received far less attention. Realization of the importance of ecosystems in providing services that extend beyond biogeochemical GHG regulation and harvestable yields has led to significant debate regarding the viability of various feedstocks in many locations. The lack of data, and in some cases gaps in knowledge associated with biophysical and biochemical influences on land-atmosphere interactions, can lead to premature policy decisions.

Original languageEnglish (US)
Pages (from-to)187-201
Number of pages15
JournalBiomass and Bioenergy
Volume71
DOIs
StatePublished - Dec 1 2014

Fingerprint

bioenergy
Gas emissions
Greenhouse gases
Land use
Ecosystems
Crops
energy crops
greenhouse gas emissions
land use change
climate
Feedstocks
vegetation
ecosystems
ecosystem
feedstocks
ecosystem services
Feedback
Water
energy
greenhouse gas

Keywords

  • Bioenergy production
  • Biophysical climate feedbacks
  • Ecosystem-atmosphere interactions
  • Land use change
  • Land-atmosphere interactions

ASJC Scopus subject areas

  • Agronomy and Crop Science
  • Forestry
  • Renewable Energy, Sustainability and the Environment
  • Waste Management and Disposal

Cite this

Bagley, J. E., Davis, S. C., Georgescu, M., Hussain, M. Z., Miller, J., Nesbitt, S. W., ... Bernacchi, C. J. (2014). The biophysical link between climate, water, and vegetation in bioenergy agro-ecosystems. Biomass and Bioenergy, 71, 187-201. https://doi.org/10.1016/j.biombioe.2014.10.007

The biophysical link between climate, water, and vegetation in bioenergy agro-ecosystems. / Bagley, Justin E.; Davis, Sarah C.; Georgescu, Matei; Hussain, Mir Zaman; Miller, Jesse; Nesbitt, Stephen W.; VanLoocke, Andy; Bernacchi, Carl J.

In: Biomass and Bioenergy, Vol. 71, 01.12.2014, p. 187-201.

Research output: Contribution to journalArticle

Bagley, JE, Davis, SC, Georgescu, M, Hussain, MZ, Miller, J, Nesbitt, SW, VanLoocke, A & Bernacchi, CJ 2014, 'The biophysical link between climate, water, and vegetation in bioenergy agro-ecosystems', Biomass and Bioenergy, vol. 71, pp. 187-201. https://doi.org/10.1016/j.biombioe.2014.10.007
Bagley, Justin E. ; Davis, Sarah C. ; Georgescu, Matei ; Hussain, Mir Zaman ; Miller, Jesse ; Nesbitt, Stephen W. ; VanLoocke, Andy ; Bernacchi, Carl J. / The biophysical link between climate, water, and vegetation in bioenergy agro-ecosystems. In: Biomass and Bioenergy. 2014 ; Vol. 71. pp. 187-201.
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