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Title: Visualizing feedstock siting in biomass production: Tradeoffs between economic and water quality objectives

Abstract

New domestic, renewable energy resources must be considered to increase energy security in the U.S. Ethanol production through second-generation (cellulosic) feedstocks will help the U.S. meet the legislative Renewable Fuel Standard, which mandates 36 billion gallons of renewable fuels by 2022. Yet, conversion of cropland to meet the cellulosic feedstock production goals may have unforeseen environmental consequences. Here, using Soil Water Assessment Tool (SWAT) outputs and National Agricultural Statistics Service (USDA NASS) economic data, we conducted a spatial optimization of bioenergy feedstock introduction into the Arkansas White-Red River Basin based on water quality and economic objectives, subject to constraints on total land conversion. Results displayed tradeoffs between bioenergy yield for three crops (switchgrass, sorghum and poplar) and land rent objectives. Optimal solutions tended to prioritize conversion of land in eastern AWR subbasins where yield and water quality objective improvements were greatest. A small number of subbasins contributed to basin-wide water quality improvements, whereas subbasins contributing to economic benefits were more spatially dispersed, indicating that water quality responses are more likely to constrain feedstock placement. Biomass production targets can be met vianumerous spatial arrangements, whereas marginal improvement in water quality objectives can best be achieved by selectively siting perennial feedstocks inmore » the eastern half of the region.« less

Authors:
 [1];  [2]; ORCiD logo [3]
  1. Univ. of North Carolina, Chapel Hill, NC (United States)
  2. NASA Jet Propulsion Lab., Pasadena, CA (United States)
  3. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Bioenergy Technologies Office (EE-3B)
OSTI Identifier:
1564242
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
Land Use Policy
Additional Journal Information:
Journal Volume: 88; Journal Issue: C; Journal ID: ISSN 0264-8377
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
09 BIOMASS FUELS; Multi-objective; Spatial; Optimization; Bioenergy; Water; Quality

Citation Formats

Gorelick, David E., Baskaran, Latha M., and Jager, Henriëtte I. Visualizing feedstock siting in biomass production: Tradeoffs between economic and water quality objectives. United States: N. p., 2019. Web. doi:10.1016/j.landusepol.2019.104201.
Gorelick, David E., Baskaran, Latha M., & Jager, Henriëtte I. Visualizing feedstock siting in biomass production: Tradeoffs between economic and water quality objectives. United States. doi:10.1016/j.landusepol.2019.104201.
Gorelick, David E., Baskaran, Latha M., and Jager, Henriëtte I. Fri . "Visualizing feedstock siting in biomass production: Tradeoffs between economic and water quality objectives". United States. doi:10.1016/j.landusepol.2019.104201.
@article{osti_1564242,
title = {Visualizing feedstock siting in biomass production: Tradeoffs between economic and water quality objectives},
author = {Gorelick, David E. and Baskaran, Latha M. and Jager, Henriëtte I.},
abstractNote = {New domestic, renewable energy resources must be considered to increase energy security in the U.S. Ethanol production through second-generation (cellulosic) feedstocks will help the U.S. meet the legislative Renewable Fuel Standard, which mandates 36 billion gallons of renewable fuels by 2022. Yet, conversion of cropland to meet the cellulosic feedstock production goals may have unforeseen environmental consequences. Here, using Soil Water Assessment Tool (SWAT) outputs and National Agricultural Statistics Service (USDA NASS) economic data, we conducted a spatial optimization of bioenergy feedstock introduction into the Arkansas White-Red River Basin based on water quality and economic objectives, subject to constraints on total land conversion. Results displayed tradeoffs between bioenergy yield for three crops (switchgrass, sorghum and poplar) and land rent objectives. Optimal solutions tended to prioritize conversion of land in eastern AWR subbasins where yield and water quality objective improvements were greatest. A small number of subbasins contributed to basin-wide water quality improvements, whereas subbasins contributing to economic benefits were more spatially dispersed, indicating that water quality responses are more likely to constrain feedstock placement. Biomass production targets can be met vianumerous spatial arrangements, whereas marginal improvement in water quality objectives can best be achieved by selectively siting perennial feedstocks in the eastern half of the region.},
doi = {10.1016/j.landusepol.2019.104201},
journal = {Land Use Policy},
number = C,
volume = 88,
place = {United States},
year = {2019},
month = {9}
}

Journal Article:
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This content will become publicly available on September 6, 2020
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