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Tan, Z., Liu, S., Bliss, N.B., and Tieszen, L.L., 2012, Current and potential sustainable corn stover feedstock for biofuel production in the United States: Biomass & Bioenergy, v. 47, p. 372-386.

Wu, Y., and Liu, S., 2012, Automating calibration, sensitivity and uncertainty analysis of complex models using the R package Flexible Modeling Environment (FME)—SWAT as an example: Environmental Modelling and Software, v. 31, p. 99-109.

Wu, Y., and Liu, S., 2012, Impacts of biofuels production alternatives on water quantity and quality in the Iowa River basin: Biomass & Bioenergy, v. 36, p. 182-191.

Wu, Y., and Liu, S., 2012, Modeling of land use and reservoir effects on nonpoint source pollution in a highly agricultural basin: Journal of Environmental Monitoring, v. 14, no. 9, p. 2350-2361.

Biofuels

Pareto optimal biomass production frontier (Pareto optimal points in blue) in the James River Basin in the Midwest of the United States. The frontier shows maximized biomass production and minimized nitrogen load in biofuel production portfolios in the region.
Pareto optimal biomass production frontier (Pareto optimal points in blue) in
the James River Basin in the Midwest of the United States. The frontier shows
maximized biomass production and minimized nitrogen load in biofuel
production portfolios in the region.
The increasing use of biomass for alternative fuels has the potential to change land use and agricultural sustainability, degrade habitat and water quality, and impact other ecosystem services. A holistic approach that defines appropriate supply functions for ecosystem goods (e.g., biofuels) is needed to optimize land use while minimizing adverse consequences of land use change related to biodiversity and habitats, soil degradation, water quality, and other ecosystem services. The overarching goal of the project is to quantify and assess multi-scale effects of land-use and climate change on a variety of ecosystem processes and services including economic profitability, biogeochemical cycling (e.g., carbon sequestration), greenhouse gas emissions, transport of materials to major water bodies (e.g., nutrient, pesticide, and sediment), and quantity and quality of habitat for biodiversity. This work builds upon integration and refinement of existing models and ongoing research in USGS, NASA, USDA, and other collaborative institutions.

Principal Investigator: Shuguang (Leo) Liu, sliu@usgs.gov, EROS Center, Sioux Falls, SD

Project Team: Rocky Wu, Terry Tan

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