Mar 2024 – Present · 2 yrs · Remote

May 2023 – May 2024 · 1 yr · Brisbane, Queensland, Australia · Remote

• leading the development of grazingDNDC model for use in Regrow’s Measurement Reporting and Verification (MRV) platform and MRV solutions for small holder rice systems.
• market expansion and protocols compliance (e.g., Verra, Gold Standard, ERF)
• soil carbon modeling, calibration and validation.

Jan 2022 – Present · 4 yrs 2 mos · Remote

• Provide serverless solutions for upscaling complex soil carbon models

Sep 2020 – May 2023 · 2 yrs 8 mos · Brisbane, Queensland, Australia

• Develop the “Measure-Model-Verify” (MMV) platform integrating field measurements, remote sensing, soil C modelling and verification for annual quantification of soil C change (MLA/AgriMix).
• Evaluate and improve a suite of soil C models, including FullCAM, DayCent, APSIM, DSSAT, RothC, SOCRATES for use in Australian rangelands and cropping systems (MLA/AgriMix).
• Review the 2021 Soil Carbon Credit Determination method for the Clean Energy Regulator. Develop a soil carbon calculator for the federal Clean Energy Regulator (DISER).
• Model soil carbon dynamics of grasslands through the integration of simulation models, remote sensing, statistical modelling, and deep learning including the development of auto-calibration and validation algorithms (MLA/AgriMix).
• Integration of Botanal, UAV, and satellite-based remote sensing data to predict pasture biomass, species composition, and biomass quality, including computer-vision algorithms to analyze drone imagery (MLA/AgriMix).
• Field surveys to identify the locations and extent of pasture dieback in Qld (MLA).
• Spatial analysis of pasture dieback infestation in Queensland using remote sensing and unmanned UAV imagery (MLA).
• Identify potential greenhouse gas mitigation pathways for implementing National Determined Commitments for Vietnam(ACIAR).
• Collaborate with research groups across universities, industry, and government organizations for pasture dieback, remote sensing, AI in agriculture, and soil C-related research.
• Co-supervise Ph.D. and master's students.
• Develop proposals for grants and funding.
• Develop and publish high-quality peer-review papers.

Sep 2018 – Sep 2020 · 2 yrs · Fort Collins, Colorado, United States

• Project 1: Bioenergy Alliance Network of the Rockies (BANR) project (funded by the United States Department of Agriculture)
• Calibrating the DayCent and Forest Vegetation Simulator models to be used for Lodgepole pine in Central USA.
• Conducting life cycle assessments of beetle-killed woody biomass feedstock for drop-in biofuels.
• Spatial optimization of woody biomass production and woody biomass supply chain for biofuels.
• Linking different project components (feedstock mapping, logistics, techno-economics, and environment) to create a web-based decision support platform.
• Writing research proposals and scientific papers for the related work.
• Project 2: Thinning southern pine for biofuels (funded by Shell Oil Company)
• Developing DayCent’s tree-growth submodel for Loblolly pine in the southern USA.
• Conducting regional analysis on the sustainability of using Loblolly pine forest’s thinning products for biofuels
• Project 3: The Center for Bioenergy Innovation (CBI)’s Economics and Sustainability of cellulosic biofuels (funded by the United States Department of Energy).
• Calibrating DAYCENT model for switchgrass and poplar species.
• Conducting landscape analysis to evaluate and understand the impacts of the two CBI feedstocks to identify the largest economic and sustainability drivers over diverse scale and siting considerations.
• Linking high-resolution modeling of feedstock production landscape with life cycle assessment and techno-economic analysis for strategic and operational decision-making.
• Project 4: Argonne National Laboratory’s landscape-based LCA framework for sustainable feedstock production (funded by the United States Department of Agriculture)
• Developing a landscape LCA modeling framework.
• Demonstrating the landscape LCA modeling framework with a case study of corn-soybean rotation in Iowa state.
• Submitting a manuscript to a journal regarding framework development and case study results.

Jan 2014 – Jan 2015 · 1 yr · Greater Houston

• Modeling biomass production and environmental impacts of a variety of crop-based biofuel feedstock production systems under various management scenarios.
• Conducting spatially-explicit analyses to examine the sustainability of biofuel feedstock production.
• Working in collaboration with colleagues at the Shell Biodomain to develop a new framework to optimize land use change and feedstock production for biofuels (ESLUCO) (more details)
• Developing a modeling tool to facilitate applications of the ESLUCO framework.
• Publishing the framework and related methodologies in high impact scientific journals.
• Presenting and communicating the project outcomes at internal and external conferences.

Aug 2011 – Aug 2018 · 7 yrs · Fort Collins, Colorado, United States

• Using integrated simulation models to facilitate life-cycle-based assessments of large agricultural landscapes.
• Conducting high-resolution trade-off analysis and optimization of ecosystem services and disservices in South Platte River basin, Colorado, U.S.A.
• Conducting high-resolution multi-objective optimization of dual-feedstock landscape design for Front Range Energy, Windsor, Colorado, U.S.A.
• Metamodeling DayCent model using neural network and linking the trained networks with genetic optimization to optimize corn stover removal rates for eastern Colorado.
• Calibrating the DayCent tree growth submodel using literature and experimental data.
• Conducting life cycle assessment of Vietnam’s cassava-based ethanol, focusing on modeling carbon stock change due to cassava production as feedstock for biofuel.
• Parameterizing and calibrating Century model to simulate carbon stock changes for several annual and perennial crops, grasses, and forests.
• Setting up field experiments using isotope to quantify the fate of litter in different soil organisms to better understand the C and N dynamics between litter, soil and the atmosphere as affected by soil fauna and litter quality.
• Conducting greenhouse experiments to examine the effects of different biochar applications on soil properties, crop yields, and soil carbon storage
• Giving lectures on the state-of-the-art experimental techniques and methods in soil science.
• Preparing sample experiments and supervising students on their laboratory sections.

Jul 2011 – Aug 2018 · 7 yrs 1 mo · Fort Collins, Colorado, United States

Aug 2011 – Aug 2018 · 7 yrs · Fort Collins, Colorado, United States

Nov 2008 – Dec 2016 · 8 yrs 1 mo · Hue, Vietnam