Ping Chen

Understanding coupled chemical-mechanical behaviors in minerals

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Xin Zhang

Project type

Contracted Time

This proposal aims to develop a comprehensive, unified understanding of how applied stress and interfacial chemistry couple to define mineral nanoparticle dissolution, recrystallization, and…

Improve predictive understanding of soil carbon cycling by characterizing composition, distribution, and persistence of soil organic matter using 3-D nanoscale mass spectrometric imaging and machine learning

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Zihua Zhu

Machine learning (ML) methods will be used to quantitatively determine relationships between soil organic matter (SOM) composition, mass fraction and reactivity and SOM-mineral interactions…

Understanding Mechanisms Coupling the Fates of Iron Oxides, Organic Matter, and Micronutrient Metals at Redox Hot Spots

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Kevin Rosso

Project type

Large-Scale EMSL Research

Iron (oxyhydr)oxide minerals are ubiquitous in soils and sediments and play an commanding role in nutrient cycling, microbial metabolism, carbon protection, and contaminant immobilization. Among them…

Projects

Understanding coupled chemical-mechanical behaviors in minerals

Improve predictive understanding of soil carbon cycling by characterizing composition, distribution, and persistence of soil organic matter using 3-D nanoscale mass spectrometric imaging and machine learning

Understanding Mechanisms Coupling the Fates of Iron Oxides, Organic Matter, and Micronutrient Metals at Redox Hot Spots