ManishKumar Shrivastava

Size-resolved Physicochemical Properties of Biomass Burning Aerosol

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

ManishKumar Shrivastava

Project type

Exploratory Research

Biomass burning aerosol (BBA) is a major component of atmospheric aerosols and plays critical roles in the climate. BBA can affect climate directly by absorbing and scattering light, causing overall…

Deriving chemical mass spectral signatures of aqueous-phase SOA formed due to oxidation of biomass burning emissions for analysis of ASR/ARM field datasets

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

ManishKumar Shrivastava

Secondary organic aerosol (SOA) formed by multiphase chemical reactions in the atmosphere greatly contribute to fine particulate matter and organic aerosols (OA). Despite mounting evidence, aqueous-…

Characterizing role of particle-water in processing of biomass burning emissions and SOA formation

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

ManishKumar Shrivastava

Project type

Large-Scale EMSL Research

Secondary organic aerosol (SOA) formed by multiphase chemical reactions in the atmosphere greatly contribute to fine particulate matter and organic aerosols (OA). Despite mounting evidence, aqueous-…

The effect of acyclic terpene emissions on secondary organic aerosol properties

Lead Institution

University of California, Irvine

Principal Investigator

Celia Faiola

Project type

Large-Scale EMSL Research

Acyclic terpenes are commonly emitted by plants, and have frequently been linked to plant stress volatile emissions. These compounds are more reactive than the more commonly studied cyclic terpenes…

A Community Modeling Framework to Advance Numerical Treatments of Aerosol Processes

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Jerome Fast

Project type

Capability Research

The direct (scattering and absorption of radiation) and indirect (cloud-aerosol interactions) effects of aerosols predicted by climate models still contain large uncertainties. Many of these…

Atmospheric System Research Studies

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Jerome Fast

Project type

Large-Scale EMSL Research

A major PNNL's research effort funded through DOE's Atmospheric System Research (ASR) Program focuses on current knowledge gaps in aerosol effects on climate. The overall goal of this…

Interactions of Aerosols, Clouds and Precipitation in the Earth System

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Philip Rasch

Project type

Large-Scale EMSL Research

Aerosols are important, and their sources and sinks are changing in response to human activity. Aerosols--small solid and liquid particles suspended in the atmosphere--influence the planet in many…

Holistic Interactions of Shallow Clouds, Aerosols, and Land-Ecosystems (HI-SCALE)

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Jerome Fast

Project type

Large-Scale EMSL Research

The proposed HI-SCALE field campaign to be conducted in the vicinity of the Southern Great Plains (SGP) "megasite" in Oklahoma during 2016 will utilize unique observational tools available…

Investigating the Synergistic Interactions Between Anthropogenic Gas-phase Hydrophobic Organics and Biogenic SOA Particles

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

ManishKumar Shrivastava

Project type

Large-Scale EMSL Research

We propose to investigate the molecular-level processes responsible for anthropogenic-biogenic interactions that enhance production and atmospheric lifetime of biogenic secondary organic aerosol …

Numerical Studies of the Lifecycle of Aerosols and Their Interactions with Clouds

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Jerome Fast

Project type

Exploratory Research

A major PNNL research effort, funded through DOE's Atmospheric System Research (ASR) Program, focuses on knowledge gaps in aerosol effects on climate, including: • Aerosol aging and its impact…

A Molecular-to-Regional Scale Understanding of Secondary Organic Aerosol Formation

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Jerome Fast

Project type

Large-Scale EMSL Research

Our hypothesis is that a better understanding of fast-reacting processes is needed to make a breakthrough in parameterizing secondary organic aerosols (SOA) for the next generation climate models. To…

Interactions of Aerosols, Clouds and Precipitation in the Earth System: From molecular scale to global climate simulation

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Philip Rasch

Project type

Large-Scale EMSL Research

This proposal requests cascade resources (0.8M node hours) to produce a more reliable model for climate studies. Staff time is funded with support from other BER projects. Our goals are to (1)…

Identifying aqueous SOA tracers from oxidation of phenols in biomass burning aerosols

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

ManishKumar Shrivastava

Recent DOE- supported field measurements provide a wealth of high resolution mass spectrometry data using instruments such as HR-ToF-AMS and SPLAT II over different locations (e.g. over Oklahoma City…

Coupling Measurements and Modeling to Understand the Lifecycle of Secondary Organic Aerosol over Local to Regional Scales

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Jerome Fast

Project type

Large-Scale EMSL Research

Our hypothesis is that a better understanding of fast-reacting processes, such as the chemistry of volatile organic compounds associated with isoprene having a lifetime of ~minutes, is needed to make…

Measuring Physical, Chemical, and Optical Properties of Wildfire Aerosols Using Advanced Instrumentation Toward Improving Their Representation in Atmospheric Models

Lead Institution

Michigan Technological University

Principal Investigator

Lynn Mazzoleni

Project type

Large-Scale EMSL Research

We propose an integrated experimental and modeling study of biomass burning aerosol rich in spherical particles - also known as "tar balls" - using the multi-modal micro-spectroscopy,…

EMSL Science Overview

ManishKumar Shrivastava

Projects

Size-resolved Physicochemical Properties of Biomass Burning Aerosol

Deriving chemical mass spectral signatures of aqueous-phase SOA formed due to oxidation of biomass burning emissions for analysis of ASR/ARM field datasets

Characterizing role of particle-water in processing of biomass burning emissions and SOA formation

The effect of acyclic terpene emissions on secondary organic aerosol properties

A Community Modeling Framework to Advance Numerical Treatments of Aerosol Processes

Atmospheric System Research Studies

Interactions of Aerosols, Clouds and Precipitation in the Earth System

Holistic Interactions of Shallow Clouds, Aerosols, and Land-Ecosystems (HI-SCALE)

Investigating the Synergistic Interactions Between Anthropogenic Gas-phase Hydrophobic Organics and Biogenic SOA Particles

Numerical Studies of the Lifecycle of Aerosols and Their Interactions with Clouds

A Molecular-to-Regional Scale Understanding of Secondary Organic Aerosol Formation

Interactions of Aerosols, Clouds and Precipitation in the Earth System: From molecular scale to global climate simulation

Identifying aqueous SOA tracers from oxidation of phenols in biomass burning aerosols

Coupling Measurements and Modeling to Understand the Lifecycle of Secondary Organic Aerosol over Local to Regional Scales

Measuring Physical, Chemical, and Optical Properties of Wildfire Aerosols Using Advanced Instrumentation Toward Improving Their Representation in Atmospheric Models