Atmospheric Composition Group

Research in Atmospheric Composition

Commane Group

Lamont Doherty Earth Observatory

Columbia University

If you are senior graduate student or postdoc interested in joining our group, please consider applying to

Or contact Róisín with an overview of your research interests to discuss proposal ideas. There are no open positions in the group at the moment.

Dandan Wei's ES&T paper: High-Resolution Modeling of Summertime Biogenic Isoprene Emissions in New York City received a lot of interest from NYC news! Kevin Krajick at LDEO wrote a press release that interested many media outlets, some of which wasn't quite what we intended. But thankfully, Austyn Gaffney interviewed Dandan, Andrew Reinmann and Roisin for a really well written article in the New York Times: New York City's Trees Work Hard. Still, they could use a little help that explained the link between biogenic volatile organic compounds and air quality in New York City.

Thanks again to the NOAA AC4 program for funding this project!

Recent Publications

2024

Multi-year observations of variable incomplete combustion in the New York megacity

Luke Schiferl

Cong Cao

Bronte Dalton

Andrew Hallward-Driemeier

Ricardo Toledo-Crow

Roisin Commane

Isoprene from oak trees could lead to ozone production because of all the traffic in NYC

High-Resolution Modeling of Summertime Biogenic Isoprene Emissions in New York City

Dandan Wei

Cong Cao

Alex Karambelas

John Mak

Andrew Reinmann

Roisin Commane

Tundra ecosystems are heterogeneous at multiple scales. Plant functional types, soil moisture, thaw depth, and microtopography, for example, vary across the landscape and influence net ecosystem exchange (NEE) of carbon dioxide (CO2) and methane (CH4) fluxes.

Resolving heterogeneous fluxes from tundra halves the growing season carbon budget

Sarah Ludwig

Luke Schiferl

Jackie Hung

Sue Natali

Roisin Commane

2023

Policy-related gains in urban air quality may be offset by increased emissions in a warming climate

Cong Cao

Drew Gentner

Roisin Commane

Luke Schiferl

Ricardo Toledo Crow

John Mak

CO2 fluxes across a peat plateau in the Yukon Kuskokwim Delta, Alaska.

Scaling waterbody carbon dioxide and methane fluxes in the arctic using an integrated terrestrial-aquatic approach

Sarah Ludwig

Susan Natali

John Schade

Maggie Powell

Greg Fiske

Luke Schiferl

Roisin Commane

Graphs of methane and ethane concentrations as a plume of natural gas passes by the three instruments in the study showing good agreement for methane and between ethane on the Aerodyne and Aeris instruments but no ethane reaction in the Picarro.

Intercomparison of commercial analyzers for atmospheric ethane and methane observations

Roisin Commane

Andrew Hallward-Driemeier

Lee T. Murray

2022

Using atmospheric observations to quantify annual biogenic carbon dioxide fluxes on the Alaska North Slope

Luke Schiferl

Jennifer Watts

...

Roisin Commane

High resolution modeling of vegetation reveals large summertime biogenic CO2 fluxes in New York City

Dandan Wei

Andrew Reinmann

Luke Schiferl

Roisin Commane

Using Machine Learning to Predict Inland Aquatic CO2 and CH4 concentrations and the Effects of Wildfires in the Yukon-Kuskokwim Delta, Alaska

Sarah Ludda Ludwig

Susan Natali

Paul Mann

John Schade

Robert Holmes

Margaret Powell

Greg Fiske

Roisin Commane

Overview of positive and negative impacts of climate mitigation policies on air quality sorted by Transportation, Electricity and Residential policies

Climate mitigation policies for cities must consider air quality impacts

Róisín Commane

Luke Schiferl

Declines and peaks in NO2 pollution during the multiple waves of the COVID-19 pandemic in the New York metropolitan area

Maria Tzortziou

Charlotte Kwong

Dan Goldberg

Luke Schiferl

Róisín Commane

Nader Abuhassan

Jim Szykman

Luke Valin

The changing carbon balance of tundra ecosystems: results from a vertically-resolved peatland biosphere model

Erik Larson

Luke Schiferl

Roisin Commane

Bill Munger

Anna Trugman

Takeshi Ise

Eugenie Euskirchen

Steve Wofsy

Paul Moorcroft

2021

Strong Southern Ocean carbon uptake evident in airborne observations

Matt Long

Britt Stephens

Kathryn McKain

Colm Sweeney

Ralph Keeling

Eric Kort

Eric Morgan

Jonathan Bent

Naveen Chandra

Fredric Chevallier

Roisin Commane

Bruce Daube

Paul Krummel

Zoe Loh

Ingrid Luijkx

David Munro

Prabir Patra

Wouter Peters

Michel Ramonet

Christian Rodenbeck

Ann Stavert

Pieter Tans

Steve Wofsy

Impact of stratospheric air and surface emissions on tropospheric nitrous oxide during ATom

Yenny Gonzalez

Róisín Commane

Ethan Manninen

Bruce Daube

Luke Schiferl

Barry McManus

Kathryn McKain

Eric Hintsa

Jim Elkins

Steve Montzka

Colm Sweeney

Fred Moore

Jose Jimenez

Pedro Campuzano Jost

Tom Ryerson

Ilann Bourgeois

Jeff Peischl

Chelsea Thompson

Eric Ray

Paul Wennberg

John Crounse

Michelle Kim

Hannah Allen

Paul Newman

Britt Stephens

Eric Apel

Rebecca Hornbrook

Ben Nault

Eric Morgan

Steve Wofsy

Previously unaccounted atmospheric mercury deposition in a midlatitude deciduous forest

Daniel Obrist

Eric Roy

John Budney

Jamie Harrison

Charlotte Kwong

Bill Munger

Hans Moosmüller

Christ Romero

Shiwei Sun

Jun Zhou

Roisin Commane

2020

Two Scientific Communities Striving for a Common Cause: innovations in carbon cycle science

Mary Whelan

Leander Anderegg

Grayson Badgley

J. Elliott Campbell

Róisín Commane

Christian Frankenberg

Timothy Hilton

Le Kuai

Nicholas Parazoo

Yoichi Shiga

Yuting Wang

John Worden

1.5 years of TROPOMI CO measurements: Comparisons to MOPITT and ATom

Sara Martínez-Alonso

Merritt Deeter

Helen Worden

Tobias Borsdorff

Ilse Aben

Róisín Commane

Bruce Daube

Gene Francis

Maya George

Jochen Landgraf

Debbie Mao

Kathryn McKain

Steve Wofsy

Light limitation regulates the response of autumn terrestrial carbon uptake to warming

Yao Zhang

Róisín Commane

Sha Zhou

A. Park Williams

Pierre Gentine

2019

Large loss of CO2 in winter observed across the northern permafrost region

Susan Natali

Jennifer Watts

Brendan Rogers

Stefano Potter

Sarah Ludda Ludwig

Anne-Katrin Selbmann

Patrick Sullivan

Ben Abbott

Kyle Arndt

Leah Birch

Mats Bjorkman

Anthony Bloom

Gerardo Celis

Torben Christensen

Casper Christiansen

Roisin Commane

et al

2018

Forecasting carbon monoxide on a global scale for the ATom-1 aircraft mission: insights from airborne and satellite observations and modeling

Sarah Strode

Junhua Liu

Leslie Lait

Róisín Commane

Bruce Daube

Steven Wofsy

Austin Conaty

Paul Newman

Michael Prather

2017

Carbon dioxide sources from Alaska driven by increasing early winter respiration from Arctic tundra

Róisín Commane

Jacob Lindaas

Joshua Benmergui

Kristina Luus

Rachel Chang

Eugenie Euskirchen

John Henderson

Anna Karion

John B. Miller

Scot M. Miller

Nicholas C. Parazoo

James Randerson

Colm Sweeney

Pieter Tans

Kirk Thoning

Sander Veraverbeke

Charles E. Miller

Steven C. Wofsy

2015

Seasonal fluxes of carbonyl sulfide in a mid-latitude forest

Róisín Commane

Laura K. Meredith

Ian T. Baker

Joseph A. Berry

J. William Munger

Stephen A. Montzka

Pamela H. Templer

Stephanie M. Juice

Mark S. Zahniser

Steven C. Wofsy

2013

Carbonyl sulfide in the marine boundary layer: Coastal and continental influences

Róisín Commane

Scott Herndon

Mark Zahniser

Brian Lerner

Barry McManus

J. William Munger

David Nelson

Steven Wofsy

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