Mary Whelan
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View article: The Contribution of Boreal Wetlands to the Northern Hemisphere Carbonyl Sulfide Sink
The Contribution of Boreal Wetlands to the Northern Hemisphere Carbonyl Sulfide Sink Open
Carbonyl sulfide (COS), a gas used as a tracer in carbon cycle studies, has a potential missing sink in Northern high latitudes. Boreal COS budgets typically account for the contribution by forests, but ignore any uptake that wetland ecosy…
View article: Carbonyl sulfide measurements from a South Pole ice core and implications for atmospheric variability since the last glacial period
Carbonyl sulfide measurements from a South Pole ice core and implications for atmospheric variability since the last glacial period Open
Carbonyl sulfide (COS) is the most abundant sulfur gas in the atmosphere with links to terrestrial and oceanic productivity. We measured COS in ice core air from an intermediate-depth ice core from the South Pole using both dry and wet ext…
View article: Comment on cp-2023-100
Comment on cp-2023-100 Open
Abstract. Carbonyl sulfide (COS) is the most abundant sulfur gas in the atmosphere with links to terrestrial and oceanic productivity. We measured COS in ice core air from an intermediate depth ice core from the South Pole using both dry a…
View article: Supplementary material to "Carbonyl sulfide measurements from a South Pole ice core and implications for atmospheric variability since the last glacial period"
Supplementary material to "Carbonyl sulfide measurements from a South Pole ice core and implications for atmospheric variability since the last glacial period" Open
Supplement code S1Stan code for solubility correction of the wet extraction measurements data { int n; //no. of elements for regression int nwet; //no. of total wet extraction data vector[n] x; //x data for regression of equation-3 vector[…
View article: Carbonyl sulfide measurements from a South Pole ice core and implications for atmospheric variability since the last glacial period
Carbonyl sulfide measurements from a South Pole ice core and implications for atmospheric variability since the last glacial period Open
Carbonyl sulfide (COS) is the most abundant sulfur gas in the atmosphere with links to terrestrial and oceanic productivity. We measured COS in ice core air from an intermediate depth ice core from the South Pole using both dry and wet ext…
View article: Comment on “An approach to sulfate geoengineering with surface emissions of carbonyl sulfide” by Quaglia et al. (2022)
Comment on “An approach to sulfate geoengineering with surface emissions of carbonyl sulfide” by Quaglia et al. (2022) Open
Solar radiation management through artificially increasing the amount of stratospheric sulfate aerosol is being considered as a possible climate engineering method. To overcome the challenge of transporting the necessary amount of sulfur t…
View article: Simple Biosphere model version 4.2 (SiB4) simulations for the present day atmosphere with 500 ppt OCS and the two OCS geoengineering scenarios with 4.8 ppb and 35.5 ppb OCS.
Simple Biosphere model version 4.2 (SiB4) simulations for the present day atmosphere with 500 ppt OCS and the two OCS geoengineering scenarios with 4.8 ppb and 35.5 ppb OCS. Open
This dataset was prepared for a publication by von Hobe et al. (2023): Comment on “An approach to sulfate geoengineering with surface emissions of carbonyl sulfide” by Quaglia et al. (2022) In that publication, the data are displayed in Fi…
View article: Simple Biosphere model version 4.2 (SiB4) simulations for the present day atmosphere with 500 ppt OCS and the two OCS geoengineering scenarios with 4.8 ppb and 35.5 ppb OCS.
Simple Biosphere model version 4.2 (SiB4) simulations for the present day atmosphere with 500 ppt OCS and the two OCS geoengineering scenarios with 4.8 ppb and 35.5 ppb OCS. Open
This dataset was prepared for a publication by von Hobe et al. (2023): Comment on “An approach to sulfate geoengineering with surface emissions of carbonyl sulfide” by Quaglia et al. (2022) In that publication, the data are displayed in Fi…
View article: Comment on “An approach to sulfate geoengineering with surface emissions of carbonyl sulfide” by Quaglia et al. (2022)
Comment on “An approach to sulfate geoengineering with surface emissions of carbonyl sulfide” by Quaglia et al. (2022) Open
Solar radiation management through artificially increasing the amount of stratospheric sulfate aerosol is being considered as a possible climate engineering method. To overcome the challenge of transporting the necessary amount of sulfur t…
View article: Soil Carbonyl Sulfide (OCS) Fluxes in Terrestrial Ecosystems: An Empirical Model
Soil Carbonyl Sulfide (OCS) Fluxes in Terrestrial Ecosystems: An Empirical Model Open
Measurements of carbonyl sulfide (OCS) enable independent estimates of regional stomatal conductance provided that non‐stomatal OCS fluxes are well constrained. OCS is taken up through plant leaves, following the same pathway as CO 2 ; in …
View article: Global modelling of soil carbonyl sulfide exchanges
Global modelling of soil carbonyl sulfide exchanges Open
Carbonyl sulfide (COS) is an atmospheric trace gas of interest for C cycle research because COS uptake by continental vegetation is strongly related to terrestrial gross primary productivity (GPP), the largest and most uncertain flux in at…
View article: Comment on bg-2021-281
Comment on bg-2021-281 Open
Abstract. Carbonyl sulfide (COS) is an atmospheric trace gas of interest for C cycle research because COS uptake by continental vegetation is strongly related to terrestrial gross primary productivity (GPP), the largest and most uncertain …
View article: Evaluation of carbonyl sulfide biosphere exchange in the Simple Biosphere Model (SiB4)
Evaluation of carbonyl sulfide biosphere exchange in the Simple Biosphere Model (SiB4) Open
The uptake of carbonyl sulfide (COS) by terrestrial plants is linked to photosynthetic uptake of CO2 as these gases partly share the same uptake pathway. Applying COS as a photosynthesis tracer in models requires an accurate representation…
View article: Comment on bg-2021-281
Comment on bg-2021-281 Open
Abstract. Carbonyl sulfide (COS) is an atmospheric trace gas of interest for CÂ cycle research because COS uptake by continental vegetation is strongly related to terrestrial gross primary productivity (GPP), the largest and most uncertain…
View article: Global modelling of soil carbonyl sulfide exchange
Global modelling of soil carbonyl sulfide exchange Open
Carbonyl sulfide (COS) is an atmospheric trace gas of interest for C cycle research because COS uptake by continental vegetation is strongly related to terrestrial gross primary productivity (GPP), the largest and most uncertain flux in at…
View article: Covariation of Airborne Biogenic Tracers (CO <sub>2</sub> , COS, and CO) Supports Stronger Than Expected Growing Season Photosynthetic Uptake in the Southeastern US
Covariation of Airborne Biogenic Tracers (CO <sub>2</sub> , COS, and CO) Supports Stronger Than Expected Growing Season Photosynthetic Uptake in the Southeastern US Open
The Atmospheric Carbon Transport (ACT)‐America Earth Venture mission conducted five airborne campaigns across four seasons from 2016 to 2019, to study the transport and fluxes of Greenhouse gases across the eastern United States. Unprecede…
View article: Review of bg-2021-192
Review of bg-2021-192 Open
Abstract. The uptake of carbonyl sulfide (COS) by terrestrial plants is linked to photosynthetic uptake of CO2 as these gases partly share the same uptake pathway. Applying COS as a photosynthesis tracer in models requires an accurate repr…
View article: COS-derived GPP relationships with temperature and light help explain high-latitude atmospheric CO <sub>2</sub> seasonal cycle amplification
COS-derived GPP relationships with temperature and light help explain high-latitude atmospheric CO <sub>2</sub> seasonal cycle amplification Open
Significance Interactions between terrestrial carbon dioxide (CO 2 ) fluxes and climate or terrestrial ecosystem feedbacks exert a large uncertainty in climate projections. This uncertainty arises in part from poor quantification of gross …
View article: Evaluation of carbonyl sulfide biosphere exchange in the Simple Biosphere Model (SiB4)
Evaluation of carbonyl sulfide biosphere exchange in the Simple Biosphere Model (SiB4) Open
The uptake of carbonyl sulfide (COS) by terrestrial plants is linked to photosynthetic uptake of CO2 by a shared diffusion pathway. Applying COS as a photosynthesis tracer in models requires an accurate representation of biosphere COS flux…
View article: Exploring the Potential of Using Carbonyl Sulfide to Track the Urban Biosphere Signal
Exploring the Potential of Using Carbonyl Sulfide to Track the Urban Biosphere Signal Open
Cities are implementing additional urban green as a means to capture CO 2 and become more carbon neutral. However, cities are complex systems where anthropogenic and natural components of the CO 2 budget interact with each other, and the a…
View article: Carbonyl sulfide: comparing a mechanistic representation of the vegetation uptake in a land surface model and the leaf relative uptake approach
Carbonyl sulfide: comparing a mechanistic representation of the vegetation uptake in a land surface model and the leaf relative uptake approach Open
Land surface modellers need measurable proxies to constrain the quantity of carbon dioxide (CO2) assimilated by continental plants through photosynthesis, known as gross primary production (GPP). Carbonyl sulfide (COS), which is taken up b…
View article: Implementation of vegetation and soil carbonyl sulfide exchanges in the ORCHIDEE land surface model to better constrain ecosystem gross primary production
Implementation of vegetation and soil carbonyl sulfide exchanges in the ORCHIDEE land surface model to better constrain ecosystem gross primary production Open
<p>Better constraining the ecosystem gross photosynthetic CO<sub>2</sub> uptake (GPP) is necessary to reduce the uncertainties on continental vegetation response to climate change. As GPP cannot be directly measured at th…
View article: Covariation of airborne biogenic tracers (CO<sub>2</sub>, COS, and CO) supports stronger than expected growing season photosynthetic uptake in the southeastern US
Covariation of airborne biogenic tracers (CO<sub>2</sub>, COS, and CO) supports stronger than expected growing season photosynthetic uptake in the southeastern US Open
Earth and Space Science Open Archive This work has been accepted for publication in AGU Advances. Version of RecordESSOAr is a venue for early communication or feedback before peer review. Data may be preliminary. Learn more about preprint…
View article: Carbonyl Sulfide: Comparing a Mechanistic Representation of the Vegetation Uptake in a Land Surface Model and the LeafRelative Uptake Approach
Carbonyl Sulfide: Comparing a Mechanistic Representation of the Vegetation Uptake in a Land Surface Model and the LeafRelative Uptake Approach Open
Land surface modelers need measurable proxies to constrain the quantity of carbon dioxide (CO2) assimilated by continental plants through photosynthesis, known as Gross Primary Production (GPP). Carbonyl sulfide (COS), which is taken up by…
View article: Integrating the evidence for a terrestrial carbon sink caused by increasing atmospheric CO <sub>2</sub>
Integrating the evidence for a terrestrial carbon sink caused by increasing atmospheric CO <sub>2</sub> Open
Summary Atmospheric carbon dioxide concentration ([CO 2 ]) is increasing, which increases leaf‐scale photosynthesis and intrinsic water‐use efficiency. These direct responses have the potential to increase plant growth, vegetation biomass,…
View article: Scientific Communities Striving for a Common Cause: Innovations in Carbon Cycle Science
Scientific Communities Striving for a Common Cause: Innovations in Carbon Cycle Science Open
Where does the carbon released by burning fossil fuels go? Currently, ocean and land systems remove about half of the CO 2 emitted by human activities; the remainder stays in the atmosphere. These removal processes are sensitive to feedbac…
View article: Seasonal Evolution of Canopy Stomatal Conductance for a Prairie and Maize Field in the Midwestern United States from Continuous Carbonyl Sulfide Fluxes
Seasonal Evolution of Canopy Stomatal Conductance for a Prairie and Maize Field in the Midwestern United States from Continuous Carbonyl Sulfide Fluxes Open
There are inherent challenges in scaling stomatal conductance (g ) from leaf to canopy particularly over seasonal time scales when species distribution and canopy structure evolve. We address this gap using carbonyl sulfide (OCS) and CO fl…
View article: Carbonyl sulfide fluxes and concentrations from midwestern US (Bondville, FermiLab and Chicago)
Carbonyl sulfide fluxes and concentrations from midwestern US (Bondville, FermiLab and Chicago) Open
This data package includes measurements of carbonyl sulfide (OCS) fluxes and concentrations from flux towers in the midwestern US. The measurements were made at AmeriFlux towers and thus the data package also includes a subset of the stand…