Fabien Paulot
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View article: Global implications of a low soil moisture threshold for microbial hydrogen uptake
Global implications of a low soil moisture threshold for microbial hydrogen uptake Open
The impact of increasing anthropogenic hydrogen (H 2 ) emissions on Earth’s radiative balance depends on the soil microbial H 2 sink—the largest and most uncertain term in the global H 2 budget. Soil moisture is a primary but poorly quanti…
View article: Impact of Future Methane Emission Trajectories on Atmospheric Composition and Climate in a Future Hydrogen Economy
Impact of Future Methane Emission Trajectories on Atmospheric Composition and Climate in a Future Hydrogen Economy Open
Hydrogen () is projected to have an increasingly important role in a future low‐carbon economy. In a future economy, emissions could increase across the supply chain. When , a radiatively inert gas, is emitted, it undergoes similar chemica…
View article: Introducing Volatile Organic Compound Model Intercomparison Project (VOCMIP)
Introducing Volatile Organic Compound Model Intercomparison Project (VOCMIP) Open
Volatile organic compounds (VOCs) play an important role in atmospheric chemistry, influencing the cycling of peroxy and hydroxyl radicals, the formation of tropospheric ozone, hydrogen, secondary organic aerosol, and the lifetime of metha…
View article: ENSO‐Driven Variability in Ozone Sources and Its Impact on Tropospheric Ozone Radiative Forcing
ENSO‐Driven Variability in Ozone Sources and Its Impact on Tropospheric Ozone Radiative Forcing Open
Ozone is the third strongest anthropogenic greenhouse gas with highest radiative efficiency in the tropical upper troposphere. Variability driven by El Niño‐Southern Oscillation (ENSO) modulates tropospheric column ozone instantaneous radi…
View article: Moisture Controls on Hydrogen Oxidizing Bacteria: Implications for the Global Soil Hydrogen Sink
Moisture Controls on Hydrogen Oxidizing Bacteria: Implications for the Global Soil Hydrogen Sink Open
Assessing the impact of increasing anthropogenic H 2 emissions on Earth’s radiative balance depends on understanding the soil microbial H 2 sink—the largest and the most uncertain term in the global H 2 budget. A primary control regulating…
View article: Contemporary decline in northern Indian Ocean primary production offset by rising atmospheric nitrogen deposition
Contemporary decline in northern Indian Ocean primary production offset by rising atmospheric nitrogen deposition Open
Since 1980, atmospheric pollutants in South Asia and India have dramatically increased in response to industrialization and agricultural development, enhancing the atmospheric deposition of anthropogenic nitrogen in the northern Indian Oce…
View article: Reanalysis of NOAA H <sub>2</sub> observations: implications for the H <sub>2</sub> budget
Reanalysis of NOAA H <sub>2</sub> observations: implications for the H <sub>2</sub> budget Open
Hydrogen (H2) is a promising low-carbon alternative to fossil fuels for many applications. However, significant gaps in our understanding of the atmospheric H2 budget limit our ability to predict the impacts of greater H2 usage. Here we us…
View article: The GFDL Variable‐Resolution Global Chemistry‐Climate Model for Research at the Nexus of US Climate and Air Quality Extremes
The GFDL Variable‐Resolution Global Chemistry‐Climate Model for Research at the Nexus of US Climate and Air Quality Extremes Open
We present a variable‐resolution global chemistry‐climate model (AM4VR) developed at NOAA's Geophysical Fluid Dynamics Laboratory (GFDL) for research at the nexus of US climate and air quality extremes. AM4VR has a horizontal resolution of…
View article: Comment on egusphere-2023-1602
Comment on egusphere-2023-1602 Open
Abstract. Hydrogen (H2) is being considered for many applications as an alternative to fossil fuels. Robust assessment of the climate implications of increased H2 usage in the global economy is partly hindered by uncertainties in its bioge…
View article: Database of nitrification and nitrifiers in the global ocean
Database of nitrification and nitrifiers in the global ocean Open
As a key biogeochemical pathway in the marine nitrogen cycle, nitrification (ammonia oxidation and nitrite oxidation) converts the most reduced form of nitrogen – ammonium–ammonia (NH4+–NH3) – into the oxidized species nitrite (NO2-) and n…
View article: Database of nitrification and nitrifiers in the global ocean
Database of nitrification and nitrifiers in the global ocean Open
This is a dataset compiling the observations of nitrification rates and nitrifiers' abundance in the global ocean. A template for scientists who want to add their data to the database is also provided. Tang, W., Ward, B. B., Beman, M., Bri…
View article: Database of nitrification and nitrifiers in the global ocean
Database of nitrification and nitrifiers in the global ocean Open
This is a dataset compiling the observations of nitrification rates and nitrifiers' abundance in the global ocean. A template for scientists who want to add their data to the database is also provided. Tang, W., Ward, B. B., Beman, M., Bri…
View article: Comment on egusphere-2023-1602
Comment on egusphere-2023-1602 Open
Abstract. Hydrogen (H2) is being considered for many applications as an alternative to fossil fuels. Robust assessment of the climate implications of increased H2 usage in the global economy is partly hindered by uncertainties in its bioge…
View article: Comment on essd-2023-194
Comment on essd-2023-194 Open
Abstract. As a key biogeochemical pathway in the marine nitrogen cycle, nitrification (ammonia oxidation and nitrite oxidation) converts the most reduced form of nitrogen – ammonium/ammonia (NH4+/ NH3) into the oxidized species nitrite (NO…
View article: Global food loss and waste embodies unrecognized harms to air quality and biodiversity hotspots
Global food loss and waste embodies unrecognized harms to air quality and biodiversity hotspots Open
Global food loss and waste (FLW) undermines the resilience and sustainability of food systems and is closely tied to the United Nation's Sustainable Development Goals on climate, resource use and food security. Here we reveal strong yet un…
View article: Reanalysis of NOAA H <sub>2</sub> observations: implications for the H <sub>2</sub> budget
Reanalysis of NOAA H <sub>2</sub> observations: implications for the H <sub>2</sub> budget Open
Hydrogen (H2) is being considered for many applications as an alternative to fossil fuels. Robust assessment of the climate implications of increased H2 usage in the global economy is partly hindered by uncertainties in its biogeochemical …
View article: Database of nitrification and nitrifiers in the global ocean
Database of nitrification and nitrifiers in the global ocean Open
As a key biogeochemical pathway in the marine nitrogen cycle, nitrification (ammonia oxidation and nitrite oxidation) converts the most reduced form of nitrogen – ammonium/ammonia (NH4+/ NH3) into the oxidized species nitrite (NO2−) and ni…
View article: Database of nitrification and nitrifiers in the global ocean
Database of nitrification and nitrifiers in the global ocean Open
This is a dataset compiling the observations of nitrification rates and nitrifiers' abundance in the global ocean. The associated manuscript describing the dataset is in review.
View article: Volcanic Drivers of Stratospheric Sulfur in GFDL ESM4
Volcanic Drivers of Stratospheric Sulfur in GFDL ESM4 Open
Stratospheric injections of sulfur dioxide from major volcanic eruptions perturb the Earth's global radiative balance and dominate variability in stratospheric sulfur loading. The atmospheric component of the GFDL Earth System Model (ESM4.…
View article: Risk of the hydrogen economy for atmospheric methane
Risk of the hydrogen economy for atmospheric methane Open
Hydrogen (H 2 ) is expected to play a crucial role in reducing greenhouse gas emissions. However, hydrogen losses to the atmosphere impact atmospheric chemistry, including positive feedback on methane (CH 4 ), the second most important gre…
View article: A Mechanistic Sea Spray Generation Function Based on the Sea State and the Physics of Bubble Bursting
A Mechanistic Sea Spray Generation Function Based on the Sea State and the Physics of Bubble Bursting Open
Bubbles bursting at the ocean surface are an important source of ocean‐spray aerosol, with implications on radiative and cloud processes. Yet, very large uncertainties exist on the role of key physical controlling parameters, including win…
View article: Robust evidence for reversal of the trend in aerosol effective climate forcing
Robust evidence for reversal of the trend in aerosol effective climate forcing Open
Anthropogenic aerosols exert a cooling influence that offsets part of the greenhouse gas warming. Due to their short tropospheric lifetime of only several days, the aerosol forcing responds quickly to emissions. Here, we present and discus…
View article: Reduction in Near‐Surface Wind Speeds With Increasing CO<sub>2</sub> May Worsen Winter Air Quality in the Indo‐Gangetic Plain
Reduction in Near‐Surface Wind Speeds With Increasing CO<sub>2</sub> May Worsen Winter Air Quality in the Indo‐Gangetic Plain Open
We analyze the relationship between fine particulate matter (PM 2.5 ) and meteorology in winter in the Indo‐Gangetic Plain (IGP). We find that the concentration of PM 2.5 exhibits similar increase with decreasing surface wind speed in 15 o…