Joseph Rudek
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View article: Greenhouse gas mitigation on croplands: clarifying the debate on knowns, unknowns and risks to move forward with effective management interventions
Greenhouse gas mitigation on croplands: clarifying the debate on knowns, unknowns and risks to move forward with effective management interventions Open
The opportunity of agricultural management practices to sequester soil organic carbon (SOC) is recognized as an important strategy for mitigating climate change. However, there is low confidence when it comes to understanding the magnitude…
View article: Combined Partial-Nitrification and Phosphorus Removal with the co-Existence of Nitrite-resistant phosphorous accumulating organisms (PAOs) and nitrifiers in the treatment of high-strength manure digestate
Combined Partial-Nitrification and Phosphorus Removal with the co-Existence of Nitrite-resistant phosphorous accumulating organisms (PAOs) and nitrifiers in the treatment of high-strength manure digestate Open
Concurrent biological phosphorus (P) recovery and nitrogen (N) removal in treating high-strength wastewater (such as anaerobic digestate) has been considered incompatible due to presumed conflicts in the conflicting optimum conditions requ…
View article: Majority of US urban natural gas emissions unaccounted for in inventories
Majority of US urban natural gas emissions unaccounted for in inventories Open
Significance Methane emissions from distribution and end use of natural gas (NG) are not well known. We analyzed atmospheric methane measurements to quantify NG emissions in the Boston area over ∼8 y, finding NG emissions approximately thr…
View article: Regulation of estuarine primary production by watershed rainfall and river flow
Regulation of estuarine primary production by watershed rainfall and river flow Open
Enhanced phytoplankton production and algal blooms, symptoms of eutrophication, are frequently caused by elevated nutrient loading, usually as nitrogen, to coastal waters. This nitrogen is derived primarily from anthropogenic sources (urba…
View article: Soil carbon science for policy and practice
Soil carbon science for policy and practice Open
Soil-based initiatives to mitigate climate change and restore soil fertility both rely on rebuilding soil organic carbon. Controversy about the role soils might play in climate change mitigation is, consequently, undermining actions to res…
View article: Observations of Methane Emissions from Natural Gas-Fired Power Plants
Observations of Methane Emissions from Natural Gas-Fired Power Plants Open
Current research efforts on the atmospheric impacts of natural gas (NG) have focused heavily on the production, storage/transmission, and processing sectors, with less attention paid to the distribution and end use sectors. This work discu…
View article: Reply to Wassmann et al.: More data at high sampling intensity from medium- and intense-intermittently flooded rice farms is crucial
Reply to Wassmann et al.: More data at high sampling intensity from medium- and intense-intermittently flooded rice farms is crucial Open
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
View article: Estimation of methane emissions from the U.S. ammonia fertilizer industry using a mobile sensing approach
Estimation of methane emissions from the U.S. ammonia fertilizer industry using a mobile sensing approach Open
To date, estimation of greenhouse gas (GHG) emissions from the natural gas (NG) value chain have focused on upstream (production) and midstream (gathering, transmission, and storage) operations. In this study, we estimate methane emissions…
View article: Reply to Yan and Akiyama: Nitrous oxide emissions from rice and their mitigation potential depend on the nature of intermittent flooding
Reply to Yan and Akiyama: Nitrous oxide emissions from rice and their mitigation potential depend on the nature of intermittent flooding Open
Our fundamental message (1) is that under intense forms of intermittent flooding—a technique used to reduce methane emissions from rice farms (2)—emissions of nitrous oxide (N2O), a long-term climate forcer (Fig. 1), can be very high.
F…
View article: High nitrous oxide fluxes from rice indicate the need to manage water for both long- and short-term climate impacts
High nitrous oxide fluxes from rice indicate the need to manage water for both long- and short-term climate impacts Open
Significance Methane from global rice cultivation currently accounts for one-half of all crop-related greenhouse gas emissions. Several international organizations are advocating reductions in methane emissions from rice by promoting inter…
View article: Global risk assessment of high nitrous oxide emissions from rice production Incorporating the discovery of high N2O fluxes under intermittent flooding-A white paper by Environmental Defense Fund and partners
Global risk assessment of high nitrous oxide emissions from rice production Incorporating the discovery of high N2O fluxes under intermittent flooding-A white paper by Environmental Defense Fund and partners Open
View article: Future methane emissions from the heavy-duty natural gas transportation sector for stasis, high, medium, and low scenarios in 2035
Future methane emissions from the heavy-duty natural gas transportation sector for stasis, high, medium, and low scenarios in 2035 Open
Today’s heavy-duty natural gas–fueled fleet is estimated to represent less than 2% of the total fleet. However, over the next couple of decades, predictions are that the percentage could grow to represent as much as 50%. Although fueling s…