Search Results - "Zahniser, Mark"

Methane emissions from natural gas infrastructure and use in the urban region of Boston, Massachusetts by McKain, Kathryn, Down, Adrian, Racitie, Steve M., Budney, John, Hutyra, Lucy R., Floerchinger, Cody, Herndon, Scott C., Nehrkorn, Thomas, Zahniser, Mark S., Jackson, Robert B., Phillips, Nathan, Wofsy, Steven C.

“…Significance Most recent analyses of the environmental impact of natural gas have focused on production, with very sparse information on emissions from…”
Get full text

Contribution of Nitrated Phenols to Wood Burning Brown Carbon Light Absorption in Detling, United Kingdom during Winter Time by Mohr, Claudia, Lopez-Hilfiker, Felipe D., Zotter, Peter, Prévôt, André S. H., Xu, Lu, Ng, Nga L., Herndon, Scott C., Williams, Leah R., Franklin, Jonathan P., Zahniser, Mark S., Worsnop, Douglas R., Knighton, W. Berk, Aiken, Allison C., Gorkowski, Kyle J., Dubey, Manvendra K., Allan, James D., Thornton, Joel A.

“…We show for the first time quantitative online measurements of five nitrated phenol (NP) compounds in ambient air (nitrophenol C6H5NO3, methylnitrophenol…”
Get full text

Mobile Laboratory Observations of Methane Emissions in the Barnett Shale Region by Yacovitch, Tara I, Herndon, Scott C, Pétron, Gabrielle, Kofler, Jonathan, Lyon, David, Zahniser, Mark S, Kolb, Charles E

“…Results of mobile ground-based atmospheric measurements conducted during the Barnett Shale Coordinated Campaign in spring and fall of 2013 are presented…”
Get full text

Dynamics of canopy stomatal conductance, transpiration, and evaporation in a temperate deciduous forest, validated by carbonyl sulfide uptake by Wehr, Richard, Commane, Róisín, Munger, J. William, McManus, J. Barry, Nelson, David D, Zahniser, Mark S, Saleska, Scott R, Wofsy, Steven C

“…Stomatal conductance influences both photosynthesis and transpiration, thereby coupling the carbon and water cycles and affecting surface–atmosphere energy…”
Get full text

Sources and sinks of carbonyl sulfide in an agricultural field in the Southern Great Plains by Maseyk, Kadmiel, Berry, Joseph A., Billesbach, Dave, Campbell, John Elliott, Torn, Margaret S., Zahniser, Mark, Seibt, Ulli

“…Net photosynthesis is the largest single flux in the global carbon cycle, but controls over its variability are poorly understood because there is no direct…”
Get full text

Seasonal fluxes of carbonyl sulfide in a midlatitude forest by Commane, Róisín, Meredith, Laura K., Baker, Ian T., Berry, Joseph A., Munger, J. William, Montzka, Stephen A., Templer, Pamela H., Juice, Stephanie M., Zahniser, Mark S., Wofsy, Steven C.

“…Carbonyl sulfide (OCS), the most abundant sulfur gas in the atmosphere, has a summer minimum associated with uptake by vegetation and soils, closely correlated…”
Get full text

Design and performance of a dual-laser instrument for multiple isotopologues of carbon dioxide and water by McManus, J Barry, Nelson, David D, Zahniser, Mark S

“…A design and results for an instrument with a quantum cascade laser and an antimonide diode laser to measure simultaneously and with high precision seven…”
Get full text

Demonstration of an Ethane Spectrometer for Methane Source Identification by Yacovitch, Tara I, Herndon, Scott C, Roscioli, Joseph R, Floerchinger, Cody, McGovern, Ryan M, Agnese, Michael, Pétron, Gabrielle, Kofler, Jonathan, Sweeney, Colm, Karion, Anna, Conley, Stephen A, Kort, Eric A, Nähle, Lars, Fischer, Marc, Hildebrandt, Lars, Koeth, Johannes, McManus, J. Barry, Nelson, David D, Zahniser, Mark S, Kolb, Charles E

“…Methane is an important greenhouse gas and tropospheric ozone precursor. Simultaneous observation of ethane with methane can help identify specific methane…”
Get full text

First investigation and absolute calibration of clumped isotopes in N2O by mid‐infrared laser spectroscopy by Kantnerová, Kristýna, Yu, Longfei, Zindel, Daniel, Zahniser, Mark S., Nelson, David D., Tuzson, Béla, Nakagawa, Mayuko, Toyoda, Sakae, Yoshida, Naohiro, Emmenegger, Lukas, Bernasconi, Stefano M., Mohn, Joachim

“…Rationale Unravelling the biogeochemical cycle of the potent greenhouse gas nitrous oxide (N2O) is an underdetermined problem in environmental sciences due to…”
Get full text

Development of negative-ion proton-transfer chemical-ionization mass spectrometry (NI-PT-CIMS) for the measurement of gas-phase organic acids in the atmosphere by Veres, Patrick, Roberts, James M., Warneke, Carsten, Welsh-Bon, Daniel, Zahniser, Mark, Herndon, Scott, Fall, Ray, de Gouw, Joost

“…We have developed a negative-ion proton-transfer chemical-ionization mass spectrometry (NI-PT-CIMS) technique for on-line analysis of gaseous organic and…”
Get full text

Continuous infusion chemotherapy, radiotherapy, and FDG‐PET are feasible during extracorporeal membrane oxygenation by Rotz, Seth J., Almeida, Francisco A., Koyfman, Shlomo, Krishnan, Sudhir, Thind, Guramrinder Singh, Phillips, William, Yun, James, Zembillas, Anthony, Zahniser, Mark, Bribriesco, Alejandro

“…Extracorporeal membrane oxygenation (ECMO) may be used in extreme circumstances for patients with a mediastinal mass and respiratory failure. We report on a…”
Get full text

Measurements of volatile organic compounds during the 2006 TexAQS/GoMACCS campaign: Industrial influences, regional characteristics, and diurnal dependencies of the OH reactivity by Gilman, Jessica B., Kuster, William C., Goldan, Paul D., Herndon, Scott C., Zahniser, Mark S., Tucker, Sara C., Brewer, W. Alan, Lerner, Brian M., Williams, Eric J., Harley, Robert A., Fehsenfeld, Fred C., Warneke, Carsten, de Gouw, Joost A.

“…An extensive set of volatile organic compounds (VOCs) and other gas phase species were measured in situ aboard the NOAA R/V Ronald H. Brown as the ship sailed…”
Get full text

High precision measurements of atmospheric nitrous oxide and methane using thermoelectrically cooled mid-infrared quantum cascade lasers and detectors by Nelson, David D., McManus, Barry, Urbanski, Shawn, Herndon, Scott, Zahniser, Mark S.

“…A compact, fast response, mid-infrared absorption spectrometer using thermoelectrically (TE) cooled pulsed quantum cascade (QC) lasers and TE detectors has…”
Get full text

Continuous and high-precision atmospheric concentration measurements of COS, CO2, CO and H2O using a quantum cascade laser spectrometer (QCLS) by Kooijmans, Linda M J, Uitslag, Nelly A M, Zahniser, Mark S, Nelson, David D, Montzka, Stephen A, Chen, Huilin

“…Carbonyl sulfide (COS) has been suggested as a useful tracer for gross primary production as it is taken up by plants in a similar way as CO2. To explore and…”
Get full text

Mass fluxes and isofluxes of methane (CH4) at a New Hampshire fen measured by a continuous wave quantum cascade laser spectrometer by Santoni, Gregory W., Lee, Ben H., Goodrich, Jordan P., Varner, Ruth K., Crill, Patrick M., McManus, J. Barry, Nelson, David D., Zahniser, Mark S., Wofsy, Steven C.

“…We have developed a mid‐infrared continuous‐wave quantum cascade laser direct‐absorption spectrometer (QCLS) capable of high frequency (≥1 Hz) measurements of…”
Get full text

Airborne measurements of HCHO and HCOOH during the New England Air Quality Study 2004 using a pulsed quantum cascade laser spectrometer by Herndon, Scott C., Zahniser, Mark S., Nelson Jr, David D., Shorter, Joanne, McManus, J. Barry, Jiménez, Rodrigo, Warneke, Carsten, de Gouw, Joost A.

“…Atmospheric mixing ratios of formaldehyde and formic acid have been measured from the NOAA WP‐3 aircraft during the New England Air Quality Study (NEAQS) of…”
Get full text

Measurements of Nitrous Acid in Commercial Aircraft Exhaust at the Alternative Aviation Fuel Experiment by Lee, Ben H, Santoni, Gregory W, Wood, Ezra C, Herndon, Scott C, Miake-Lye, Richard C, Zahniser, Mark S, Wofsy, Steven C, Munger, J. William

“…The Alternative Aviation Fuel Experiment (AAFEX), conducted in January of 2009 in Palmdale, California, quantified aerosol and gaseous emissions from a DC-8…”
Get full text

Mobile Laboratory with Rapid Response Instruments for Real-Time Measurements of Urban and Regional Trace Gas and Particulate Distributions and Emission Source Characteristics by Kolb, Charles E, Herndon, Scott C, McManus, J. Barry, Shorter, Joanne H, Zahniser, Mark S, Nelson, David D, Jayne, John T, Canagaratna, Manjula R, Worsnop, Douglas R

“…Recent technological advances have allowed the development of robust, relatively compact, low power, rapid response (∼1 s) instruments with sufficient…”
Get full text

Aircraft Emissions of Methane and Nitrous Oxide during the Alternative Aviation Fuel Experiment by Santoni, Gregory W, Lee, Ben H, Wood, Ezra C, Herndon, Scott C, Miake-Lye, Richard C, Wofsy, Steven C, McManus, J. Barry, Nelson, David D, Zahniser, Mark S

“…Given the predicted growth of aviation and the recent developments of alternative aviation fuels, quantifying methane (CH4) and nitrous oxide (N2O) emission…”
Get full text

Multicomponent Breath Analysis With Infrared Absorption Using Room-Temperature Quantum Cascade Lasers by Shorter, J.H., Nelson, D.D., McManus, J.B., Zahniser, M.S., Milton, D.K.

“…Breath analysis is a powerful noninvasive technique for the diagnosis and monitoring of respiratory diseases, including asthma and chronic obstructive…”
Get full text