Search Results - "Eger, Philipp G"

Shipborne measurements of total OH reactivity around the Arabian Peninsula and its role in ozone chemistry by Pfannerstill, Eva Y, Wang, Nijing, Edtbauer, Achim, Bourtsoukidis, Efstratios, Crowley, John N, Dienhart, Dirk, Eger, Philipp G, Ernle, Lisa, Fischer, Horst, Hottmann, Bettina, Paris, Jean-Daniel, Stönner, Christof, Tadic, Ivan, Walter, David, Lelieveld, Jos, Williams, Jonathan

“…The Arabian Peninsula is characterized by high and increasing levels of photochemical air pollution. Strong solar irradiation, high temperatures and large…”
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Recent improvements of long-path DOAS measurements: impact on accuracy and stability of short-term and automated long-term observations by Nasse, Jan-Marcus, Eger, Philipp G, Pöhler, Denis, Schmitt, Stefan, Frieß, Udo, Platt, Ulrich

“…Over the last few decades, differential optical absorption spectroscopy (DOAS) has been used as a common technique to simultaneously measure abundances of a…”
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Influence of vessel characteristics and atmospheric processes on the gas and particle phase of ship emission plumes: in situ measurements in the Mediterranean Sea and around the Arabian Peninsula by Celik, Siddika, Drewnick, Frank, Fachinger, Friederike, Brooks, James, Darbyshire, Eoghan, Coe, Hugh, Paris, Jean-Daniel, Eger, Philipp G., Schuladen, Jan, Tadic, Ivan, Friedrich, Nils, Dienhart, Dirk, Hottmann, Bettina, Fischer, Horst, Crowley, John N., Harder, Hartwig, Borrmann, Stephan

“…A total of 252 emission plumes of ships operating in the Mediterranean Sea and around the Arabian Peninsula were investigated using a comprehensive dataset of…”
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Formaldehyde and hydroperoxide distribution around the Arabian Peninsula – evaluation of EMAC model results with ship-based measurements by Dienhart, Dirk, Brendel, Bettina, Crowley, John N, Eger, Philipp G, Harder, Hartwig, Martinez, Monica, Pozzer, Andrea, Rohloff, Roland, Schuladen, Jan, Tauer, Sebastian, Walter, David, Lelieveld, Jos, Fischer, Horst

“…Formaldehyde (HCHO), hydrogen peroxide (H2O2) and organic hydroperoxides (ROOH) play a key role in atmospheric oxidation processes. They act as sources and…”
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Shipborne measurements of ClNO2 in the Mediterranean Sea and around the Arabian Peninsula during summer by Eger, Philipp G, Friedrich, Nils, Schuladen, Jan, Shenolikar, Justin, Fischer, Horst, Tadic, Ivan, Harder, Hartwig, Martinez, Monica, Rohloff, Roland, Tauer, Sebastian, Drewnick, Frank, Fachinger, Friederike, Brooks, James, Darbyshire, Eoghan, Sciare, Jean, Pikridas, Michael, Lelieveld, Jos, Crowley, John N

“…Shipborne measurements of nitryl chloride (ClNO2), hydrogen chloride (HCl) and sulfur dioxide (SO2) were made during the AQABA (Air Quality and climate change…”
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Impact of pyruvic acid photolysis on acetaldehyde and peroxy radical formation in the boreal forest: theoretical calculations and model results by Eger, Philipp G, Vereecken, Luc, Sander, Rolf, Schuladen, Jan, Sobanski, Nicolas, Fischer, Horst, Karu, Einar, Williams, Jonathan, Vakkari, Ville, Petäjä, Tuukka, Lelieveld, Jos, Pozzer, Andrea, Crowley, John N

“…Based on the first measurements of gas-phase pyruvic acid (CH3C(O)C(O)OH) in the boreal forest, we derive effective emission rates of pyruvic acid and compare…”
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Pyruvic acid in the boreal forest: gas-phase mixing ratios and impact on radical chemistry by Eger, Philipp G, Schuladen, Jan, Sobanski, Nicolas, Fischer, Horst, Karu, Einar, Williams, Jonathan, Riva, Matthieu, Zha, Qiaozhi, Ehn, Mikael, Quéléver, Lauriane L. J, Schallhart, Simon, Lelieveld, Jos, Crowley, John N

“…Pyruvic acid (CH3C(O)C(O)OH, 2-oxopropanoic acid) is an organic acid of biogenic origin that plays a crucial role in plant metabolism, is present in…”
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Measurement report: Observation-based formaldehyde production rates and their relation to OH reactivity around the Arabian Peninsula by Dienhart, Dirk, Crowley, John N, Bourtsoukidis, Efstratios, Edtbauer, Achim, Eger, Philipp G, Ernle, Lisa, Harder, Hartwig, Hottmann, Bettina, Martinez, Monica, Parchatka, Uwe, Paris, Jean-Daniel, Pfannerstill, Eva Y, Rohloff, Roland, Schuladen, Jan, Stönner, Christof, Tadic, Ivan, Tauer, Sebastian, Wang, Nijing, Williams, Jonathan, Lelieveld, Jos, Fischer, Horst

“…Formaldehyde (HCHO) is the most abundant aldehyde in the troposphere. While its background mixing ratio is mostly determined by the oxidation of methane, in…”
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Chemical ionization quadrupole mass spectrometer with an electrical discharge ion source for atmospheric trace gas measurement by Eger, Philipp G, Helleis, Frank, Schuster, Gerhard, Phillips, Gavin J, Lelieveld, Jos, Crowley, John N

“…We present a chemical ionization quadrupole mass spectrometer (CI-QMS) with a radio-frequency (RF) discharge ion source through N2∕CH3I as a source of primary…”
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Shipborne measurements of ClNO 2 in the Mediterranean Sea and around the Arabian Peninsula during summer by Eger, Philipp G., Friedrich, Nils, Schuladen, Jan, Shenolikar, Justin, Fischer, Horst, Tadic, Ivan, Harder, Hartwig, Martinez, Monica, Rohloff, Roland, Tauer, Sebastian, Drewnick, Frank, Fachinger, Friederike, Brooks, James, Darbyshire, Eoghan, Sciare, Jean, Pikridas, Michael, Lelieveld, Jos, Crowley, John N.

“…Shipborne measurements of nitryl chloride (ClNO2), hydrogen chloride (HCl) and sulfur dioxide (SO2) were made during the AQABA (Air Quality and climate change…”
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Shipborne measurements of ClNO.sub.2 in the Mediterranean Sea and around the Arabian Peninsula during summer by Eger, Philipp G, Friedrich, Nils, Schuladen, Jan, Shenolikar, Justin, Fischer, Horst, Tadic, Ivan, Harder, Hartwig, Martinez, Monica, Rohloff, Roland, Tauer, Sebastian, Drewnick, Frank, Fachinger, Friederike, Brooks, James, Darbyshire, Eoghan, Sciare, Jean, Pikridas, Michael, Lelieveld, Jos, Crowley, John N

“…Shipborne measurements of nitryl chloride (ClNO.sub.2 ), hydrogen chloride (HCl) and sulfur dioxide (SO.sub.2) were made during the AQABA (Air Quality and…”
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