Search Results - "Dickens, Angela F"

Reburial of fossil organic carbon in marine sediments by Dickens, Angela F, Gélinas, Yves, Masiello, Caroline A, Wakeham, Stuart, Hedges, John I

“…Marine sediments act as the ultimate sink for organic carbon, sequestering otherwise rapidly cycling carbon for geologic timescales. Sedimentary organic carbon…”
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Reconstructing past fire regimes: methods, applications, and relevance to fire management and conservation by Conedera, Marco, Tinner, Willy, Neff, Christophe, Meurer, Manfred, Dickens, Angela F., Krebs, Patrik

“…Biomass burning and resulting fire regimes are major drivers of vegetation changes and of ecosystem dynamics. Understanding past fire dynamics and their…”
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Chemical composition of the graphitic black carbon fraction in riverine and marine sediments at sub-micron scales using carbon X-ray spectromicroscopy by Haberstroh, Paul R., Brandes, Jay A., Gélinas, Yves, Dickens, Angela F., Wirick, Sue, Cody, George

“…The chemical composition of the graphitic black carbon (GBC) fraction of marine organic matter was explored in several marine and freshwater sedimentary…”
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Climate control on terrestrial biospheric carbon turnover by Eglinton, Timothy I., Galy, Valier V., Hemingway, Jordon D., Feng, Xiaojuan, Bao, Hongyan, Blattmann, Thomas M., Dickens, Angela F., Gies, Hannah, Giosan, Liviu, Haghipour, Negar, Hou, Pengfei, Lupker, Maarten, McIntyre, Cameron P., Montluçon, Daniel B., Peucker-Ehrenbrink, Bernhard, Ponton, Camilo, Schefuß, Enno, Schwab, Melissa S., Voss, Britta M., Wacker, Lukas, Wu, Ying, Zhao, Meixun

“…Terrestrial vegetation and soils hold three times more carbon than the atmosphere. Much debate concerns how anthropogenic activity will perturb these surface…”
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What is the oxygen exposure time of laterally transported organic matter along the Washington margin? by Keil, Richard G., Dickens, Angela F., Arnarson, Thorarinn, Nunn, Brook L., Devol, Allan H.

“…Organic matter preservation along the Washington margin is correlated with its oxygen exposure time (OET). OET is calculated in situ ( isOET) using oxygen…”
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Examining TROPOMI formaldehyde to nitrogen dioxide ratios in the Lake Michigan region: implications for ozone exceedances by Acdan, Juanito Jerrold Mariano, Pierce, Robert Bradley, Dickens, Angela F, Adelman, Zachariah, Nergui, Tsengel

“…Surface-level ozone (O3) is a secondary air pollutant that has adverse effects on human health. In the troposphere, O3 is produced in complex cycles of…”
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Population dynamics of type I and II methanotrophic bacteria in rice soils by Macalady, Jennifer L., McMillan, Andrew M. S., Dickens, Angela F., Tyler, Stanley C., Scow, Kate M.

“…Summary Methane‐oxidizing bacteria (methanotrophs) consume a significant but variable fraction of greenhouse‐active methane gas produced in wetlands and rice…”
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Characterization of ground-based atmospheric pollution and meteorology sampling stations during the Lake Michigan Ozone Study 2017 by Doak, Austin G., Christiansen, Megan B., Alwe, Hariprasad D., Bertram, Timothy H., Carmichael, Gregory, Cleary, Patricia, Czarnetzki, Alan C., Dickens, Angela F., Janssen, Mark, Kenski, Donna, Millet, Dylan B., Novak, Gordon A., Pierce, Bradley R., Stone, Elizabeth A., Long, Russell W., Vermeuel, Michael P., Wagner, Timothy J., Valin, Lukas, Stanier, Charles O.

“…The Lake Michigan Ozone Study 2017 (LMOS 2017) in May and June 2017 enabled study of transport, emissions, and chemical evolution related to ozone air…”
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Sensitivity of Ozone Production to NOx and VOC Along the Lake Michigan Coastline by Vermeuel, Michael P., Novak, Gordon A., Alwe, Hariprasad D., Hughes, Dagen D., Kaleel, Rob, Dickens, Angela F., Kenski, Donna, Czarnetzki, Alan C., Stone, Elizabeth A., Stanier, Charles O., Pierce, R. Bradley, Millet, Dylan B., Bertram, Timothy H.

“…We report on the sensitivity of enhanced ozone (O3) production, observed during lake breeze circulation along the coastline of Lake Michigan, to the…”
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The Impact of Volatile Chemical Products, Other VOCs, and NOx on Peak Ozone in the Lake Michigan Region by Abdi‐Oskouei, Maryam, Roozitalab, Behrooz, Stanier, Charles O., Christiansen, Megan, Pfister, Gabriele, Pierce, R. Bradley, McDonald, Brian C., Adelman, Zac, Janseen, Mark, Dickens, Angela F., Carmichael, Gregory R.

“…High concentrations of ozone along the coastline of Lake Michigan are a persistent air quality management challenge. Complementing observations during the 2017…”
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A depositional history of particulate organic carbon in a floodplain lake from the lower Ob’ River, Siberia by Dickens, Angela F., Baldock, Jeff, Kenna, Timothy C., Eglinton, Timothy I.

“…Northern, high latitude soils have stored vast amounts of organic carbon (OC) in permafrost and peats for many millennia, however, climate change may mobilize…”
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Arctic Deltaic Lake Sediments As Recorders of Fluvial Organic Matter Deposition by Vonk, Jorien E., Dickens, Angela F., Giosan, Liviu, Hussain, Zainab A., Kim, Bokyung, Zipper, Samuel C., Holmes, Robert M., Montlucon, Daniel B., Galy, Valier, Eglinton, Timothy I.

“…Arctic deltas are dynamic and vulnerable regions that play a key role in land-ocean interactions and the global carbon cycle. Delta lakes may provide valuable…”
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Sources and distribution of CuO-derived benzene carboxylic acids in soils and sediments by Dickens, Angela F., Gudeman, Jack A., Gélinas, Yves, Baldock, Jeffrey A., Tinner, Willy, Hu, Feng Sheng, Hedges, John I.

“…Cupric oxide (CuO) oxidation is a powerful tool for tracing different forms of organic carbon (OC), particularly vascular plant-derived OC, through the…”
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Physical separation of combustion and rock sources of graphitic black carbon in sediments by Dickens, Angela F., Gélinas, Yves, Hedges, John I.

“…In order to discriminate between graphitic black carbon (GBC) from different sources, we separated surface sediments from two contrasting environments…”
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Solid-state 13C NMR analysis of size and density fractions of marine sediments: Insight into organic carbon sources and preservation mechanisms by Dickens, Angela F., Baldock, Jeffrey A., Smernik, Ronald J., Wakeham, Stuart G., Arnarson, Thórarinn S., Gélinas, Yves, Hedges, John I.

“…Burial of organic carbon (OC) in ocean sediments acts as the ultimate long-term sink for both terrestrial and marine carbon, however, the mechanisms…”
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Evaluating the spatial patterns of U.S. urban NOx emissions using TROPOMI NO2 by Goldberg, Daniel L., Tao, Madankui, Kerr, Gaige Hunter, Ma, Siqi, Tong, Daniel Q., Fiore, Arlene M., Dickens, Angela F., Adelman, Zachariah E., Anenberg, Susan C.

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PM2.5 chemistry, organosulfates, and secondary organic aerosol during the 2017 Lake Michigan Ozone Study by Hughes, Dagen D., Christiansen, Megan B., Milani, Alissa, Vermeuel, Michael P., Novak, Gordon A., Alwe, Hariprasad D., Dickens, Angela F., Pierce, R. Bradley, Millet, Dylan B., Bertram, Timothy H., Stanier, Charles O., Stone, Elizabeth A.

“…The Lake Michigan Ozone Study from 21 May to 23 June 2017 (LMOS 2017) aimed to better understand the anthropogenic and biogenic sources that contribute to…”
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The Impact of Volatile Chemical Products, Other VOCs, and NO x on Peak Ozone in the Lake Michigan Region by Abdi‐Oskouei, Maryam, Roozitalab, Behrooz, Stanier, Charles O., Christiansen, Megan, Pfister, Gabriele, Pierce, R. Bradley, McDonald, Brian C., Adelman, Zac, Janseen, Mark, Dickens, Angela F., Carmichael, Gregory R.

“…Abstract High concentrations of ozone along the coastline of Lake Michigan are a persistent air quality management challenge. Complementing observations during…”
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Sensitivity of Ozone Production to NO x and VOC Along the Lake Michigan Coastline by Vermeuel, Michael P., Novak, Gordon A., Alwe, Hariprasad D., Hughes, Dagen D., Kaleel, Rob, Dickens, Angela F., Kenski, Donna, Czarnetzki, Alan C., Stone, Elizabeth A., Stanier, Charles O., Pierce, R. Bradley, Millet, Dylan B., Bertram, Timothy H.

“…Abstract We report on the sensitivity of enhanced ozone (O 3 ) production, observed during lake breeze circulation along the coastline of Lake Michigan, to the…”
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Solid-state super(13)C NMR analysis of size and density fractions of marine sediments: Insight into organic carbon sources and preservation mechanisms by Dickens, Angela F, Baldock, Jeffrey A, Smernik, Ronald J, Wakeham, Stuart G, Arnarson, Thorarinn S, Gelinas, Yves, Hedges, John I

“…Burial of organic carbon (OC) in ocean sediments acts as the ultimate long- term sink for both terrestrial and marine carbon, however, the mechanisms…”
Get full text