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9. General

Author

Hieke, Thomas, Begg, Christopher T., Willis, John Thomas, and Guyette, Fred W.

Published
2019
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18. Major Prophets

Author

Willis, John Thomas, Begg, Christopher T., Taylor, Richard A., Hanneken, Todd R., Hieke, Thomas, and Urbrock, William J.

Published
2019
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23. Festschriften and Collected Essays

Author

Begg, Christopher T., Schweitzer, Steven J., Mason, Eric F., Dyck, Andrew W., Willis, John Thomas, Hieke, Thomas, Alderman, Isaac M., Greenspahn, Frederick E., and Bosworth, David A.

Published
2019
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25. The Pentateuch: Genesis

Author

Begg, Christopher T., Willis, John Thomas, Urbrock, William J., Pitstick, Rory K., Guyette, Fred W., and Alderman, Isaac M.

Published
2019
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28. The Writings: Psalms

Author

Willis, John Thomas, Ryan, Stephen D., Owens, J. Edward, Begg, Christopher T., Wright, John W., Hieke, Thomas, and Guyette, Fred W.

Published
2019
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30. The Writings: Job—Sirach

Author

Hieke, Thomas, DiFrancisco, Lesley R., Begg, Christopher T., Wright, John W., Leiter, David A., Heider, George C., Willis, John Thomas, and Owens, J. Edward

Published
2019
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32. Introduction and General

Author

Begg, Christopher T., Willis, John Thomas, Ellens, J. Harold, Klingbeil, Gerald A., Steinmann, Andrew E., Alderman, Isaac M., and Hanneken, Todd R.

Published
2019
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33. The Prophets

Author

Begg, Christopher T., Guyette, Fred W., Redditt, Paul L., and Willis, John Thomas

Published
2019
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35. Historical Books

Author

Begg, Christopher T., Schweers, Katherine E., Willis, John Thomas, Steinmann, Andrew E., and McKenzie, Steven L.

Published
2019
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41. HEPScore: A new CPU benchmark for the WLCG

Author

Giordano, Domenico, Barbet, Jean-Michel, Boccali, Tommaso, Borge, Gonzalo Menéndez, Hollowell, Christopher, Innocente, Vincenzo, Lampl, Walter, Michelotto, Michele, Meinhard, Helge, Ondris, Ladislav, Sciabà, Andrea, Schnepf, Matthias J., Sobie, Randall J., Southwick, David, Sullivan, Tristan S., Valassi, Andrea, Wenzel, Sandro, Willis, John L., and Yan, Xiaofei

Subjects
High Energy Physics - Experiment
Abstract

HEPScore is a new CPU benchmark created to replace the HEPSPEC06 benchmark that is currently used by the WLCG for procurement, computing resource pledges and performance studies. The development of the new benchmark, based on HEP applications or workloads, has involved many contributions from software developers, data analysts, experts of the experiments, representatives of several WLCG computing centres, as well as the WLCG HEPScore Deployment Task Force. In this contribution, we review the selection of workloads and the validation of the new HEPScore benchmark., Comment: Paper submitted to the proceedings of the Computing in HEP Conference 2023, Norfolk

Published
2023

42. In-Sewer Treatment Strategies to Control H2S Emissions from Sewers Using a Physical Twin

Author

Kim, Mingu, Zaman, Masuduz, Jang, Eunkyung, Nakhla, George, Santoro, Domenico, Walton, John, Willis, John, Ward, Matthew, Gutierrez, Oriol, di Prisco, Marco, Series Editor, Chen, Sheng-Hong, Series Editor, Vayas, Ioannis, Series Editor, Kumar Shukla, Sanjay, Series Editor, Sharma, Anuj, Series Editor, Kumar, Nagesh, Series Editor, Wang, Chien Ming, Series Editor, Cui, Zhen-Dong, Series Editor, Lu, Xinzheng, Series Editor, Mannina, Giorgio, editor, Cosenza, Alida, editor, and Mineo, Antonio, editor

Published
2024
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50. Competition intensity varies with hardwood species identity and constrains stand-level productivity in southeastern pine-hardwood mixtures compared to loblolly pine monocultures

Author

Willis, John L. and Blazier, Michael A.

Subjects
Hardwoods -- Environmental aspects, Pine -- Environmental aspects, Forest productivity -- Research, Forestry research, Competition (Biology) -- Research, Earth sciences
Abstract

We examined the performance of sweetgum (Liquidambar styraciflua L.), cherrybark oak (Quercus pagoda Raf.), and loblolly pine (Pinus taeda L.) in two-species pine-hardwood mixtures (sweetgum : loblolly pine and cherrybark oak : loblolly pine) at various planting densities (1482-1976 trees per hectare (TPH)) over 23 years in northern Louisiana, USA. Species were planted in alternating rows with hardwood establishment occurring 1 year prior to loblolly pine. Mixtures were also compared to loblolly pine monocultures at a common density (1482 TPH) to assess whether mixing improved productivity. Sweetgum exerted more competitive pressure on loblolly pine than cherrybark oak. At final measurement, sweetgum survival statistically exceeded that of loblolly pine across mixture density. Moreover, sweetgum cumulative basal area and volume growth nearly tripled that of loblolly pine in balanced high-density mixtures (1976 TPH, 50 pine : 50 hardwood). In contrast, cherrybark oak basal area and volume growth did not significantly exceed loblolly pine at any density. At a common density (1482 TPH), loblolly pine monoculture cumulative basal area and volume significantly exceeded those of mixtures with sweetgum and cherrybark oak by 19% and 24%, respectively. Collectively, these results indicate that growing loblolly pine in mixture with these two species did not produce complementary interactions and negatively affected stand-level growth. Key words: overyielding, loblolly pine, cherrybark oak, sweetgum, interspecific competition, mixed stands Nous avons examine la performance du copalme d'Amerique (Liquidambar styraciflua L.), du chene a feuilles en pagode (Quercus pagoda Raf.) et du pin a encens (Pinus taeda L.) dans des melanges de pins et de feuillus a deux especes (copalme d'Amerique : pin a encens et chene a feuilles en pagode : pin a encens) a diverses densites de plantation (1482 a 1976 TPH) pendant 23 ans dans le nord de la Louisiane, aux Etats-Unis. Les especes ont ete plantees en rangs alternes, l'etablissement des feuillus ayant lieu un an avant celui des pins a encens. Les melanges ont egalement ete compares aux monocultures de pin a encens a une densite commune (1482 TPH) pour evaluer si le melange ameliorait la productivite. Le copalme d'Amerique a exerce une plus grande pression concurrentielle sur le pin a encens que le chene a feuilles en pagode. Lors de la mesure finale, la survie du copalme d'Amerique a statistiquement depasse celle du pin a encens, quelle que soit la densite du melange. De plus, la croissance cumulative de la zone basale et du volume du copalme d'Amerique a presque triple par rapport a celle du pin a encens dans les melanges equilibres a haute densite (1976 TPH, 50 pins : 50 feuillus). En revanche, la croissance de la surface terriere et du volume du chene a feuilles en pagode n'a pas depasse de maniere significative celle du pin a encens, quelle que soit la densite. A une densite commune (1482 TPH), la zone basale et le volume cumules de la monoculture du pin a encens ont depasse de maniere significative ceux des melanges avec le copalme d'Amerique et le chene a feuilles en pagode de 19% et 24%, respectivement. Collectivement, ces resultats indiquent que la culture du pin a encens en melange avec ces deux especes n'a pas produit d'interactions complementaires et a affecte negativement la croissance au niveau du peuplement. [Traduit par la Redaction] Mots-cles : rendement excessif, pin a encens, chene a feuilles en pagode, copalme d'Amerique, competition interspecifique, peuplements mixtes, Introduction Maintaining productive forests is a global priority. Historically, monocultures have been established to maximize forest productivity (Rubilar et al. 2018). However, concerns over declining biodiversity, enhanced risk of species-specific [...]

Published
2022
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