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Elevating Dissolved Oxygen - Reflections On Developing And Using Long - Term Data, Nancy N. Rabalais Jan 2021

Elevating Dissolved Oxygen - Reflections On Developing And Using Long - Term Data, Nancy N. Rabalais

Faculty Publications

This prospectus took me about as long to generate as my 36 - year record of working on the issue of northern Gulf of Mexico (nGOM) oxygen deficiency, or so I felt. There was so much to cover, but I focused on the issue of hypoxia on the Louisiana continental shelf from the early 1980s to present and my participation in the research and outreach. Not that I was ignoring other aspects of my academic research career (e.g., stone crab populations and their differences in physiology and larval development along the nGOM coast; settlement of crab megalopae, especially blue crabs, …


Ecosystem-Level Carbon Stocks And Sequestration Rates In Mangroves In The Cananéia-Iguape Lagoon Estuarine System, Southeastern Brazil, Andre S. Rovai, Clemente Coelho-Jr, Renato De Almeida, Marília Cunha-Lignon, Ricardo P. Menghini, Robert R. Twilley, Gilberto Cintrón-Molero, Yara Schaeffer-Novelli Jan 2021

Ecosystem-Level Carbon Stocks And Sequestration Rates In Mangroves In The Cananéia-Iguape Lagoon Estuarine System, Southeastern Brazil, Andre S. Rovai, Clemente Coelho-Jr, Renato De Almeida, Marília Cunha-Lignon, Ricardo P. Menghini, Robert R. Twilley, Gilberto Cintrón-Molero, Yara Schaeffer-Novelli

Faculty Publications

Mangroves fringe the coastlines of 54% of the world's nations but convey ecosystem services, such as carbon sequestration, that span administrative boundaries. Despite their high carbon sequestration efficiency and long-term storage capacity, few countries have assembled detailed mangrove carbon inventories. For example, Brazil, which detains the second largest mangrove area in the world, still lacks a detailed inventory on its blue carbon resources, largely due to the scarcity of integrated ecosystem-level (that is, carbon stored in biomass and soil combined) carbon assessments. Here we combine published and unpublished data to derive an inventory on ecosystem-level carbon stocks and carbon sequestration …


Biogeographical Trends In Phytoplankton Community Size Structure Using Adaptive Sentinel 3-Olci Chlorophyll A And Spectral Empirical Orthogonal Functions In The Estuarine-Shelf Waters Of The Northern Gulf Of Mexico, Bingqing Liu, Eurico J. D'Sa, Kanchan Maiti, Victor H. Rivera-Monroy, Zuo Xue Jan 2021

Biogeographical Trends In Phytoplankton Community Size Structure Using Adaptive Sentinel 3-Olci Chlorophyll A And Spectral Empirical Orthogonal Functions In The Estuarine-Shelf Waters Of The Northern Gulf Of Mexico, Bingqing Liu, Eurico J. D'Sa, Kanchan Maiti, Victor H. Rivera-Monroy, Zuo Xue

Faculty Publications

The active hydrodynamics and complex circulation patterns in the northern Gulf of Mexico (nGoM) provide a dynamic scenario to investigate mesoscale responses of the size structure of phytoplankton communities to environmental variability. In this study, a large in-situ dataset acquired in inland, estuarine and coastal waters of the nGoM and U.S. East Coast were utilized to achieve a regional parameterization of the red-NIR ratio-based chlorophyll a (Chl a) algorithm for the high-spatial and spectral resolution Sentinel 3-OLCI ocean color sensor. Using an adaptive scheme, the algorithm was used in combination with other standard Chl a algorithms such as the Neural …


Astronomical Tide And Storm Surge Signals Observed In An Isolated Inland Maar Lake Near The Coast, Mingming Li, Chunyan Li, Lingling Xie, Wei Huang, Quanan Zheng, Keyi Tan, Yingbin Hong Jan 2021

Astronomical Tide And Storm Surge Signals Observed In An Isolated Inland Maar Lake Near The Coast, Mingming Li, Chunyan Li, Lingling Xie, Wei Huang, Quanan Zheng, Keyi Tan, Yingbin Hong

Faculty Publications

Aimed at the explanation of clear tidal signal and storm surge signals in a closed inland lake near the coast (the Huguangyan Lake), this work uses a combined approach with observations and model experiments. Huguangyan Lake is a closed inland freshwater coneless volcanic crater lake near the coast in tropical southern China, less than 5 km from an estuary. It has a diameter of about 1.5 km and relatively deep water of up to 20 m. Bottom pressure was measured from an acoustic Doppler current profiler (ADCP) for 10 days in September 2018 and 10 days in January 2019. The …


3d Printing In Construction: Current Status, Implementation Hindrances, And Development Agenda, Xin Ning, Tong Liu, Chunlin Wu, Chao Wang Jan 2021

3d Printing In Construction: Current Status, Implementation Hindrances, And Development Agenda, Xin Ning, Tong Liu, Chunlin Wu, Chao Wang

Faculty Publications

3D printing (3DP) is regarded as an innovation that contributes to automation in civil engineering and offers benefits in design, greenness, and efficiency. It is necessary to objectively analyze the current status and challenges associated with 3DP and identify future research directions to properly understand its construction applications. Previous research has focused more on the technical dimension of 3DP; however, the nontechnical dimension of the technology may hinder its implementation and thus must be paid particular attention to. This study presents a systematic review of the existing literature from both technical and nontechnical dimensions by combining quantitative and qualitative studies. …


A Visual Analytics Framework For Distributed Data Analysis Systems, Abdullah Al Raihan Nayeem, Mohammed Elshambakey, Todd Dobbs, Huikyo Lee, Daniel Crichton, Yimin Zhu, Chanachok Chokwitthaya, William J. Tolone, Isaac Cho Jan 2021

A Visual Analytics Framework For Distributed Data Analysis Systems, Abdullah Al Raihan Nayeem, Mohammed Elshambakey, Todd Dobbs, Huikyo Lee, Daniel Crichton, Yimin Zhu, Chanachok Chokwitthaya, William J. Tolone, Isaac Cho

Faculty Publications

This paper proposes a visual analytics framework that addresses the complex user interactions required through a command-line interface to run analyses in distributed data analysis systems. The visual analytics framework facilitates the user to manage access to the distributed servers, incorporate data from the source, run data-driven analysis, monitor the progress, and explore the result using interactive visualizations. We provide a user interface embedded with generalized functionalities and access protocols and integrate it with a distributed analysis system. To demonstrate our proof of concept, we present two use cases from the earth science and Sustainable Human Building Ecosystem research domain.


The Impact Of Covid-19 On The Use Of Academic Library Resources, Ruth Connell, Lisa Wallis, David Comeaux Jan 2021

The Impact Of Covid-19 On The Use Of Academic Library Resources, Ruth Connell, Lisa Wallis, David Comeaux

Faculty Publications

The COVID-19 pandemic has greatly impacted higher education, including academic libraries. This paper compares the use of library resources (including interlibrary loan, website and discovery tool pageviews, database use, patron interactions, etc.) at three university libraries before and after the pandemic. The latter part of the 2019 and 2020 spring semesters are the timeframes of focus, although two control timeframes from earlier in those semesters are used to determine how the semesters differed when the coronavirus was not a factor. The institutions experienced similar patterns of use across many metrics.


Lsu General Catalog 2021-2022, Louisiana State University And Agricultural And Mechanical College Jan 2021

Lsu General Catalog 2021-2022, Louisiana State University And Agricultural And Mechanical College

LSU General Catalog

The LSU General Catalog describes all undergraduate and graduate departments and programs with degree requirements and courses offered for each one. The LSU General Catalog includes information on registration and financial aid as well as academic services offered to all students.


We Belong Together; Libraries, Communities And Third Places, Randa L. Morgan Jan 2021

We Belong Together; Libraries, Communities And Third Places, Randa L. Morgan

Faculty Publications

University students expect much from their libraries. They want a place to study and research. They want a place to eat and hang out with their friends. They want to be able to relax between classes and find a quiet place to focus on work. They want a home away from home. As libraries have begun to accommodate these requests and shift away from the traditional ideas of a library, our students’ expectations are contradictory: have we lost the stereotypical idea of a library or are we in a renaissance where libraries are a third place for many students? Academic …


Anaerobic Carbon Monoxide Uptake By Microbial Communities In Volcanic Deposits At Different Stages Of Successional Development On O‐Yama Volcano, Miyake‐Jima, Japan, Amber N. Depoy, Gary M. King, Hiroyuki Ohta Jan 2021

Anaerobic Carbon Monoxide Uptake By Microbial Communities In Volcanic Deposits At Different Stages Of Successional Development On O‐Yama Volcano, Miyake‐Jima, Japan, Amber N. Depoy, Gary M. King, Hiroyuki Ohta

Faculty Publications

© 2020 by the authors. Licensee MDPI, Basel, Switzerland. Research on Kilauea and O‐yama Volcanoes has shown that microbial communities and their activities undergo major shifts in response to plant colonization and that molyb-denum‐dependent CO oxidizers (Mo‐COX) and their activities vary with vegetation and deposit age. Results reported here reveal that anaerobic CO oxidation attributed to nickel‐dependent CO oxidizers (Ni‐COX) also occurs in volcanic deposits that encompass different developmental stages. Ni‐COX at three distinct sites responded rapidly to anoxia and oxidized CO from initial concentrations of about 10 ppm to sub‐atmospheric levels. CO was also actively consumed at initial 25% …


A Nanoparticle Co-Matrix For Multiple Charging In Matrix-Assisted Laser Desorption Ionization Imaging Of Tissue, Bijay Banstola, Kermit K. Murray Jan 2021

A Nanoparticle Co-Matrix For Multiple Charging In Matrix-Assisted Laser Desorption Ionization Imaging Of Tissue, Bijay Banstola, Kermit K. Murray

Faculty Publications

© 2019 John Wiley & Sons, Ltd. Rationale: A two-component matrix of 2-nitrophloroglucinol (2-NPG) and silica nanoparticles was used for matrix-assisted laser desorption ionization (MALDI) mass spectrometry imaging of high-charge-state biomolecules in tissue. Potential advantages include increased effective mass range and efficiency of fragmentation. Methods: A mixture of 2-NPG matrix and silica nanoparticles was applied to cyrosectioned 10 μm thick mouse brain tissue. The mixture was pipetted onto the tissue for profiling and sprayed for tissue imaging. MALDI images were obtained under high vacuum in a commercial time-of-flight mass spectrometer. Results: The combined 2-NPG and nanoparticle matrix produced highly charged …


Dynamical Comparison Of Different Polymer Architectures - Bottlebrush Vs Linear Polymer, Karin J. Bichler, Bruno Jakobi, Gerald J. Schneider Jan 2021

Dynamical Comparison Of Different Polymer Architectures - Bottlebrush Vs Linear Polymer, Karin J. Bichler, Bruno Jakobi, Gerald J. Schneider

Faculty Publications

© 2021 American Chemical Society. Different polymer architectures behave differently regarding their dynamics. We have used a combination of dielectric spectroscopy, and fast field cycling nuclear magnetic resonance (NMR) to compare the dynamical behavior of two different polymer architectures, with similar overall molecular weight. The systems of interest are a bottlebrush polymer and a linear one, both based on poly(dimethylsiloxane) (PDMS). To verify the structure of the PDMS-g-PDMS bottlebrush in the melt, small-angle neutron scattering was used, yielding a spherical shape. Information about the segmental dynamics was revealed by dielectric spectroscopy and extended to higher temperatures by fast field cycling …


Deep Stacking Networks For Conditional Nonlinear Granger Causal Modeling Of Fmri Data, Kai Cheng Chuang, Sreekrishna Ramakrishnapillai, Lydia Bazzano, Owen T. Carmichael Jan 2021

Deep Stacking Networks For Conditional Nonlinear Granger Causal Modeling Of Fmri Data, Kai Cheng Chuang, Sreekrishna Ramakrishnapillai, Lydia Bazzano, Owen T. Carmichael

Clinical Research Faculty Publications

Conditional Granger causality, based on functional magnetic resonance imaging (fMRI) time series signals, is the quantification of how strongly brain activity in a certain source brain region contributes to brain activity in a target brain region, independent of the contributions of other source regions. Current methods to solve this problem are either unable to model nonlinear relationships between source and target signals, unable to efficiently quantify time lags in source-target relationships, or require ad hoc parameter settings and post hoc calculations to assess conditional Granger causality. This paper proposes the use of deep stacking networks, with dilated convolutional neural networks …


Second Law Of Entanglement Dynamics For The Non-Asymptotic Regime, Mark M. Wilde Jan 2021

Second Law Of Entanglement Dynamics For The Non-Asymptotic Regime, Mark M. Wilde

Faculty Publications

The distillable entanglement of a bipartite quantum state does not exceed its entanglement cost. This well known inequality can be understood as a second law of entanglement dynamics in the asymptotic regime of entanglement manipulation, excluding the possibility of perpetual entanglement extraction machines that generate boundless entanglement from a finite reserve. In this paper, I establish a refined second law of entanglement dynamics that holds for the non-asymptotic regime of entanglement manipulation.


Long-Lived Isomeric States And Quasiparticle Band Structures In Neutron-Rich Gd 162,164 Nuclei From Β Decay, E. H. Wang, J. M. Eldridge, N. T. Brewer, J. H. Hamilton, J. C. Batchelder, Y. X. Liu, Y. Sun, C. Brown, C. J. Zachary, B. M. Musangu, A. V. Ramayya, K. P. Rykaczewski, C. J. Gross, R. Grzywacz, M. Madurga, D. Miller, D. W. Stracener, C. Jost, E. F. Zganjar, J. A. Winger, M. Karny, S. V. Paulauskas, S. H. Liu, M. Wolińska-Cichocka, S. W. Padgett, A. J. Mendez, K. Miernik, A. Fijałkowska, S. V. Ilyushkin Jan 2021

Long-Lived Isomeric States And Quasiparticle Band Structures In Neutron-Rich Gd 162,164 Nuclei From Β Decay, E. H. Wang, J. M. Eldridge, N. T. Brewer, J. H. Hamilton, J. C. Batchelder, Y. X. Liu, Y. Sun, C. Brown, C. J. Zachary, B. M. Musangu, A. V. Ramayya, K. P. Rykaczewski, C. J. Gross, R. Grzywacz, M. Madurga, D. Miller, D. W. Stracener, C. Jost, E. F. Zganjar, J. A. Winger, M. Karny, S. V. Paulauskas, S. H. Liu, M. Wolińska-Cichocka, S. W. Padgett, A. J. Mendez, K. Miernik, A. Fijałkowska, S. V. Ilyushkin

Faculty Publications

Neutron-rich nuclei Eu162,164 were produced by bombarding a proton beam on a U238 target at the Holifield Radioactive Ion Beam Facility at Oak Ridge National Laboratory and mass separating the Eu162,164 products. New level schemes and new γ-ray transitions of the daughters Gd162,164 were identified from β-decay spectroscopy studies. Half-lives of the Eu162,164 were remeasured to clarify the previous ambiguous results. Two quasiparticle band structures were built and compared with neighboring nuclei. The β and γ bands were extended in Gd162 and a γ band was extended in Gd164. Half-lives of the isomeric states at (6-) 1449 keV in Gd162 …


Louisiana Agriculture Winter, 2021, Lsu Agcenter Jan 2021

Louisiana Agriculture Winter, 2021, Lsu Agcenter

Louisiana Agriculture

No abstract provided.


Clinical Commissioning Of Intensity-Modulated Proton Therapy Systems: Report Of Aapm Task Group 185, Jonathan B. Farr, Michael F. Moyers, Chris E. Allgower, Martin Bues, Wen Chien Hsi, Hosang Jin, Dimitris N. Mihailidis, Hsiao Ming Lu, Wayne D. Newhauser, Narayan Sahoo, Roelf Slopsema, Daniel Yeung, X. Ronald Zhu Jan 2021

Clinical Commissioning Of Intensity-Modulated Proton Therapy Systems: Report Of Aapm Task Group 185, Jonathan B. Farr, Michael F. Moyers, Chris E. Allgower, Martin Bues, Wen Chien Hsi, Hosang Jin, Dimitris N. Mihailidis, Hsiao Ming Lu, Wayne D. Newhauser, Narayan Sahoo, Roelf Slopsema, Daniel Yeung, X. Ronald Zhu

Faculty Publications

Proton therapy is an expanding radiotherapy modality in the United States and worldwide. With the number of proton therapy centers treating patients increasing, so does the need for consistent, high-quality clinical commissioning practices. Clinical commissioning encompasses the entire proton therapy system's multiple components, including the treatment delivery system, the patient positioning system, and the image-guided radiotherapy components. Also included in the commissioning process are the x-ray computed tomography scanner calibration for proton stopping power, the radiotherapy treatment planning system, and corresponding portions of the treatment management system. This commissioning report focuses exclusively on intensity-modulated scanning systems, presenting details of how …


Absorption Spectroscopy Of Quantum Black Holes With Gravitational Waves, Ivan Agullo, Vitor Cardoso, Adrián Del Rio, Michele Maggiore, Jorge Pullin Jan 2021

Absorption Spectroscopy Of Quantum Black Holes With Gravitational Waves, Ivan Agullo, Vitor Cardoso, Adrián Del Rio, Michele Maggiore, Jorge Pullin

Faculty Publications

The observation of electromagnetic radiation emitted or absorbed by matter was instrumental in revealing the quantum properties of atoms and molecules in the early XX century, and constituted a turning-point in the development of the quantum theory. Quantum mechanics changes dramatically the way radiation and matter interact, making the probability of emission and absorption of light strongly frequency dependent, as clearly manifested in atomic spectra. In this essay, we advocate that gravitational radiation can play, for the quantum aspects of black holes, a similar role as electromagnetic radiation did for atoms, and that the advent of gravitational-wave astronomy can bring …


Northeast- Winter 2021, Lsu Agcenter Jan 2021

Northeast- Winter 2021, Lsu Agcenter

Horticulture Hints

No abstract provided.


Northwest - Winter 2021, Lsu Agcenter Jan 2021

Northwest - Winter 2021, Lsu Agcenter

Horticulture Hints

No abstract provided.


Central- Winter 2021, Lsu Agcenter Jan 2021

Central- Winter 2021, Lsu Agcenter

Horticulture Hints

No abstract provided.


Southwest- Winter 2021, Lsu Agcenter Jan 2021

Southwest- Winter 2021, Lsu Agcenter

Horticulture Hints

No abstract provided.


Southeast- Winter 2021, Lsu Agcenter Jan 2021

Southeast- Winter 2021, Lsu Agcenter

Horticulture Hints

No abstract provided.


Nuclear Dynamics And Reactions In The Ab Initio Symmetry-Adapted Framework, Kristina D. Launey, Alexis Mercenne, Tomas Dytrych Jan 2021

Nuclear Dynamics And Reactions In The Ab Initio Symmetry-Adapted Framework, Kristina D. Launey, Alexis Mercenne, Tomas Dytrych

Faculty Publications

We review the ab initio symmetry-adapted (SA) framework for determining the structure of stable and unstable nuclei, along with related electroweak, decay, and reaction processes. This framework utilizes the dominant symmetry of nuclear dynamics, the shape-related symplectic Sp(3, R) symmetry, which has been shown to emerge from first principles and to expose dominant degrees of freedom that are collective in nature, even in the lightest species or seemingly spherical states. This feature is illustrated for a broad scope of nuclei ranging from helium to titanium isotopes, enabled by recent developments of the ab initio SA no-core shell model expanded to …


Importance Of Van Der Waals Interactions For Ab Initio Studies Of Topological Insulators, K. Shirali, W. A. Shelton, I. Vekhter Jan 2021

Importance Of Van Der Waals Interactions For Ab Initio Studies Of Topological Insulators, K. Shirali, W. A. Shelton, I. Vekhter

Faculty Publications

We investigate the lattice and electronic structures of the bulk and surface of the prototypical layered topological insulators Bi2Se3 and Bi2Te3 using ab initio density functional methods, and systematically compare the results of different methods of including van der Waals (vdW) interactions. We show that the methods utilizing semi-empirical energy corrections yield accurate descriptions of these materials, with the most precise results obtained by properly accounting for the long-range tail of the vdW interactions. The bulk lattice constants, distances between quintuple layers and the Dirac velocity of the topological surface states (TSS) are all in excellent agreement with experiment. In …


Design, Upgrade And Characterization Of The Silicon Photomultiplier Front-End For The Amiga Detector At The Pierre Auger Observatory, A. Aab, P. Abreu, M. Aglietta, J. M. Albury, I. Allekotte, A. Almela, J. Alvarez-Muñiz, R. Alves Batista, G. A. Anastasi, L. Anchordoqui, B. Andrada, S. Andringa, C. Aramo, P. R. Araújo Ferreira, H. Asorey, P. Assis, G. Avila, A. M. Badescu, A. Bakalova, A. Balaceanu, F. Barbato, R. J. Barreira Luz, K. H. Becker, J. A. Bellido, C. Berat, M. E. Bertaina, X. Bertou, P. L. Biermann, T. Bister, J. Biteau, J. Blazek, C. Bleve, M. Boháčová Jan 2021

Design, Upgrade And Characterization Of The Silicon Photomultiplier Front-End For The Amiga Detector At The Pierre Auger Observatory, A. Aab, P. Abreu, M. Aglietta, J. M. Albury, I. Allekotte, A. Almela, J. Alvarez-Muñiz, R. Alves Batista, G. A. Anastasi, L. Anchordoqui, B. Andrada, S. Andringa, C. Aramo, P. R. Araújo Ferreira, H. Asorey, P. Assis, G. Avila, A. M. Badescu, A. Bakalova, A. Balaceanu, F. Barbato, R. J. Barreira Luz, K. H. Becker, J. A. Bellido, C. Berat, M. E. Bertaina, X. Bertou, P. L. Biermann, T. Bister, J. Biteau, J. Blazek, C. Bleve, M. Boháčová

Faculty Publications

AMIGA (Auger Muons and Infill for the Ground Array) is an upgrade of the Pierre Auger Observatory to complement the study of ultra-high-energy cosmic rays (UHECR) by measuring the muon content of extensive air showers (EAS). It consists of an array of 61 water Cherenkov detectors on a denser spacing in combination with underground scintillation detectors used for muon density measurement. Each detector is composed of three scintillation modules, with 10 m2 detection area per module, buried at 2.3 m depth, resulting in a total detection area of 30 m2. Silicon photomultiplier sensors (SiPM) measure the amount of scintillation light …


Once We Were Slaves: The Extraordinary Journey Of A Multi-Racial Jewish Family, Julie Winch Jan 2021

Once We Were Slaves: The Extraordinary Journey Of A Multi-Racial Jewish Family, Julie Winch

Civil War Book Review

By tracing the family tree of a multiracial Jewish family in the Atlantic world, Leibman shows how "Racial identity, cultural affinity, faith and family ties counted for so much (and so little) in different settings and to different people," in a work that "resembles a huge mosaic. Each piece is beautifully crafted."


Civil War Treasures: Candid Complaints From A White Southern Teen In Post-Civil War Boston, Leah Powell Duncan Jan 2021

Civil War Treasures: Candid Complaints From A White Southern Teen In Post-Civil War Boston, Leah Powell Duncan

Civil War Book Review

"The digital copy of a diary kept by seventeen-year-old New Orleanian Minnie C. Hunt from August 1866 to March 1867 has recently been added to the Louisiana Digital Library . . . Hunt expresses her love of sewing, playing games, and spending time outdoors, but she also discusses loneliness, family conflict, financial anxiety, and physical pain. Hunt’s candid revelation of her own hardship makes the diary a particularly rich text for research on upper-class white women’s lives at the close of the Civil War, particularly in terms of their challenges and the resources to which they had access."


A Holy Baptism Of Fire & Blood: The Bible And The American Civil War, Bruce T. Gourley Jan 2021

A Holy Baptism Of Fire & Blood: The Bible And The American Civil War, Bruce T. Gourley

Civil War Book Review

"All told—and there is much in James Byrd’s insightful narrative—A Holy Baptism of Fire & Blood is a unique and powerful first-hand recounting of the Civil War’s ebb and flow through the elastic prism of the book most familiar to nineteenth-century Americans."


Editorial, Jeffery Hardin Hobson Jan 2021

Editorial, Jeffery Hardin Hobson

Civil War Book Review

"This issue of the Civil War Book Review is cohered around the often-intersecting phenomena of domesticity and religion in the Civil War era. Although historians have abandoned the notion that the nineteenth-century domestic sphere was hermetically cordoned from the public, the books reviewed herein demonstrate that studying the home as a distinct space remains an enlightening endeavor, even as the featured authors expand our understanding of what constituted the domestic sphere. The books reviewed in this issue also reinforce our understanding of religion’s significance to nineteenth-century Americans’ lives and identities. The authors further elucidate the ways in which Christianity helped …