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Articles 20131 - 20160 of 29693
Full-Text Articles in Entire DC Network
Mapping Regional Turbulent Heat Fluxes Via Assimilation Of Modis Land Surface Temperature Data Into An Ensemble Kalman Smoother Framework, Xinlei He, Tongren Xu, Sayed M. Bateni, Christopher M. U. Neale, Shaomin Liu, Thomas Auligne, Kaicun Wang, Shoudong Zhu
Mapping Regional Turbulent Heat Fluxes Via Assimilation Of Modis Land Surface Temperature Data Into An Ensemble Kalman Smoother Framework, Xinlei He, Tongren Xu, Sayed M. Bateni, Christopher M. U. Neale, Shaomin Liu, Thomas Auligne, Kaicun Wang, Shoudong Zhu
Daugherty Water for Food Global Institute: Faculty Publications
Estimation of turbulent heat fluxes via variational data assimilation (VDA) approaches has been the subject of several studies. The VDA approaches need an adjoint model that is difficult to derive. In this study, remotely sensed land surface temperature (LST) data from the Moderate Resolution Imaging Spectroradiometer (MODIS) are assimilated into the heat diffusion equation within an ensemble Kalman smoother (EnKS) approach to estimate turbulent heat fluxes. The EnKS approach is tested in the Heihe River Basin (HRB) in northwest China. The results show that the EnKS approach can estimate turbulent heat fluxes by assimilating low temporal resolution LST data from …
2019 Nebraska Water Productivity Report, Mesfin Mekonnen, Christopher Michael Usher Neale, Chittaranjan Ray, Galen E. Erickson, Adam Liska, Haishun Yang, Thiago L. Romanelli, Arjen Y. Hoekstra
2019 Nebraska Water Productivity Report, Mesfin Mekonnen, Christopher Michael Usher Neale, Chittaranjan Ray, Galen E. Erickson, Adam Liska, Haishun Yang, Thiago L. Romanelli, Arjen Y. Hoekstra
Daugherty Water for Food Global Institute: Faculty Publications
Nebraska’s agricultural production is diverse and vast, ranking the state fourth in total value of agricultural products in the U.S. The state is a national leader in terms of agricultural production: it is the third largest producer of corn and second largest in cattle production. Nebraska is also the second largest producer of ethanol and distillers’ grains. The production and use of these three commodities are highly interlinked. Corn is a major input in livestock feed and the ethanol industry. Ethanol plants then produce distillers’ grains as a co-product that is also used as livestock feed, thus forming what the …
Lehigh Valley Topper Cancer Institute: 2019 Statistical Report, Lehigh Valley Health Network
Lehigh Valley Topper Cancer Institute: 2019 Statistical Report, Lehigh Valley Health Network
Lehigh Valley Topper Cancer Institute
No abstract provided.
Handbook Of Christian Denominations In Zambia, A Personal Perspective, Chester Woodhall
Handbook Of Christian Denominations In Zambia, A Personal Perspective, Chester Woodhall
Stone-Campbell Books
No abstract provided.
Erratum
Journal of Marine Research
Please note the correction to the following article: Bouzaiene, Maher, Milena Menna, Pierre-Marie Poulain, and Dalila Elhmaidi. 2018.“Lagrangian dispersion characteristics in the Western Mediterranean.” Journal of Marine Research 5–6, 139–161. https://doi.org/10.1357/002224018826473290.
Vortex Competition In Coastal Outflows, Sean Jamshidi, Edward Johnson
Vortex Competition In Coastal Outflows, Sean Jamshidi, Edward Johnson
Journal of Marine Research
Experiments and field observations have shown that there are at least two modes of behavior for river plumes. In many cases, the plume turns to the right (in the Northern Hemisphere) on leaving the river mouth and follows the direction of Kelvin-wave propagation. Alternatively, a “bulge” can form in the plume and a fraction of the outflow volume becomes trapped near the mouth. This paper discusses how bulge formation can be affected by the vorticity profile at the river mouth. Due to the image effect, regions of cyclonic vorticity tend to propagate rightwards, whereas regions of anticyclonic vorticity propagate leftward …
The Regulation Of Oxygen To Low Concentrations In Marine Oxygen-Minimum Zones, Don E. Canfield, Beate Kraft, Carolin R. Löscher, Richard A. Boyle, Bo Thamdrup, Frank J. Stewart
The Regulation Of Oxygen To Low Concentrations In Marine Oxygen-Minimum Zones, Don E. Canfield, Beate Kraft, Carolin R. Löscher, Richard A. Boyle, Bo Thamdrup, Frank J. Stewart
Journal of Marine Research
The Bay of Bengal hosts persistent, measurable, but sub-micromolar, concentrations of oxygen in its oxygen-minimum zone (OMZ). Such low-oxygen conditions are not necessarily rare in the global ocean and seem also to characterize the OMZ of the Pescadero Basin in the Gulf of California, as well as the outer edges of otherwise anoxic OMZs, such as can be found, for example, in the Eastern Tropical North Pacific. We show here that biological controls on oxygen consumption are required to allow the semistable persistence of low-oxygen conditions in OMZ settings; otherwise, only small changes in physical mixing or rates of primary …
Advancing Science From Plankton To Whales—Celebrating The Contributions Of James J. Mccarthy, Patricia M. Glibert, Mark A. Altabet, Joseph P. Montoya, Dennis J. Mcgillicuddy Jr.
Advancing Science From Plankton To Whales—Celebrating The Contributions Of James J. Mccarthy, Patricia M. Glibert, Mark A. Altabet, Joseph P. Montoya, Dennis J. Mcgillicuddy Jr.
Journal of Marine Research
Hailing from Sweet Home, Oregon, where his father introduced him to the fascinations of pondwater (McCarthy 2018), Jim McCarthy graduated from Gonzaga University, and in the late 1960s joined the Food Chain Research Group at the Scripps Institution of Oceanography, where he received his doctorate in 1971. The Food Chain Research Group, which was becoming recognized as the premier research group on plankton, was at that time directed by such distinguished scientists as John Strickland and Dick Eppley, among others. The goal of the Food Chain Group was to understand plankton dynamics and trophodynamics, “to a degree that will enable …
Urea Uptake And Urease Activity In The Chesapeake Bay, Caroline M. Solomon
Urea Uptake And Urease Activity In The Chesapeake Bay, Caroline M. Solomon
Journal of Marine Research
The importance of urea in supplying the nitrogen (N) required by planktonic communities has long been recognized, notably by James J. McCarthy in studies as early as the 1970s. Utilization of urea involves a two-step enzymatic process in phytoplankton, with urea first entering the cell via transport (i.e., urea uptake), followed by the conversion of urea into ammonium by the enzyme urease. This article describes a series of field observations and experiments conducted in the Chesapeake Bay, USA, from 2001 through 2018, aimed at understanding the relationship between urea uptake and urease activity and the role of environmental factors on …
N-Loss Stoichiometry In A Peru Odz Eddy, Mark A. Altabet, Annie Bourbonnais
N-Loss Stoichiometry In A Peru Odz Eddy, Mark A. Altabet, Annie Bourbonnais
Journal of Marine Research
Assuming heterotrophic denitrification as the dominant microbial process, Richards (1965) formulated a stoichiometry governing nitrogen loss in open-ocean oxygen deficient zones (ODZs). It prescribes the quantitative coupling between the oxidation of organic matter by NO–3 in the absence of O2 and the corresponding production of CO2, N2, and PO–34. Applied globally, this relationship defines key linkages between the C, N, and P cycles. However, the validity of Richards's stoichiometry is challenged by recognition of complex microbial N processing in ODZs including anammox as an important pathway and nitrite reoxidation. Whereas …
The Wave-Current Interaction In The Coastal Area, Homayoon Komijani, Jaak Monbaliu
The Wave-Current Interaction In The Coastal Area, Homayoon Komijani, Jaak Monbaliu
Journal of Marine Research
In our investigation of the effect of wind-waves on barotropic mean flow in coastal areas, we compare two methods for calculating wave-induced force. The wave field is simulated by the nearshore spectral wave model SWAN. The wave-induced force (calculated using the radiation stress gradient and dissipation methods) and the Stokes drift are integrated in the COHERENS circulation model in the depth-averaged mode. The coupled set is validated using well-known academic test cases of planar beach and single-barred beach. Finally, in a two-dimensional test case based on Belgian coastal waters we compare simulations of mean flow using the two methods of …
Comparing Apples To Oranges: Perspectives On Satellite-Based Primary Production Estimates Drawn From A Global Biogeochemical Model, Charles A. Stock
Comparing Apples To Oranges: Perspectives On Satellite-Based Primary Production Estimates Drawn From A Global Biogeochemical Model, Charles A. Stock
Journal of Marine Research
Net primary production (NPP) by microscopic phytoplankton underpins nearly all marine life, yet global NPP estimates differ substantially. Among satellite-based estimates, variation has been attributed to differing assumptions about the relationships between photosynthesis and sea surface temperature (SST). Maximum chlorophyll (Chl)–specific rates of carbon fixation in the water column (PBopt) increase monotonically with SST in some satellite algorithms, whereas others peak at intermediate values. Understanding and constraining such relationships is challenged by the many direct and indirect relationships between temperature and phytoplankton. In this article, the emergent PBopt-SST relationship was diagnosed in a …
Deep Circulation In The Lau Basin And Havre Trough Of The Western South Pacific Ocean From Floats And Hydrography, Elizabeth Simons, Kevin Speer, Andreas M. Thurnherr
Deep Circulation In The Lau Basin And Havre Trough Of The Western South Pacific Ocean From Floats And Hydrography, Elizabeth Simons, Kevin Speer, Andreas M. Thurnherr
Journal of Marine Research
A system of meridional ridges in the western South Pacific Ocean frame the Lau Basin and Havre Trough, and form a barrier to direct communication between the far western South Pacific basins and the interior South Pacific Ocean. The eastern side of this system comprises the Tonga and Kermadec Ridges, the location of the main deep western boundary current entering the Pacific Ocean. Observations from floats released in the Lau Basin as part of the RIDGE2000 program suggested the presence of a western boundary current along the Lau Ridge exiting into the North Fiji Basin. Those observations, together with Argo …
Phytoplankton In The Aqueous Ecological Theater: Changing Conditions, Biodiversity, And Evolving Ecological Concepts, Patricia M. Glibert
Phytoplankton In The Aqueous Ecological Theater: Changing Conditions, Biodiversity, And Evolving Ecological Concepts, Patricia M. Glibert
Journal of Marine Research
Phytoplankton communities, from lakes to oceans, are changing with anthropogenic nutrient loading and climate change. So, too, are the tools by which phytoplankton are quantified and characterized, yielding a torrent of new data and new types of data that can be related to ecosystem function. New insights have been gained about the physiology of resource acquisition by phytoplankton, allowing new relationships between phytoplankton biodiversity and function to be developed. Despite years of emphasis on the use of inorganic substrates in support of phytoplankton nutrition, it is now well understood that phytoplankton rely on a broad suite of substrates, both dissolved …
A Metapopulation Model For Whale-Fall Specialists: The Largest Whales Are Essential To Prevent Species Extinctions, Craig R. Smith, Joe Roman, J. B. Nation
A Metapopulation Model For Whale-Fall Specialists: The Largest Whales Are Essential To Prevent Species Extinctions, Craig R. Smith, Joe Roman, J. B. Nation
Journal of Marine Research
The sunken carcasses of great whales (i.e., whale falls) provide an important deep-sea habitat for more than 100 species that may be considered whale-fall specialists. Commercial whaling has reduced the abundance and size of whales, and thus whale-fall habitats, as great whales were hunted and removed from the oceans, often to near extinction. In this article, we use a metapopulation modeling approach to explore the consequences of whaling to the abundance and persistence of whale-fall habitats in the deep sea and to the potential for extinction of whale-fall specialists. Our modeling indicates that the persistence of metapopulations of whale-fall specialists …
Estimating Particle Export Fl Ux From Satellite Observations: Challenges Associated With Spatial And Temporal Decoupling Of Production And Export, Dennis J. Mcgillicuddy Jr., Laure Resplandy, Marina Lévy
Estimating Particle Export Fl Ux From Satellite Observations: Challenges Associated With Spatial And Temporal Decoupling Of Production And Export, Dennis J. Mcgillicuddy Jr., Laure Resplandy, Marina Lévy
Journal of Marine Research
Recent studies have suggested that accurate predictions of particle export flux can be derived from satellite-based estimates of phytoplankton biomass and net primary production (NPP), combined with models of the food web. We evaluate the performance of this approach using the output of a highresolution, basin-scale coupled physical-biogeochemical model. There is tight correlation between the annual mean export flux simulated by the biogeochemical model and that predicted by the satellitebased algorithm driven by NPP from the model. Although the satellite-based approach performs well on the annual average, there are significant departures during the course of the year, particularly in spring. …
Regulation Of Respiration And Apoptosis By Cytochrome C Threonine 58 Phosphorylation, Junmei Wan, Hasini A. Kalpage, Asmita Vaishnav, Jenney Liu, Icksoo Lee, Gargi Mahapatra, Alice A. Turner, Matthew P. Zurek, Qinqin Ji, Carlos T. Moraes, Maurice-Andre Recanati, Lawrence I. Grossman, Arthur R. Salomon, Brian Fp Edwards, Maik HüTtemann
Regulation Of Respiration And Apoptosis By Cytochrome C Threonine 58 Phosphorylation, Junmei Wan, Hasini A. Kalpage, Asmita Vaishnav, Jenney Liu, Icksoo Lee, Gargi Mahapatra, Alice A. Turner, Matthew P. Zurek, Qinqin Ji, Carlos T. Moraes, Maurice-Andre Recanati, Lawrence I. Grossman, Arthur R. Salomon, Brian Fp Edwards, Maik HüTtemann
Biochemistry and Molecular Biology Faculty Publications
Cytochrome c (cytc) is a multifunctional protein, acting as an electron carrier in the electron transport chain (ETC), where it shuttles electrons from bc1 complex to cytochrome c oxidase (COX), and as a trigger of type II apoptosis when released from the mitochondria. We previously showed that cytc is regulated in a highly tissue-specific manner: Cytc isolated from heart, liver, and kidney is phosphorylated on Y97, Y48, and T28, respectively. Here, we have analyzed the effect of a new Cytc phosphorylation site, threonine 58, which we mapped in rat kidney Cytc by mass spectrometry. We generated and overexpressed wild-type, phosphomimetic …
South Dakota Aquatic Invertebrate Collection And Database, Ashlee Nilson, Nels H. Troelstrup Jr.
South Dakota Aquatic Invertebrate Collection And Database, Ashlee Nilson, Nels H. Troelstrup Jr.
Oak Lake Field Station 30th Anniversary Retreat Presentations
No abstract provided.
Pyganodon Grandis Growth Along A Trophic State Gradient In Eastern South Dakota Lakes, Katherine M. Wollman, Nels H. Troelstrup Jr.
Pyganodon Grandis Growth Along A Trophic State Gradient In Eastern South Dakota Lakes, Katherine M. Wollman, Nels H. Troelstrup Jr.
Oak Lake Field Station 30th Anniversary Retreat Presentations
No abstract provided.
Native Grass And Legume Biology And Establishment, Arvid A. Boe, P. J. Johnson
Native Grass And Legume Biology And Establishment, Arvid A. Boe, P. J. Johnson
Oak Lake Field Station 30th Anniversary Retreat Presentations
No abstract provided.
Oak Lake Field Station : Station Overview, Nels H. Troelstrup Jr.
Oak Lake Field Station : Station Overview, Nels H. Troelstrup Jr.
Oak Lake Field Station 30th Anniversary Retreat Presentations
No abstract provided.
Landscapes, Water Quality And Aquatic Assemblages, Nels H. Troelstrup Jr.
Landscapes, Water Quality And Aquatic Assemblages, Nels H. Troelstrup Jr.
Oak Lake Field Station 30th Anniversary Retreat Presentations
No abstract provided.
A Review Of Asthma Treatments: Monoclonal Antibody, Corticosteroid, Leukotriene Modifier, And Bronchodilator, Alec Williams
A Review Of Asthma Treatments: Monoclonal Antibody, Corticosteroid, Leukotriene Modifier, And Bronchodilator, Alec Williams
Biology and Microbiology Graduate Students Plan B Research Projects
Medical research has created multitudes of medications to help control the symptoms of asthma. Asthmas effects the respiratory system in different ways, creating unique challenges to researchers and doctors alike to create or a manage the symptoms of asthma. Identifying the common treatment methods and understanding their effect on the human physiology can aid in treating patients. The goal of this review is to identify the common medications used to treat asthma, how these medications work on the human’s physiology, as well as bring to light a new upcoming medication with greater asthma control. As asthma research continues, the need …
Annual Report, 2018-2019, Connecticut College
Bulletin 44: New Directions In The American Landscape, Larry Weaner, Chad Adams, Kofi Boone, Rick Darke, Thomas Woltz, Thomas Baker, Jeffrey Longhenry
Bulletin 44: New Directions In The American Landscape, Larry Weaner, Chad Adams, Kofi Boone, Rick Darke, Thomas Woltz, Thomas Baker, Jeffrey Longhenry
Bulletins
No abstract provided.
Ultrastructural Analysis Of The Digestive Gland Secretory And Absorptive Processes In Nepenthes Glandulifera, Shannon Manuel
Ultrastructural Analysis Of The Digestive Gland Secretory And Absorptive Processes In Nepenthes Glandulifera, Shannon Manuel
Biochemistry, Cellular and Molecular Biology Honors Papers
Nepenthes glandulifera is a carnivorous pitcher plant native to tropical environments, of which the majority live on the islands in the Malay Archipelago where sunlight and water are abundant. The pitcher trap style contains a modified pitfall trap that attracts insects and other small invertebrates through various attractive mechanisms. These plants also contain digestive glands that secrete digestive fluid to break down prey into nutrients for the plant. The digestive fluid, with remarkably unique properties, has been analyzed in relation to multiple areas of study including the development of an enzyme-supplementation strategy for the treatment of celiac disease and the …
Assessment Of Physician Well-Being, Part Two: Beyond Burnout, M. D. Lall, T. J. Gaeta, A. S. Chung, S. A. Chinai, M. Garg, A. Husain, C. Kanter, S. Khandelwal, C. S. Rublee, N. T. Himelfarb, +3 Additional Authors
Assessment Of Physician Well-Being, Part Two: Beyond Burnout, M. D. Lall, T. J. Gaeta, A. S. Chung, S. A. Chinai, M. Garg, A. Husain, C. Kanter, S. Khandelwal, C. S. Rublee, N. T. Himelfarb, +3 Additional Authors
Journal Articles
© 2019 Lall et al. Part One of this two-article series reviews assessment tools to measure burnout and other negative states. Physician well-being goes beyond merely the absence of burnout. Transient episodes of burnout are to be expected. Measuring burnout alone is shortsighted. Well-being includes being challenged, thriving, and achieving success in various aspects of personal and professional life. In this second part of the series, we identify and describe assessment tools related to wellness, quality of life, resilience, coping skills, and other positive states.
Camp Metabolism Controls Caspase-11 Inflammasome Activation And Pyroptosis In Sepsis, R. Chen, L. Zeng, S. Zhu, J. Liu, H. J. Zeh, G. Kroemer, H. Wang, T. R. Billiar, J. Jiang, R. Kang, +1 Additional Author
Camp Metabolism Controls Caspase-11 Inflammasome Activation And Pyroptosis In Sepsis, R. Chen, L. Zeng, S. Zhu, J. Liu, H. J. Zeh, G. Kroemer, H. Wang, T. R. Billiar, J. Jiang, R. Kang, +1 Additional Author
Journal Articles
No abstract provided.
An Irak1-Pin1 Signalling Axis Drives Intrinsic Tumour Resistance To Radiation Therapy, P. H. Liu, R. B. Shah, Y. Li, A. Arora, P. M. Ung, R. Raman, A. Gorbatenko, S. Kozono, R. G. Maki, S. Sidi, +13 Additional Authors
An Irak1-Pin1 Signalling Axis Drives Intrinsic Tumour Resistance To Radiation Therapy, P. H. Liu, R. B. Shah, Y. Li, A. Arora, P. M. Ung, R. Raman, A. Gorbatenko, S. Kozono, R. G. Maki, S. Sidi, +13 Additional Authors
Journal Articles
No abstract provided.
Growth Dynamics In Naturally Progressing Chronic Lymphocytic Leukaemia, M. Gruber, I. Bozic, I. Leshchiner, D. Livitz, K. Stevenson, L. Rassenti, D. Rosebrock, A. Taylor-Weiner, K. R. Rai, C. J. Wu, +17 Additional Authors
Growth Dynamics In Naturally Progressing Chronic Lymphocytic Leukaemia, M. Gruber, I. Bozic, I. Leshchiner, D. Livitz, K. Stevenson, L. Rassenti, D. Rosebrock, A. Taylor-Weiner, K. R. Rai, C. J. Wu, +17 Additional Authors
Journal Articles
No abstract provided.