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Articles 31 - 49 of 49
Full-Text Articles in Physical Sciences and Mathematics
Hypoxia In Chesapeake Bay: A Model Intercomparison Analysis, M.A.M. Friedrichs, A. J. Bever, M. E. Scully, Carl T. Friedrichs
Hypoxia In Chesapeake Bay: A Model Intercomparison Analysis, M.A.M. Friedrichs, A. J. Bever, M. E. Scully, Carl T. Friedrichs
Presentations
No abstract provided.
Examining Trends In Taste Preferences, Market Demand, And Annual Catch In An Indigenous Marine Turtle Fishery In Southwest Madagascar, Kristin Jones
Examining Trends In Taste Preferences, Market Demand, And Annual Catch In An Indigenous Marine Turtle Fishery In Southwest Madagascar, Kristin Jones
Independent Study Project (ISP) Collection
The worldwide exploitation of marine turtles has been common throughout human history, turtle products including carapaces for decoration and use, skin for leather, and eggs and meat for consumption. The hunting of marine turtles has long established economic importance among Madagascar's coastal inhabitants and is an activity traditionally associated with integral cultural and spiritual values. Due to overexploitation and a combination of relatively newer threats such as pollution, habitat loss, and incidental fisheries take, however, all marine turtle species in the Indian Ocean are considered to be endangered or critically endangered. Although Madagascar's marine turtles have been legally protected from …
Confirmation Of 1rxs J165443.5–191620 As An Intermediate Polar And Its Orbital And Spin Periods, S. Scaringi, S. Connolly, J. Patterson, J. R. Thorstensen
Confirmation Of 1rxs J165443.5–191620 As An Intermediate Polar And Its Orbital And Spin Periods, S. Scaringi, S. Connolly, J. Patterson, J. R. Thorstensen
Dartmouth Scholarship
We investigate the physical nature of the X-ray emitting source 1RXS J165443.5−191620 through optical photometry and time-resolved spectroscopy. Optical photometry is obtained from a variety of telescopes all over the world spanning ≈27 days. Additionally, time-resolved spectroscopy is obtained from the MDM observatory.
An Investigation Of Thermal Shock In Porous Clay Ceramics, Nima Rahbar, F. Nyongesa, S. Obwoya, J. Zimba, B. Aduda, W. Soboyejo
An Investigation Of Thermal Shock In Porous Clay Ceramics, Nima Rahbar, F. Nyongesa, S. Obwoya, J. Zimba, B. Aduda, W. Soboyejo
Nima Rahbar
The thermal shock resistance of porous ceramic materials is often characterized by the Hasselman parameters. However, in other scenarios, the room-temperature residual strengths after thermal shock are also used to quantify the damage due to thermal shock. This paper attempts to link the measured residual strengths to the dominant crack features that are introduced due to thermal shock in porous clay ceramics produced by the sintering of clay powders with well-controlled size ranges. Residual strength estimates from bend tests are compared with fracture mechanics predictions. The implications of the residual strength results are then discussed for the characterization of damage …
Update On The Estuarine Hypoxia Component Of The Sura Super-Regional Modeling Testbed, A. J. Bever, Carl T. Friedrichs, Marjorie A.M. Friedrichs
Update On The Estuarine Hypoxia Component Of The Sura Super-Regional Modeling Testbed, A. J. Bever, Carl T. Friedrichs, Marjorie A.M. Friedrichs
Presentations
No abstract provided.
Using Chesapeake Bay Models To Evaluate Dissolved Oxygen Sampling Strategies, A. J. Bever, M.A.M. Friedrichs, Carl T. Friedrichs
Using Chesapeake Bay Models To Evaluate Dissolved Oxygen Sampling Strategies, A. J. Bever, M.A.M. Friedrichs, Carl T. Friedrichs
Presentations
No abstract provided.
Lettau Affect Colloquium: Or Seeing Natural Philosophy With Len, L. F. Hall
Lettau Affect Colloquium: Or Seeing Natural Philosophy With Len, L. F. Hall
Leonard F. Hall
I was a Senior-Grad student in the Department of Meteorology at the University of Wisconsin at Madison on 19 December 1969. After purchasing a camera to photograph motorcycle trips, I returned to the 13th floor of the Meteorology and Space Science building in time to attend the annual slide show presented by Professor Heinz H. Lettau. Slides were collected from department members to augment his own and Dr. Lettau organized and presented the set. It was a feast of previously unnoticed phenomena that enriched my life. This presentation of photos and composites celebrates a rich contribution of a Doktor Vater …
Lettau Affect Colloquium: Or Seeing Natural Philosophy With Len, Leonard F. Hall
Lettau Affect Colloquium: Or Seeing Natural Philosophy With Len, Leonard F. Hall
All Physics Faculty Publications
No abstract provided.
A Super-Regional Testbed To Improve Models Of Environmental Processes For The U.S. Atlantic And Gulf Of Mexico Coasts, L. D. Wright, Carl T. Friedrichs, J. Harding, E. Howlett
A Super-Regional Testbed To Improve Models Of Environmental Processes For The U.S. Atlantic And Gulf Of Mexico Coasts, L. D. Wright, Carl T. Friedrichs, J. Harding, E. Howlett
Presentations
No abstract provided.
Evaluating Models Of Chesapeake Bay Low Oxygen Dead Zones: Helping Federal Agencies Improve Water Quality, Carl T. Friedrichs
Evaluating Models Of Chesapeake Bay Low Oxygen Dead Zones: Helping Federal Agencies Improve Water Quality, Carl T. Friedrichs
Presentations
No abstract provided.
Update On The Estuarine Hypoxia Component Of The Sura Super-Regional Modeling Testbed, A. J. Bever, M.A.M. Friedrichs
Update On The Estuarine Hypoxia Component Of The Sura Super-Regional Modeling Testbed, A. J. Bever, M.A.M. Friedrichs
Presentations
No abstract provided.
Gis Data: Northampton County, Virginia Shoreline Inventory Report, Marcia Berman, Harry Berquist, Sharon Killeen, Carl Hershner, Karinna Nunez, Karen Reay, Tamia Rudnicky, Daniel E. Schatt
Gis Data: Northampton County, Virginia Shoreline Inventory Report, Marcia Berman, Harry Berquist, Sharon Killeen, Carl Hershner, Karinna Nunez, Karen Reay, Tamia Rudnicky, Daniel E. Schatt
Data
The data inventory developed for the Shoreline Inventory is based on a three tiered shoreline assessment approach. In most cases this assessment characterizes conditions that can be observed from a small boat navigating along the shoreline. The three tiered shoreline assessment approach divides the shorezone into three regions:
1 ) the immediate riparian zone, evaluated for land use; 2 ) the bank, evaluated for height, stability, cover and natural protection; and 3 ) the shoreline, describing the presence of shoreline structures for shore protection and recreational purposes. Hand-held GPS units are used to log features observed in the field.
Three …
Software For Assumption Weighting For Meta-Analysis Of Genomic Data, Debashis Ghosh, Yihan Li
Software For Assumption Weighting For Meta-Analysis Of Genomic Data, Debashis Ghosh, Yihan Li
Debashis Ghosh
This is the software that accompanies Li and Ghosh, "Assumption weighting for incorporating heterogeneity into meta-analysis of genomic data."
Progress Toward Removal Of The Purification Tag In A Putative Toxin Protein Via Site-Specific Mutagenesis And Proteolytic Cleavage, Joanna L. Fridlund, Bethany G. Taylor, Michael H. Godsey
Progress Toward Removal Of The Purification Tag In A Putative Toxin Protein Via Site-Specific Mutagenesis And Proteolytic Cleavage, Joanna L. Fridlund, Bethany G. Taylor, Michael H. Godsey
CUP Undergraduate Research
Putative toxin protein BC_2332, isolated from Bacillus cereus, which is a relative of Bacillus anthracis, shows similarity in the active site to ADP-ribosylating proteins present in cholera and diphtheria. Preliminary attempts to measure the activity of the putative toxin were unsuccessful leading to the hypothesis that the purification tag is hindering the activity. This hypothesis is supported by crystal structure analysis showing the putative active site occupied by the purification tag. Our objective was to remove the purification tag, via two different methods, in order to relieve potential inhibition. Both methods have faced obstacles and the work is continuing.
Gis Data: City Of Hampton, Virginia Shoreline Inventory Report, Marcia Berman, Harry Berquist, Sharon Killeen, Carl Hershner, Karinna Nunez, Karen Reay, Tamia Rudnicky
Gis Data: City Of Hampton, Virginia Shoreline Inventory Report, Marcia Berman, Harry Berquist, Sharon Killeen, Carl Hershner, Karinna Nunez, Karen Reay, Tamia Rudnicky
Data
The data inventory developed for the Shoreline Inventory is based on a three‑tiered shoreline assessment approach. In most cases this assessment characterizes conditions that can be observed from a small boat navigating along the shoreline. The three tiered shoreline assessment approach divides the shorezone into three regions: 1) the immediate riparian zone, evaluated for land use; 2) the bank, evaluated for height, stability, cover and natural protection; and 3) the shoreline, describing the presence of shoreline structures for shore protection and recreational purposes. Hand-held GPS units are used to log features observed in the field.
Three GIS coverages are developed …
Gis Data: Northampton County, Virginia Tidal Marsh Inventory, Marcia Berman, Harry Berquist, Sharon Killeen, Carl Hershner, Karinna Nunez, Karen Reay, Tamia Rudnicky, Daniel E. Schatt
Gis Data: Northampton County, Virginia Tidal Marsh Inventory, Marcia Berman, Harry Berquist, Sharon Killeen, Carl Hershner, Karinna Nunez, Karen Reay, Tamia Rudnicky, Daniel E. Schatt
Data
The 2012 Tidal Marsh Inventory update for Northampton County, Virginia was generated using on-screen digitizing techniques in the most recent version of ArcGIS® - ArcMap while viewing conditions observed in the most recent imagery from the Virginia Base Mapping Program (VBMP). Dominant plant community types were primarily determined during field surveys from shallow-draft boats moving along the shoreline. Land-based surveys were performed in some locations. One shapefile is developed that portrays tidal marsh areas represented as polygons. A metadata file accompanies the shapefile to define attribute accuracy, data development, and any use restrictions that pertain to the data.
Ordway Weather And Water Data 2011, Macalester College
Ordway Weather And Water Data 2011, Macalester College
Ordway Weather Data
Contains daily readings for the year indicated. The values include: PAR umol/s/m2, avg wind dir degree, avg windspeed mph, Avg Max Windspeed mph, Avg airtemp C, Avg RH %, Avg BP mmHg, Avg DailyRain in, Avg Rain Duration sec, Avg RainIntensity in/h, Avg Water Temp F, Avg sp cond mS/cm, avg pH, Avg Turb NTU+, Avg ODOSat %, Avg ODO mg/L, Water station PAR umol/s/m2, Avg Water Level m. File format: CSV.
Identification And Thermochemical Analysis Of High-Lignin Feedstocks For Biofuel And Biochemical Production, V. Mendu, A. Harman-Ware, M. Crocker, J. Jae, J. Stork, Samuel Morton, A. Placido, G. Huber, S. Debolt
Identification And Thermochemical Analysis Of High-Lignin Feedstocks For Biofuel And Biochemical Production, V. Mendu, A. Harman-Ware, M. Crocker, J. Jae, J. Stork, Samuel Morton, A. Placido, G. Huber, S. Debolt
Samuel A Morton
No abstract provided.
Windows Executable For Gaussian Copula With Nbd Margins, Michael S. Smith
Windows Executable For Gaussian Copula With Nbd Margins, Michael S. Smith
Michael Stanley Smith
This is an example Windows 32bit program to estimate a Gaussian copula model with NBD margins. The margins are estimated first using MLE, and the copula second using Bayesian MCMC. The model was discussed in Danaher & Smith (2011; Marketing Science) as example 4 (section 4.2).