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451 Matching Results
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451
Review of Geophysical Characterization Methods Used at the Hanford Site
Geophysical methods have been used for characterization of hydrogeologic conditions and/or contaminant distributions at the Hanford site since at least the mid- to late-1940s. A review of these geophysical methods is presented in two parts: 1) shallow surface-based geophysical methods and 2) borehole geophysical-logging methods.
Date:
March 23, 2000
Creator:
Last, George V. & Horton, Duane G.
Object Type:
Report
System:
The UNT Digital Library
Review of Geophysical Characterization Methods Used at the Hanford Site
Geophysical methods have been used for characterization of hydrogeologic conditions and/or contaminant distributions at the Hanford site since at least the mid- to late-1940s. A review of these geophysical methods is presented in two parts: (1) shallow surface-based geophysical methods and (2) borehole geophysical-logging methods.
Date:
March 23, 2000
Creator:
Last, G. V. & Horton, D. G.
Object Type:
Report
System:
The UNT Digital Library
Review of geophysical characterization methods used at the Hanford Site
This paper presents a review of geophysical methods used at Hanford in two parts: (1) shallow surface-based geophysical methods and (2) borehole geophysical methods. This review was not intended to be ``all encompassing'' but should represent the vast majority (>90% complete) of geophysical work conducted onsite and aimed at hazardous waste investigations in the vadose zone and/or uppermost groundwater aquifers. This review did not cover geophysical methods aimed at large-scale geologic structures or seismicity and, in particular, did not include those efforts conducted in support of the Basalt Waste Isolation Program. This review focused primarily on the more recent efforts.
Date:
March 23, 2000
Creator:
Last, GV & Horton, DG
Object Type:
Report
System:
The UNT Digital Library
San Antonio Register (San Antonio, Tex.), Vol. 68, No. 40, Ed. 1 Thursday, March 23, 2000
Weekly newspaper from San Antonio, Texas that includes local, state, and national news along with advertising.
Date:
March 23, 2000
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Sanger Courier (Sanger, Tex.), Vol. 101, No. 22, Ed. 1 Thursday, March 23, 2000
Weekly newspaper from Sanger, Texas that includes local, state, and national news along with extensive advertising.
Date:
March 23, 2000
Creator:
Hardy, Lisa
Object Type:
Newspaper
System:
The Portal to Texas History
Sapulpa Daily Herald (Sapulpa, Okla.), Vol. 84, No. 164, Ed. 1 Thursday, March 23, 2000
Daily newspaper from Sapulpa, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 23, 2000
Creator:
Quinnelly, Lorrie J.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Social Security Disability Insurance: Raising the Substantial Gainful Activity Level for the Blind
Testimony issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO discussed the substantial gainful activity (SGA) level established for blind beneficiaries of Social Security Disability Insurance (DI), focusing on the: (1) differences in employment circumstances affecting people with blindness compared with those affecting people with other disabilities; and (2) potential impact of changes in SGA levels on the DI program and on the Social Security trust funds."
Date:
March 23, 2000
Creator:
United States. General Accounting Office.
Object Type:
Text
System:
The UNT Digital Library
Summary of Vulcan Calculations
This is a summary of the results of my calculations compared to Elisabeth Wolfrum's data on the Vulcan imprint experiments. The material strength makes essentially no difference to the growth of perturbations seeded by the laser imprint. For the low-intensity case (30 J laser energy, beam intensity of 0.5 x 10{sup 12} W/cm{sup 2}) the thin (2 microns) Al foil melts quickly from the front (driven) surface and decompresses quickly from the back surface, so there is actually only a fraction of the foil that is solid and compressed, and then for only a short time. And this solid fraction is not accelerating much during this short time. In particular, the shock (which is at about 250 kbar when it is about half way through the foil) travels entirely through the foil in about 0.25 ns. At 0.3 ns the ablation front is 0.6 {micro}m in from the original position of the front surface, the next 0.6 {micro}m is melted, so only the back 0.8 {micro}m is solid and compressed. This solid portion, though, is not moving much; the place where the imprinted perturbations are growing is back at the ablation front, where the perturbations are clearly growing fluid-like. By …
Date:
March 23, 2000
Creator:
Colvin, J.D.
Object Type:
Report
System:
The UNT Digital Library
Tank Characterization Report for Double Shell Tank (DST) 241-AN-107
This report interprets information about the tank answering a series of six questions covering areas such as information drivers, tank history, tank comparisons, disposal implications, data quality and quantity, and unique aspects of the tank.
Date:
March 23, 2000
Creator:
Adams, M. R.
Object Type:
Report
System:
The UNT Digital Library
Texas Jewish Post (Fort Worth, Tex.), Vol. 54, No. 12, Ed. 1 Thursday, March 23, 2000
Weekly Jewish newspaper from Fort Worth, Texas that includes local, state, and national news along with extensive advertising.
Date:
March 23, 2000
Creator:
Wisch, J. A. & Wisch, Rene
Object Type:
Newspaper
System:
The Portal to Texas History
Thermal Analysis of Cold Vacuum Drying (CVD) of Spent Nuclear Fuel (SNF)
The thermal analysis examined transient thermal and chemical behavior of the Multi-Canister Overpack (MCO) container for a broad range of cases that represent the Cold Vacuum Drying (CVD) processes. The cases were defined to consider both normal and off-normal operations at the CVD Facility for an MCO with N Reactor spent fuel. This analysis provides the basis for the MCO thermal behavior at the CVD Facility in support of the safety basis documentation.
Date:
March 23, 2000
Creator:
PIEPHO, M.G.
Object Type:
Report
System:
The UNT Digital Library
Throckmorton Tribune (Throckmorton, Tex.), Vol. 114, No. 25, Ed. 1 Thursday, March 23, 2000
Weekly newspaper from Throckmorton, Texas that includes local, state, and national news along with advertising.
Date:
March 23, 2000
Creator:
Mayes, Cecil
Object Type:
Newspaper
System:
The Portal to Texas History
Today Cedar Hill (Duncanville, Tex.), Vol. 34, No. 52, Ed. 1 Thursday, March 23, 2000
Weekly newspaper published in Duncanville, Texas that includes local Cedar Hill, state, and national news along with advertising.
Date:
March 23, 2000
Creator:
Gooch, Robin
Object Type:
Newspaper
System:
The Portal to Texas History
The Tulia Herald (Tulia, Tex.), Vol. 92, No. 12, Ed. 1 Thursday, March 23, 2000
Weekly newspaper from Tulia, Texas that includes local, state and national news along with extensive advertising.
Date:
March 23, 2000
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Uncertainty in Dispersion Forecasting Using Meteorological Ensembles
A approach for quantifying meteorological uncertainty is via development of an ensemble of forecasts from slightly perturbed initial conditions (Sivillo et al., 1997) to predict the time evolution of the probability density function of atmospheric variables (Mullen and Baurnhefner, 1994). We create an ensemble of forecasts by varying the initial (and boundary) conditions for the COAMPS meteorological model. The variations in the initial conditions must be consistent with analysis error. Optimally, the range of initial conditions would encompass the ''true'' atmospheric state, but which is never actually known. Our method for creating varying initial conditions is to use different global data sets to derive the necessary data. We use two models from the National Weather Service (the AVN and ETA models) and one from the Navy (the NOGAPS model). In addition to those data sets we perturb the data from those models, using a normally distributed random number at each grid point in the COAMPS model. We perturb the (u,v) wind components, the temperature and the moisture. The size of the perturbation is determined by the variability within that variable field. The forecasts are run for 48 hours. We then use the output from the COAMPS model to drive a …
Date:
March 23, 2000
Creator:
Leach, M. J. & Chin, H.-N.
Object Type:
Article
System:
The UNT Digital Library
Water Quality: Identification and Remediation of Polluted Waters Impeded by Data Gaps
Testimony issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO discussed the data that the Environmental Protection Agency (EPA) and the states have for making critical water quality decisions required by the Clean Water Act, focusing on: (1) the adequacy of the data for identifying waters for states' 303(d) lists; (2) the adequacy of data for developing total maximum daily loads (TMDL) for those waters; and (3) key factors that affect the states' abilities to develop TMDLs."
Date:
March 23, 2000
Creator:
United States. General Accounting Office.
Object Type:
Text
System:
The UNT Digital Library
The West News (West, Tex.), Vol. 110, No. 12, Ed. 1 Thursday, March 23, 2000
Weekly newspaper from West, Texas that includes local, state, and national news along with advertising.
Date:
March 23, 2000
Creator:
Knapek, Larry
Object Type:
Newspaper
System:
The Portal to Texas History
The Wynnewood Gazette (Wynnewood, Okla.), Vol. 97, No. 51, Ed. 1 Thursday, March 23, 2000
Weekly newspaper from Wynnewood, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 23, 2000
Creator:
unknown
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Yellow Jacket (Brownwood, Tex.), Vol. 90, No. 19, Ed. 1, Thursday, March 23, 2000
Weekly student newspaper from Howard Payne University in Brownwood, Texas that includes local, state and campus news along with advertising.
Date:
March 23, 2000
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History