14,340 research outputs found
Illinois River 2000 Pollutant Loads at Arkansas 59 Bridge
Automatic water samplers and a U. S. Geological Survey gauging station were established in 1995 on the main stem of the Illinois River at the Arkansas Highway 59 Bridge. Since that time, continuous stage and discharge measurements and water quality sampling have been used to determine pollutant concentrations and loads in the Arkansas portion of the Illinois River. This report represents the results from the measurement and sampling for January 1, 2000 to December 31, 200
Illinois River 1998 Nutrient and Suspended Sediment Loads at Arkansas Highway 59 Bridge
Automatic water samplers and a U.S. Geological Survey (USGS) gauging station were established in 1995 on the main stem of the Illinois River at the Arkansas Highway 59 Bridge. Since that time, continuous stage and discharge measurements and water quality sampling have been used to determine pollutant concentrations and loads in the Arkansas portion of the Illinois River. This report represents the results from the measurement and sampling for January 1, 1998 to December 31, 1998
Illinois River 2001 Pollutant Loads At Arkansas Highway 59 Bridge
Automatic water samplers and a U. S. Geological Survey gauging station were established in 1995 on the main stem of the Illinois River at the Arkansas Highway 59 Bridge. Since that time, continuous stage and discharge measurements and water quality sampling have been used to determine pollutant concentrations and loads in the Arkansas portion of the Illinois River. This report represents the results from the measurement and sampling for January 1, 2001 to December 31, 2001
Autumn Foods of White-Tailed Deer in Arkansas
Rumen contents from 65 hunter-harvested deer were collected and analyzed during 1985-86 to estimate the principal autumn foods consumed by white-tailed deer inhabiting the Ozark Mountains, Arkansas River Valley, and Gulf Coastal Plain regions of Arkansas. Deer in the Ozarks and Coastal Plain fed heavily on woody browse species, which comprised 99% of rumina identified from these 2 regions. Acorns were the primary food of deer in these heavily forested areas. Acorns and other woody browse were less important to deer inhabiting the Arkansas River Valley. In this region of interspersed agricultural fields and bottomland forests, soybeans and corn comprised 75% of the diet, and acorns accounted for only 2%
Reproductive Performance of Female White-Tailed Deer on Holla Bend National Wildlife Refuge
Aspects of the reproductive biology of female white-tailed deer (Odocoileus virginianus) on Holla Bend National Wildlife Refuge were investigated by examining the reproductive tracts of 121 deer harvested during the 1985-90 archery seasons. The presence of corpora albicantia in yearlings suggested that 27% of female fawns conceived, producing a mean of 1.0 ova/breeding fawn. Pregnancy rates among yearlings and adults averaged 94% and 97%, respectively. Ovulation rates averaged 1.4 and 2.0 ova/female among yearlings and adults. Some females were ovulating in early-October, but the earliest conceptions occurred during the last week of October. The peak breeding period for yearlings and adults was during mid- and late-November. No fawns ovulated prior to December 1. The implantation rate averaged 91% among yearlings and adults
Nonlinear Acoustics at GHz Frequencies in a Viscoelastic Fragile Glass Former
Using a picosecond pump-probe ultrasonic technique, we study the propagation
of high-amplitude, laser-generated longitudinal coherent acoustic pulses in the
viscoelastic fragile glass former DC704. We observe an increase of almost ten
percent in acoustic pulse propagation speed of its leading shock front at the
highest optical pump fluence which is a result of the supersonic nature of
nonlinear propagation in the viscous medium. From our measurement we deduce the
nonlinear acoustic parameter of the glass former in the GHz frequency range
across the glass transition temperature.Comment: 5 pages, 3 figure
Constitutional Law - Equal Protection in Class Legislation - Colorado Sunday Closing Statute Upheld
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