List

NOAA collects meteorological measurements in open ocean and coastal marine environments from research vessels, data buoys and commercial ships for use in numerical weather prediction, global climate change research, and severe storm identification. The current system cost for robust marine automated meteorological stations is too high to allow ubiquitous use on all the available platforms. Throu ...

The NOAA Environmental Technology Laboratory seeks to perform advanced wide-area mapping of soil moisture and salinity. This requires a large scanning antenna with aerodynamic form, narrow beamwidth, high efficiency, and dual polarization. This antenna system must provide operation at L-band (1400-1427 MHz) and C-band (6.0-6.5 GHz). This large aperture must maintain stable performance independe ...

Fabrication of stable, nearly 100% internal carrier collection efficiency silicon photodiodes (AXUV diodes) for 1 nm to 600 nm photons was successfully demonstrated by us several years ago. Owing to their excellent characteristics, these devices are being used by NIST as transfer standards in 5 nm to 250 nm range and aboard SOHO, SNOE and TIMED instruments for the EUV solar spectrum studies. Alt ...

An innovative optical system with 500X higher ¿tendu and spatial resolution will be designed for CCD-based bistatic lidar. A 100¿ vertical field of view is required to image the laser beam from the ground through the boundary layer, but only a few degrees are required in the horizontal direction. The proposed design is based on dividing the vertical field of view into N sectors, using 1D rasteri ...

Open-ocean aquaculture businesses are proving commercially successful. There are several refinements this technology must undergo in order to maximize productivity. One of the specific areas of refinement is in gathering detailed statistical knowledge of the captive fish stock population as a function of time. This knowledge will allow optimization of feed rates. Optimized feed rates will mini ...

An automated, high precision, lightweight gas chromatograph, capable of measuring hydrogen (H2), methane (CH4), carbon monoxide (CO) and carbon dioxide (CO2) with a fast duty cycle (1 sample per two minutes) will be designed and built. The detector used for the chromatograph will be an electron capture detector with sensitivity enhanced by addition of nitrous oxide (N2O) reagent gas. The instrum ...

A need exists for economical, high capacity softwre to aid medical and engineering researchers to more easily and consistently calculate forces acting on vehicle occupants during real-world crashes. One example of such research is NHTSA's Crash Injury research and Engineering Network (CIREN), which in adition to collecting injury and vehicle information, has increasing access to data from Event D ...

Spray drift is one of the most significant issues presently facing agricultural applicators. Agricultural applicators are committed to the management of chemical drift and take responsibility on a daily basis for making good decisions in the field. Material that drifts off-site is material that is not applied to the target crop or pest and represents both wasted time and wasted material. This equa ...

Hybrid striped bass (HSB) aquaculture has become the fourth largest form of U.S. finfish production, trailing only catfish, trout, and salmon in market value. To compete effectively with low-cost foreign imports, U.S. HSB producers need to develop advanced strains that grow more rapidly and convert feed more efficiently. However, HSB are produced from two parental species (white bass and striped b ...

Reports indicate that children are far from attaining the Healthy People 2010 goals for nutrition and physical activity. Schools are likely the most efficacious setting for delivering nutrition and physical activity education to children. Effective and convenient tools are needed for educators to communicate health information to an elementary school population. The purpose of this study is to eva ...