-
Article
Wet-bulb, dew point, and air temperature trends in Spain
This study analyses trends of mean (T m), maximum (T x), minimum (T n), dew point (T d), and wet-bulb temperatures (
-
Article
Correcting soil water balance calculations for dew, fog, and light rainfall
In Mediterranean climates, adoption and use of the ET-based scheduling method is limited to regions characterized by considerable contributions to evapotranspiration from fog interception, dew, and light rainf...
-
Article
Estimation of actual evapotranspiration in winegrape vineyards located on hillside terrain using surface renewal analysis
Sensible and latent heat flux densities were estimated in a level vineyard, a northeast aspect vineyard and a southwest aspect vineyard in the Napa Valley of California using the eddy covariance and surface re...
-
Article
Structure Function Analysis of Two-Scale Scalar Ramps. Part I: Theory and Modelling
Structure functions are used to study the dissipation and inertial range scales of turbulent energy, to parametrize remote turbulence measurements, and to characterize ramp features in the turbulent field. Ram...
-
Article
Structure Function Analysis of Two-Scale Scalar Ramps. Part II: Ramp Characteristics and Surface Renewal Flux Estimation
Ramp features in the turbulent scalar field are associated with turbulent coherent structures, which dominate energy and mass fluxes in the atmospheric surface layer. Although finer scale ramp-like shapes embe...
-
Article
The New Materials Science and Engineering Curriculum at the Ohio State University
A new Materials Science and Engineering (MSE) curriculum is in effect at the Ohio State University starting fall, 2002. This curriculum is composed of four parts:
-
...
-
Article
An improved model for determining degree-day values from daily temperature data
Although using hourly weather data offers the greatest accuracy for estimating growing degree-day values, daily maximum and minimum temperature data are often used to estimate these values by approximating the...
-
Article
Temperature data for phenological models
In an arid environment, the effect of evaporation on energy balance can affect air temperature recordings and greatly impact on degree-day calculations. This is an important consideration when choosing a site ...
-
Article
Synthesis of Copper and Lithium Copper Ferrites as High Magnetization Materials
The ferrite with composition Cu0.5Fe2.5O4 was heat treated in air and in reducing atmospheres to different temperatures within the solid solution region confirmed by dynamic high-temperautre x-ray characterizatio...
-
Article
Anisotropic Thermal Expansion of Barium Hexaferrite Using Dynamic High-temperature X-ray Diffraction
Barium hexaferrite is a well-known ceramic permanent magnet and due to its high coercivity, remanence, and large uniaxial magnetic anisotropy, finds applications that compete with metallic magnets. Even though...
-
Article
An evaluation of common evapotranspiration equations
A comparison is made between the Pruitt and Doorenbos version of an hourly Penman-type equation, the Food and Agriculture Organization (FAO) hourly Penman-Monteith equation, and an independent measure of refe...
-
Article
Determining degree-day thresholds from field observations
This paper compares several methods for determining degree-day (°D) threshold temperatures from field observations. Three of the methods use the mean developmental period temperature and simple equations to esti...
-
Article
Surface Fourier transform-infrared spectral study of the effect of silver and carbon in Tl0.5Pb0.5Sr2CaCu2O7-δ
The relation between the effect of silver on the amount of residual carbon and the rate of carbonate build-up on the surface of the particles of Tl1212 and Bi2212 was studied by infrared spectroscopy using a d...
-
Article
The structural conditions for high-temperature superconductivity
In this article, all of the known superconducting systems are surveyed, and the structural conditions required for high-temperature superconductivity in the cuprate system are reviewed. This article does not f...
-
Article
Nanophase Copper Ferrite Using an Organic Gelation Technique
Nanocrystalline copper ferrite (Cu0.5Fe2.5O4) was synthesized using a forward strike gelation method with polyacrylic acid (PAA) as a gelating agent. The dried gel was calcined at a low temperature of 400 °C to g...
-
Article
Surface renewal analysis for sensible and latent heat flux density
High frequency temperature measurements were recorded at five heights and surface renewal (SR) analysis was used to estimate sensible heat flux density (H) over 0.1 m tall grass. Traces of the temperature data sh...
-
Article
Production and water use in lettuces under variable water supply
The effects of a variable water supply on the water use, growth and yield of two crisphead and one romaine (i.e., Cos) lettuce cultivar were examined in a field experiment using a line source sprinkler system ...
-
Chapter
A Guide to Automated Weather Station Networks in North America
Automated weather station (AWS) networks are increasingly being used to gather weather data for agricultural and other bioclimatic applications. Many manually read conventional weather station (CWS) networks a...
-
Article
Investigation of Copper Ferrite, Cu0.5Fe2.5O4, as a High Saturation Magnetization Material
The ferrite of composition Cu0.5Fe2.5O4, prepared using a conventional solid-state processing route, was soaked at different temperatures between 1200°C and 1350°C, for an hour, in air. The samples were rapidly q...
-
Article
Effect of ag on processing and properties of Bi-and Tl-Based HTSC Materials
High temperature x-ray diffraction was used to determine the effect of Ag on the peritectic melting sequence of low carbon content Bi2Sr2CaCu2O8. Only slight changes in the solid solution compositions were found ...
