A radiative transfer model for microwave emissions from bare agricultural soils

A radiative transfer model for microwave emissions from bare, stratified agricultural soils was developed to assist in the analysis of data gathered in the joint soil moisture experiment. The predictions of the model were compared with preliminary X band (2.8 cm) microwave and ground based observations. Measured brightness temperatures at vertical and horizontal polarizations can be used to estimate the moisture content of the top centimeter of soil with + or - 1 percent accuracy. It is also shown that the Stokes parameters can be used to distinguish between moisture and surface roughness effects

Solar cell radiation response near the interface of different atomic number materials

The response of cobalt 60 irradiated N/P silicon solar cells was measured as a function of the atomic number of the medium adjacent to the cell and the direction of the gamma ray beam. The interpositioning of various thicknesses of aluminum between the adjacent material and the cell had the effect of moving the cell to various locations in an approximate monatomic numbered medium. Using this technique the solar cell response was determined at various distances from the interface for gold and beryllium. The results were compared with predictions based upon ionization chamber measurements of dose perturbations in aluminum and found to agree within five percent. Ionization chamber data was then used to estimate the influence of various base contact materials

Diversity or Perversity? Investigating Queer Narratives, Resistance, and Representation in Aotearoa / New Zealand, 1948-2000

This thesis contributes to the burgeoning field of the history of sexuality in New Zealand and seeks to distill the more theorised and reflexive understanding of the subjectively understood queer male identity since 1948. Emerging from the disciplines of History and English, this project draws from a range of narratological materials: parliamentary debates contained in Hansard, and novels and short stories written by men with publicly avowed queer identities. This thesis explores how both 'normative' identity and the category of 'the homosexual' were constructed and mobilised in the public domain, in this case, the House of Representatives. It shows that members of the House have engaged with an extensive tradition of defining and excluding; a process by which state and public discourses have constructed largely unified, negative and othering narratives of 'the homosexual'. This constitutes an overarching narrative of queer experience which, until the mid-1990s, excluded queer subjects from its construction. At the same time, fictional narratives offer an adjacent body of knowledge and thought for queer men and women. This thesis posits literature's position as an important and productive space for queer resistance and critique. Such texts typically engage with and subvert 'dominant' or 'normative' understandings of sexuality and disturb efforts to apprehend precise or linear histories of 'gay liberation' and 'gay consciousness'. Drawing from the works of Frank Sargeson, James Courage, Bill Pearson, Noel Virtue, Stevan Eldred-Grigg, and Peter Wells, this thesis argues for a revaluing of fictional narratives as active texts from which historians can construct a matrix of cultural experience, while allowing for, and explaining, the determining role such narratives play in the discursively constructed understandings of gender and sexuality in New Zealand

Ultra-high speed electro-optical systems employing fiber optics final report

Ultrahigh speed electro-optical systems employing fiber optic

Shuttle mission simulator. Volume 2: Requirement report, volume 2, revision C

The requirements for space shuttle simulation which are discussed include: general requirements, program management, system engineering, design and development, crew stations, on-board computers, and systems integration. For Vol. 1, revision A see N73-22203, for Vol 2, revision A see N73-22204

Shuttle mission simulator requirements report, volume 1, revision C

The contractor tasks required to produce a shuttle mission simulator for training crew members and ground personnel are discussed. The tasks will consist of the design, development, production, installation, checkout, and field support of a simulator with two separate crew stations. The tasks include the following: (1) review of spacecraft changes and incorporation of appropriate changes in simulator hardware and software design, and (2) the generation of documentation of design, configuration management, and training used by maintenance and instructor personnel after acceptance for each of the crew stations

Results of soil moisture flights during April 1974

The results presented here are derived from measurements made during the April 5 and 6, 1974 flights of the NASA P-3A aircraft over the Phoenix, Arizona agricultural test site. The purpose of the mission was to study the use of microwave techniques for the remote sensing of soil moisture. These results include infrared (10-to 12 micrometers) 2.8-cm and 21-cm brightness temperatures for approximately 90 bare fields. These brightness temperatures are compared with surface measurements of the soil moisture made at the time of the overflights. These data indicate that the combination of the sum and difference of the vertically and the horizontally polarized brightness temperatures yield information on both the soil moisture and surface roughness conditions

Research in the effective implementation of guidance computers with large scale arrays Interim report

Functional logic character implementation in breadboard design of NASA modular compute

The effect of metapopulation processes on the spatial scale of adaptation across an environmental gradient

We show that the butterfly Aricia agestis (Lycaenidae) is adapted to its thermal environment in via integer changes in the numbers of generations per year (voltinism): it has two generations per year in warm habitats and one generation per year in cool habitats in north Wales (UK). Voltinism is an “adaptive peak” since individuals having an intermediate number of generations per year would fail to survive the winter, and indeed no populations showed both voltinism types in nature. In spite of this general pattern, 11% of populations apparently possess the “wrong” voltinism for their local environment, and population densities were lower in thermally intermediate habitat patches. Population dynamic data and patterns of genetic differentiation suggest that adaptation occurs at the metapopulation level, with local populations possessing the voltinism type appropriate for the commonest habitat type within each population network. When populations and groups of populations go extinct, they tend to be replaced by colonists from the commonest thermal environment nearby, even if this is the locally incorrect adaptation. Our results illustrate how stochastic population turnover can impose a limit on local adaptation over distances many times larger than predicted on the basis of normal dispersal movements