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  • Articles  (205)
  • Blackwell Publishing Ltd  (205)
  • American Association for the Advancement of Science (AAAS)
  • Emerald
  • Institute of Physics
  • 1975-1979  (205)
  • Economics  (123)
  • Architecture, Civil Engineering, Surveying  (82)
Collection
  • Articles  (205)
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  • 1
    Electronic Resource
    Electronic Resource
    COMPUTER PROGRAMMING FOR MAXIMUM MODELING INFORMATION TRANSFER (1978)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the American Water Resources Association 14 (1978), S. 0 
    Details
    ISSN: 1752-1688
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying , Geography
    Notes: Abstract: The diffuculty in understanding the listings of many available hydrologic models programmed in FORTRAN is a serious limitation to their verification and use. By expending more effort in creating clearly written computer programs, more information can be transferred to those interested in modeling hydrologic process. The use of simulation languages to produce more understandable program listings and increase the flow of informationg is recommended. An example is presented in which surface water runoff from storms on small rural watershedds is modeled.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1752-1688.1978.tb02130.x
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  • 2
    Electronic Resource
    Electronic Resource
    BACTERIAL RELATIONSHIPS IN STORMWATERS (1977)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the American Water Resources Association 13 (1977), S. 0 
    Details
    ISSN: 1752-1688
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying , Geography
    Notes: : Data were developed within a three-year period for indicator bacteria and three species of bacterial pathogens following rural storm event hydrographs. The first flush concept was confirmed in all hydrographs. Bacterial density peaking occurred at or before the hydrograph peaks. FC and FS values were higher in more developed areas than the primary rural test site and their numerical ratios followed similar trends. Chlorine demand of storm waters varied between 8 and 16 mg/l and, the ozone requirement was greater than 32 mg/l in the same waters. Aftergrowth of total coliform bacteria occurred following chlorine and ozone doses of 16 mg/l and 32 mg/l respectively. Fecal coliform, fecal streptococci, Salmonella sp., and Pseudomonas sp. all were reduced to near detectable limits by the disinfectants up to 8 days. Staphylococcus sp. demonstrated a propensity to restablish their populations. Multiple regression analysis of the bacterial groups and species in storm waters suggested the fecal streptococci to have been the most useful group in evaluating bacterial storm water quality, with staphylocci have been closely related insofar as their statistical significance was concerned.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1752-1688.1977.tb03856.x
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  • 3
    Electronic Resource
    Electronic Resource
    Experience in the use of research planning diagrams in a synthetic fibres R & D unit (1977)
    Oxford, UK : Blackwell Publishing Ltd
    R & D management 7 (1977), S. 0 
    Details
    ISSN: 1467-9310
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: Abstract. This paper describes the introduction and use of the Research Planning Diagram (RPD) notation in ICI Fibres Limited. Experimenting with the approach has led to the conclusion that it is very useful for planning and controlling development projects but we do not think it serves a real purpose when applied to basic research with a high level of technical content. Support is provided for the view that the RPD notation should be used to give prominence to decisions and that it can be employed as a communications link between different functions in a business area responsible for the successful completion of a project. The paper explains how the RPD notation is used on a routine basis in the management of development projects and describes the benefits that have been derived from its implementation. An illustration is included to show how the notation has been modified to permit criteria and data, relevant to the analysis of key decisions, to be added to the diagram.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1467-9310.1977.tb01333.x
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  • 4
    Electronic Resource
    Electronic Resource
    PHYTOPLANKTON IN THE FOX CHAIN OF LAKES (1979)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the American Water Resources Association 15 (1979), S. 0 
    Details
    ISSN: 1752-1688
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying , Geography
    Notes: : As part of a comprehensive water quality investigation on the Fox Chain of Lakes during May to October 1975, water samples from the Chain and Cedar Lake (reference) at 25 locations were collected weekly or bi-weekly to determine the species and densities of algae. The results have been evaluated for algal composition, density, and succession for each location.Sixty-four algal species were recovered from 414 samples. The number of species per sampling location varied from 10 at Channel Lake and Lake Marie to 26 on Fox Lake (main) and Grass Lake. Blue green algae were predominant and occurred at 25 of the 25 sampling stations. They consisted mainly of Aphanizomenon flos-aquae. The only flagellate of importance was Ceratium hirundinella, and significant concentrations of this organism were limited to Channel Lake and Lake Catherine. The only green alga bloom was created by Ulothrix variabilis on the waters of Pistakee Lake. Diatoms were quite significant on the shallower water bodies.Algal densities ranged from about 25 to 14,000 cts/ml. The highest count occurred on Mineola Bay. Other high counts (〉10,000 cts/ml) observed were waters taken from Channel Lake, Grass Lake, and Fox Lake (main). In Grass Lake, 60 percent of the collections had algal densities in excess of 2,000 cts/ml. Most of these were the diatom Cyclotella meneghiniana.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1752-1688.1979.tb01076.x
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  • 5
    Electronic Resource
    Electronic Resource
    FRESH GROUND WATER STORED IN AQUIFERS UNDER THE CONTINENTAL SHELF: IMPLICATIONS FROM A DEEP TEST, NANTUCKET ISLAND, MASSACHUSETTS (1977)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the American Water Resources Association 13 (1977), S. 0 
    Details
    ISSN: 1752-1688
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying , Geography
    Notes: : A deep water-resource and stratigraphic test well near the center of Nantucket Island, about 40 miles (64 km) off the New England Coast, has encountered freshwater at greater depth than predicted by the Ghyben-Herzberg principle. An uppermost lens of fresh-water, which occupies relatively permeable glacial-outwash sand and gravel to a depth of 520 ft. (158 m), is probably in hydrodynamic equilibrium with the present level of the sea and the height of the water table. However, two zones of freshwater between 730-820 ft. (222-250 m) and 900-930 ft. (274-283 m) are anomalously deep. A third zone extending from 1150-1500 ft. (350-457 m) contains slightly salty ground water (2 to 3 parts per thousand dissolved solids). Several explanations are possible, but the most likely is that large areas of the Continental Shelf were exposed to recharge by precipitation during long periods of low sea level in Pleistocene time. After the last retreat of glacial ice, seawater rapidly drowned the shelf around Nantucket Island. Since then, about 8000 years ago, the deep freshwater zones which underlie dense clay layers have not had time to adjust to a new equilibrium. Under similar circumstances freshwater may remain trapped under extensive areas of the Continental Shelf wherever clay confining beds have not permitted saltwater to intrude rapidly to new positions of hydrodynamic equilibrium. The implications are far reaching because all continental shelfs were exposed to similar hydrologic influences during Pleistocene time.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1752-1688.1977.tb02031.x
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  • 6
    Electronic Resource
    Electronic Resource
    DEVELOPMENT OF WATER QUALITY MANAGEMENT INDICES (1975)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the American Water Resources Association 11 (1975), S. 0 
    Details
    ISSN: 1752-1688
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying , Geography
    Notes: : In a joint undertaking by The MITRE Corporation and the EPA Office of Water Programs Operations, three indices were developed: (1) An index of water quality; (2) An index of the need for abatement action; and (3) An index of the need for water quality management planning. These indices were evaluated for some 1000 planning areas (sub basins, regional planning jurisdictions, metropolitan areas, etc.) which together cover essentially all of the area of the 48 contiguous states.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1752-1688.1975.tb00697.x
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  • 7
    Electronic Resource
    Electronic Resource
    Creativity and organization in pharmaceuticals R & D (1978)
    Oxford, UK : Blackwell Publishing Ltd
    R & D management 8 (1978), S. 0 
    Details
    ISSN: 1467-9310
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: This paper reviews the results of a study carried out in conjunction with the Chemical and Allied Products Industry Training Board to link internal environmental factors of an organization to measures of creativity in R & D in the pharmaceutical industry. The methods adopted have been described and the preliminary results of the pilot study carried out in one organization in order to develop, refine and test methodology. It is hoped in the future that the techniques developed will be extended to provide comparisons in other organizations in the pharmaceutical industry in order to draw firm conclusions. The paper also sets the study in the context of a brief historical review of other studies in this field. It is concluded that the investigation has evolved a methodology capable of identifying and measuring some facilitatory and inhibitory influences on creativity in an R & D environment, allowing comparisons to be drawn between environmental influences in different parts of the same organization.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1467-9310.1978.tb01287.x
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  • 8
    Electronic Resource
    Electronic Resource
    PHOTOGRAMMETRY IN THE THIRD WORLD An edited version of a discussion which took place at the Technical Meeting of the Society on 13th December, 1977. (1978)
    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 9 (1978), S. 0 
    Details
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Notes: A panel of speakers, knowledgeable in the problems of photogrammetry in the Third World, led a discussion which considered the place of sophisticated photogrammetric equipment in the Third World, problems of technician and management training, the desire for self reliance, and the needs of map revision.〈section xml:id="abs1-2"〉〈title type="main"〉RésuméUne confrontation entre photogrammètres sur le sujet photogrammétrie et tiers-monde; équipement, instruction des techniciens, problèmes d'organisation, désir d'autonomie, révision des cartes.〈section xml:id="abs1-3"〉〈title type="main"〉ZusammenfassungEin Forum von Kennern der Probleme der Dritten Welt führte eine Diskussion über den Platz moderner Geräteausrüstungen in diesen Ländern, über Probleme der Ausbildung von Technikern und Führungskadern und erörterte den Wunsch nach Selbstbestätigung und die Notwendigkeit zur Laufendhaltung von Karten.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1477-9730.1978.tb00446.x
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  • 9
    Electronic Resource
    Electronic Resource
    ERRORS IN PARALLAX MEASUREMENTS AND THEIR ASSESSMENT IN STUDENT EXERCISES (1975)
    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 8 (1975), S. 0 
    Details
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Notes: A plot of relative parallax measurements in a student exercise is proposed for revealing errors in parallax bar readings taken from a stereo-pair of aerial photographs. The sensitivity of the computed heights to measurement error is also evaluated.〈section xml:id="abs1-2"〉〈title type="main"〉RésuméOn propose un tracé graphique des mesures de parallaxe pour mettre en évidence des erreurs de lecture à la barre de parallaxe.〈section xml:id="abs1-3"〉〈title type="main"〉ZusammenfassungEs wird eine Auswertung relativer Parallaxenmessungen bei einer studentischen Übung vorgeschlagen, um Fehler der an einem Stereomikrometer vorgenommenen Ablesungen aufzudecken, die an Hand eines Luftbildpaars erfolgten. Der Einfluss des Messfehiers auf den Höhenfehler wird ebenfalls abgeschätzt.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1477-9730.1975.tb00815.x
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  • 10
    Electronic Resource
    Electronic Resource
    AN ALGORITHM FOR THE ON LINE PROCESSING OF X PARALLAX MEASUREMENTS (1979)
    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 9 (1979), S. 0 
    Details
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Notes: An algorithm for the generation of digital ground models is described. The algorithm is based on an approximate solution and uses data obtained with simple measuring equipment. Processing of the observations is carried out by an on line desk top computer and the results of some tests are given.〈section xml:id="abs1-2"〉〈title type="main"〉RésuméOn décrit un algorithme pour la génération de modèles de terrain digitaux. L'algorithme est basé sur une solution approximative et utilise des résultats obtenus avec un appareil de mesure simple. Les observations sont etudiées par une ordinateur de bureau lié directement et on donne les resultats de certains travaux.〈section xml:id="abs1-3"〉〈title type="main"〉ZusammenfassungBeschreibung eines Algorithmus zur Erzeugung digitaler Geländemodelle. Dieser basiert auf einer Näherungslösung und verwendet Daten, die mit einfachen Messgeräten gewonnen wurden. Die Datenverarbeitung wird mit Hilfe eines Tischrechners ausgeführt, und es werden einige Testergebnisse mitgeteilt.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1477-9730.1979.tb00127.x
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