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  • MAN/SYSTEM TECHNOLOGY AND LIFE SUPPORT  (13)
  • Acidic deposition  (1)
  • COMMUNICATIONS  (1)
  • Habitat  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Emergence chronology of brook charr,Salvenus fontinalis, alevins in an acidic stream (1991)
    Springer
    Environmental biology of fishes 31 (1991), S. 25-31 
    Details
    ISSN: 1573-5133
    Keywords: Acidic deposition ; Snowmelt runoff ; Stream pH depressions ; Early life history ; Salmonid fish
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Synopsis The emergence chronology of brook charr alevins in the Chikanishing River, Ontario, Canada and the concurrent changes in stream chemistry resulting from acidic snowmelt runoff were examined during the spring, 1986–1988. Emergence patterns were similar among years with the most intense emergence (〉 70%) occurring during the declining stream discharge following the spring flood. This period coincided with stream pH depressions (minimum pH 5.2) in 2 of 3 years, suggesting emergence behaviour frequently subjects the earliest free-swimming life interval of brook charr to episodic acidification events.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00002155
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Growth and food of young-of-the-year brook charr,Salvelinus fontinalis, in lake and creek environments (1993)
    Springer
    Environmental biology of fishes 37 (1993), S. 131-138 
    Details
    ISSN: 1573-5133
    Keywords: Bioenergetics ; Habitat ; Social behaviour ; Timber harvesting ; Fish ; Salmonid
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Synopsis Growth and diet of brook charr,Salvelinus fontinalis, during their first weeks of exogenous feeding were compared between the nearshore zone of a central Ontario lake and its small, inlet creeks. Food selection was related to size and age of charr and possibly availability of food items. Mean growth was similar between habitats despite differences in consumed food types and caloric values. Differences in social behaviour may have been responsible for different patterns of growth between habitats. The importance of creek habitats to the dynamics and fitness of lake populations of brook charr are suggested.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00000588
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    Paper (German National Licenses)
    Fulltext
  • 3
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    Experiments in pilot decision-making during simulated low visibility approaches (1975)
    In:  CASI
    Details
    Publication Date: 2006-01-11
    Description: A simulation task is reported which incorporates both kinds of variables, informational and psychological, to successfully study pilot decision making behavior in the laboratory. Preliminary experiments in the measurement of decisions and the inducement of stress in simulated low visibility approaches are described.
    Keywords: MAN/SYSTEM TECHNOLOGY AND LIFE SUPPORT
    Type: 11th Ann. Conf. on Manual Control; p 19-32
    Format: text
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    NASA TECHNICAL REPORTS
  • 4
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    A Model for the Effectiveness of Aircraft Alerting and Warning Systems (1984)
    In:  CASI
    Details
    Publication Date: 2016-06-07
    Description: The effectiveness of an alerting system with a single alert was analyzed. The pilot's decision behavior is modeled by the theory of signal detection and therefore accounts for different strengths of cross check information and different pilot criteria. The model includes the effects of the alerting and warning system (CAWS) error rate; the pilot's past experience with the CAWS accuracy; his reliance on the CAWS rather than independent monitoring; missed alerts; and adoption of a minimum error or Neyman-Pearson objective rather than minimum cost objective. It is showwn that for rare events: (1) the expected cost is greatly increased if the pilot ignores the a posteriori information in the existence of an alert; (2) the expected cost is insensitive to CAWS Type 1 errors; and (3) the expected cost is sensitive to CAWS type 2 errors only when the cross check information is ambiguous.
    Keywords: MAN/SYSTEM TECHNOLOGY AND LIFE SUPPORT
    Type: 20th Ann. Conf. on Manual Control, Vol. 1; p 299
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 5
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    What Pilots like (and Don't Like) About the New Cockpit Technology (1984)
    In:  CASI
    Details
    Publication Date: 2014-09-16
    Description: Pilot's perceptions of the new cockpit technology in the B-767 are discussed. Although the data reported were taken from the introductory experience of the B-767, it is felt that similar, if not identical, results would be obtained with any other new cockpit technology aircraft, i.e., the A310. The following conclusions were drawn from the information collected thus far: A large majority of the pilots enjoy flying the B-767 more than the older airplanes. The pilots accept the new cockpit technology, and they choose to use it because they find it useful. The pilots are aware of the possible loss of flying skill with the presence of automation, and they hand fly (usually with flight director) to prevent this loss. There is no evidence of loss of skills from the data collected. The primary points of confusion or surprise were autothrottle/autopilot interactions; the autopilot during the wrong way or not capturing the course; and achieving desired results with the Flight Management System/Control Display Unit (FMS/CDU). The pilots felt training for the FMS/CDU could be improved, and they especially wanted more hands on experience.
    Keywords: MAN/SYSTEM TECHNOLOGY AND LIFE SUPPORT
    Type: 20th Ann. Conf. on Manual Control, Vol. 2; p 199-216
    Format: text
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  • 6
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    Worth assessments of approach to landing (1977)
    In:  Other Sources
    Details
    Publication Date: 2011-08-17
    Description: The objective of worth assessment is to determine a descriptive model of how attributes of a set of objects are combined into preferences for the objects. The technique is described and is applied to the assessment of worth functions in approach to landing for general aviation and air carrier pilots.
    Keywords: MAN/SYSTEM TECHNOLOGY AND LIFE SUPPORT
    Format: text
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    NASA TECHNICAL REPORTS
  • 7
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    Flight-deck automation - Promises and problems (1980)
    In:  Other Sources
    Details
    Publication Date: 2011-08-18
    Description: The paper analyzes the role of human factors in flight-deck automation, identifies problem areas, and suggests design guidelines. Flight-deck automation using microprocessor technology and display systems improves performance and safety while leading to a decrease in size, cost, and power consumption. On the other hand negative factors such as failure of automatic equipment, automation-induced error compounded by crew error, crew error in equipment set-up, failure to heed automatic alarms, and loss of proficiency must also be taken into account. Among the problem areas discussed are automation of control tasks, monitoring of complex systems, psychosocial aspects of automation, and alerting and warning systems. Guidelines are suggested for designing, utilising, and improving control and monitoring systems. Investigation into flight-deck automation systems is important as the knowledge gained can be applied to other systems such as air traffic control and nuclear power generation, but the many problems encountered with automated systems need to be analyzed and overcome in future research.
    Keywords: MAN/SYSTEM TECHNOLOGY AND LIFE SUPPORT
    Type: Ergonomics; 23; Oct. 198
    Format: text
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  • 8
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    Human factors of flight-deck automation - Report on a NASA-industry workshop (1983)
    In:  Other Sources
    Details
    Publication Date: 2011-08-18
    Description: The scope of automation, the benefits of automation, and automation-induced problems were discussed at a workshop held to determine whether those functions previously performed manually on the flight deck of commercial aircraft should always be automated in view of various human factors. Issues which require research for resolution were identified. The research questions developed are presented. Previously announced in STAR as N81-16022
    Keywords: MAN/SYSTEM TECHNOLOGY AND LIFE SUPPORT
    Type: Ergonomics (ISSN 0014-0139); 26; 953-961
    Format: text
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  • 9
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    Flight-deck automation: Promises and problems (1980)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The state of the art in human factors in flight-deck automation is presented. A number of critical problem areas are identified and broad design guidelines are offered. Automation-related aircraft accidents and incidents are discussed as examples of human factors problems in automated flight.
    Keywords: MAN/SYSTEM TECHNOLOGY AND LIFE SUPPORT
    Type: NASA-TM-81206 , A-8210
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 10
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    Nonlinear estimation with quantized measurements - PCM predictive quantization, and data compression (1968)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Nonlinear estimation with quantized measurements and application to pulse code modulation, data compression, and predictive quantization
    Keywords: COMMUNICATIONS
    Type: NASA-CR-97197 , RE-45
    Format: application/pdf
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