Relevant bibliographies by topics / Spatial ability

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Spatial ability'

Author: Grafiati
Published: 4 June 2021
Last updated: 30 July 2024

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Journal articles on the topic "Spatial ability"

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Kozhevnikov, Maria, and Mary Hegarty. "A dissociation between object manipulation spatial ability and spatial orientation ability." Memory & Cognition 29, no. 5 (July 2001): 745–56. http://dx.doi.org/10.3758/bf03200477.

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Sanders, Barbara. "Mathematical ability, spatial ability, and remedial training." Behavioral and Brain Sciences 11, no. 2 (June 1988): 208–9. http://dx.doi.org/10.1017/s0140525x00049554.

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Colom, Roberto, Mª José Contreras, Juan Botella, and José Santacreu. "Vehicles of spatial ability." Personality and Individual Differences 32, no. 5 (April 2002): 903–12. http://dx.doi.org/10.1016/s0191-8869(01)00095-2.

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Suh, Joori, and Ji Young Cho. "Linking spatial ability, spatial strategies, and spatial creativity: A step to clarify the fuzzy relationship between spatial ability and creativity." Thinking Skills and Creativity 35 (March 2020): 100628. http://dx.doi.org/10.1016/j.tsc.2020.100628.

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Tsunashima, Mayuko, Yuji Takano, and Shunji Awazu. "Spatial learning ability of silkworms." Proceedings of the Annual Convention of the Japanese Psychological Association 78 (September 10, 2014): 3AM—1–087–3AM—1–087. http://dx.doi.org/10.4992/pacjpa.78.0_3am-1-087.

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West, Thomas G. "Brain drain, reconsidering spatial ability." ACM SIGGRAPH Computer Graphics 32, no. 3 (August 1998): 13–14. http://dx.doi.org/10.1145/281278.281283.

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Barke, Hans-Dieter. "Chemical education and spatial ability." Journal of Chemical Education 70, no. 12 (December 1993): 968. http://dx.doi.org/10.1021/ed070p968.

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Kirby, John R., and Douglas R. Boulter. "Spatial ability and transformational geometry." European Journal of Psychology of Education 14, no. 2 (June 1999): 283–94. http://dx.doi.org/10.1007/bf03172970.

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Campos, Alfredo, and Diego Campos-Juanatey. "Measure of Spatial Orientation Ability." Imagination, Cognition and Personality 39, no. 4 (December 18, 2019): 348–57. http://dx.doi.org/10.1177/0276236619896268.

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The aim of this study was to design a test to measure a person’s ability to orient themselves on a “you are-here” map. The Spatial Orientation Skills Test, a test measuring spatial orientation ability, consists of 30 items, each item contains two maps, one is positioned at 0° (the model), and the other is the same map but amplified and rotated. The task participants were required to perform was to find their way around on the model map to get to a specific point by taking as a reference point the position indicated on the amplified and rotated map. A sample of 281 university undergraduates participated in the study. The test obtained a Cronbach alpha of .83. The test was significantly correlated to the test measuring image rotation. The results are discussed, and new lines of research are proposed.
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Vorstenbosch, Marc A. T. M., Tim P. F. M. Klaassen, A. R. T. Rogier Donders, Jan G. M. Kooloos, Sanneke M. Bolhuis, and Roland F. J. M. Laan. "Learning anatomy enhances spatial ability." Anatomical Sciences Education 6, no. 4 (January 24, 2013): 257–62. http://dx.doi.org/10.1002/ase.1346.

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Dissertations / Theses on the topic "Spatial ability"

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Jones, Catherine Mary. "Sex differences in spatial ability." Thesis, University of Edinburgh, 2003. http://hdl.handle.net/1842/15115.

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Gardner, Janet E. "Spatial Ability in Registered Nurses." Thesis, University of North Texas, 2014. https://digital.library.unt.edu/ark:/67531/metadc499989/.

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Spatial ability is the skill associated with mental relations among objects, the process of maintaining the physical aspects of an object after mentally rotating it in space. Many studies report a strong association of spatial ability with success in various areas of health care, especially surgery, radiology and dentistry. To date, similar investigations in professional nursing could not be located. Registered nurses, employed in an acute care multi-hospital setting, were surveyed using the Shipley-2Block Pattern Test, the Group Embedded Figures Test, and a newly created test of general nursing knowledge. The sample size of 123 nurses was composed of 31 male nurses and 92 female nurses. Data was collected between May and August of 2013 and analyzed using R, version 2.15.2. The present study did not demonstrate a statistically significant effect for gender differences on two measures of spatial ability. However, Cohen’s d effect sizes for mean gender differences in the present study are consistent with prior studies. This may suggest the nursing profession is comparable with other professions where males perform higher than females on spatial ability. The present study should be considered an initial step toward evaluating the relevance of spatial ability in the performance of nursing care.
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Baldwin, Tammy Katherine. "Spatial Ability Development in the Geosciences." Thesis, The University of Arizona, 2003. http://hdl.handle.net/10150/249233.

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We designed an experiment to evaluate change in students' spatial skills as a result of specific interventions. Our test subjects included high school students in earth science classes, college level non-science majors enrolled in large enrollment introductory geoscience courses and introductory level geoscience students. All students completed spatial tests to measure their ability to mentally rotate three-dimensional objects and to construct a three-dimensional object from a two-dimensional representation. Results show a steady improvement in spatial skills for all groups. They also indicate that students choosing science majors typically have much higher spatial skills as they enter college. Specific interventions to improve spatial skills included having a subgroup of the non-science majors and high school students complete a suite of Geographic Information System (GIS) activities. The intervention at the high school level was more extensive and resulted in significant improvements in both categories of spatial ability. At the college level, the non-science majors that received the intervention showed no significant difference from those that did not, probably because the time spent on the intervention was too short. The geoscience majors had nearly three times the improvement of non-science majors in both categories of spatial ability attributed to hands-on weekly laboratory experiences. These results reveal a wide range of abilities among all groups of students, and suggest that we evaluate teaching strategies in all courses to ensure that students can interpret and understand the visual imagery used in lectures.
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Lee, Jong Won. "Effect of gis learning on spatial ability." Diss., Texas A&M University, 2003. http://hdl.handle.net/1969.1/3896.

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This research used a spatial skills test and cognitive-mapping test to examine the effect of GIS learning on the spatial ability and spatial problem solving of college students. A total of 80 participants, undergraduate students at Texas A&M University, completed pre- and post- spatial skills tests administered during the 2003 fall semester. Analysis of changes in the students’ test scores revealed that GIS learning could help students improve their spatial ability. Strong correlations existed between the participants’ spatial ability and their performance in the GIS course. The research also found that spatial ability improvement linked to GIS learning was not significantly related to differences in gender or to academic major (geography majors vs. science and engineering majors). A total of 64 participants, recruited from students enrolled in Introduction to GIS and Computer Cartography at Texas A&M University, completed pre- and post- cognitive-mapping tests administered during the 2003 fall semester. Students’ performance on the cognitive-mapping test was used to measure their spatial problem solving. The study assumed that the analysis of the individual map-drawing strategies would reveal information about the cognitive processes participants used to solve their spatial tasks. The participants were requested to draw a map that could help their best friends find their way to three nearby commercial locations. The map-drawing process was videotaped in order to allow the researcher to classify subjects’ map-drawing strategies. The study identified two distinctive map-drawing strategies: hierarchical and regional. Strategies were classified as hierarchical when subjects began by drawing the main road network across the entire map, and as regional when they completed mapping sub-areas before moving on to another sub-area. After completion of a GIS course, a significant number of participants (about half) changed their map-drawing strategies. However, more research is necessary to address why these changes in strategy came about.
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Naylor, Susan J. "Spatial context effects on temporal and spatial factors in map memory /." Thesis, Connect to Dissertations & Theses @ Tufts University, 1999.

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Thesis (Ph.D.)--Tufts University, 1999.
Adviser: Holly A. Taylor. Submitted to the Dept. of Psychology. Includes bibliographical references (leaves 59-61). Access restricted to members of the Tufts University community. Also available via the World Wide Web;
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Billen, Elaine. "Gender differences in spatial ability within virtual reality." Thesis, Abertay University, 2004. https://rke.abertay.ac.uk/en/studentTheses/85a75f1f-db6f-4975-9d01-9f9877100605.

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The main question that this study addressed was whether the gender differences found in performance within Virtual Reality (VR) are due purely to innate spatial ability differences or due to, at least in part, environmental factors. Examination of the differences, as a function of virtual or real training environments, is important to understanding what can be accomplished with virtual environments and what aspects of VR needs to be studied further in order to maximise their effectiveness. Contemporary research into VR has suggested sex differences in performance are due to females having a poorer innate ability to mentally rotate objects and that this ability underpins the ability to navigate successfully both real and a three- dimensional computer generated world. Mental rotation tests (MRT) were used to measure spatial ability as these have been shown to produce consistent and robust sex difference. Environmental factors such as motivation, self-perception and practice were used to manipulate performance on the MRTs to ascertain whether such factors were as important as biological differences. A virtual environment (VE) was also used to test participants on their visualisation, orientation and way­finding skills along with their ability to recall information from the VE. The main results showed that in seven of the nine MRTs and also in the VE tests, no significant sex differences were found. The conclusion was that although there are biological differences that have evolved a male advantage with regards to spatial ability, changes in society and the perception of gender roles has to some degree offered females experience with spatial tasks. Environmental factors have to be considered as the tests showed that practice can reduce and perhaps even eliminate differences in spatial performance although not necessarily at the higher end of problem solving. The Motivation and Self-perception tests clearly showed how such environmental factors either increase or indeed decrease performance depending on how they are manipulated. With regards to VR and spatial ability, special attention has been given to the role of computer games companies. It has been recognised that games are an introduction to computer literacy and that games can improve spatial skills and interface proficiency. Girls are being discouraged from taking an active involvement in gaming because of the male orientated content of most games. Females are under-performing within VR and sex differences are one form of explanation however it is possible that lack of experience and lack of motivation to interact with computer technology are also important issues to be addressed.
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Lokasari, Andre. "Spatial ability cognitive model with ACT-R 6.0." [Ames, Iowa : Iowa State University], 2008.

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Manrique, Carissa Janice. "Effects of Using Logic and Spatial Cybergames to Improve Student Success Rates in Lower-Division Chemistry Courses." Thesis, University of North Texas, 2011. https://digital.library.unt.edu/ark:/67531/metadc68010/.

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A study was conducted to investigate the relationships between cybergaming treatment groups and the control group (N = 99: ncontrol = 8; nlogic = 29; nspatial = 30; ncombination = 32) with success in the organic chemistry I course as measured by achievement over a 10-week period. The treatment groups included logic training, spatial training, and combination logic-spatial training. Students' ability was measured by pre/post exams using the Group Assessment of Logical Thinking (GALT) to measure logic ability, Purdue Visualizations of Rotations (ROT) test to measure spatial skills, and the General-Organic-Biochemistry (GOB) Exam to measure content attainment. Finally, students' responses about participation in this experience were evaluated using open- and closed-ended questions on a self-developed survey. A second study was conducted to evaluate the relationship between the cybergaming treatment and control groups (N = 88: nexperimental = 27; ncontrol = 61) with success in the general chemistry I course as measured by achievement and final course averages and grades. The cybergaming treatment group underwent intensive combination logic-spatial training for 10 weeks. Students' progress was measured using three pre/post instruments: Group Assessment of Logical Thinking (GALT) measured logic ability, Purdue Visualizations of Rotations (ROT) Test measured spatial skills, and the California Chemistry Diagnostic Exam measured content attainment. Finally, students' responses about their participation in this experience were evaluated using open- and closed-ended questions on a self-developed survey. Analyses of the data were performed to determine the relationships between cybergaming treatments and control groups in organic chemistry I and general chemistry I courses. In organic chemistry I results showed no statistical or practical significance as to students' success. In general chemistry I results indicated statistical significance and medium practicality for students with an average grade of C and for females over males as to improvement of spatial skills.
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Ho, Chun-Heng. "Spatial Cognition in Design." Diss., Georgia Institute of Technology, 2006. http://hdl.handle.net/1853/14150.

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Previous studies suggest that 3D visualization is fundamental to design spatial cognition, and the capability to work with 3D mental or physical models and taking perspective views from a set of 2D drawings are essential parts of design education, although there is no definitive evidence that can directly support these beliefs. This dissertation focuses on the issues of how spatial capabilities correlate with design performance and whether design education can improve students' spatial capabilities. Two types of capabilities tests, i.e. spatial capability test and general reasoning test, are used, and there are 251 Georgia Tech undergraduate students involved in this research. The results of this research suggest that the correlations between design studio performance and the tested factors are more salient among female students than male students. While female students generally have lower spatial capabilities than male students in design, they can take advantage of their general reasoning capability to compensate for the lack of the other two spatial capabilities and perform well in design studio. A stepwise regression further reveals that, for the female design student group, the general reasoning capability is the only predictor for their design performance. However, no significant interaction is observed in the male design student group between tested capabilities and design studio performance. As a result, there seems to exist a threshold requirement in spatial capabilities for design major students. After passing this threshold, other factors such as domain specific skills and knowledge or self-motivation would likely to be the dominant one. Lastly, although the results show the tested capabilities are all important for design major students from different perspectives, the design education does not show any contribution in the improvement of these capabilities.
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Alias, Maizam. "Spatial visualisation ability and problem solving in civil engineering." Thesis, Online version, 2000. http://ethos.bl.uk/OrderDetails.do?did=1&uin=uk.bl.ethos.325666.

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Books on the topic "Spatial ability"

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Rogers, Nigel. Spatial ability in ultrasonographers. [Guildford]: [University of Surrey], 1991.

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Khine, Myint Swe, ed. Visual-spatial Ability in STEM Education. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-44385-0.

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Mizzi, Angel. The Relationship between Language and Spatial Ability. Wiesbaden: Springer Fachmedien Wiesbaden, 2017. http://dx.doi.org/10.1007/978-3-658-20632-1.

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Maier, Peter Herbert. Räumliches Vorstellungsvermögen: Komponenten, geschlechtsspezifische Differenzen, Relevanz, Entwicklung und Realisierung in der Realschule. Frankfurt am Main: P. Lang, 1994.

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Beverly, Steffert, Padgett Ian, Art Dyslexia Trust, and Central Saint Martins College of Art & Design. Research Centre., eds. Visual spatial ability and dyslexia: A research project. London: Central Saint Martins College of Art and Design, Research Centre, 1999.

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1946-, Levy Norman, ed. Mechanical aptitude & spatial relations tests. 5th ed. Australia: ARCO /Thomson Learning, 2001.

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Carretta, Thomas R. Spatial ability as a predictor of flight training performance. Brooks Air Force Base, Tex: Air Force Human Resources Laboratory, Air Force Systems Command, 1987.

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1946-, Levy Norman, ed. Mechanical aptitude and spatial relations tests. 3rd ed. New York: Macmillan, 1996.

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Norman, Levy, and Arco Publishing, eds. Mechanical aptitude and spatial relations tests. 4th ed. New York: Macmillan, 1999.

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1946-, Levy Norman, ed. Mechanical aptitude and spatial relations tests. 2nd ed. New York: Prentice Hall, 1992.

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Book chapters on the topic "Spatial ability"

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Irani, Farzin. "Visual-Spatial Ability." In Encyclopedia of Clinical Neuropsychology, 2652–54. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-0-387-79948-3_1418.

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Irani, Farzin, and Celita J. Owens. "Visual-Spatial Ability." In Encyclopedia of Clinical Neuropsychology, 1–3. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-56782-2_1418-2.

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Irani, Farzin, and Celita J. Owens. "Visual-Spatial Ability." In Encyclopedia of Clinical Neuropsychology, 3650–53. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-57111-9_1418.

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Offit, Paul A., Anne Snow, Thomas Fernandez, Laurie Cardona, Elena L. Grigorenko, Carolyn A. Doyle, Christopher J. McDougle, et al. "Visual-Spatial Ability." In Encyclopedia of Autism Spectrum Disorders, 3326–28. New York, NY: Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4419-1698-3_1712.

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Ray-Subramanian, Corey. "Visual-Spatial Ability." In Encyclopedia of Autism Spectrum Disorders, 5148–49. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-319-91280-6_1712.

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Pellegrino, J. W. "Components of Spatial Ability." In Human Assessment: Cognition and Motivation, 384–85. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4406-0_53.

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Wang, Lu. "Various Spatial Skills, Gender Differences, and Transferability of Spatial Skills." In Visual-spatial Ability in STEM Education, 85–105. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-44385-0_5.

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Nagy-Kondor, Rita. "Spatial Ability: Measurement and Development." In Visual-spatial Ability in STEM Education, 35–58. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-44385-0_3.

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Bock, R. D., and M. Zimowski. "Measuring of Spatial Visualising Ability." In Human Assessment: Cognition and Motivation, 383. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4406-0_52.

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Cheng, Yi-Ling. "The Improvement of Spatial Ability and its Relation to Spatial Training." In Visual-spatial Ability in STEM Education, 143–72. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-44385-0_8.

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Conference papers on the topic "Spatial ability"

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Fincannon, Thomas, Florian Jentsch, Brittany Sellers, and Joseph R. Keebler. "Beyond "spatial ability"." In the seventh annual ACM/IEEE international conference. New York, New York, USA: ACM Press, 2012. http://dx.doi.org/10.1145/2157689.2157718.

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Schenck, Kelsey. "Connecting Mathematics, Spatial Ability, and Spatial Anxiety." In 2020 AERA Annual Meeting. Washington DC: AERA, 2020. http://dx.doi.org/10.3102/1570419.

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Nurkaidah, Ikrar Pramudya, and Sri Subanti. "HOTS Problem-Solving Ability and Its Relation to Spatial Ability." In International Conference of Mathematics and Mathematics Education (I-CMME 2021). Paris, France: Atlantis Press, 2021. http://dx.doi.org/10.2991/assehr.k.211122.029.

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Yu, Minjing, Yong-Jin Liu, Guozhen Zhao, Chun Yu, and Yuanchun Shi. "Spatial Ability Improvement by Tangible Interaction." In CHI '18: CHI Conference on Human Factors in Computing Systems. New York, NY, USA: ACM, 2018. http://dx.doi.org/10.1145/3170427.3188545.

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Putu Aditya Antara, Putu, and Putu Aditya Antara. "The Analysis of Children’s Spatial Ability." In Proceedings of the 5th International Conference on Education and Technology (ICET 2019). Paris, France: Atlantis Press, 2019. http://dx.doi.org/10.2991/icet-19.2019.19.

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Hong, Jon-Chao, Ming-Yueh Hwang, Kai-Hsin Tai, and Chi-Ruei Tsai. "Training Spatial Ability through Virtual Reality." In 2018 IEEE International Conference on Teaching, Assessment, and Learning for Engineering (TALE). IEEE, 2018. http://dx.doi.org/10.1109/tale.2018.8615333.

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Sinaga, Venina, Edi Syahputra, and Hermawan Syahputra. "The Influence of Spatial Ability, Visual Thinking Ability, and Combinatorics Ability on Students Mathematical Problem Solving Ability." In Proceedings of the 5th International Conference on Science and Technology Applications, ICoSTA 2023, 2 November 2023, Medan, Indonesia. EAI, 2024. http://dx.doi.org/10.4108/eai.2-11-2023.2343264.

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Clifton, Paul. "Designing embodied interfaces to support spatial ability." In the 8th International Conference. New York, New York, USA: ACM Press, 2013. http://dx.doi.org/10.1145/2540930.2558151.

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Chang, Jack Shen-Kuen, Georgina Yeboah, Alison Doucette, Paul Clifton, Michael Nitsche, Timothy Welsh, and Ali Mazalek. "Evaluating the effect of tangible virtual reality on spatial perspective taking ability." In SUI '17: Symposium on Spatial User Interaction. New York, NY, USA: ACM, 2017. http://dx.doi.org/10.1145/3131277.3132171.

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Johnson, Elijah T., and Karen S. McNeal. "EXPLORING THE SPATIAL ABILITY PERCEPTIONS OF UNDERGRADUATE STUDENTS." In GSA Annual Meeting in Phoenix, Arizona, USA - 2019. Geological Society of America, 2019. http://dx.doi.org/10.1130/abs/2019am-334784.

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Reports on the topic "Spatial ability"

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Bradshaw, Gary, and J. M. Giesen. Dynamic Measures of Spatial Ability, Executive Function, and Social Intelligence. Fort Belvoir, VA: Defense Technical Information Center, March 2003. http://dx.doi.org/10.21236/ada414704.

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Stephens, Robert L. The Relationship Between Cognitive Ability and the Iconic Processing of Spatial and Identity Information. Fort Belvoir, VA: Defense Technical Information Center, February 1989. http://dx.doi.org/10.21236/ada208586.

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Huynh, Diana N., and Johannes Lidmo. Nordic overview of national support initiatives in urban planning. Nordregio, December 2022. http://dx.doi.org/10.6027/pb2022:7.2001-3876.

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The Nordic countries share many cross-sectoral targets at the national level to meet ambitious environmental, social, sustainable, and innovative development goals and targets. However, in the context of spatial planning, central governments in the Nordic countries often have limited ability to influence local and regional level priorities. As the Nordic region seeks a greener, more competitive, and socially sustainable future, understanding the diversity of ongoing national interventions and mechanisms in local and regional land use and spatial planning is needed. The focus on Nordic national support initiatives is therefore to understand both the regulative and national support aspects (top-down) and the actual needs (bottom-up) to achieve national cross-sectoral targets as these relate to green and inclusive urban development. This policy brief presents a mapping of the relevant initiatives across the Nordic countries (Denmark, Finland, Iceland, Norway and Sweden).
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Lappi, Tiina-Riitta, and Miika Tervonen. Public Spaces, Placemaking and Integration of Migrants in Finland. Institute of Development Studies, June 2022. http://dx.doi.org/10.19088/ids.2022.045.

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Placemaking and urban public spaces are important but often neglected factors in the integration and wellbeing of forcibly displaced people and other migrants. Placemaking – a multifaceted approach to the planning, design, and management of public spaces – is highly relevant for many migrants, for whom spaces outside the home are important for building community and promoting wellbeing. Yet migrants tend to have limited access and ability to use public spaces and are under-represented in urban planning processes. Efforts to integrate migrants need to explicitly address spatial aspects, and processes of urban planning and redevelopment need to be more inclusive.
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Yuval, Boaz, and Todd E. Shelly. Lek Behavior of Mediterranean Fruit Flies: An Experimental Analysis. United States Department of Agriculture, July 2000. http://dx.doi.org/10.32747/2000.7575272.bard.

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The Mediterranean fruit fly, Ceratitis capitata (Diptera: Tephritidae), is a ubiquitous pest of fruit trees, causing significant economic damage both in the U.S. and in Israel. Control efforts in the future will rely heavily on the sterile insect technique (SIT). Success of such operations hinges on the competitive ability of released males. The mating system of the medfly is based on leks. These are aggregations of sexually signaling males that attract females (who then select and copulate a courting male). A major component of male competitiveness is their ability to join existing leks or establish leks that are attractive to wild females. Accordingly, we identified leks and the behaviors associated with them as critical for the success of SIT operations. The objectives of this proposal were to determine 1. what makes a good lek site, 2. what are the energetic costs of lekking, 3. how females choose leks, and finally 4. whether the copulatory success of sterile males may be manipulated by particular pre-release diets and judicious spatial dispersal. We established that males choose lek sites according to their spatial location and penological status, that they avoid predators, and within the lek tree choose the perch that affords a compromise between optimal signalling, micro-climatic conditions and predation risk (Kaspi & Yuval 1999 a&b; Field et al 2000; Kaspi & Yuval submitted). We were able to show that leks are exclusive, and that only males with adequate protein and carbohydrate reserves can participate (Yuval et al 1998; Kaspi et al 2000; Shelly et al 2000). We determined that females prefer leks formed by protein fed, sexually experienced males (Shelly 2000). Finally, we demonstrated that adding protein to the diet of sterile males significantly enhances their probability of participating in leks and copulating wild females (Kaspi & Yuval 2000).
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Grimley, Hart, and Viana. PR-015-07604-R01 Clamp-On Ultrasonic Flow Meters as Diagnostic Tools. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), June 2008. http://dx.doi.org/10.55274/r0011006.

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Over the past several years, improvements in clamp-on ultrasonic meter technology have caused increased interest in applying this technology within the natural gas industry. Clamp-on ultrasonic meters (CUSMs), which are mounted on the outside of a pipe, send and receive ultrasonic waveforms through the pipe wall. This configuration offers several potential advantages over in-line meters, including portability and the ability to be installed without shutdown and disassembly of the pipeline. CUSMs, like their in-line counterparts, use sophisticated electronics to control the meter operation and to monitor parameters such as transducer signal strength, path velocities, and speed of sound. Because of these features, CUSMs are being considered for their potential as in-situ verification and as diagnostic tools. Having such portable tools to quickly verify meter performance would save considerable time in troubleshooting causes of lost and unaccounted-for (LAUF) gas, thus, minimizing overall LAUF totals. The ability to validate meter performance in-situ would also significantly reduce operating and maintenance costs of metering stations, particularly costs of unnecessary recalibrations. This project specifically addressed the ability of a CUSM to measure distorted profiles with sufficient resolution to determine if the flow is properly conditioned for flow measurement by other meter types. It also addressed the accuracy with which CUSM measurements, performed with sufficient spatial fidelity, can be used to provide a reference flow rate for in-situ meter proving. The test approach was to traverse a single ultrasonic transducer pair around the perimeter of the pipe in sufficiently small increments to measure the flow field at a given pipe cross section independent of the amount of flow distortion present. Velocity profile measurements performed at the same locations were used as an independent check of the CUSMs profile sensitivity.
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Cohen, Yafit, Carl Rosen, Victor Alchanatis, David Mulla, Bruria Heuer, and Zion Dar. Fusion of Hyper-Spectral and Thermal Images for Evaluating Nitrogen and Water Status in Potato Fields for Variable Rate Application. United States Department of Agriculture, November 2013. http://dx.doi.org/10.32747/2013.7594385.bard.

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Potato yield and quality are highly dependent on an adequate supply of nitrogen and water. Opportunities exist to use airborne hyperspectral (HS) remote sensing for the detection of spatial variation in N status of the crop to allow more targeted N applications. Thermal remote sensing has the potential to identify spatial variations in crop water status to allow better irrigation management and eventually precision irrigation. The overall objective of this study was to examine the ability of HS imagery in the visible and near infrared spectrum (VIS-NIR) and thermal imagery to distinguish between water and N status in potato fields. To lay the basis for achieving the research objectives, experiments in the US and in Israel were conducted in potato with different irrigation and N-application amounts. Thermal indices based merely on thermal images were found sensitive to water status in both Israel and the US in three potato varieties. Spectral indices based on HS images were found suitable to detect N stress accurately and reliably while partial least squares (PLS) analysis of spectral data was more sensitive to N levels. Initial fusion of HS and thermal images showed the potential of detecting both N stress and water stress and even to differentiate between them. This study is one of the first attempts at fusing HS and thermal imagery to detect N and water stress and to estimate N and water levels. Future research is needed to refine these techniques for use in precision agriculture applications.
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Li, Howell, Jijo K. Mathew, Woosung Kim, and Darcy M. Bullock. Using Crowdsourced Vehicle Braking Data to Identify Roadway Hazards. Purdue University, 2020. http://dx.doi.org/10.5703/1288284317272.

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Modern vehicles know more about the road conditions than transportation agencies. Enhanced vehicle data that provides information on “close calls” such as hard braking events or road conditions during winter such as wheel slips and traction control will be critical for improving safety and traffic operations. This research applied conflict analyses techniques to process approximately 1.5 million hard braking events that occurred in the state of Indiana over a period of one week in August 2019. The study looked at work zones, signalized intersections, interchanges and entry/exit ramps. Qualitative spatial frequency analysis of hard-braking events on the interstate demonstrated the ability to quickly identify temporary and long-term construction zones that warrant further investigation to improve geometry and advance warning signs. The study concludes by recommending the frequency of hard-braking events across different interstate routes to identify roadway locations that have abnormally high numbers of “close calls” for further engineering assessment.
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Kontou, Eleftheria, Yen-Chu Wu, and Jiewen Luo. Electric Vehicle Infrastructure Plan in Illinois. Illinois Center for Transportation, December 2022. http://dx.doi.org/10.36501/0197-9191/22-023.

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We study the allocation of dynamic electric vehicle charging investments from the policymaker’s perspective, which aims to meet statewide emission-reduction targets for the Illinois passenger vehicle sector. We determine statewide charging deployment trajectories over a 30-year planning horizon and estimate their emission reduction. Electric vehicle demand functions model the electrified vehicle market growth and capture network externalities and spatial heterogeneity. Our analysis indicates that most chargers need to be deployed in the first 10 to 15 years of the transition to allow benefits to accrue for electric vehicle drivers, availability of home charging influences consumers’ choice and drivers’ electrified travel distance, charging stations should be prioritized for frequent long-distance drivers, and spatial effects are crucial in accurately capturing the demand for electric vehicles in Illinois. We also develop a multi-criteria suitability map to site charging stations for electric vehicles based on economic, societal, and environmental justice indicators. We identify census tracts that should be prioritized during Illinois’ statewide deployment of charging infrastructure along with interstates and major highways that traverse them. Major interstates and highways I-90, I-80, I-55, and I-57 are identified as having high siting suitability scores for charging stations. Last, a novel location model was developed for equitable electric vehicle charging infrastructure placement in the Illinois interstate and major highway network. Two objectives were set to reduce detours and improve the ability to complete long-distance trips for low-income electric vehicle travelers and multi-unit dwelling residents. Our analysis indicates that if the system’s efficiency is the only consideration, low-income/multi-unit housing resident travelers are most likely to fail to complete their trips, while an equitable charging siting could mitigate this issue.
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Russo, David, Daniel M. Tartakovsky, and Shlomo P. Neuman. Development of Predictive Tools for Contaminant Transport through Variably-Saturated Heterogeneous Composite Porous Formations. United States Department of Agriculture, December 2012. http://dx.doi.org/10.32747/2012.7592658.bard.

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The vadose (unsaturated) zone forms a major hydrologic link between the ground surface and underlying aquifers. To understand properly its role in protecting groundwater from near surface sources of contamination, one must be able to analyze quantitatively water flow and contaminant transport in variably saturated subsurface environments that are highly heterogeneous, often consisting of multiple geologic units and/or high and/or low permeability inclusions. The specific objectives of this research were: (i) to develop efficient and accurate tools for probabilistic delineation of dominant geologic features comprising the vadose zone; (ii) to develop a complementary set of data analysis tools for discerning the fractal properties of hydraulic and transport parameters of highly heterogeneous vadose zone; (iii) to develop and test the associated computational methods for probabilistic analysis of flow and transport in highly heterogeneous subsurface environments; and (iv) to apply the computational framework to design an “optimal” observation network for monitoring and forecasting the fate and migration of contaminant plumes originating from agricultural activities. During the course of the project, we modified the third objective to include additional computational method, based on the notion that the heterogeneous formation can be considered as a mixture of populations of differing spatial structures. Regarding uncertainly analysis, going beyond approaches based on mean and variance of system states, we succeeded to develop probability density function (PDF) solutions enabling one to evaluate probabilities of rare events, required for probabilistic risk assessment. In addition, we developed reduced complexity models for the probabilistic forecasting of infiltration rates in heterogeneous soils during surface runoff and/or flooding events Regarding flow and transport in variably saturated, spatially heterogeneous formations associated with fine- and coarse-textured embedded soils (FTES- and CTES-formations, respectively).We succeeded to develop first-order and numerical frameworks for flow and transport in three-dimensional (3-D), variably saturated, bimodal, heterogeneous formations, with single and dual porosity, respectively. Regarding the sampling problem defined as, how many sampling points are needed, and where to locate them spatially in the horizontal x₂x₃ plane of the field. Based on our computational framework, we succeeded to develop and demonstrate a methdology that might improve considerably our ability to describe quntitaively the response of complicated 3-D flow systems. The results of the project are of theoretical and practical importance; they provided a rigorous framework to modeling water flow and solute transport in a realistic, highly heterogeneous, composite flow system with uncertain properties under-specified by data. Specifically, they: (i) enhanced fundamental understanding of the basic mechanisms of field-scale flow and transport in near-surface geological formations under realistic flow scenarios, (ii) provided a means to assess the ability of existing flow and transport models to handle realistic flow conditions, and (iii) provided a means to assess quantitatively the threats posed to groundwater by contamination from agricultural sources.
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