University of Maine

About: University of Maine is a education organization based out in Orono, Maine, United States. It is known for research contribution in the topics: Population & Ice sheet. The organization has 8637 authors who have published 16932 publications receiving 590124 citations. The organization is also known as: University of Maine at Orono.

Seasonal patterns and environmental control of carbon dioxide and water vapour exchange in an ecotonal boreal forest

Abstract: Carbon dioxide, water vapour, and sensible heat fluxes were measured above and within a spruce dominated forest near the southern ecotone of the boreal forest in Maine, USA.

Cyberbullying: causes, effects, and remedies

Abstract: Purpose – The purpose of this paper is to present research exploring the pervasiveness and causes of cyberbullying, the psychological impact on students, and the responses to cyberbullying from students and administrators. The goal is to give school leaders a greater understanding of this phenomenon and suggest steps to deal with this challenging issue.Design/methodology/approach – The data are collected from 351 students using a survey, which contains limited choice, scaled response, and open‐ended questions. This qualitative/quantitative design enables collection of data from a large population along with rich qualitative data that expand and explain students' experiences.Findings – The paper reveals that cyberbullying emerges most commonly from relationship problems (break‐ups, envy, intolerance, and ganging up); victims experience powerfully negative effects (especially on their social well‐being); and the reactive behavior from schools and students is generally inappropriate, absent, or ineffective.R...

Personality, situation, and creativity.

Abstract: Because creativity has to do with the production of new ideas, one might think that its study rightly falls within the domain of cognitive psychology. Of course, creativity involves cognition, but it involves a type of cognition that seems only to occur within a matrix of associated motivational, attitudinal, and personalogical traits. Thus, to understand creativity, the person as a whole must be considered. Because of this, theories about the creative process have traditionally been personality theories rather than purely cognitive theories. In 1949, Guilford (1950) pointed out that we did not know enough about creativity. We can never know too much about the creative personality, but we certainly know more than I could hope to cover in this chapter. For more information, the reader may consult the reviews of the literature by Dellas and Gaier (1970), Wallach (1970), Stein (1974), Taylor and Getzels (1975), and Barron and Harrington (1981).

Properties of recycled concrete aggregate and their influence in new concrete production

Abstract: This manuscript presents a review of the potential and challenge of using recycled concrete aggregate (RCA) as the substitute for natural aggregate (NA) in concrete mixtures. Using RCA in concrete preserves the environment by reducing the need for opening new aggregate quarries and decreases the amount of construction waste that goes into landfill. The properties of RCA such as specific gravity, absorption, and the amount of contaminant present in it contribute to the strength and durability of concrete. The quality of RCA depends on the features of the original aggregate and the condition of the demolished concrete. Some researchers have reported that the use of RCA degrades concrete properties while others have successfully produced RCA concrete with a performance that matched normal concrete (NC). In addition to the influence of RCA to concrete properties, this paper also evaluates multiple techniques to improve the performance of RCA concrete, reported cost savings in concrete production and recommendations regarding the application of RCA in concrete.