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Topic Review
Low-Carbon Behavior and Theory of Planned Behavior Framework
The theory of planned behavior (TPB) describes individual behavior and has been extensively utilized in studying pro-environmental behavior and low-carbon travel behavior (LTB). According to TPB, an individual’s behavioral intention is determined by attitudes, subjective norms, and perceived behavioral controls, and behavior is determined by behavioral intentions. Attitude refers to an individual’s positive or negative attitude towards a certain behavior, subjective norm refers to the social pressure that individuals perceive to participate or not in a certain behavior, and perceived behavioral control refers to the degree of difficulty an individual perceives for a certain behavior.
  • 339
  • 16 Oct 2023
Topic Review
Low-Carbon Logistics Capability
It is crucial to figure out how to achieve sustainable economic growth while fostering the growth of the logistics sector and the economy by expanding low-carbon logistics capability. The term "low-carbon logistics capacity" refers to a logistics operation's capacity to achieve sustainable development in the context of the needs of the low-carbon economy. Research and development capacity, economic development, energy consumption, and other considerations, have an impact on low-carbon logistics capability. Enhancing low-carbon logistics capability does not imply that the logistics sector should cut energy use and pursue a zealous reduction in carbon emissions; rather, it aims to improve the sector's energy use efficiency.
  • 256
  • 24 Aug 2023
Topic Review
Low-carbon tourism supply chain
Low-carbon tourism is a kind of way to reduce the "carbon" tourism, that is, in the tourism activities, tourists try to reduce the carbon dioxide emissions. That is, green travel based on low energy consumption and low pollution, advocating the minimum reduction of carbon footprint and carbon dioxide emissions during travel, is also a deep-seated performance of environmental tourism. This paper integrates a low-carbon tourism supply chain consisting of a low-carbon tourist attraction (LTA) providing a low-carbon service and an online travel agency (OTA) responsible for big data marketing. Consumers may also encounter sudden crisis events that occur in the tourist attraction during their visit, and the occurrence of crisis events can damage the low-carbon goodwill of the tourist attraction to the detriment of the sustainable development of the supply chain. Therefore, this paper aims to investigate how tourism firms can develop dynamic strategies in the pre-crisis environment if they envision the occurrence of a crisis event and how crisis events affect interfirm cooperation. Our findings provide important managerial insights for enterprises in the tourism supply chain and suggest that they need to not only become aware of the tourist attraction crisis events, but also, more importantly, they need to adjust their appropriate input strategies based on the degree of anticipation of the crisis. 
  • 1.2K
  • 13 Aug 2021
Topic Review
Low-Carbon Travel Motivation and Constraint
Carbon dioxide emissions resulting from travel and tourism activities account for 5–14% of the world’s total carbon dioxide emissions. They are rising at a rate of 3.2% per year. Transportation (e.g., aircraft, cars, and boats), accommodation, and tourism activities represent the primary means tourism consumes energy and produces carbon emissions. Jarratt and Davies have asserted that tourists could slow the rise in carbon emissions, by consuming less fuel and reducing their carbon emissions. Thus, promoting low-carbon travel has become a topic of interest to the tourism industry and academic circles over the past ten to twenty years.
  • 641
  • 09 May 2022
Topic Review
Low-CO2 Emission, Dual-Fuel RCCI Engine
Combustion of fuels in internal combustion engines is based on the use of one type of fuel which is ignited either by forced spark ignition (SI) or by compression ignition (CI). The highest efficiency is currently achievable thanks to the ignition of a homogeneous air–fuel mixture in homogeneous charge compression ignition (HCCI) engines, where the ignition of all the fuel in the combustion chamber occurs simultaneously. This combustion takes place at a lower temperature than in a classic diesel engine, which leads to lower heat losses and the formation of less NOX, which translates into higher thermal efficiency for engines with this type of ignition.
  • 628
  • 24 Jan 2022
Topic Review
Low-Cost Computer-Vision-Based Embedded Systems for Unmanned Aerial Vehicles
Unmanned Aerial Vehicles (UAVs) are versatile, adapting hardware and software for research. They are vital for remote monitoring, especially in challenging settings such as volcano observation with limited access. In response, economical computer vision systems provide a remedy by processing data, boosting UAV autonomy, and assisting in maneuvering. Through the application of these technologies, researchers can effectively monitor remote areas, thus improving surveillance capabilities. Moreover, flight controllers employ onboard tools to gather data, further enhancing UAV navigation during surveillance tasks. 
  • 262
  • 14 Nov 2023
Topic Review
Low-Level Jets in Heavy Rainfall in Taiwan
During the early summer rainy season over Taiwan, three types of low-level jets are observed, including a synoptic low-level jet (SLLJ) situated in the 850–700 hPa layer in the frontal zone, a marine boundary layer jet (MBLJ) embedded within the southwesterly monsoon flow over the northern South China Sea at approximately the 925 hPa level, and an orographically induced jet at approximately the 1 km level off the northwestern Taiwan coast (e.g., barrier jet (BJ)).
  • 575
  • 31 Mar 2022
Topic Review
Lowland Irrigated Areas of Ethiopia
Ethiopia’s irrigated agriculture productivity has been threatened by severe salinity and sodicity problems which have resulted in significantly lower yields, food insecurity, and environmental degradation. The destructive effects of poor irrigation water management with the absence of drainage and anticipated future climate changes can accelerate the formation of salt-affected soil, potentially expanding the problem to currently unaffected regions. 
  • 1.5K
  • 22 Dec 2021
Topic Review
Maastrichtian Vertebrates of Lbero-Armorica
The South-Pyrenean Basin (northeastern Spain) has yielded a rich and diverse record of Upper Cretaceous (uppermost Campanian−uppermost Maastrichtian) vertebrate fossils, including the remains of some of the last European dinosaurs prior to the Cretaceous-Paleogene (K-Pg) extinction event. In this work, we update and characterize the vertebrate fossil record of the Arén Sandstone and Tremp formations in the Western Tremp Syncline, which is located in the Aragonese area of the Southern Pyrenees. The transitional and continental successions of these sedimentary units are dated to the late Maastrichtian, and exploration of their outcrops has led to the discovery of numerous fossil remains (bones, eggshells, and tracks) of dinosaurs, including hadrosauroids, sauropods, and theropods, along with other tetrapods such as crocodylomorphs, testudines, pterosaurs, squamates, and amphibians. In particular, this fossil record contains some of the youngest lambeosaurine hadrosaurids (Arenysaurus and Blasisaurus) and Mesozoic crocodylomorphs (Arenysuchus and Agaresuchus subjuniperus) in Europe, complementing the lower Maastrichtian fossil sites of the Eastern Tremp Syncline.
  • 731
  • 10 May 2021
Topic Review
Machine Learning Development
ML models can be classified into several types depending on the task objectives, such as regression, classification, reinforcement learning, generative models, and so on.  Regarding ML models available for regression prediction, all ML models in the collected research were classified into 4 categories: traditional convex optimization-based models (TCOB models), tree models, linear regression (LR), and modern deep-learning structure models (modern DL structure). 
  • 473
  • 30 Dec 2021
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