نتایج جستجو برای: travel distance

تعداد نتایج: 278219  

Journal: :Travel behaviour and society 2022

• SP experiment based on the Hierarchical Information Integration (HII) theory. Comfort rating followed by long-distance travel mode choice experiment. Estimating willingness to use night trains over airplanes for travel. The comfort level is most important determinant train choice. Perceived influenced accommodation’s privacy. After several decades of decline, services have gained momentum in ...

Journal: :Chest 2021

TOPIC: Transplantation TYPE: Original Investigations PURPOSE: The regionalization of lung transplant care offers patients access to experienced clinical teams in the peri-operative time period. However, after recipients often must travel a wide range distances regularly return center for longitudinal outpatient care. It is unknown whether patient distance from residential zip code associated wi...

Journal: :Frontiers in water 2021

Plastic accumulation in the marine environment is a major concern given harmful effects and longevity of plastics at sea. Although rivers are likely to significantly contribute flux plastic systems, behaviour debris fluvial systems remains poorly understood estimates riverine derived from field measurements modelling efforts highly uncertain. This paper presents new probabilistic model transpor...

Journal: :Management Science 2010
Susan Budge Armann Ingolfsson Dawit Zerom

Using administrative data for high-priority calls in Calgary, Alberta, we estimate how ambulance travel times depend on distance. We find that a logarithmic transformation produces symmetric travel-time distributions with heavier tails than those of a normal distribution. Guided by non-parametric estimates of the median and coefficient of variation, we demonstrate that a previously proposed mod...

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