Thirteen of the studies were published in public health related journals (mainly Accident Analysis & Prevention and the Journal of Safety Research), and nine were published in transportation engineering journals (mostly Transportation Research Record).
We review thresholds of functional loss for existing published surface transportation (i.e. road rail, maritime and airport) fragility functions that use ash thickness.
(2) Only those articles that had been published in transportation, aerospace sciences, energy & fuel, and environmental sciences related journals were selected, as these were the most appropriate outlet for FCO research in air transport.
In order to control for the prestige, and average citation rate, of the journals from which the articles were derived, five dummy variables represent the journals; TR = 1 if the article was published in Transportation, TR = 0 otherwise, etc.
However, to the best of our knowledge, no similar study has been conducted on articles published in transportation journals; leaving open ended the question whether a citation count is a valid measure of scientific merit in the research field of transportation.
The company believes that more businesses will shift their business models to subscriptions, across sectors like media and entertainment, transportation, publishing, industrial goods and retail.
Cost data from previous years were adjusted using consumer price indices for medical services and public transportation published by the Statistics Bureau of Japan [ 19], and wage indices published by the Japanese Ministry of Health, Labour and Welfare [ 20].
We also used published data on transportation development (number of private cars, number of buses, length of public motor roads with hard surface) obtained from the Federal District Statistical Service Federal State Statistics Servicee of the Russian Federation 2012).
There would be merit in establishing the inter-rater reliability of the PIM and applying it to a wider variety of studies, including those published in the transportation and urban planning literatures.
Past work published in the transportation literature has reported it is difficult to use rating scales in developing countries but short verbal rating scales have proven to be the most valid and reliable approach [ 42].
