نتایج جستجو برای: weather

تعداد نتایج: 42748  

2016
Chiang-Ming Chen Yu-Chen Lin Eldon Y. Li Chia-Chang Liu

Despite the existence of several weather studies in the tourism literature, there remain some gaps in knowledge. Uncertainty about weather conditions persists despite the impressive improvements in modern forecasting techniques. This study is a first attempt to investigate how weather uncertainty affects tourism demand. The findings indicate that the impact of weather on tourism demand is likel...

2007
Stefan Luckner

The results of recent studies on prediction markets are encouraging. Prior experience demonstrates that markets with different incentive schemes predicted uncertain future events at a remarkable accuracy. In this paper, we study the impact of different monetary incentives on the prediction accuracy in a field experiment. In order to do so, we compare three groups of users, corresponding to thre...

Journal: :Canadian journal on aging = La revue canadienne du vieillissement 2017
Philippa Clarke Jana A Hirsch Robert Melendez Meghan Winters Joanie Sims Gould Maureen Ashe Sarah Furst Heather McKay

The literature has documented a positive relationship between walkable built environments and outdoor mobility in older adults. Yet, surprisingly absent is any consideration of how weather conditions modify the impact of neighbourhood walkability. Using archived weather data linked to survey data collected from a sample of older adults in Vancouver, Canada, we found that car-dependent neighbour...

2010
Shawn R. Wolfe Deepak S. Kulkarni

An important function of traffic flow management ensuring the number of aircraft entering a sector does not exceed the amount that can be safely controlled by the sector controller. One factor that makes this task difficult is the uncertainty of the impact of convective weather, as both the weather forecast and the impact given specific weather is uncertain. In this investigation, we study this...

2000
LIXIN ZENG

SPRING 2000 T he impact of weather on business activities is enormous and varies both geographically and seasonally. For example, the 1982-1983 and 1997-1998 El Niño conditions were associated with warm winters in the eastern and midwestern U.S., resulting in significant energy cost savings for consumers and businesses. In addition, these conditions suppressed hurricane activities in the Atlant...

2009
John F. Love William N. Chan Chu Han Lee

This paper describes an integrated solution to traffic conflict detection and resolution with weather avoidance in the Center-TRACON Automation System. An automatic conflict resolution algorithm developed and tested to resolve aircraft-to-aircraft conflicts is modified to reroute aircraft around convective weather constraints while avoiding traffic conflicts. The approach extends algorithms whi...

2013
C. Bhargava P. S. R Murty P. Sreevani

This paper presents a two-stage restoration technique incorporating weather effect considerations in reliability cost/worth evaluation of distribution systems. The weather conditions play a significant role on the reliability of a given power system leading to frequent incidence of failures to overhead system and their effectiveness. The physical stresses exerted by adverse weather increase the...

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