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PROCEEDINGS OF THE 11TH SIRWEC CONFERENCE, SAPPORO, JAPAN (26-28th JANUARY 2002)


SESSION 1: SEVERE WEATHER CONDITIONS

A model of depth and water equivalent of snow in an extensive area
S. Suizu, Y. Yamada
Abstract | PDF

Snow densities to estimate ground snow loads in mountainous areas of Japan
O. Abe, M. Shimizu
Abstract | PDF

Climatology of the traffic accident in Japan on the expressway with dense fog and a case study
A. Yamamoto
Abstract | PDF

Winter road and human factors - A study on driving behaviors under snowstorm-induced visibility hindrance
M. Kaneko, Y. Kajiya, Y. Fukuzawa, M. Matsuzawa
Abstract | PDF


SESSION 2: SENSORS AND EQUIPMENT

Floating car road weather monitoring
J. Myllylä, Y. Pilli-Sihvola
Abstract | PDF

Results of AV winter road condition sensor prototype
K. McFall
Abstract | PDF

A field trial of a vehicle’s grip compared with RWS data
T. Haavasoja, V. Haavisto, M.J. Turunen, P. Nylander, Y. Pilli-Sihvola
Abstract | PDF

A basic study of short term forecasting methods of snowfall and road surface Ttemperature using intelligent visibility meter
M. Numata, J. Okamoto, T. Tashiro, T. Ito
Abstract | PDF

Estimation of blowing snow intensity using acoustic signals
K. Kosugi, T. Sato, A. Sato, O. Abe
Abstract | PDF


SESSION 3: ROAD WEATHER CLIMATOLOGY 1

Regional influence on road slipperiness during winter precipitation events
M. Eriksson, S. Lindqvist
Abstract | PDF

Road in winter conditions: contribution of geotechnical and thermal properties
A.M. Cames-Pintaux, P. Lerat, T.J. Assih
Abstract | PDF

Detailed climatic measurements above and beside the road
E. Almkvist
Abstract | PDF

Precipitation and road surface information. Is it possible to make a road weather climatology with RWISS data ? A prospective study.
V. Muzet, G. Queyrel, J. Livet
Abstract | PDF


SESSION 4: SENSORS & EQUIPMENT / RWIS / ITS TECHNOLOGY - RWIS

Integrated RWIS in the central European territory
J. Svarc, M. Skuthan, D. Glanc
Abstract | PDF

Measurement of road climatological variables
T. Gustavsson, J. Bogren
Abstract | PDF

RWIS in ITS
H. van Sann
Abstract | PDF

Road weather sensing: Defining a national infrastructure
G.G. Nelson, P. Pisano
Abstract | PDF


SESSION 5: FORECAST TECHNOLOGY - ROAD ICING

Prognosis of the road surface condition in Korea using surface energy balance theory
C-K. Song, B. Lee
Abstract | PDF

Site specific road surface temperature forecast improvements by use of radiation measurements
J. Bogren, T. Gustavsson
Abstract | PDF

Estimation of significance the parameters, influencing on road ice formation (the results of computing experiment)
T.V. Samodurova
Abstract | PDF

Automated road ice nowcasts and internet/intranet application
J. Shao, P. J. Lister
Abstract | PDF

A blueprint for 21st century road ice prediction
L. Chapman, J.E. Thornes
Abstract | PDF


SESSION 6: SENSOR & EQUIPMENT / RWIS / ITS TECHNOLOGY - MANAGEMENT SUPPORT

Road weather and traffic data in traffic management
P. Portaankorva
Abstract | PDF

Construction of a road management support system using information forecast
T. Yamada, T. Maruyama
Abstract | PDF

Development of winter road maintenance management support system about anti-freezing and snow removing work based on web and e-mail.
K. Takitani, H. Kagaya, Y. Yamagiwa, Y. Kajiya
Abstract | PDF

Web-based distribution of road weather information to winter road maintenance contractors in a multiple contractor environment.
K. Toivonen
Abstract | PDF


SESSION 7: FORECAST TECHNOLOGY - ROAD WEATHER

New forecast methods
C. Brundin
Abstract | PDF

A variational technique for downscaling meteorological fields
R. Steinacker
Abstract | PDF

The development of accurate automatic road-weather forecasts
B.H. Sass, C. Petersen
Abstract | PDF

Road weather forecasts for a winter road maintenance information center
W.E. Raatz, L. Niebrügge
Abstract | PDF


SESSION 8: ROAD WEATHER INFORMATION FOR CUSTOMERS

Road weather information for customers - Iceland
B. Ólafsson
Abstract | PDF

The effects of road weather and driver information systems on road user accidents
M. Burtwell, A. Runacres
Abstract | PDF

The presentation of road weather and condition information to the public: The results of an Aurora pooled-fund study
S.E. Boselly III, D.S. Roosevelt
Abstract | PDF

Road web markup language - XML for road information distribution on the net
Y. Kajiya, Y. Yamagiwa, Y. Kudo, H. Kagaya, T. Shimano
Abstract | PDF


SESSION 9: ROAD WEATHER CLIMATOLOGY 2

Distribution tendency Of freezing index related To road weather In The northern districts of Japan
T. Ito
Abstract | PDF

Fundamental experiments of pipe heating by means of tunnel spring water
S. Nagai, I. Yoshitake, S. Hamada
Abstract | PDF

Simple estimation of the ground water temperature and snow melting process
I. Yoshitake, S. Nagai, T. Tanimoto, S. Hamada
Abstract | PDF


SESSION 10: SEVERE WEATHER CONDITION - BLOWING SNOW / SNOWFALL

Study on methods to calculate visibility on blowing snow
M. Matsuzawa, M. Takeuchi
Abstract | PDF

Estimation of blowing snow and related visibility distributions above snow covers with different hardness
T. Sato, K. Kosugi, A. Sato
Abstract | PDF

Assessment of visibility on roads under snow conditions using digital images
T. Hagiwara
Abstract | PDF


SESSION 11: WEATHER AND ROAD MAINTENANCE POLICY / COST BENEFIT

NORIKS – A winter index for Norwegian conditions
A.H. Mahle, G. Rogstad
Abstract | PDF

Performance audit method for winter maintenance
J.E. Thornes
Abstract | PDF

Winter maintenance in Europe – practice and research
D. Giloppe, M. Burtwell, S. Bald, V. Muzet
Abstract | PDF

Future research topics related to road weather
R. Kulmala
Abstract | PDF


SESSON 12: SEVERE WEATHER CONDITION - AVALANCHE

Integrated model approach to forecast snow drift, snow cover and surface properties in alpine terrain and on roads
G. Spreitzhofer, M. Lehning, J. Doorschot, C. Fierz, N. Raderschall
Abstract | PDF

A hazard evaluation model of dry snow avalanches due to heavy snowfall
S. Suizu
Abstract | PDF

Avalanche release hazard map using GIS
Y. Yamada, O. Abe, K. Kosugi, S. Watanabe
Abstract | PDF

Computer tools from the SLF to support local swiss avalanche and Road Officials
M. Lehning, W. Ammann, P. Bartelt, M. Christen, M. Gassner
Abstract | PDF


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