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Your search for Subject snowfall measurementsresulted in 57 records.

Title: Remote Detection of Snow Avalanches in Switzerland Using Infrasound, Doppler Radars and Geophones
Date: 2010
Authors: Lorenz Meier, Daniel Lussi
Description: Remote detection of snow avalanches is an appealing instrument for monitoring snow avalanche activity during periods of bad visibility. It supports lo...
Object ID: ISSW_O-002.pdf
Keywords: snow avalanches, infrasound, doppler radar measurements
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Title: Slope-Scale Snowpack Stability Derived from Multiple Snowmicropen Measurements and High-Resolution Terrestrial FMCW Radar Surveys
Date: 2010
Authors: Hans-Peter Marshall, Christine Pielmeier, Scott Havens, Frank Techel
Description: Slope-scale stability assessments from SnowMicroPen (SMP) profiles and from remote sensing techniques would support avalanche forecasting operations, ...
Object ID: ISSW_O-018.pdf
Keywords: snow cover, snow cover stability, snow stability evaluation, micro penetrometer, mechanical properties, avalanche forecasting, remote sensing, radar
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Title: Key Parameters For Local Drifting Snow Events
Date: 2010
Authors: Gilbert Guyomarc’h, Yves Durand
Description: The transport of snow by the wind is one of the most important processes influencing the accumulation and ablation of the snow in the mountains; this ...
Object ID: ISSW_P-076.pdf
Keywords: blowing snow modeling, operational avalanche forecasting
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Title: Recent Variability of Avalanche Activity and Snowfall in the Italian Alps
Date: 2010
Authors: M. Valt, P. Cianfarra
Description: The study of the snow cover variability is fundamental for alpine countries for many reasons, specifically winter tourism, hydro-electricity producti...
Object ID: ISSW_P-087.pdf
Keywords: snow cover, hyro-electricity production, forecast, mountain ecosystem
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Title: Measurement of Dynamic Water-Entry Value for Dry Snow
Date: 2009
Authors: Takafumi Katsushima, Satoru Yamaguchi, Toshiro Kumakura, Atsushi Sato
Description: In soil physics, many people have discussed about mechanisms of developing preferential flow based on porous media hydraulics. In snow science, there ...
Object ID: issw-2009-0248-0251.pdf
Keywords: preferential flow, water-entry value, homogeneous dry snow
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Title: In-Situ Measurements and Temporal Evolution of the Thermal Conductivity Profile of an Alpine Snowpack
Date: 2009
Authors: Samuel Morin, Florent Domine, Laurent Arnaud, Ghislain Picard, Hans-Werner Jacobi, Jean-Marie Willemet
Description: We report on a 3-months long time series of in-situ measurements of the thermal conductivity(kT) of snow at 6 fixed heights in an alpine snowpack in t...
Object ID: issw-2009-0077-0081.pdf
Keywords: thermal conductivity, snow, heated-needle probe, crocus snowpack model
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Title: Snowpack Depth Modelling and Water Availability from Lidar Measurements in Eastern Pyrenees
Date: 2009
Authors: Ignacio MORENO BAÑOS, Antoni RUIZ GARCÍA, Jordi MARTURIÀ I ALAVEDRA, Pere OLLER I FIGUERAS, Jordi PIÑA IGLESIAS, Carles GARCIA SELLÉS, Pere MARTÍNEZ I FIGUERAS, Julià TALAYA LÓPEZ
Description: In order to evaluate water reserves in mountain watersheds the Institut Geològic de Catalunya (IGC) jointly with Institut Cartogràfic de Catalun...
Object ID: issw-2009-0202-0206.pdf
Keywords: snowpack depth, stepwise regression tree, lidar, geographic information systems (gis), pyrenees
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Title: Early Warnings for Extreme Snowfall in the Swiss Alps
Date: 2009
Authors: Patrick Hächler, Daniel Gerstgrasser
Description: For more than 10 years MeteoSwiss provides warnings in case of heavy snowfall in the Alps. It helps the Swiss Institute for snow and avalanche resear...
Object ID: issw-2009-0353-0355.pdf
Keywords: weather forecast, extreme snowfall, avalanche forecast, safety
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Title: In Situ and Photogrammetric Measurements of Avalanche Crown Transects
Date: 2009
Authors: Edward H. Bair, Karl W. Birkeland, Jeff Dozier
Description: We present results on the geometry and depth distributions for transects along the crowns of small to large avalanches. Previous research suggests th...
Object ID: issw-2009-0395-0399.pdf
Keywords: photogrammetry, crowns, power laws, distributions
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Title: Comparison and Complementarities of Avalanche Pressure Measurements: Piezo-Electric Load Cells and Deformation Based Pressure Deconvolution
Date: 2009
Authors: Djebar Baroudi, Betty Sovilla, Emmanuel Thibert
Description: The impact pressure of snow avalanches have been measured at the Vallée de La Sionne experimental test site using two different types of sensors. T...
Object ID: issw-2009-0443-0447.pdf
Keywords: impact pressure, piezo-electric load cells, gage-cantilever load sensor, deconvolution
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Title: Automatised Range-Gated Doppler Radar Measurements of a Spontaneously Released Avalanche at the Vallée de la Sionne Test Site
Date: 2009
Authors: L. Rammer, H. Schreiber, M. Hiller, F. Dufour, B. Sovilla, P. Gauer, M.A. Kern
Description: Range-gated Doppler radar measurements provide decisive information about the motion of an avalanche along the avalanche track. However, up to now, su...
Object ID: issw-2009-0472-0476.pdf
Keywords: avalanche dynamics, radar measurements, spontaneous avalanche
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Title: Investigation on the Effectiveness of the Catch-Fence “Snowcatcher” as Avalanche Protection System
Date: 2009
Authors: Lambert Rammer, Gernot Stelzer, Martin Kern
Description: To date, the only available structures for mitigating avalanches in motion in the track or run-out zones of avalanches have been rigid structures such...
Object ID: issw-2009-0548-0552.pdf
Keywords: avalanche protective structure, snow net system, force measurements
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Title: Avalanche Forecasting in a Heavy Snowfall Area Using the Snowpack Model
Date: 2006
Authors: Hiroyuki Hirashima, Kouichi Nishimura, Satoru Yamaguchi, Atsushi Sato, Michael Lehning
Description: We describe the use of a snow cover model — SNOWPACK — for a heavy snowfall area. The area along the Sea of Japan received record-breaki...
Object ID: issw-2006-054-062.pdf
Keywords: snowpack model, avalanche forecasting, heavy snow, stability index
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Title: On Avalanche Measurements at the Norwegian Full-Scale Test-Site Ryggfonn
Date: 2006
Authors: Peter Gauer, Karstein Lied, Krister Kristensen
Description: Avalanche measurements and observations that were carried out at the Ryggfonn test site, Norway, on 16 April 2005 are analyzed. The data include pulse...
Object ID: issw-2006-086-091.pdf
Keywords: avalanche, full-scale measurements, velocity, acceleration, impact pressure, shear stress
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Title: Fracture and Accumulation Conditions of Snowflakes on the Snow Surface
Date: 2006
Authors: Takeshi Sato, Kenji Kosugi, Shigeto Mochizuki, Masaki Nemoto
Description: Snowflakes colliding with the snow surface break under strong wind conditions and their fragments are blown off, which leads to the development of dr...
Object ID: issw-2006-203-210.pdf
Keywords: snowflake, fracture, accumulation, drifting snow, snowfall
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