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ASSESSMENT OF SNOW AVALANCHE SUSCEPTIBILITY OF ROAD NETWORK - A CASE STUDY OF ALAKNANDA BASIN
AHP ASTER GDEM Hazard Snow Avalanche Susceptibility
2019/2/27
Snow avalanche occurring in a micro-climatic condition causing hydro-geo (Hydrological and geological) hazard to the deployed armed forces and nearby inhabitant to the North Western Himalaya about 300...
SNOW COVER MAPPING AND ICE AVALANCHE MONITORING FROM THE SATELLITE DATA OF THE SENTINELS
Snow Cover Ice Avalanche Sentinels
2018/5/15
In order to monitor ice avalanches efficiently under disaster emergency conditions, a snow cover mapping method based on the satellite data of the Sentinels is proposed, in which the coherence and bac...
3D spatial data integration for avalanche risk management
digital terrain model orthophoto thematic mapping data integration avalanche risk management
2016/5/20
The southern part of the Alps is interested by frequent avalanche phenomena. It is very important to provide a suitable method to manage avalanche risk. The usual approach is based on the mapping of t...
GIS FOR PREDICTING THE AVALANCHE ZONES IN THE MOUNTAIN REGIONS OF KAZAKHSTAN
Geographic Information System a Digital Terrain Model Slope
2015/11/3
Foothills of Trans Ili Alatau is a recreational area with buildings and sports facilities and resorts, sanatoriums, etc. In summer and winter there are a very large number of skiers, climbers, tourist...
USING ECOGNITION TO AUTOMATICALLY DETECT AND MAP AVALANCHE DEPOSITS FROM THE SPRING 2009 AVALANCHE CYCLE IN THE TATRA MTS., SLOVAKIA
Avalanche debris detection Tatra Mountains Slovakia Cognition
2015/5/7
Here we present results from ongoing work where we apply an object oriented mapping algorithm developed in eCognition in order to automatically identify and digitally map avalanche deposits. The alg...
DEVELOPMENT OF A HELICOPTER-BASED INTEGRATED SYSTEM FOR AVALANCHE MAPPING AND HAZARD MANAGEMENT
photogrammetry mapping orientation GPS INS integration
2014/12/30
Natural hazard mapping requires techniques that can provide accurate and sporadic geo-referenced data. When facing difficult accessibility of the terrain and large mapping areas, the aerial photogramm...
The American Avalanche Association (AAA)
The American Avalanche Association Avalanche Association
2014/8/14
he American Avalanche Association is a 501(c)(3) non-profit corporation sustained by membership dues, donations and sponsorship. An Executive Director oversees the general operation and serves under t...
Some results concerning global avalanche characteristics of two $q$-ary functions
functions avalanche characteristics
2014/3/7
The global avalanche characteristics criteria was first introduced by Zhou et al. (Inform. Sci. 180(2) (2010) 256-265). This article is concerned with some new bounds on global avalanche characteristi...
A time-resolution study with a plastic scintillator read out by a Geiger-mode Avalanche Photodiode
time-resolution plastic scintillator Geiger-mode Avalanche Photodiode
2011/8/4
Abstract: In this work we attempt to establish the best time resolution attainable with a scintillation counter consisting of a plastic scintillator read out by a Geiger-mode Avalanche Photodiode. The...
Resilience of gated avalanche photodiodes against bright illumination attacks in quantum cryptography
quantum cryptography gated avalanche photodiodes
2011/9/13
Semiconductor avalanche photodiodes (APDs) are commonly used for single photon detection in quantum key distribution. Recently, many attacks using bright illumination have been proposed to manipulate ...
High Performance Ge/Si Avalanche Photodiodes Development in Intel
Photodetectors Optical communications
2015/5/26
Ge/Si avalanche photodiodes with record high gain-bandwidth and sensitivity for communication wavelength and high data rate, 10Gbps and 40Gbps, is demonstrated. These devices can be monolithically int...
Construction of Highly Nonlinear Resilient Boolean Functions Satisfying Strict Avalanche Criterion
Boolean functions nonlinearity resiliency strict avalanche criterion
2010/11/22
A method is proposed to construct resilient Boolean functions on $n$ variables ($n$ even) satisfying strict avalanche criterion (SAC) with nonlinearity $>2^{n-1}-2^{n/2}$. A large class of cryptograph...
Ionisation in atmospheres of Brown Dwarfs and extrasolar planets I The role of electron avalanche
Brown Dwarfs extrasolar planets
2011/1/10
Brown Dwarf and extrasolar planet atmospheres form clouds which strongly influence the local chemistry and physics. These clouds are globally neutral obeying dust-gas charge equilibrium which is, on s...
Single-Photon Avalanche Detectors for Quantum Communications
Detectors Quantum detectors Avalanche photodiodes (APDs)
2015/6/9
QKD systems widely employ Single-Photon Avalanche Diodes (SPAD) and set strong demand for improved features and performance. The present state of this detector technology is outlined and the main issu...
The development of the 1.27 μm high responsivity AlInAs Avalanche Photodiodes for 10G-EPON (OLT)
Avalanche photodiodes Optical communications
2015/6/4
We report the 1.27 μm AlInAs APD with high responsivity of 0.93 A/W and wide bandwidth of 8.3 GHz at a multiplication factor of 10 optimized for 10G-EPON (OLT).