Steep terrain
The Use of Unmanned Aerial Systems for Steep Terrain Investigations
... We found little domestic research about the use of UASs for landslide or other steep terrain investigations. Exceptions are the 2008 Washington State DOT study noted above and a similar examination ...
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Are double trailers cost effective for transporting forest biomass on steep terrain?
... in steep terrain usually consists of a grinder that is placed at a landing where forest harvest residues have been piled by a swing-boom loader as part of the logging ...
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Bunching with a Self-levelling Feller-Buncher on Steep Terrain for Efficient Yarder Extraction
... The study site was located near Yarram, on the South Gippsland coast of Victoria, Australia (lati- tude/longitude: 38°30'45''S/146°33'54''E). The stand was a 33-year-old radiata pine plantation of approxi- mately 1065 ...
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Analysis of Productivity and Cost of Forwarding Bundles of Eucalyptus Logging Residues on Steep Terrain
... e.g. steep terrain, small sized forest plots, and long haulage distances, making the collec- tion of forest residues more difficult and expensive than in other ...
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Productivity and Cost Analysis of Three Timber Extraction Methods on Steep Terrain in Thailand
... A key factor in achieving cost-efficient and high productivity harvesting on steep terrain is the reduc- tion of manual and labour-intensive work and the use of tools to achieve greater output. Not all ...
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Forest Workers and Steep Terrain Winching: the Impact of Environmental and Anthropometric Parameters on Performance
... in steep terrain for the extraction of manually felled ...In steep ter- rain, limited machine mobility and tight safety restric- tions related to environmental concerns, prevent di- rect access to ...
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Winch Harvesting on Flat and Steep Terrain Areas and Improvement of its Methodology
... flat terrain, where the felled trees were scattered and then, one-by-one, attached to the winch ...a steep terrain, where the felled trees were concentrated in a line and then attached, at one time, ...
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Assessing Cable Tensile Forces and Machine Tilt of Winch-Assisted Forwarders on Steep Terrain under Real Working Conditions
... Ground-based harvesting has significantly benefit- ed from mechanization (Spinelli and Magagnotti 2011, Lindroos et al. 2017) but is often restricted by terrain conditions. For example, Heinimann (1999) suggested ...
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Expanding Ground-based Harvesting onto Steep Terrain: A Review
... There have been some significant advances in equipment design in Europe with machines working successfully on slopes over 65% (33 degrees) not un- common (Stampfer and Steinmüller 2001, Bombosch et al. 2003, Stampfer and ...
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Predicting Wood Skidding Direction on Steep Terrain by DEM and Forest Road Network Extension (p.177-188)
... The study presents the procedure and functioning of the model for large-scale determination of wood skidding direction on steep slopes. The determination of wood skidding direction significantly depends on the ...
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Comparison of approaches to interpolating climate observations in steep terrain with low density gauging networks
... Climate variables such as temperature and precipitation are key inputs for hydrological modelling and water resource management. Generally, spatial interpolation of point obser- vations is a necessary part of developing ...
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Sediment Mobility in Steep Channels and the Transition to Landsliding
... Our understanding of mountain evolution, landslide hazards, and long-term sediment budgets across earth’s surface hinges on our ability to predict the necessary conditions for sediment transport in steep ...
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Improving the Performance of all Terrain Vehicle
... Abstract: The project goal is to design and build a single- seat, all-terrain, sporting vehicle whose structure contains the driver. The vehicle is to be a prototype for a reliable, maintainable, ergonomic and ...
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Clinical efficacy of implantation of toric intraocular lenses with different incision positions: a comparative study of steep-axis incision and non-steep-axis incision
... Sixty patients who underwent uneventful phacoemul- sification combined with AcrySof Toric IOL (Alcon Laboratories, Inc., Fort Worth, TX, USA) implantation between September 2014 and April 2015 in Eye and ENT Hospital of ...
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Numerical Reproducibility of Terrain-induced Turbulence in Complex Terrain by Large-eddy Simulation (LES) Technique
... maximum terrain elevation within the computational domain is ...minimum terrain elevation is the sea surface (0.0 m). Terrain elevation data with ...of terrain configurations constructed from ...
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Jet evolution in Steep Spectrum Radio Quasars: a multiwavelength study
... Abstract. Thanks to the Fermi γ-ray satellite, it is now confirmed that Misaligned Active Galactic Nuclei (MAGN), i.e. radio galaxies and steep spectrum radio quasars, are a new class of GeV emitters. In this work ...
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Quantitative Geomorphometrics for Terrain Characterization
... The graph extraction algorithm begins with the drainage network and recasts the point associations as a dense graph. It then computes any cycles in the graph and removes them as they correspond to floodplains and river ...
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All Terrain Vehicle for Defence
... An analysis method to make the rocker bogie mechanism can climb up a stair was achieved in the work. The east coast of Malaysia faced a massive flood from heavy downpour, leading to huge flood damage and caused ...
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Steep Slopes: music and change in the highlands of Papua New Guinea
... Steep Slopes Doherty, Peter 1995, Burning the bark of the areca palms: a study of the changing use of metaphor in song lyrics of the Kewa of the Southern Highlands Province, Papua New Gu[r] ...
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Temperature variability and offset in steep alpine rock and ice faces
... which may in fact extend to lower elevations by several hun- dred meters in radiation-exposed faces than expected so far. Corresponding effects could be parameterized by the use of surface and near-surface ...
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