搜索结果: 1-14 共查到“地球科学总论 Laser”相关记录14条 . 查询时间(0.166 秒)
Detection of millimetric deformation using a terrestrial laser scanner:experiment and application to a rockfall event
millimetric deformation terrestrial laser scanner rockfall event
2009/12/16
Terrestrial laser scanning (TLS) is one of the most promising surveying techniques for rockslope characterization and monitoring. Landslide and rockfall movements can be detected by means of compariso...
Assessing the capability of terrestrial laser scanning for monitoring slow moving landslides
capability terrestrial laser slow moving landslides
2009/12/10
Digital elevation models (DEM) are widely used to determine characteristics of mass movement processes such as accumulation and deposition of material, volume estimates or the orientation of discontin...
Characterization and monitoring of the Åknes rockslide using terrestrial laser scanning
Characterization monitoring Å knes rockslide terrestrial laser scanning
2009/12/8
Terrestrial laser scanning (TLS) provides high-resolution point clouds of the topography and new TLS instruments with ranges exceeding 300 m or even 1000 m are powerful tools for characterizing and mo...
Detection of millimetric deformation using a terrestrial laser scanner:experiment and application to a rockfall event
millimetric deformation terrestrial laser scanner rockfall event
2009/12/8
Terrestrial laser scanning (TLS) is one of the most promising surveying techniques for rockslope characterization and monitoring. Landslide and rockfall movements can be detected by means of compariso...
Assessing the capability of terrestrial laser scanning for monitoring slow moving landslides
terrestrial laser scanning slow moving landslides
2009/12/31
Digital elevation models (DEM) are widely used to determine characteristics of mass movement processes such as accumulation and deposition of material, volume estimates or the orientation of discontin...
Brief communication "Analysis of deformations in historic urban areas using terrestrial laser scanning"
deformations historic urban areas terrestrial laser scanning
2009/12/31
The terrestrial laser scanning (TLS) technique has been used to accurately reconstruct the 3-D shape of the walls and bastions of the historic city of Mdina (Malta) and underlying terrain. By applying...
A flow-tube based laser-induced fluorescence instrument to measure OH reactivity in the troposphere
flow-tube based laser-induced fluorescence instrument OH reactivity troposphere
2010/2/8
A field instrument utilising the artificial generation of OH radicals in a sliding injector flow-tube reactor with detection by laser-induced fluorescence spectroscopy has been developed to measure th...
A new 1 km digital elevation model of the Antarctic derived from combined satellite radar and laser data–Part 1:Data and methods
digital elevation model combined satellite radar laser data
2010/2/3
Digital elevation models (DEMs) of the whole of Antarctica have been derived, previously, from satellite radar altimetry (SRA) and limited terrestrial data. Near the ice sheet margins and in other are...
Intercomparison of peroxy radical measurements obtained at atmospheric conditions by laser-induced fluorescence and electron spin resonance spectroscopy
peroxy radical measurements atmospheric conditions laser-induced fluorescence electron spin resonance spectroscopy
2010/2/8
Measurements of hydroperoxy radical (HO2) and organic peroxy radical (RO2) concentrations were performed by two different techniques in the atmospheric simulation chamber SAPHIR in Jülich, Germany. Th...
Methodical study of nitrous oxide eddy covariance measurements using quantum cascade laser spectrometery over a Swiss forest
Methodical study nitrous oxide eddy covariance measurements quantum cascade
2010/1/14
Nitrous oxide fluxes were measured at the Lägeren CarboEurope IP flux site over the multi-species mixed forest dominated by European beech and Norway spruce. Measurements were carried out during ...
Suitability of quantum cascade laser spectroscopy for CH4 and N2O eddy covariance flux measurements
Suitability quantum cascade laser spectroscopy CH4 N2O eddy covariance flux measurements
2010/1/14
A quantum cascade laser spectrometer was evaluated for eddy covariance flux measurements of CH4 and N2O using three months of continuous measurements at a field site. The required criteria for eddy co...
Airborne laser scanning and usefulness for hydrological models
Airborne laser scanning usefulness hydrological models
2010/1/25
Digital terrain models form the basis for distributed hydrologic models as well as for two-dimensional hydraulic river flood models. The technique used for generating high accuracy digital terrain mod...
Topography data harmonisation and uncertainties applying SRTM,laser scanner and cartographic elevation models
Topography data harmonisation uncertainties SRTM laser scanner cartographic elevation models
2010/1/25
Only a few studies have attempted to quantify topography-depending water fluxes, to evaluate retention and reservoir capacities and surface run-off paths within large river basins because data availab...
Using a laser measurement system for monitoring morphological changes on the Strug rock fall,Slovenia
laser measurement system morphological changes Strug rock fall
2009/12/25
A medium-ranged high performance handheld reflectorless laser measurement system, was used for a morphological survey on the Strug rock fall in W Slovenia in the period from August 2003 to August 2004...