搜索结果: 61-75 共查到“理学 LIDAR”相关记录115条 . 查询时间(0.182 秒)
LiDAR for monitoring mass movements in permafrost environments at the cirque Hinteres Langtal, Austria, between 2000 and 2008
LiDAR mass movements permafrost environments cirque Hinteres Langtal
2009/12/8
Permafrost areas receive more and more attention in terms of natural hazards in recent years due to ongoing global warming. Active rockglaciers are mixtures of debris and ice (of different origin) in ...
Estimating mass-wasting processes in active earth slides–earth flows with time-series of High-Resolution DEMs from photogrammetry and airborne LiDAR
mass-wasting processes active earth slides earth flows time-series High-Resolution DEMs
2009/12/8
This paper deals with the use of time-series of High-Resolution Digital Elevation Models (HR DEMs) obtained from photogrammetry and airborne LiDAR coupled with aerial photos, to analyse the magnitude ...
Variogram maps from LiDAR data as fingerprints of surface morphology on scree slopes
Variogram maps LiDAR data surface morphology scree slopes
2009/12/8
Herein, an aerial LiDAR topographic dataset is analysed and interpolated by means of geostatistical techniques in order to examine the morphology of a scree slope area in the Eastern Italian Alps. The...
Ground-based lidar measurements from Ny-Ålesund during ASTAR 2007
Ground-based lidar measurements Ny-Å lesund ASTAR 2007
2009/12/3
During the Arctic Study of Tropospheric Aerosol, Clouds and Radiation (ASTAR) in March and April 2007, measurements obtained at the AWIPEV Arctic Research Base in Ny-Ålesund, Spitsbergen at 78.9...
UV Raman lidar measurements of relative humidity for the characterization of cirrus cloud microphysical properties
UV Raman lidar measurements relative humidity cirrus cloud microphysical properties
2009/12/3
Raman lidar measurements performed in Potenza by the Raman lidar system BASIL in the presence of cirrus clouds are discussed. Measurements were performed on 6 September 2004 in the frame of the Italia...
Airborne lidar reflectance measurements at 1.57 μm in support of the A-SCOPE mission for atmospheric CO2
Airborne lidar reflectance measurements 1.57 μm A-SCOPE mission atmospheric CO2
2010/2/8
The characteristics of the lidar reflectance of the Earth's surface is an important issue for the IPDA lidar technique (integrated path differential absorption lidar) which is the proposed method for ...
Assessment of vertically-resolved PM10 from mobile lidar observations
Assessment vertically-resolved PM10 mobile lidar observations
2009/11/19
We investigate in this study the vertical PM10 distributions from mobile measurements carried out from locations along the Paris Peripherique (highly trafficked beltway around Paris), examine distinct...
基于LIDAR数据的森林参数反演方法研究
LIDAR 森林参数反演 黑河流域大野口
2009/11/10
森林结构参数诸如林分平均高、平均冠幅、平均胸径、林分密度、地上生物量等的空间分布对于森林可持续经营管理具有重要意义。以黑河流域祁连山大野口典型森林区为研究区，采用高密度LIDAR小脚印点云数据，在进行单木结构参数提取的基础上，按20 m×20 m大小的网格进行了小区域森林参数反演研究。首先由LIDAR点云数据生成冠层高度模型（Canopy Height Model，CHM），从CHM中估测单株木结...
Multiscaling analysis of high resolution space-time lidar-rainfall
Multiscaling analysis high resolution space-time lidar-rainfall
2009/10/30
In this study, we report results from scaling analysis of 2.5 m spatial and 1 s temporal resolution lidar-rainfall data. The high resolution spatial and temporal data from the same observing system al...
One year of CNR-IMAA multi-wavelength Raman lidar measurements in coincidence with CALIPSO overpasses: Level 1 products comparison
CNR-IMAA multi-wavelength Raman lidar measurements CALIPSO
2009/10/9
At CNR-IMAA, an aerosol lidar system has operated since May 2000 in the framework of EARLINET (European Aerosol Research Lidar Network), the first lidar network for tropospheric aerosol study on a con...
A comparison study of regional atmospheric simulations with an elastic backscattering Lidar and sunphotometry in an urban area
regional atmospheric simulations elastic backscattering Lidar sunphotometry
2009/9/23
We describe a comparison study of Aerosol Optical Thickness (AOT) from numerical simulations using a regional atmospheric model with an elastic backscattering lidar operating at 532 nm and a sunphotom...
Comparison of NLC particle sizes derived from SCIAMACHY/Envisat observations with ground-based LIDAR measurements at ALOMAR (69°N)
NLC particle sizes SCIAMACHY/Envisat observations ground-based LIDAR measurements
2010/2/8
SCIAMACHY, the Scanning Imaging Absorption spectroMeter for Atmospheric CHartographY has provided measurements of limb-scattered solar radiation in the 220 nm to 2380 nm wavelength range since summer ...
Validation of CALIPSO space-borne-derived attenuated backscatter coefficient profiles using a ground-based lidar in Athens,Greece
CALIPSO backscatter coefficient profiles ground-based lidar Athens
2010/2/8
We present initial aerosol validation results of the space-borne lidar CALIOP -onboard the CALIPSO satellite- Level 1 attenuated backscatter coefficient profiles, using coincident observations perform...
Terrain surfaces and 3-D landcover classification from small footprint full-waveform lidar data: application to badlands
Terrain surfaces 3-D landcover classification full-waveform lidar data application to badlands
2009/9/11
This article presents the use of new remote sensing data acquired from airborne full-waveform lidar systems for hydrological applications. Indeed, the knowledge of an accurate topography and a landcov...
Optimisation of LiDAR derived terrain models for river flow modelling
Optimisation LiDAR terrain models river flow modelling
2009/9/11
Airborne LiDAR (Light Detection And Ranging) combines cost efficiency, high degree of automation, high point density of typically 1–10 points per m2 and height accuracy of better than ±15 cm. For all ...