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VERTICAL ACCURACY ASSESSMENT OF ZY-3 DIGITAL SURFACE MODEL USING ICESAT/GLAS LASER ALTIMETER DATA
Accuracy assessment ZY-3 stereo images DSM ICESat/GLAS
2017/7/12
The Ziyuan-3 (ZY-3) satellite, as the first civilian high resolution surveying and mapping satellite in China, has a very important role in national 1 : 50,000 stereo mapping project. High...
IMPROVE THE ZY-3 HEIGHT ACCURACY USING ICESAT/GLAS LASER ALTIMETER DATA
ZY-3 ICESat GLAS Satellite Laser Altimetry Satellite LiDAR
2016/7/4
ZY-3 is the first civilian high resolution stereo mapping satellite, which has been launched on 9th, Jan, 2012. The aim of ZY-3 satellite is to obtain high resolution stereo images and support the 1:5...
SEGMENTATION OF LASER ALTIMETER DATA FOR BUILDING RECONSTRUCTION: DIFFERENT PROCEDURES AND COMPARISON
Segmentation Laser Building Evaluation Surface Reconstruction
2014/12/31
One important step in the reconstruction of buildings from laser altimeter data is the segmentation step. In this contribution four procedures known from literature are investigated and compared. One ...
ON THE MATCHING ACCURACY OF RASTERISED SCANNING LASER ALTIMETER DATA
Laser/Lidar Accuracy DTM/DEM/DSM
2014/12/30
For certain applications irregularly distributed scanning laser altimeter data need to be rasterised - such as for use in GIS systems and for creating DEMs. Also, least squares matching on a raster gr...
ASSESSMENT OF SEA ICE FREEBOARD AND THICKNESS IN MCMURDO SOUND, ANTARCTICA, DERIVED BY GROUND VALIDATED SATELLITE ALTIMETER DATA
ICESat sea ice freeboard McMurdo Sound remote sensing, lidar
2014/4/30
This investigation employs the use of ICESat to derive freeboard measurements in McMurdo Sound in the western Ross Sea, Antarctica, for the time period 2003-2009. Methods closely follow those previous...
Ensemble Kalman filter assimilation of temperature and altimeter data with bias correction and application to seasonal prediction
Kalman filter assimilation temperature and altimeter data bias correction and application seasonal prediction
2009/11/9
To compensate for a poorly known geoid, satellite altimeter data is usually analyzed in terms of anomalies from the time mean record. When such anomalies are assimilated into an ocean model, the bias ...
Wave data collection using satellite altimeter data in Indonesian domestic sea
Indonesian domestic Wave data
2009/3/27
The wave data collection method and the wave characteristic in Indonesian domestic seas using the satellite altimeter data in this research were discussed. For the estimation of long-term probability ...
The problem of assimilating satellite altimeter data into an ocean model is considered for the case in which the ocean currents are weak, so that they can be represented by a superposition of linear R...
Estimates from Altimeter Data of Barotropic Rossby Waves in the Northwestern Atlantic Ocean
Altimeter Data Northwestern Atlantic Ocean Barotropic Rossby Waves
2009/1/5
A dynamical model representing linear barotropic Rossby waves is combined with GEOSAT data from the northwest Atlantic Ocean. The model is too simple to be very realistic in this complex area, but the...
Assimilation of Altimeter Data into an Ocean Circulation Model：Space versus Time Resolution Studies
Altimeter Data Ocean Circulation Model Space Time
2009/1/4
One of the most important forthcoming synoptic datasets for ocean circulation studies will he the sea-surface height data provided by the TOPEX /POSEIDON satellite. The TOPEX/POSEIDON project is in th...
Rossby Waves in the Pacific Ocean Extracted from Geosat Altimeter Data
Rossby Waves Geosat Altimeter Data Pacific Ocean
2008/12/18
Rossby waves have been detected in the northeast Pacific in time series of in situ hydrographic data, but the limited geographic coverage of such data has restricted the search for Rossby waves to sma...
Continuous Assimilation of Geosat Altimeter Data into a Three-Dimensional Primitive Equation Gulf Stream Model
Geosat Altimeter Data three-dimensional data Gulf Stream Model
2008/12/15
A three-dimensional data assimilation scheme is described and tested, using the Geosat altimeter data and a high-resolution, primitive equation, numerical ocean model of the Gulf Stream region. The as...
Assimilation of Altimeter Data in a Two-Layer Primitive Equation Model of the Gulf Stream
sea surface height Altimeter Data Two-Layer Primitive Equation Model Gulf Stream
2008/12/15
A two-layer finite depth, primitive equation model of the Gulf Stream region is used to study the effect of updating the model with simulated altimeter data as observations. In this study both a compl...
Assimilation of Altimeter Data into a Quasigeostrophic Model of the Gulf Stream System Part II：Assimilation Results
quasigeostrophic Gulf Stream System Assimilation Results
2008/12/12
The improvement in the climatological behavior of a numerical model as a consequence of the assimilation of surface data is investigated. The model used for this study is a quasigeostrophic (QG) model...
Assimilation of Altimeter Data into a Quasigeostrophic Model of the Gulf Stream System Part I：Dynamical Considerations
Altimeter Data Quasigeostrophic Model Gulf Stream System Dynamical Considerations
2008/12/12
The dynamical consequences of constraining a numerical model with sea surface height data have been investigated. The model used for this study is a quasigeostrophic model of the Gulf Stream region. T...