Point clouds derived from satellite imagery, Karkara, Kazakhstan, 2014

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Dataset Information

This dataset contains a ~50 km long section of the Karkara range front fault at the boundary of Kazakhstan and Kyrgyzstan. The point cloud data were derived via photogrammetric methods by Leica Photogrammetry Suite built in ERDAS Imagine from data acquired by Airbus Defence and Space (Pleiades stereo optical imagery)

opentopoID: OTDS.052023.32644.1
DOI: https://doi.org/10.5069/G9K35RVF
Platform: Structure from Motion / Photogrammetry
Data Format: Point Cloud
Dataset Acknowledgement: This work was supported by funding from the UK Natural Environment Research Council (NERC) through the Looking Inside the Continents (LiCS) project (NE/K011006/1), the Earthquake without Frontiers (EwF) project (EwF_NE/J02001X/1_1), and the Centre for the Observation and Modelling of Earthquakes, Volcanoes and Tectonics (COMET) project (COME30001, http://comet.nerc.ac.uk).
Dataset Citation: Walker, R. (2023). Point clouds derived from satellite imagery, Karkara, Kazakhstan, 2014. Distributed by OpenTopography. https://doi.org/10.5069/G9K35RVF Accessed: 2025-07-05
Survey Date: 08/10/2014
Survey Area: 207.7 km2
Publication Date: 05/15/2023
Total Number of Points: 193,358,657 pts
Point Density: 0.93 pts/m2
Coordinates System:
Horizontal: WGS 84 / UTM zone 44N [EPSG: 32644]

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Spatial Extent

Show Data Files

    Point Cloud
  File Name Size Points Area (m2) Density  
1     A_karakara_utm44n_points.laz     552.51 MB     100,788,679     109,675,486     0.92         File Metadata    
SpatialReference: 
COMPD_CS["unknown",PROJCS["WGS 84 / UTM zone 44N",GEOGCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],TOWGS84[0,0,0,0,0,0,0],AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433],AUTHORITY["EPSG","4326"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",81],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","32644"]],VERT_CS["unknown",VERT_DATUM["unknown",2005],UNIT["metre",1.0,AUTHORITY["EPSG","9001"]],AXIS["Up",UP]]]

Geographic Coordinates (Lat, Lon, Elevation) - EPSG:4326
North-East (Lat, Lon, Elevation): (42.795989871434955, 79.39498229445203, 2865.55)
South-West (Lat, Lon, Elevation): (42.72715990542283, 79.1533641265489, 1926.13)

Projected Coordinates (X, Y) - EPSG:32644
North-East (X, Y): (368744.32, 4739409.4)
South-West (X, Y): (348817.37, 4732170.44)

Classifications:
Class 0 (Created, never classified)100,788,679
2     B_karakara_utm44n_points.laz     523.15 MB     92,569,978     98,023,685     0.94         File Metadata    
SpatialReference: 
COMPD_CS["unknown",PROJCS["WGS 84 / UTM zone 44N",GEOGCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],TOWGS84[0,0,0,0,0,0,0],AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433],AUTHORITY["EPSG","4326"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",81],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","32644"]],VERT_CS["unknown",VERT_DATUM["unknown",2005],UNIT["metre",1.0,AUTHORITY["EPSG","9001"]],AXIS["Up",UP]]]

Geographic Coordinates (Lat, Lon, Elevation) - EPSG:4326
North-East (Lat, Lon, Elevation): (42.778215703846314, 79.19885950211109, 2552.98)
South-West (Lat, Lon, Elevation): (42.71607631401086, 78.96875047161309, 1641.23)

Projected Coordinates (X, Y) - EPSG:32644
North-East (X, Y): (352663.17, 4737759.6)
South-West (X, Y): (333673.09, 4731286.81)

Classifications:
Class 0 (Created, never classified)92,569,978
  Summary 1.05 GB     193,358,657     207,699,172     0.93      
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