Survey of scarps near the Lower Lake at Chon Aksu, Kyrgyzstan, July 2019

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Dataset Information

This point cloud data is derived from drone (DJI Phantom 4) photos by Agisoft PhotoScan Professional software. The location is next to the lake (Ye-Ozerko) in Chon Aksu Valley. The survey is for investigating a thrust scarp and the fissures in the hanging wall.

opentopoID: OTDS.102023.32643.2
DOI: https://doi.org/10.5069/G96H4FNC
Platform: Structure from Motion / Photogrammetry
Data Format: Point Cloud, Raster
Dataset Acknowledgement: N/A - Acknowledgement Guidance
Dataset Citation: Wilkinson, R. (2023). Survey of scarps near the Lower Lake at Chon Aksu, Kyrgyzstan, July 2019. Distributed by OpenTopography. https://doi.org/10.5069/G96H4FNC. Accessed: 2025-05-17
Survey Date: 07/02/2019
Survey Area: 0.34 km2
Publication Date: 10/20/2023
Total Number of Points: 375,751,424 pts
Point Density: 1,115.15 pts/m2
Coordinates System:
Horizontal: WGS 84 / UTM zone 43N [EPSG: 32643]

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Spatial Extent
Point Cloud Extent Raster Extent

Show Data Files

    Point Cloud
  File Name Size Points Area (m2) Density  
1     aksu_lower_lake_both.laz     1.38 GB     254,174,064     221,505     1,147.49         File Metadata    
SpatialReference: 
COMPD_CS["unknown",PROJCS["WGS 84 / UTM zone 43N",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",75],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","32643"]],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): (42.84179915315415, 77.39907347275367, 2340.869)
South-West (Lat, Lon, Elevation): (42.8386834263828, 77.38444583539695, 2294.91)

Projected Coordinates (X, Y) - EPSG:32643
North-East (X, Y): (696049.86, 4746038.902)
South-West (X, Y): (694864.248, 4745658.941)

Classifications:
Class 0 (Created, never classified)254,174,064
    Raster Data
  File Name Size Resolution Dimensions Layer Type  
1     chonaksu-lowerlakeeast-2019_UTMz43.tif     330.15 MB     0.03 meter     21904 x 16399     Digital Surface Model (DSM)             File Metadata    
SpatialReference 
PROJCS["WGS 84 / UTM zone 43N",     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",75],     PARAMETER["scale_factor",0.9996],     PARAMETER["false_easting",500000],     PARAMETER["false_northing",0],     UNIT["metre",1,         AUTHORITY["EPSG","9001"]],     AUTHORITY["EPSG","32643"]]

Geographic Coordinates (Lat, Lon) - EPSG:4326
North-East (Lat, Lon): (42.8421861027137, 77.40023084825238)
South-West (Lat, Lon): (42.8378613692085, 77.39189750134193)

Projected Coordinates (X, Y) - EPSG:32643
North-East (X, Y): (696143.219, 4746084.569)
South-West (X, Y): (695475.841, 4745584.919)
2     chonaksu-lowerlakewest-2019_UTMz43.tif     304.39 MB     0.03 meter     22018 x 12802     Digital Surface Model (DSM)             File Metadata    
SpatialReference 
PROJCS["WGS 84 / UTM zone 43N",     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",75],     PARAMETER["scale_factor",0.9996],     PARAMETER["false_easting",500000],     PARAMETER["false_northing",0],     UNIT["metre",1,         AUTHORITY["EPSG","9001"]],     AUTHORITY["EPSG","32643"]]

Geographic Coordinates (Lat, Lon) - EPSG:4326
North-East (Lat, Lon): (42.841268000624844, 77.3914889144603)
South-West (Lat, Lon): (42.83803174918148, 77.38340685894114)

Projected Coordinates (X, Y) - EPSG:32643
North-East (X, Y): (695431.705, 4745962.286)
South-West (X, Y): (694781.384, 4745584.167)
3     ORTHO_chonaksu-lowerlakeeast-2019_UTMz43.tif     1.82 GB     0.02 meter     32099 x 22842     Orthophotograph             File Metadata    
SpatialReference 
PROJCS["WGS 84 / UTM zone 43N",     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",75],     PARAMETER["scale_factor",0.9996],     PARAMETER["false_easting",500000],     PARAMETER["false_northing",0],     UNIT["metre",1,         AUTHORITY["EPSG","9001"]],     AUTHORITY["EPSG","32643"]]

Geographic Coordinates (Lat, Lon) - EPSG:4326
North-East (Lat, Lon): (42.84184077434655, 77.39913182476799)
South-West (Lat, Lon): (42.838835049970676, 77.39303210264167)

Projected Coordinates (X, Y) - EPSG:32643
North-East (X, Y): (696054.497, 4746043.66)
South-West (X, Y): (695565.497, 4745695.683)
4     ORTHO_chonaksu-lowerlakewest-2019_UTMz43.tif     1.64 GB     0.01 meter     34016 x 17660     Orthophotograph             File Metadata    
SpatialReference 
PROJCS["WGS 84 / UTM zone 43N",     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",75],     PARAMETER["scale_factor",0.9996],     PARAMETER["false_easting",500000],     PARAMETER["false_northing",0],     UNIT["metre",1,         AUTHORITY["EPSG","9001"]],     AUTHORITY["EPSG","32643"]]

Geographic Coordinates (Lat, Lon) - EPSG:4326
North-East (Lat, Lon): (42.84079743211378, 77.39059287325591)
South-West (Lat, Lon): (42.838579025152484, 77.38436070716834)

Projected Coordinates (X, Y) - EPSG:32643
North-East (X, Y): (695359.961, 4745907.949)
South-West (X, Y): (694857.619, 4745647.15)
  Summary 4.08 GB            
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