Survey of a subtle scarp at Chon Kemin, 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 north of the Chon Kemin Valley. The survey is for investigating a subtle thrust scarp on a fan surface directly south of a prominent uphill-facing scarp.

opentopoID: OTDS.102023.32643.4
DOI: https://doi.org/10.5069/G9F18WX6
Platform: Structure from Motion / Photogrammetry
Data Format: Point Cloud, Raster
Dataset Acknowledgement: N/A - Acknowledgement Guidance
Dataset Citation: Wilkinson, R. (2023). Survey of a subtle scarp at Chon Kemin, Kyrgyzstan, July 2019. Distributed by OpenTopography. https://doi.org/10.5069/G9F18WX6. Accessed: 2026-05-12
Survey Date: 07/04/2019
Survey Area: 0.31 km2
Publication Date: 10/24/2023
Total Number of Points: 139,907,956 pts
Point Density: 451.42 pts/m2
Coordinates System:
Horizontal: WGS 84 / UTM zone 43N [EPSG: 32643]

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Spatial Extent
Point Cloud Extent Raster Extent

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    Point Cloud
  File Name Size Points Area (m2) Density  
1     chonkemin_subtle_scarp.laz     795.41 MB     139,907,956     309,930     451.42         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): (42.86759654829581, 76.60091028423469, 2498.228)
South-West (Lat, Lon, Elevation): (42.86251464796044, 76.59055089964504, 2417.072)

Projected Coordinates (X, Y) - EPSG:32643
North-East (X, Y): (630768.685, 4747354.819)
South-West (X, Y): (629933.133, 4746774.442)

Classifications:
Class 0 (Created, never classified)139,907,956
    Raster Data
  File Name Size Resolution Dimensions Layer Type  
1     DEM-2019-chonkemin-subtlescarp-UTMz43.tif     353.81 MB     0.05 meter     24168 x 18138     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): (42.869383767087996, 76.6034676229537)
South-West (Lat, Lon): (42.86170185818637, 76.58898919465614)

Projected Coordinates (X, Y) - EPSG:32643
North-East (X, Y): (630973.803, 4747557.263)
South-West (X, Y): (629807.257, 4746681.774)
2     ORTHO-2019-Chonkemin-subtle-scarp_UTMz43.tif     1.47 GB     0.02 meter     34565 x 23768     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): (42.86758918560006, 76.60088235340824)
South-West (Lat, Lon): (42.8625678774866, 76.59054112701052)

Projected Coordinates (X, Y) - EPSG:32643
North-East (X, Y): (630766.419, 4747353.958)
South-West (X, Y): (629932.223, 4746780.338)
  Summary 1.82 GB            
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