Survey of a scarp on a fan near 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 near Kyrchyn Zhailoo and the survey is for investigating a thrust scarp cutting fan on the NE side of the valley.

opentopoID: OTDS.102023.32643.1
DOI: https://doi.org/10.5069/G9B856BN
Platform: Structure from Motion / Photogrammetry
Data Format: Point Cloud, Raster
Dataset Acknowledgement: N/A - Acknowledgement Guidance
Dataset Citation: Wilkinson, R. (2023). Survey of a scarp on a fan near Chon Aksu, Kyrgyzstan, July 2019. Distributed by OpenTopography. https://doi.org/10.5069/G9B856BN. Accessed: 2025-04-26
Survey Date: 07/02/2019
Survey Area: 0.24 km2
Publication Date: 10/18/2023
Total Number of Points: 86,452,782 pts
Point Density: 360.11 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     chonaksu-aksufanscarps-2019.laz     519.07 MB     86,452,782     240,076     360.11         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): (42.840060820483174, 77.51605991243675, 2252.605)
South-West (Lat, Lon, Elevation): (42.83398276619531, 77.50808523289902, 2116.567)

Projected Coordinates (X, Y) - EPSG:32643
North-East (X, Y): (705616.102, 4746124.867)
South-West (X, Y): (704984.47, 4745430.437)

Classifications:
Class 0 (Created, never classified)86,452,782
    Raster Data
  File Name Size Resolution Dimensions Layer Type  
1     chonaksu-aksufanscarps-2019_UTMz43.tif     256.31 MB     0.05 meter     16289 x 19509     Digital Terrain Model (DTM)             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): (42.84200540638495, 77.5178935406097)
South-West (Lat, Lon): (42.83301875661738, 77.50706384192071)

Projected Coordinates (X, Y) - EPSG:32643
North-East (X, Y): (705759.499, 4746345.299)
South-West (X, Y): (704904.175, 4745320.895)
2     ORTH_chonaksu-aksufanscarps-2019_UTMz43.tif     933.65 MB     0.03 meter     24059 x 26452     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): (42.8400612649393, 77.51606017520363)
South-West (Lat, Lon): (42.83398269636505, 77.50808513219435)

Projected Coordinates (X, Y) - EPSG:32643
North-East (X, Y): (705616.122, 4746124.917)
South-West (X, Y): (704984.462, 4745430.429)
  Summary 1.16 GB            
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