Survey of a scarp on a fan near Chon Aksu, Kyrgyzstan, July 2019

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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
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]

3D Point Cloud Viewer


Spatial Extent
Point Cloud Extent Raster Extent
    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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