Survey of the Naryn Valley, Kyrgyzstan, 2017 and 2018

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Dataset Information

The 4 point cloud datasets are derived from drone (DJI Phantom 2 and 4) photos by Agisoft Photoscan Professional software. It captured the fault scarps within the Naryn Valley and a small scarp in the NE of the Naryn Valley in Kyrgyzstan.

opentopoID: OTDS.082023.32643.1
DOI: https://doi.org/10.5069/G9PN93VJ
Platform: Structure from Motion / Photogrammetry
Data Format: Point Cloud, Raster
Dataset Acknowledgement: N/A - Acknowledgement Guidance
Dataset Citation: Walker, R., Dianala, J. (2023). Survey of the Naryn Valley, Kyrgyzstan, 2017 and 2018. Distributed by OpenTopography. https://doi.org/10.5069/G9PN93VJ Accessed: 2025-07-12
Survey Date: 07/13/2017 - 07/19/2018
Survey Area: 4.87 km2
Publication Date: 08/09/2023
Total Number of Points: 321,131,199 pts
Point Density: 65.94 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     2017_puddle_scarp_utm43n.laz     816.81 MB     65,793,972     153,646     428.22         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): (41.579669609132026, 76.48079957047172, 2640.341)
South-West (Lat, Lon, Elevation): (41.575599573302895, 76.47537092042727, 2569.031)

Projected Coordinates (X, Y) - EPSG:32643
North-East (X, Y): (623441.708, 4604167.911)
South-West (X, Y): (622996.879, 4603708.285)

Classifications:
Class 0 (Created, never classified)65,793,972
2     2017_quarry_scarp_naryn_updated_utm43n.laz     641.69 MB     57,015,675     622,183     91.64         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): (41.46080384367225, 76.24575852766745, 2169.995)
South-West (Lat, Lon, Elevation): (41.45562463544348, 76.22853698335378, 2086.241)

Projected Coordinates (X, Y) - EPSG:32643
North-East (X, Y): (604038.153, 4590661.639)
South-West (X, Y): (602608.051, 4590066.07)

Classifications:
Class 0 (Created, never classified)57,015,675
3     nar1_utm43n.laz     736.34 MB     64,138,138     359,763     178.28         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): (41.47946922966752, 76.37614262464523, 2434.792)
South-West (Lat, Lon, Elevation): (41.476244548659466, 76.36442356561624, 2396.679)

Projected Coordinates (X, Y) - EPSG:32643
North-East (X, Y): (614894.32, 4592898.91)
South-West (X, Y): (613921.519, 4592525.395)

Classifications:
Class 0 (Created, never classified)64,138,138
4     nar3_bigscarp_utm43n.laz     633.00 MB     54,981,987     482,796     113.88         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): (41.467104361300564, 76.30237905800836, 2444.361)
South-West (Lat, Lon, Elevation): (41.46061036300242, 76.2912653028358, 2329.635)

Projected Coordinates (X, Y) - EPSG:32643
North-East (X, Y): (608756.324, 4591430.768)
South-West (X, Y): (607839.001, 4590695.879)

Classifications:
Class 2 (Ground)16,983,423
Class 5 (High Vegetation)2,429,996
Class 6 (Building)21,618,365
Class 11 (Reserved for ASPRS Definition)11,650,913
Other Classes2,299,290
  Summary 2.76 GB     241,929,772     1,618,387     149.49      
    Raster Data
  File Name Size Resolution Dimensions Layer Type  
1     2017_puddlescarp_utm43.tif     84.34 MB     0.1 meter     4628 x 4774     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"]],             AUTHORITY["EPSG","6326"]],         PRIMEM["Greenwich",0,             AUTHORITY["EPSG","8901"]],         UNIT["degree",0.0174532925199433,             AUTHORITY["EPSG","9122"]],         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"]],     AXIS["Easting",EAST],     AXIS["Northing",NORTH],     AUTHORITY["EPSG","32643"]]

Geographic Coordinates (Lat, Lon) - EPSG:4326
North-East (Lat, Lon): (41.579738768441516, 76.48089576022001)
South-West (Lat, Lon): (41.57553109168299, 76.47527419448977)

Projected Coordinates (X, Y) - EPSG:32643
North-East (X, Y): (623449.595, 4604175.727)
South-West (X, Y): (622988.945, 4603700.544)
2     2018_big_scarp.tif     173.44 MB     0.1 meter     12046 x 10073     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): (41.46889252433922, 76.3043115654417)
South-West (Lat, Lon): (41.45998421547214, 76.28970958587409)

Projected Coordinates (X, Y) - EPSG:32643
North-East (X, Y): (608914.71, 4591631.725)
South-West (X, Y): (607710.11, 4590624.425)
3     naryn_east_singleevent_2018_ptcld_UTM.20cm.tif     34.70 MB     0.2 meter     4865 x 1869     Digital Surface Model (DSM)             File Metadata    
SpatialReference Not available.

Geographic Coordinates (Lat, Lon) - EPSG:4326
North-East (Lat, Lon): (41.47947088138597, 76.37614384533332)
South-West (Lat, Lon): (41.476243662371544, 76.36442234936673)

Projected Coordinates (X, Y) - EPSG:32643
North-East (X, Y): (614894.419, 4592899.095)
South-West (X, Y): (613921.419, 4592525.295)
4     naryn_quarryscarp_2017_merge_2018_ptcld_UTM.20cm.tif     81.30 MB     0.2 meter     7152 x 2979     Digital Surface Model (DSM)             File Metadata    
SpatialReference Not available.

Geographic Coordinates (Lat, Lon) - EPSG:4326
North-East (Lat, Lon): (41.460804997704344, 76.24576092057207)
South-West (Lat, Lon): (41.455623747684186, 76.22853576931233)

Projected Coordinates (X, Y) - EPSG:32643
North-East (X, Y): (604038.351, 4590661.77)
South-West (X, Y): (602607.951, 4590065.97)
  Summary 373.78 MB            
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