Survey of Warnimont Bluff, Wisconsin, February 2020

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High lake levels are reducing beach area along the Lake Michigan coastline and allowing wave action to erode the bases of coastal bluffs at the highest rate of the past 30 years. Sediment budget calculations have shown that bluff erosion is the dominant source of sand and gravel-sized particles that are mobilized into beaches and the nearshore system. Researchers have found that the leading cause of bluff erosion is shallow to intermediate depth translational landslides. Therefore, estimating lake sediment budgets depends on an understanding of the mechanisms that lead to landslide failure. This study will provide a comprehensive analysis of bluff stability for bluffs affected by landslide failure coupled with an analysis of bluff composition to determine the composition of sediment contributions of coastal bluffs to the southeast Lake Michigan sediment budget.

opentopoID: OTDS.062020.32616.1
DOI: https://doi.org/10.5069/G9CC0XVH
Platform: Structure from Motion / Photogrammetry
Data Format: Point Cloud, Raster, Images
Dataset Acknowledgement: This project funded by Wisconsin Sea Grant Award Number R/RCE-08
Dataset Citation: Zoet, L.; Rawling, E. (2020). Survey of Warnimont Bluff, Wisconsin, February 2020. Distributed by OpenTopography. https://doi.org/10.5069/G9CC0XVH. Accessed: 2023-06-01
Survey Date: 02/29/2020
Survey Area: 0.03 km2
Publication Date: 06/18/2020
Number of lidar returns: 67,275,658 pts
Point Density: 2,578.44 pts/m2
Coordinates System:
Horizontal: WGS 84 / UTM zone 16N [EPSG: 32616]
Vertical: NAVD88 [EPSG: 5703]

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Spatial Extent
Point Cloud Extent Raster Extent

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    Point Cloud Data
  File Name Size Points Area (m2) Density  
1     Warnimont_20200229_unfilt_V2.laz     402.14 MB     67,275,658     26,092     2,578.44         View Detail    
  SpatialReference:
COMPD_CS["unknown",PROJCS["WGS 84 / UTM zone 16N",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",-87],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","32616"]],VERT_CS["unknown",VERT_DATUM["unknown",2005],UNIT["metre",1.0,AUTHORITY["EPSG","9001"]],AXIS["Up",UP]]]
Lat/Lon/Elevation Boundary:
North-East (lat,lon,elev): [42.93928085, -87.8441944, 219.88]
South-West (lat,lon,elev): [42.93735941, -87.84612726, 153.9]
Coordinates Boundary:
North-East (X,Y): 431121.08, 4754417.77]
South-West (X,Y): 430965.49, 4754205.94]
Classifications:
Class 0 (Created, never classified):     67,275,658
    Raster Data
  File Name Size Resolution Dimensions Layer Type  
1     20200229.tif     6.40 MB     0.1 meter     1361 x 2081                 View Detail    
  SpatialReference:
PROJCS["WGS_1984_UTM_Zone_16N", GEOGCS["WGS 84", DATUM["WGS_1984", SPHEROID["WGS 84",6378137,298.257223563, AUTHORITY["EPSG","7030"]], AUTHORITY["EPSG","6326"]], PRIMEM["Greenwich",0], UNIT["degree",0.0174532925199433], AUTHORITY["EPSG","4326"]], PROJECTION["Transverse_Mercator"], PARAMETER["latitude_of_origin",0], PARAMETER["central_meridian",-87], PARAMETER["scale_factor",0.9996], PARAMETER["false_easting",500000], PARAMETER["false_northing",0], UNIT["metre",1, AUTHORITY["EPSG","9001"]], AUTHORITY["EPSG","32616"]]
Lat/Lon Boundary:
North-East (lat,lon) [42.9392788329379, -87.84445931346873]
South-West (lat,lon) [42.937392740916835, -87.84610160012947]
Coordinates Boundary:
North-East (X,Y) [431101.59, 4754417.742]
South-West (X,Y) [430965.49, 4754209.642]
    Images Files
  File Name Size Dimensions  
1     20200229_Warnimont.png     910.77 MB     16902 x 18690        
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