2012 USGS EAARL-B Lidar: Post-Sandy, Barnegat Bay (NJ) Point Cloud files with Orthometric Vertical Datum North American Vertical Datum of 1988 (NAVD88) using GEOID18

Below are links to the files that make up the 2012 USGS EAARL-B Lidar: Post-Sandy, Barnegat Bay (NJ) dataset in an orthometric vertical datum North American Vertical Datum of 1988 (NAVD88) using GEOID18. This HTML file is here to emulate the access you would have gotten through an ftp site. The files containing geospatial indices, metadata, etc., are listed first, followed by the files. To download in bulk, it is suggested you use a program such as wget (example below). The geospatial index file in shapefile format also has a URL attribute that some GIS programs can use to download files. You can also subset the data, make derived products, and change projection, datum, etc., using the Digital Coast Data Access Viewer (add to cart, the link to bulk download or LAZ fmt will take you here).

The files are in LAZ format, a lossless compressed version of the ASPRS LAS format. The compression and decompression is done with the free and open source 'laszip' program available at http://laszip.org. This is not the same as the more general zip format. Many geospatial programs will read LAZ files natively and decompression is often not necessary. There is a list of software with native support on the laszip site.

Example to download entire data set using wget (note: sufficiently new and trusted pre-compiled Windows versions can be hard to find):
wget -np -r -nH -L --cut-dirs=2 https://chs.coast.noaa.gov/htdata/lidar1_z/geoid18/data/4730/
This will give you the directory structure starting with geoid18. Modify the --cut-dirs=2 argument to modify the start directory (e.g. --cut-dirs=4 will start at 4730). Wget is a command-line program and the output will be to the directory you run it in. More options and information can be found at http://www.gnu.org/software/wget/manual/wget.html. The other options in the example mean:


If you have problems with wget that look like an authorization or certificate issue, you may need to add the option "--no-check-certificate". Windows users may want to install the Windows Subsystem for Linux to get a current wget.

You can also use the uGet program with the list of URLs in file urllist4730.txt. Several posts on the GeoZone blog provide help with downloading, including:

The total size to download all the files is 260M. There are 146 LAZ files and the summary class table is:
Class NumberClass NamePoints
11Green Laser returns76126020

If you need FTP access instead of HTTPS, use ftp://ftp.coast.noaa.gov/pub/DigitalCoast/lidar1_z/geoid18/data/4730

Georeferencing Note

You may find the georeferencing on the files refers to generic NAD83 (EPSG code 4269). All files, with the exception of the few in WGS84, are in a more recent realization of NAD83 such as NAD83(CORS96), NAD83(HARN), NAD83(NSRS2007), or NAD83(2011).

Meta Info

Tile Index: tileindex.zip (Shapefile)
                nj2012_usgs_barnegatbay_index.gpkg (GeoPackage)
Metadata: nj2012_usgs_barnegatbay_metadata.xml
Metadata: nj2012_usgs_barnegatbay_metadata.html
XYZ range table: nj2012_usgs_barnegatbay_minmax.csv
README: 0README.txt (contains similar information to above)
URL List: urllist4730.txt is a list of all the URLs for batch downloading.

Supplemental Info

supplemental/index.html
supplemental/nj2012_usgs_barnegatbay_m4730.kmz

Point Clouds

20121206_post_e576_n4438_18.laz
20121105_post_e580_n4432_18.laz
20121121_post_e558_n4376_18.laz
20121204_post_e568_n4424_18.laz
20121116_post_e578_n4424_18.laz
20121116_post_e570_n4390_18.laz
20121116_post_e574_n4412_18.laz
20121101_post_e572_n4392_18.laz
20121205_post_e560_n4388_18.laz
20121116_post_e568_n4396_18.laz
20121204_post_e568_n4422_18.laz
20121101_post_e570_n4392_18.laz
20121205_post_e560_n4386_18.laz
20121116_post_e576_n4436_18.laz
20121204_post_e568_n4410_18.laz
20121116_post_e574_n4410_18.laz
20121120_post_e578_n4420_18.laz
20121205_post_e560_n4384_18.laz
20121205_post_e558_n4386_18.laz
20121204_post_e568_n4408_18.laz
20121105_post_e578_n4436_18.laz
20121205_post_e558_n4384_18.laz
20121120_post_e576_n4404_18.laz
20121116_post_e576_n4434_18.laz
20121204_post_e568_n4406_18.laz
20121116_post_e568_n4394_18.laz
20121116_post_e574_n4408_18.laz
20121205_post_e558_n4382_18.laz
20121120_post_e576_n4402_18.laz
20121205_post_e558_n4380_18.laz
20121204_post_e568_n4404_18.laz
20121116_post_e576_n4432_18.laz
20121120_post_e574_n4436_18.laz
20121116_post_e576_n4430_18.laz
20121120_post_e574_n4434_18.laz
20121101_post_e562_n4378_18.laz
20121204_post_e558_n4378_18.laz
20121120_post_e574_n4432_18.laz
20121105_post_e578_n4434_18.laz
20121205_post_e556_n4382_18.laz
20121130_post_e572_n4430_18.laz
20121120_post_e574_n4430_18.laz
20121205_post_e556_n4380_18.laz
20121116_post_e576_n4426_18.laz
20121116_post_e568_n4392_18.laz
20121101_post_e562_n4376_18.laz
20121105_post_e578_n4430_18.laz
20121130_post_e572_n4428_18.laz
20121120_post_e574_n4398_18.laz
20121101_post_e560_n4376_18.laz
20121205_post_e556_n4378_18.laz
20121116_post_e574_n4406_18.laz
20121130_post_e570_n4406_18.laz
20121116_post_e576_n4424_18.laz
20121205_post_e556_n4376_18.laz
20121101_post_e560_n4374_18.laz
20121120_post_e572_n4418_18.laz
20121120_post_e572_n4414_18.laz
20121205_post_e556_n4374_18.laz
20121105_post_e578_n4422_18.laz
20121120_post_e570_n4404_18.laz
20121205_post_e554_n4376_18.laz
20121105_post_e578_n4418_18.laz
20121204_post_e572_n4434_18.laz
20121116_post_e576_n4422_18.laz
20121105_post_e578_n4416_18.laz
20121204_post_e572_n4432_18.laz
20121105_post_e578_n4414_18.laz
20121204_post_e572_n4424_18.laz
20121105_post_e576_n4416_18.laz
20121204_post_e570_n4424_18.laz
20121130_post_e568_n4402_18.laz
20121120_post_e568_n4400_18.laz
20121116_post_e568_n4390_18.laz
20121116_post_e576_n4420_18.laz
20121204_post_e570_n4422_18.laz
20121116_post_e574_n4404_18.laz
20121116_post_e576_n4418_18.laz
20121120_post_e568_n4398_18.laz
20121105_post_e576_n4414_18.laz
20121130_post_e558_n4374_18.laz
20121204_post_e570_n4414_18.laz
20121121_post_e576_n4428_18.laz
20121120_post_e566_n4394_18.laz
20121121_post_e574_n4428_18.laz
20121105_post_e566_n4386_18.laz
20121120_post_e560_n4380_18.laz
20121121_post_e572_n4422_18.laz
20121116_post_e568_n4388_18.laz
20121116_post_e576_n4412_18.laz
20121120_post_e560_n4378_18.laz
20121116_post_e574_n4402_18.laz
20121121_post_e572_n4416_18.laz
20121116_post_e576_n4410_18.laz
20121121_post_e570_n4410_18.laz
20121116_post_e578_n4432_18.laz
20121121_post_e570_n4408_18.laz
20121116_post_e574_n4400_18.laz
20121116_post_e576_n4408_18.laz
20121116_post_e568_n4386_18.laz
20121105_post_e566_n4384_18.laz
20121121_post_e566_n4382_18.laz
20121116_post_e578_n4428_18.laz
20121116_post_e566_n4392_18.laz
20121121_post_e560_n4382_18.laz
20121105_post_e564_n4382_18.laz
20121116_post_e578_n4426_18.laz
20121116_post_e572_n4412_18.laz
20121116_post_e566_n4390_18.laz
20121116_post_e574_n4426_18.laz
20121116_post_e572_n4410_18.laz
20121116_post_e574_n4424_18.laz
20121116_post_e572_n4408_18.laz
20121116_post_e574_n4422_18.laz
20121116_post_e574_n4420_18.laz
20121116_post_e572_n4406_18.laz
20121105_post_e564_n4380_18.laz
20121116_post_e574_n4418_18.laz
20121116_post_e566_n4388_18.laz
20121101_post_e580_n4434_18.laz
20121116_post_e574_n4416_18.laz
20121116_post_e572_n4404_18.laz
20121116_post_e574_n4414_18.laz
20121101_post_e580_n4430_18.laz
20121101_post_e576_n4406_18.laz
20121116_post_e564_n4390_18.laz
20121116_post_e572_n4402_18.laz
20121116_post_e564_n4388_18.laz
20121101_post_e574_n4396_18.laz
20121101_post_e572_n4396_18.laz
20121116_post_e564_n4386_18.laz
20121116_post_e564_n4384_18.laz
20121116_post_e572_n4400_18.laz
20121101_post_e572_n4394_18.laz
20121116_post_e562_n4388_18.laz
20121116_post_e562_n4386_18.laz
20121116_post_e572_n4398_18.laz
20121116_post_e562_n4384_18.laz
20121116_post_e562_n4382_18.laz
20121116_post_e562_n4380_18.laz
20121105_post_e580_n4436_18.laz
20121116_post_e570_n4402_18.laz
20121116_post_e570_n4400_18.laz
20121116_post_e570_n4398_18.laz
20121116_post_e570_n4396_18.laz
20121116_post_e570_n4394_18.laz

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