Version History for Data Release:

Doran, K.S., Long, J.W., Birchler, J.J., Brenner, O.T., Hardy, M.W., Morgan, K.L.M., Stockdon, H.F., and Torres, M.L., 2017, Lidar-derived beach morphology (dune crest, dune toe, and shoreline) for U.S. sandy coastlines (ver. 6.0, March 2024): U.S. Geological Survey data release, https://doi.org/10.5066/F7GF0S0Z.
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Version 1 posted online August 5, 2017
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Version 2.0 revised and reposted online August 22, 2018
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Changes in version 2.0:

1. Added dune morphology data for the following field activity numbers (FANs): 13CNT09, 16CNT04 (Atlantic Coastline); 00CNT03, 01CNT02, 03CNT04, 06CNT07, 07CNT03, 13CNT07, 13CNT08 (Pacific Coastline); 04CNT05, 05LTS06, 08CCH03, 14CNT08, 15CNT01, 15CNT02, and 2016-369-DD (Gulf of Mexico Coastline).

2. Appended dune morphology data for the following field activity numbers (FANs): 07CNT02 and 13CNT05 (Atlantic Coastline).

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Version 3.0 revised and resposted online February 10, 2020
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Changes in version 3.0:

1. Added dune morphology data for the following field activity numbers (FANs): 98LTS01, 98LTS02, 98LTS03, 98LTS08, 99LTS02, 00LTS04, 02LTS01, 04CNT07, 05LTS01, 08CNT01, 11CNT06, 11CNT07, 12LTS03, 12CNT07, 13CNT10, 14CNT05, 14CNT06, 14CNT07, 17CNT01, 2017-310-DD (Atlantic Coastline); 10LTS03, 17CNT03, 2018-692-DD (Gulf of Mexico Coastline).

2. Appended dune morphology data for the following field activity numbers (FANs): 07LTS02 and 2016-369-DD (Gulf of Mexico Coastline).

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Version 4.0 revised and resposted online October 27, 2020
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Changes in version 4.0:

1. Added dune morphology data for the following field activity numbers (FANs): 05CNT04, 2018-308-DD, 2018-309-DD (Atlantic Coastline); 2018-307-CNT (Gulf of Mexico Coastline).

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Version 5.0 revised and resposted online August 22, 2023
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Changes in version 5.0:

1. Added dune morphology data for the following field activity numbers (FANs): 16CNT06, 2019-310-DD, 2019-311-DD, 20CNT01, 2020-303-DD (Atlantic Coastline); 2017-311-DD, 2018-306-CNT, 2018-310-DD (Gulf of Mexico); 2018-308-CNT (Atlantic and Gulf of Mexico Coastlines); 2018-307-DD (Caribbean Coastline).

2. Appended dune morphology data for the following field activity numbers (FANs): 12CNT08, 14CNT01, 17CNT01 (Atlantic Coastline).

3. Corrected geographic coordinates for the following field activity numbers (FANs): 98LTS08, 05CNT04, 16CNT04, 2018-309-DD (Atlantic Coastline); 01LTS02 (Gulf of Mexico)

4. Converted the 'Data dictionary for lidar.pdf' to a Section 508-compliant Word document (.docx), and replaced it in all zip files.

5. Corrected FANs for the 2018-308-DD and 2018-309-DD data (.csv) and metadata files (.txt and .xml).

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Version 6.0 revised and resposted online March 7, 2024
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Changes in version 6.0:

1. Added dune morphology data for the following field activity numbers (FANs): 2021-357-DD, 2022-348-CNT (Atlantic Coastline).

2. Appended dune morphology data for the following field activity numbers (FANs): 17CNT01 (Atlantic Coastline).