ICESat-2 lead fraction and chord length estimates
Contributors
Research groups:
Description
Along-track and gridded (25 km) lead fraction and chord length estimates across the Arctic and Southern Ocean derived from ICESat-2 ATL07 (height and type) data. Arctic Ocean data span the period November 2018 to April 2019, Southern Ocean data span the period May 2019 to September 2019. Files include:
- 'IS2_raw_chord_lengths'...files include the raw chord length estimates for each beam. The data are in ascending beam and then time order.
- 'IS2_swath_section_leads'...files include the mean 10 km swath (3 strong beams) lead fraction estimates. The data are in ascending time order.
- 'IS2_gridded_chord_lengths'...files provided gridded versions of the individual chord length data on a 25 km x 25 km polar sterographic grid (EPSG: 3411 for the Arctic and 3412 for the Southern Ocean) for the two complete winter seasons.
- 'IS2_gridded_lead_fraction'...files provided gridded versions of the swath data on a 25 km x 25 km polar sterographic grid (EPSG: 3411 for the Arctic and 3412 for the Southern Ocean) for the two complete winter seasons.
All data are provided in the NetCDF-4 format. Browse images of the lead fraction and gridded chord length estimates are included. The data processing methodology is described in the following peer-reviewed publication:
Petty, A. A., Bagnardi, M., Kurtz, N., Tilling, R., Fons, S., Armitage, T., et al. (2021). Assessment of ICESat‐2 sea ice surface classification with Sentinel‐2 imagery: implications for freeboard and new estimates of lead and floe geometry. Earth and Space Science, 8, e2020EA001491. https://doi.org/10.1029/2020EA001491
Files
IS2_gridded_chord_lengths_v1_20181101-20190430_nh_003_001.png
Files
(461.3 MB)
| Name | Size | Download all |
|---|---|---|
|
md5:adf0720de896b8f241376c94efee988b
|
3.3 MB | Download |
|
md5:c929a26972ae30285a00849f1aba3ce0
|
2.5 MB | Download |
|
md5:eb37f7d46a1242fa99ecccdea08b5c4f
|
1.2 MB | Preview Download |
|
md5:c85322019dbd43c3df43c77b8226e904
|
748.5 kB | Preview Download |
|
md5:3211e845015c38fe384efdfc2c0f1074
|
3.3 MB | Download |
|
md5:c19bd7ac2f60258446f6a32ac04e5df1
|
2.5 MB | Download |
|
md5:8b0e2d29422466f26019e3508f262854
|
111.4 MB | Download |
|
md5:afb1b99d691cef39be8cae9ab68988cd
|
53.1 MB | Download |
|
md5:d3326ca527adff9aecf58709372cb3ac
|
128.2 MB | Download |
|
md5:86354152e852ec65c8b9e8c16aea08d2
|
69.9 MB | Download |
|
md5:252232dbb08230442637e8604de78439
|
61.7 MB | Download |
|
md5:b9a45b92be3dadb03c0e4939ffbe50a9
|
17.7 MB | Download |
|
md5:dbfd290a93167773603c02a70980e6e8
|
3.3 MB | Preview Download |
|
md5:e4d4566d84f8d110c9b7a7512483395c
|
2.4 MB | Preview Download |
Additional details
Related works
- Is documented by
- Preprint: 10.1002/essoar.10504493.1 (DOI)
References
- Petty, A. A., Bagnardi, M., Kurtz, N., Tilling, R., Fons, S., Armitage, T., et al. (2021). Assessment of ICESat‐2 sea ice surface classification with Sentinel‐2 imagery: implications for freeboard and new estimates of lead and floe geometry. Earth and Space Science, 8, e2020EA001491. https://doi.org/10.1029/2020EA001491.