Citation:

PANGAEA.971786 (DOI registration in progress)

Name: Glacier velocity maps over 2014-2019 on the Kenai Peninsula, Alaska
Creator: Ruitang Yang
Published: 2024
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Alaska; glacier; glacier runoff; Kenai; mass balance

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Abstract:

We used the Python Glacier Evolution Model (PyGEM) to model monthly glacier-wide climatic mass balance and runoff for all glaciers on the Peninsula from 2005 to 2019. It estimates the climatic mass balance (the sum of accumulation, melt, and refreezing) for each glacier using ~10 m elevation bins, the ice thickness, and a monthly time step forced with near-surface air temperature and precipitation data. The model is calibrated by the Geodetic mass balance data and validated by the in-situ data from US Geological Survey Benchmark Glaciers datasets (https://doi.pangaea.de/10.1594/PANGAEA.970133). We also used the Sentinel-1 data basing offset tracking method to derive velocity maps for glaciers on the Kenai Peninsula from Oct 2014 to Dec 2019 (this dataset).

Keyword(s):

Alaska; glacier; glacier runoff; Kenai; mass balance

Related to:

Yang, Ruitang (2024): Glacier mass balance and runoff over 2005-2019 on the Kenai Peninsula, Alaska [dataset]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.970133

Funding:

Chinese Academy of Sciences (CAS), grant/award no. 131B62KYSB20180003

European Research Council (ERC), grant/award no. 101096057 : Past and Future High-resolution Global Glacier Mass Changes (GLACMASS)

Gansu Provincial Science and Technology Department, grant/award no. 22ZD6FA005

National Aeronautics and Space Administration (NASA), grant/award no. 80NSSC20K1296: Quantifying Contributions from Glaciers and Terrestrial Hydrology to Recent and Future Sea Level Change

State Key Laboratory of Cryospheric Science, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, grant/award no. SKLCS-ZZ-2022

The Research Council of Norway (RCN), grant/award no. 324131 : Global glacier modeling: Do non-linear feedbacks matter for century-scale projections?

Coverage:

Latitude: 60.094000 * Longitude: -149.995000

Date/Time Start: 2014-10-22T00:00:00 * Date/Time End: 2019-12-13T00:00:00

Minimum ORDINAL NUMBER: 1 * Maximum ORDINAL NUMBER: 92

Event(s):

Kenai_Peninsula_2014-2019 * Latitude: 60.094000 * Longitude: -149.995000 * Date/Time Start: 2014-10-22T00:00:00 * Date/Time End: 2019-12-13T00:00:00 * Method/Device: Satellite imagery (SATI)

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Comment
1	ORDINAL NUMBER	Ord No		Yang, Ruitang	Geocode – Series number
2	Raster graphic, GeoTIFF format	GeoTIFF		Yang, Ruitang
3	Raster graphic, GeoTIFF format (File Size)	GeoTIFF (Size)	Bytes	Yang, Ruitang
4	Sensor unit	Unit		Yang, Ruitang	Scene 1
5	Data collection date	DC date		Yang, Ruitang	Scene 1: Acquisition date
6	Sensor unit	Unit		Yang, Ruitang	Scene 2
7	Data collection date	DC date		Yang, Ruitang	Scene 2: Acquisition date
8	Time in days	Time	days	Yang, Ruitang	Time period between acquisition
9	Uncertainty of co-registration, median	sigma coreg	m/day	Yang, Ruitang
10	Uncertainty of co-registration, median absolute deviation	sigma coreg MAD	m/day	Yang, Ruitang
11	Intensity-offset tracking algorithm, uncertainty	sigma track	m/day	Yang, Ruitang
12	Total uncertainty of median	sigma M	m/day	Yang, Ruitang
13	Total uncertainty of median absolute deviation	sigma MAD	m/day	Yang, Ruitang
14	Coverage	Cov	%	Yang, Ruitang	spacial

License:

Creative Commons Attribution 4.0 International (CC-BY-4.0)

Status:

Curation Level: Basic curation (CurationLevelB)

Size:

1104 data points

Data

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1 Ord No (Series number)	2 GeoTIFF	3 GeoTIFF (Size) [Bytes]	4 Unit (Scene 1)	5 DC date (Scene 1: Acquisition date)	6 Unit (Scene 2)	7 DC date (Scene 2: Acquisition date)	8 Time [days] (Time period between acquisition)	9 sigma coreg [m/day]	10 sigma coreg MAD [m/day]	11 sigma track [m/day]	12 sigma M [m/day]	13 sigma MAD [m/day]	14 Cov [%] (spacial)
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43	20170720-20170801.tif	13.2 MBytes	S1-B	2017-07-20	S1-B	2017-08-01	12	0.03	0.01	0.23	0.23	0.23	97
44	20170801-20170813.tif	13.2 MBytes	S1-B	2017-08-01	S1-B	2017-08-13	12	0.03	0.01	0.23	0.23	0.23	98
45	20170813-20170825.tif	13.2 MBytes	S1-B	2017-08-13	S1-B	2017-08-25	12	0.03	0.01	0.23	0.23	0.23	98
46	20170825-20170906.tif	13.2 MBytes	S1-B	2017-08-25	S1-B	2017-09-06	12	0.12	0.01	0.23	0.23	0.23	97
47	20170906-20170918.tif	13.2 MBytes	S1-B	2017-09-06	S1-B	2017-09-18	12	0.06	0.01	0.23	0.23	0.23	97
48	20170918-20170930.tif	13.2 MBytes	S1-B	2017-09-18	S1-B	2017-09-30	12	0.02	0.01	0.23	0.23	0.23	97
49	20170930-20171012.tif	13.2 MBytes	S1-B	2017-09-30	S1-B	2017-10-12	12	0.03	0.01	0.23	0.23	0.23	96
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56	20180116-20180128.tif	13.2 MBytes	S1-B	2018-01-16	S1-B	2018-01-28	12	0.10	0.04	0.23	0.23	0.23	97
57	20180128-20180209.tif	13.2 MBytes	S1-B	2018-01-28	S1-B	2018-02-09	12	0.08	0.03	0.23	0.23	0.23	99
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60	20180317-20180410.tif	13.2 MBytes	S1-B	2018-03-17	S1-B	2018-04-10	24	0.07	0.03	0.12	0.12	0.12	97
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64	20180528-20180703.tif	13.2 MBytes	S1-B	2018-05-28	S1-B	2018-07-03	36	0.06	0.03	0.08	0.08	0.08	97
65	20180703-20180727.tif	13.2 MBytes	S1-B	2018-07-03	S1-B	2018-07-27	24	0.05	0.02	0.12	0.12	0.12	97
66	20180727-20180808.tif	13.2 MBytes	S1-B	2018-07-27	S1-B	2018-08-08	12	0.02	0.01	0.23	0.23	0.23	96
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68	20180820-20180901.tif	6.6 MBytes	S1-B	2018-08-20	S1-B	2018-09-01	12	0.06	0.01	0.23	0.23	0.23	85
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76	20190216-20190405.tif	13 MBytes	S1-B	2019-02-16	S1-B	2019-04-05	48	0.05	0.02	0.06	0.06	0.06	97
77	20190405-20190417.tif	13.2 MBytes	S1-B	2019-04-05	S1-B	2019-04-17	12	0.08	0.04	0.23	0.23	0.23	97
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79	20190511-20190523.tif	13.2 MBytes	S1-B	2019-05-11	S1-B	2019-05-23	12	0.15	0.05	0.23	0.23	0.23	95
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81	20190604-20190616.tif	13.1 MBytes	S1-B	2019-06-04	S1-B	2019-06-16	12	0.08	0.03	0.23	0.23	0.23	96
82	20190616-20190628.tif	13.1 MBytes	S1-B	2019-06-16	S1-B	2019-06-28	12	0.06	0.02	0.23	0.23	0.23	97
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84	20190710-20190722.tif	13.2 MBytes	S1-B	2019-07-10	S1-B	2019-07-22	12	0.02	0.01	0.23	0.23	0.23	97
85	20190722-20190815.tif	13.1 MBytes	S1-B	2019-07-22	S1-B	2019-08-15	24	0.02	0.00	0.12	0.12	0.12	97
86	20190815-20190827.tif	13.2 MBytes	S1-B	2019-08-15	S1-B	2019-08-27	12	0.02	0.01	0.23	0.23	0.23	97
87	20190827-20190920.tif	13.2 MBytes	S1-B	2019-08-27	S1-B	2019-09-20	24	0.09	0.01	0.12	0.12	0.12	97
88	20190920-20191002.tif	13.2 MBytes	S1-B	2019-09-20	S1-B	2019-10-02	12	0.02	0.01	0.23	0.23	0.23	97
89	20191002-20191107.tif	13.2 MBytes	S1-B	2019-10-02	S1-B	2019-11-07	36	0.04	0.01	0.08	0.08	0.08	96
90	20191107-20191119.tif	13.2 MBytes	S1-B	2019-11-07	S1-B	2019-11-19	12	0.06	0.03	0.23	0.23	0.23	97
91	20191119-20191201.tif	13.2 MBytes	S1-B	2019-11-19	S1-B	2019-12-01	12	0.11	0.04	0.23	0.23	0.23	98
92	20191201-20191213.tif	13.2 MBytes	S1-B	2019-12-01	S1-B	2019-12-13	12	0.09	0.04	0.23	0.23	0.23	97