An extended global Earth system data record on daily landscape freeze–thaw status determined from satellite passive microwave remote sensing

Kim, Youngwook; Kimball, John S.; Glassy, Joseph; Du, Jinyang

doi:10.5194/essd-9-133-2017

Articles | Volume 9, issue 1

https://doi.org/10.5194/essd-9-133-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/essd-9-133-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 9, issue 1

Review article

|

16 Feb 2017

Review article |

| 16 Feb 2017

An extended global Earth system data record on daily landscape freeze–thaw status determined from satellite passive microwave remote sensing

Youngwook Kim, John S. Kimball, Joseph Glassy, and Jinyang Du

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Views and downloads (calculated since 22 Jul 2016)

Month	HTML	PDF	XML	Total
Jul 2016	28	5	0	33
Aug 2016	23	6	2	31
Sep 2016	18	2	0	20
Oct 2016	10	1	0	11
Nov 2016	12	5	0	17
Dec 2016	7	2	0	9
Jan 2017	13	6	1	20
Feb 2017	66	28	5	99
Mar 2017	84	29	2	115
Apr 2017	102	18	3	123
May 2017	64	23	3	90
Jun 2017	44	26	2	72
Jul 2017	28	19	0	47
Aug 2017	13	18	0	31
Sep 2017	15	13	0	28
Oct 2017	13	16	0	29
Nov 2017	10	22	0	32
Dec 2017	10	17	1	28
Jan 2018	13	13	1	27
Feb 2018	17	16	1	34
Mar 2018	17	16	2	35
Apr 2018	6	7	0	13
May 2018	11	13	0	24
Jun 2018	10	16	0	26
Jul 2018	16	20	0	36
Aug 2018	17	21	0	38
Sep 2018	20	31	1	52
Oct 2018	11	25	2	38
Nov 2018	27	26	0	53
Dec 2018	14	17	2	33
Jan 2019	11	15	0	26
Feb 2019	5	17	0	22
Mar 2019	9	20	1	30
Apr 2019	11	14	0	25
May 2019	16	19	0	35
Jun 2019	10	20	0	30
Jul 2019	19	12	0	31
Aug 2019	4	12	0	16
Sep 2019	8	15	0	23
Oct 2019	13	16	1	30
Nov 2019	23	29	0	52
Dec 2019	17	19	1	37
Jan 2020	19	14	1	34
Feb 2020	28	11	0	39
Mar 2020	15	14	0	29
Apr 2020	12	7	1	20
May 2020	13	14	0	27
Jun 2020	31	30	2	63
Jul 2020	49	72	26	147
Aug 2020	6	7	1	14
Sep 2020	12	11	0	23
Oct 2020	15	7	3	25
Nov 2020	27	17	0	44
Dec 2020	22	13	0	35
Jan 2021	33	9	0	42
Feb 2021	23	20	1	44
Mar 2021	25	14	3	42
Apr 2021	21	11	2	34
May 2021	16	20	2	38
Jun 2021	12	18	1	31
Jul 2021	17	10	1	28
Aug 2021	33	22	4	59
Sep 2021	20	20	3	43
Oct 2021	31	58	3	92
Nov 2021	42	49	8	99
Dec 2021	33	19	5	57
Jan 2022	26	14	1	41
Feb 2022	29	19	1	49
Mar 2022	34	23	2	59
Apr 2022	22	18	1	41
May 2022	22	21	3	46
Jun 2022	28	9	2	39
Jul 2022	28	10	2	40
Aug 2022	21	11	2	34
Sep 2022	19	14	2	35
Oct 2022	35	15	5	55
Nov 2022	27	19	2	48
Dec 2022	25	20	3	48
Jan 2023	33	29	6	68
Feb 2023	28	19	1	48
Mar 2023	69	27	4	100
Apr 2023	47	17	2	66
May 2023	33	23	1	57
Jun 2023	55	12	1	68
Jul 2023	35	25	4	64
Aug 2023	22	20	3	45
Sep 2023	30	13	1	44
Oct 2023	29	17	1	47
Nov 2023	15	5	0	20
Dec 2023	20	12	1	33
Jan 2024	21	31	3	55
Feb 2024	29	18	4	51
Mar 2024	37	30	2	69
Apr 2024	46	26	6	78
May 2024	38	27	14	79
Jun 2024	35	23	1	59
Jul 2024	50	30	7	87
Aug 2024	68	24	6	98
Sep 2024	30	11	1	42
Oct 2024	35	15	3	53
Nov 2024	34	12	0	46
Dec 2024	33	29	4	66
Jan 2025	93	52	1	146
Feb 2025	48	21	0	69
Mar 2025	71	26	0	97
Apr 2025	57	24	6	87
May 2025	39	16	1	56
Jun 2025	50	15	3	68
Jul 2025	70	25	5	100
Aug 2025	44	29	2	75
Sep 2025	78	32	9	119
Oct 2025	53	29	4	86
Nov 2025	54	29	2	85

Cumulative views and downloads (calculated since 22 Jul 2016)

Month	HTML	PDF	XML	Total
Jul 2016	28	5	0	33
Aug 2016	23	6	2	31
Sep 2016	18	2	0	20
Oct 2016	10	1	0	11
Nov 2016	12	5	0	17
Dec 2016	7	2	0	9
Jan 2017	13	6	1	20
Feb 2017	66	28	5	99
Mar 2017	84	29	2	115
Apr 2017	102	18	3	123
May 2017	64	23	3	90
Jun 2017	44	26	2	72
Jul 2017	28	19	0	47
Aug 2017	13	18	0	31
Sep 2017	15	13	0	28
Oct 2017	13	16	0	29
Nov 2017	10	22	0	32
Dec 2017	10	17	1	28
Jan 2018	13	13	1	27
Feb 2018	17	16	1	34
Mar 2018	17	16	2	35
Apr 2018	6	7	0	13
May 2018	11	13	0	24
Jun 2018	10	16	0	26
Jul 2018	16	20	0	36
Aug 2018	17	21	0	38
Sep 2018	20	31	1	52
Oct 2018	11	25	2	38
Nov 2018	27	26	0	53
Dec 2018	14	17	2	33
Jan 2019	11	15	0	26
Feb 2019	5	17	0	22
Mar 2019	9	20	1	30
Apr 2019	11	14	0	25
May 2019	16	19	0	35
Jun 2019	10	20	0	30
Jul 2019	19	12	0	31
Aug 2019	4	12	0	16
Sep 2019	8	15	0	23
Oct 2019	13	16	1	30
Nov 2019	23	29	0	52
Dec 2019	17	19	1	37
Jan 2020	19	14	1	34
Feb 2020	28	11	0	39
Mar 2020	15	14	0	29
Apr 2020	12	7	1	20
May 2020	13	14	0	27
Jun 2020	31	30	2	63
Jul 2020	49	72	26	147
Aug 2020	6	7	1	14
Sep 2020	12	11	0	23
Oct 2020	15	7	3	25
Nov 2020	27	17	0	44
Dec 2020	22	13	0	35
Jan 2021	33	9	0	42
Feb 2021	23	20	1	44
Mar 2021	25	14	3	42
Apr 2021	21	11	2	34
May 2021	16	20	2	38
Jun 2021	12	18	1	31
Jul 2021	17	10	1	28
Aug 2021	33	22	4	59
Sep 2021	20	20	3	43
Oct 2021	31	58	3	92
Nov 2021	42	49	8	99
Dec 2021	33	19	5	57
Jan 2022	26	14	1	41
Feb 2022	29	19	1	49
Mar 2022	34	23	2	59
Apr 2022	22	18	1	41
May 2022	22	21	3	46
Jun 2022	28	9	2	39
Jul 2022	28	10	2	40
Aug 2022	21	11	2	34
Sep 2022	19	14	2	35
Oct 2022	35	15	5	55
Nov 2022	27	19	2	48
Dec 2022	25	20	3	48
Jan 2023	33	29	6	68
Feb 2023	28	19	1	48
Mar 2023	69	27	4	100
Apr 2023	47	17	2	66
May 2023	33	23	1	57
Jun 2023	55	12	1	68
Jul 2023	35	25	4	64
Aug 2023	22	20	3	45
Sep 2023	30	13	1	44
Oct 2023	29	17	1	47
Nov 2023	15	5	0	20
Dec 2023	20	12	1	33
Jan 2024	21	31	3	55
Feb 2024	29	18	4	51
Mar 2024	37	30	2	69
Apr 2024	46	26	6	78
May 2024	38	27	14	79
Jun 2024	35	23	1	59
Jul 2024	50	30	7	87
Aug 2024	68	24	6	98
Sep 2024	30	11	1	42
Oct 2024	35	15	3	53
Nov 2024	34	12	0	46
Dec 2024	33	29	4	66
Jan 2025	93	52	1	146
Feb 2025	48	21	0	69
Mar 2025	71	26	0	97
Apr 2025	57	24	6	87
May 2025	39	16	1	56
Jun 2025	50	15	3	68
Jul 2025	70	25	5	100
Aug 2025	44	29	2	75
Sep 2025	78	32	9	119
Oct 2025	53	29	4	86
Nov 2025	54	29	2	85

Latest update: 25 Nov 2025

Short summary

A new freeze–thaw (FT) Earth system data record (ESDR) was developed from satellite passive microwave remote sensing that quantifies the daily landscape frozen or non-frozen status over a 25 km resolution global grid and 1979–2014 record. The FT-ESDR shows favorable accuracy and performance, enabling new studies of climate change and frozen season impacts on surface water mobility and ecosystem processes.