Observational evidence of temperature trends at two levels  in the  surface layer

Lin, X.; Pielke Sr., R. A.; Mahmood, R.; Fiebrich, C. A.; Aiken, R.

doi:10.5194/acp-16-827-2016

Articles | Volume 16, issue 2

https://doi.org/10.5194/acp-16-827-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/acp-16-827-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 16, issue 2

Research article

|

25 Jan 2016

Research article |

| 25 Jan 2016

Observational evidence of temperature trends at two levels in the surface layer

X. Lin, R. A. Pielke Sr., R. Mahmood, C. A. Fiebrich, and R. Aiken

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Month	HTML	PDF	XML	Total
Sep 2015	374	96	10	480
Oct 2015	22	49	11	82
Nov 2015	13	71	7	91
Dec 2015	7	72	6	85
Jan 2016	119	73	5	197
Feb 2016	55	23	2	80
Mar 2016	21	17	0	38
Apr 2016	11	6	0	17
May 2016	15	10	0	25
Jun 2016	12	3	1	16
Jul 2016	6	2	2	10
Aug 2016	5	7	0	12
Sep 2016	15	16	2	33
Oct 2016	17	4	4	25
Nov 2016	9	3	7	19
Dec 2016	7	5	0	12
Jan 2017	24	5	0	29
Feb 2017	11	3	0	14
Mar 2017	21	10	1	32
Apr 2017	12	8	0	20
May 2017	15	11	0	26
Jun 2017	18	28	1	47
Jul 2017	14	20	0	34
Aug 2017	4	54	0	58
Sep 2017	10	7	1	18
Oct 2017	5	12	0	17
Nov 2017	3	8	0	11
Dec 2017	10	6	0	16
Jan 2018	6	229	0	235
Feb 2018	7	6	0	13
Mar 2018	11	11	0	22
Apr 2018	8	14	0	22
May 2018	19	11	0	30
Jun 2018	12	8	1	21
Jul 2018	10	7	0	17
Aug 2018	20	16	1	37
Sep 2018	14	10	1	25
Oct 2018	12	6	2	20
Nov 2018	13	5	0	18
Dec 2018	10	4	0	14
Jan 2019	3	7	1	11
Feb 2019	7	8	0	15
Mar 2019	7	5	0	12
Apr 2019	8	10	0	18
May 2019	7	6	0	13
Jun 2019	3	8	0	11
Jul 2019	7	5	0	12
Aug 2019	7	11	0	18
Sep 2019	6	0	6
Oct 2019	10	4	1	15
Nov 2019	13	6	3	22
Dec 2019	3	3	0	6
Jan 2020	14	6	1	21
Feb 2020	8	7	3	18
Mar 2020	8	2	0	10
Apr 2020	6	4	0	10
May 2020	8	2	0	10
Jun 2020	24	4	0	28
Jul 2020	22	6	5	33
Aug 2020	7	4	2	13
Sep 2020	7	5	1	13
Oct 2020	9	7	1	17
Nov 2020	11	7	1	19
Dec 2020	7	5	0	12
Jan 2021	13	9	0	22
Feb 2021	10	3	1	14
Mar 2021	9	4	0	13
Apr 2021	11	6	0	17
May 2021	6	5	1	12
Jun 2021	8	2	1	11
Jul 2021	4	10	0	14
Aug 2021	5	9	1	15
Sep 2021	5	9	0	14
Oct 2021	5	41	0	46
Nov 2021	8	25	1	34
Dec 2021	14	7	3	24
Jan 2022	6	11	0	17
Feb 2022	8	7	1	16
Mar 2022	7	6	0	13
Apr 2022	3	3	1	7
May 2022	2	2	0	4
Jun 2022	6	5	1	12
Jul 2022	3	2	0	5
Aug 2022	7	3	0	10
Sep 2022	1	5	0	6
Oct 2022	11	2	2	15
Nov 2022	14	4	0	18
Dec 2022	15	7	3	25
Jan 2023	7	7	1	15
Feb 2023	11	6	1	18
Mar 2023	8	5	3	16
Apr 2023	4	1	0	5
May 2023	29	11	1	41
Jun 2023	36	3	0	39
Jul 2023	41	4	1	46
Aug 2023	33	6	1	40
Sep 2023	36	5	1	42
Oct 2023	35	8	1	44
Nov 2023	32	4	0	36
Dec 2023	44	3	3	50
Jan 2024	36	6	1	43
Feb 2024	33	9	2	44
Mar 2024	36	12	0	48
Apr 2024	36	3	2	41
May 2024	13	12	2	27
Jun 2024	36	4	2	42
Jul 2024	5	11	1	17
Aug 2024	22	6	3	31
Sep 2024	5	4	0	9
Oct 2024	11	5	0	16
Nov 2024	6	7	3	16
Dec 2024	9	8	4	21
Jan 2025	13	6	1	20
Feb 2025	35	20	3	58
Mar 2025	13	8	1	22
Apr 2025	12	12	5	29
May 2025	11	6	1	18
Jun 2025	40	10	3	53
Jul 2025	15	20	2	37
Aug 2025	34	11	0	45
Sep 2025	23	13	4	40
Oct 2025	15	26	1	42
Nov 2025	8	8	0	16

Cumulative views and downloads (calculated since 11 Sep 2015)

Month	HTML	PDF	XML	Total
Sep 2015	374	96	10	480
Oct 2015	22	49	11	82
Nov 2015	13	71	7	91
Dec 2015	7	72	6	85
Jan 2016	119	73	5	197
Feb 2016	55	23	2	80
Mar 2016	21	17	0	38
Apr 2016	11	6	0	17
May 2016	15	10	0	25
Jun 2016	12	3	1	16
Jul 2016	6	2	2	10
Aug 2016	5	7	0	12
Sep 2016	15	16	2	33
Oct 2016	17	4	4	25
Nov 2016	9	3	7	19
Dec 2016	7	5	0	12
Jan 2017	24	5	0	29
Feb 2017	11	3	0	14
Mar 2017	21	10	1	32
Apr 2017	12	8	0	20
May 2017	15	11	0	26
Jun 2017	18	28	1	47
Jul 2017	14	20	0	34
Aug 2017	4	54	0	58
Sep 2017	10	7	1	18
Oct 2017	5	12	0	17
Nov 2017	3	8	0	11
Dec 2017	10	6	0	16
Jan 2018	6	229	0	235
Feb 2018	7	6	0	13
Mar 2018	11	11	0	22
Apr 2018	8	14	0	22
May 2018	19	11	0	30
Jun 2018	12	8	1	21
Jul 2018	10	7	0	17
Aug 2018	20	16	1	37
Sep 2018	14	10	1	25
Oct 2018	12	6	2	20
Nov 2018	13	5	0	18
Dec 2018	10	4	0	14
Jan 2019	3	7	1	11
Feb 2019	7	8	0	15
Mar 2019	7	5	0	12
Apr 2019	8	10	0	18
May 2019	7	6	0	13
Jun 2019	3	8	0	11
Jul 2019	7	5	0	12
Aug 2019	7	11	0	18
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Oct 2019	10	4	1	15
Nov 2019	13	6	3	22
Dec 2019	3	3	0	6
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Feb 2020	8	7	3	18
Mar 2020	8	2	0	10
Apr 2020	6	4	0	10
May 2020	8	2	0	10
Jun 2020	24	4	0	28
Jul 2020	22	6	5	33
Aug 2020	7	4	2	13
Sep 2020	7	5	1	13
Oct 2020	9	7	1	17
Nov 2020	11	7	1	19
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Feb 2021	10	3	1	14
Mar 2021	9	4	0	13
Apr 2021	11	6	0	17
May 2021	6	5	1	12
Jun 2021	8	2	1	11
Jul 2021	4	10	0	14
Aug 2021	5	9	1	15
Sep 2021	5	9	0	14
Oct 2021	5	41	0	46
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Feb 2022	8	7	1	16
Mar 2022	7	6	0	13
Apr 2022	3	3	1	7
May 2022	2	2	0	4
Jun 2022	6	5	1	12
Jul 2022	3	2	0	5
Aug 2022	7	3	0	10
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Oct 2022	11	2	2	15
Nov 2022	14	4	0	18
Dec 2022	15	7	3	25
Jan 2023	7	7	1	15
Feb 2023	11	6	1	18
Mar 2023	8	5	3	16
Apr 2023	4	1	0	5
May 2023	29	11	1	41
Jun 2023	36	3	0	39
Jul 2023	41	4	1	46
Aug 2023	33	6	1	40
Sep 2023	36	5	1	42
Oct 2023	35	8	1	44
Nov 2023	32	4	0	36
Dec 2023	44	3	3	50
Jan 2024	36	6	1	43
Feb 2024	33	9	2	44
Mar 2024	36	12	0	48
Apr 2024	36	3	2	41
May 2024	13	12	2	27
Jun 2024	36	4	2	42
Jul 2024	5	11	1	17
Aug 2024	22	6	3	31
Sep 2024	5	4	0	9
Oct 2024	11	5	0	16
Nov 2024	6	7	3	16
Dec 2024	9	8	4	21
Jan 2025	13	6	1	20
Feb 2025	35	20	3	58
Mar 2025	13	8	1	22
Apr 2025	12	12	5	29
May 2025	11	6	1	18
Jun 2025	40	10	3	53
Jul 2025	15	20	2	37
Aug 2025	34	11	0	45
Sep 2025	23	13	4	40
Oct 2025	15	26	1	42
Nov 2025	8	8	0	16

Latest update: 13 Nov 2025

Short summary

We found that the near-surface lapse rate has significantly decreased with a trend of −0.18 ± 0.03 °C (10 m)⁻¹ per decade. We also showed that the 9 m height temperatures increased faster than temperatures at the 1.5 m screen level and/or conditions at the 1.5 m height cooled faster than at the 9 m height.