Technical note: Fourier approach for estimating the thermal attributes of streams

Ryo, Masahiro; Leys, Marie; Robinson, Christopher T.

doi:10.5194/hess-20-3411-2016

Articles | Volume 20, issue 8

https://doi.org/10.5194/hess-20-3411-2016

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

https://doi.org/10.5194/hess-20-3411-2016

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

Articles | Volume 20, issue 8

Technical note

|

24 Aug 2016

Technical note |

| 24 Aug 2016

Technical note: Fourier approach for estimating the thermal attributes of streams

Masahiro Ryo, Marie Leys, and Christopher T. Robinson

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Total article views: 2,424 (including HTML, PDF, and XML)

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Views and downloads (calculated since 23 May 2016)

Month	HTML	PDF	XML	Total
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Jun 2016	31	10	1	42
Jul 2016	7	4	0	11
Aug 2016	101	15	5	121
Sep 2016	56	11	4	71
Oct 2016	13	1	6	20
Nov 2016	11	3	5	19
Dec 2016	3	4	0	7
Jan 2017	14	10	1	25
Feb 2017	8	6	0	14
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Apr 2025	7	12	0	19
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Oct 2025	6	14	0	20
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Jan 2026	49	21	12	82
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Cumulative views and downloads (calculated since 23 May 2016)

Month	HTML	PDF	XML	Total
May 2016	91	24	0	115
Jun 2016	31	10	1	42
Jul 2016	7	4	0	11
Aug 2016	101	15	5	121
Sep 2016	56	11	4	71
Oct 2016	13	1	6	20
Nov 2016	11	3	5	19
Dec 2016	3	4	0	7
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Feb 2017	8	6	0	14
Mar 2017	17	6	1	24
Apr 2017	20	16	2	38
May 2017	23	11	1	35
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Jul 2017	14	8	0	22
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Oct 2017	3	6	0	9
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Feb 2025	15	7	2	24
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Apr 2025	7	12	0	19
May 2025	5	2	1	8
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Jul 2025	21	12	1	34
Aug 2025	16	17	2	35
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Oct 2025	6	14	0	20
Nov 2025	13	22	4	39
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Jan 2026	49	21	12	82
Feb 2026	12	10	2	24
Mar 2026	15	12	7	34

Latest update: 29 Mar 2026

Short summary

We developed an analytical method to estimate thermal attributes (seasonal and diel periodicities as well as irregularities) in stream temperature at data-poor sites. We extrapolated the thermal attributes of a glacier-fed stream in the Swiss Alps using 2 years of hourly recorded temperature to the data-poor sites. The R scripts used in this study are available in the Supplement.