Bias correcting regional scale Earth system model projections:  novel approach using empirical mode decomposition

Ganguli, Arkaprabha; Feinstein, Jeremy; Raji, Ibraheem; Akinsanola, Akintomide; Aghili, Connor; Jung, Chunyong; Branham, Jordan; Wall, Tom; Huang, Whitney; Kotamarthi, Rao

doi:10.5194/gmd-18-8313-2025

Articles | Volume 18, issue 21

https://doi.org/10.5194/gmd-18-8313-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/gmd-18-8313-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 18, issue 21

Methods for assessment of models

|

06 Nov 2025

Methods for assessment of models |

| 06 Nov 2025

Bias correcting regional scale Earth system model projections: novel approach using empirical mode decomposition

Arkaprabha Ganguli, Jeremy Feinstein, Ibraheem Raji, Akintomide Akinsanola, Connor Aghili, Chunyong Jung, Jordan Branham, Tom Wall, Whitney Huang, and Rao Kotamarthi

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Total article views: 9,042 (including HTML, PDF, and XML)

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HTML: 7,051
PDF: 1,655
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Views and downloads (calculated since 27 Mar 2025)

Month	HTML	PDF	XML	Total
Mar 2025	126	20	2	148
Apr 2025	270	68	22	360
May 2025	120	50	6	176
Jun 2025	182	64	26	272
Jul 2025	154	64	12	230
Aug 2025	864	72	0	936
Sep 2025	2,920	64	12	2,996
Oct 2025	94	34	2	130
Nov 2025	329	142	30	501
Dec 2025	223	183	20	426
Jan 2026	298	106	31	435
Feb 2026	341	104	30	475
Mar 2026	179	149	13	341
Apr 2026	199	129	7	335
May 2026	247	132	3	382
Jun 2026	17	21	4	42
Jul 2026	52	53	10	115
Aug 2026	72	43	9	124
Sep 2026	164	75	54	293
Oct 2026	183	77	40	300
Nov 2026	17	5	3	25

Cumulative views and downloads (calculated since 27 Mar 2025)

Month	HTML	PDF	XML	Total
Mar 2025	126	20	2	148
Apr 2025	270	68	22	360
May 2025	120	50	6	176
Jun 2025	182	64	26	272
Jul 2025	154	64	12	230
Aug 2025	864	72	0	936
Sep 2025	2,920	64	12	2,996
Oct 2025	94	34	2	130
Nov 2025	329	142	30	501
Dec 2025	223	183	20	426
Jan 2026	298	106	31	435
Feb 2026	341	104	30	475
Mar 2026	179	149	13	341
Apr 2026	199	129	7	335
May 2026	247	132	3	382
Jun 2026	17	21	4	42
Jul 2026	52	53	10	115
Aug 2026	72	43	9	124
Sep 2026	164	75	54	293
Oct 2026	183	77	40	300
Nov 2026	17	5	3	25

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Total article views: 9,042 (including HTML, PDF, and XML) Thereof 8,958 with geography defined and 84 with unknown origin.

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Short summary

This study introduces a timescale-aware bias-correction framework to enhance Earth system model assessments, vital for the geoscience community. By decomposing model outputs into oscillatory components, we preserve critical information across various timescales, ensuring more reliable projections. This improved reliability supports strategic decisions in sectors such as agriculture, water resources, and disaster preparedness.