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A warning against over-interpretation of seasonal signals measured by the Global Navigation Satellite System

Chanard, Kristel and Métois, Marianne and Rebischung, Paul and Avouac, Jean-Philippe (2020) A warning against over-interpretation of seasonal signals measured by the Global Navigation Satellite System. Nature Communications, 11 . Art. No. 1375. ISSN 2041-1723. PMCID PMC7070017. https://resolver.caltech.edu/CaltechAUTHORS:20200323-083435029

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Abstract

In a recent study, Panda et al. claim that seasonal strain across the Himalaya indicates seasonal slow slip on the Main Himalayan Thrust (MHT) fault driven by hydrological loading related to the monsoon and driving seasonal variations of seismicity. While we find the analysis interesting, we spell out some reasons why the claim should be considered with caution.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1038/s41467-020-15100-7DOIArticle
https://doi.org/10.1038/s41467-018-06371-2DOIRelated Article
http://www.ncbi.nlm.nih.gov/pmc/articles/pmc7070017/PubMed CentralArticle
ORCID:
AuthorORCID
Chanard, Kristel0000-0001-9934-9621
Métois, Marianne0000-0002-1489-0513
Avouac, Jean-Philippe0000-0002-3060-8442
Additional Information:© 2020 The Author(s). This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/. Received 14 June 2019; Accepted 19 February 2020; Published 13 March 2020. This work was partly funded by the CNES-TOSCA grant 2925. We thank Samuel Nahmani for useful discussions. K.C. acknowledges IPGP contribution 4102. Data availability: Stations logs are available at: https://www.unavco.org/data/gps-gnss/data-access-methods/dai1/recent.php. Daily IGS repro2 station positions available at: https://cddis.gfsc.nasa.gov/gnss/products/repro2. Global Navigation Satellite System (GNSS) time series available at: http://geodesy.unr.edu/index.php. Hydrological loading model (HYDL) available at: http://rz-vm115.gfz-potsdam.de:8080/repository. Global Geophysical Fluid Center (GGFC) atmospheric model available at: http://geophy.uni.lu/ggfc-atmosphere/ncep-loading.html. CATS: GPS coordinate time series analysis software available at: https://www.ngs.noaa.gov/gps-toolbox/cats.htm. Author Contributions: K.C. conducted the initial analysis of the original study by Panda et al. and performed calculations for the solid Earth response to surface loading. M.M. post-processed GNSS data, performed the H/V ratio analysis and associated figures. P.R. provided IGS repro2 residuals. K.C., M.M, P.R. and J-P.A. all collaborated in the interpretation of results, and in writing the manuscript. The authors declare no competing interests.
Group:Seismological Laboratory
Funders:
Funding AgencyGrant Number
Centre National d'Études Spatiales (CNES)2925
Institut de Physique du Globe de Paris (IPGP)UNSPECIFIED
PubMed Central ID:PMC7070017
Record Number:CaltechAUTHORS:20200323-083435029
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20200323-083435029
Official Citation:Chanard, K., Métois, M., Rebischung, P. et al. A warning against over-interpretation of seasonal signals measured by the Global Navigation Satellite System. Nat Commun 11, 1375 (2020). https://doi.org/10.1038/s41467-020-15100-7
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:102038
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:23 Mar 2020 15:46
Last Modified:31 Mar 2020 18:07

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