The Geomagnetic Regional Model in Indonesia for Epoch 2020.0
نویسندگان
چکیده
The geomagnetic field at the earth’s surface changes over time, including in Indonesia. An accurate regional model is needed. Indonesia conducted just 49 repeat station measurements (out of 68) epoch 2020.0 due to COVID-19 pandemic. was modeled using collocated cokriging (CC) method, which proven be accurate. results show high accuracy with 1.18 minutes root mean square error (RMSE) for declination component (D), 11.1 inclination (I), and 36.6 nT total intensity (F). This RMSE indicates a similar result 2015.0. It apparent that problem fewer data has been solved CC method. crustal fields are also by combining an enhanced magnetic (EMM). illustrates 94% stations exist low values, contributing global modeling future. values have correlated great earthquake epicenters (magnitude ≥6). earthquakes occurred under 120 from 2010 2020.
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ژورنال
عنوان ژورنال: Geomagnetism and Aeronomy
سال: 2023
ISSN: ['0016-7932', '1555-645X']
DOI: https://doi.org/10.1134/s001679322260062x