AUTHOR=Huang Zuwei , Yu Peng , Zhao Chongjin , Zhang Luolei , Song Han TITLE=Enhancing electrical structure in magnetotelluric inversion by the constraint of minimum cross-gradient support coupling JOURNAL=Frontiers in Earth Science VOLUME=12 YEAR=2024 URL=https://www.frontiersin.org/journals/earth-science/articles/10.3389/feart.2024.1506399 DOI=10.3389/feart.2024.1506399 ISSN=2296-6463