@Article{essd-2026-532,
AUTHOR = {Li, Z. and Zhong, J. and Wang, N. and Hao, Y. and Yuan, Y. and Jakowski, N. and Hoque, M. M. and Liu, A. and Li, Z. and Wan, X.},
TITLE = {GIFT-BDS: A high-resolution TEC and Gradient Ionospheric Index dataset over China derived from BeiDou GEO fixed-geometry observations},
JOURNAL = {Earth System Science Data Discussions},
VOLUME = {2026},
YEAR = {2026},
PAGES = {1--33},
URL = {https://essd.copernicus.org/preprints/essd-2026-532/},
DOI = {10.5194/essd-2026-532}
}