Assessing Freshwater Changes over Southern and Central Africa (2002-2017). - Ikechukwu Kalu; Christopher E. Ndehedehe; Onuwa Okwuashi; Aniekan E. Eyoh (Remote. Sens., 2021)

Integration of satellite geodetic observations for regional geoid modeling using remove-compute-restore technique. - Ikechukwu Kalu; Christopher E. Ndehedehe; Onuwa Okwuashi; Aniekan E. Eyoh (Earth Sci. Informatics, 2022)

Geodetic first order data assimilation using an extended Kalman filtering technique. - Ikechukwu Kalu; Christopher E. Ndehedehe; Onuwa Okwuashi; Aniekan E. Eyoh; Vagner G. Ferreira (Earth Sci. Informatics, 2022)

Identifying potential hotspots of groundwater-climate interaction in the Great Artesian Basin, Australia. - Pankaj R. Kaushik; Christopher E. Ndehedehe; Ikechukwu Kalu; Ryan M. Burrows; Mark R. Noll; Mark J. Kennard (Ecol. Informatics, 2023)

Tracking freshwater depletion in Northern Australia: A multi-satellite approach. - Christopher E. Ndehedehe; Ikechukwu Kalu; Vagner G. Ferreira; Alex Okiemute Onojeghuo; Oluwafemi E. Adeyeri; Mohammad J. Tourian; Matthew Currell; Sue Jackson (Ecol. Informatics, 2025)