GIS to Create Maps Based on the Bergsma Model for Gully Erosion Estimation Using DEM: A Case Study for Qarahanjeer, Kirkuk, Iraq. Iraqi National Journal of Earth Science (INJES), [S. l.], v. 26, n. 4, p. 31–39, 2026. DOI: 10.33899/injes.v26i4.56023. Disponível em: https://earth.uomosul.edu.iq/index.php/earth/article/view/56023. Acesso em: 30 sep. 2026.