Doctor of Forestry Engineering.
-Scholarship in the Department of Improvement, Nurseries and Forest Repopulation. INIA. 1983.
-Hired from June 1982 to July 1988 in the Hydrology Section of ICONA.
-Collaborator with INTECSA in the elaboration of projects in the Hydrology Section during 1988 and 1989.
-Professor of General Hydraulics, Forest Hydrology and Soil Conservation at the Escuela Universitaria de Ingeniería Técnica Forestal de Madrid. From 1989 to the present. His professional and research career has been linked to surface hydrology and more specifically to soil degradation processes.
Outstanding publications
ROLDÁN M., 2007. A new formulation to estimate of rainfall kinetic energy from daily rainfall. Application in the estimating the R factor to Spain. 5th International Congress of the European Society for Soil Conservation: “Changing soils in Changing World: the Soils of Tomorrow”.
ROLDÁN M., 2007. Kinetic energy variation caused by vegetation cover. International ESSC Conference on “Soil and water Conservation Under Changing Land Use”.
ROLDÁN M., 2007. El poder de la lluvia. Características de la precipitación y erosividad. Nueva formulación para la estimación de la erosividad. Aplicación al cálculo del factor «R » de la USLE. 2006. Serie Técnica. Dirección General para la Biodiversidad. Ministerio de Medio Ambiente.