A high-frequency mobile phone data collection approach for research in social-environmental systems: Applications in climate variability and food security in sub-Saharan Africa. - Stacey A. Giroux; Inna Kouper; Lyndon D. Estes; Jacob Schumacher; Kurt Waldman; Joel T. Greenshields; Stephanie L. Dickinson; Kelly K. Caylor; Tom P. Evans (Environ. Model. Softw., 2019)