The book is devoted to the study of information field processes. The content of the information field is revealed. Its relation with the information space is shown. The resources of the information field are described. The information field has resource and procedural components. Formation of information resources is one of the important processes of the information field. Spatial information resources are singled out, the content of geodata and spatial models is revealed. Geomonitoring as a process in the real field that transmits information to the information field is described. The main object of the information field - information model - is described. The multidimensionality of the information model is shown. Modeling as a process of the information field is described. Information interactions in the information field are described. Knowledge acquisition as a process of the information field is described. The book is intended for specialists in computer science, geoinformatics and spatial analysis.