Paleogeography is a term used to describe the study of the geographic features of the earth's surface during prehistoric times. Some synonyms for paleogeography include ancient geography, prehistoric geography, and historical geography. Other terms that are commonly used to describe the same concept include paleotopography, paleolandscapes, and paleoecology. These terms are often used interchangeably to describe the same discipline, which involves studying the physical and environmental conditions of the past in order to better understand the evolution of the earth's surface. Researchers in this field use a variety of techniques to reconstruct ancient landscapes, including isotopic analysis, sedimentary analysis, and fossil evidence.