Abstract
David M. Mark published his first journal article in 1970. Since then, he has written or coauthored more than 220 publications over a period of 40 years as of 28 May 2012. Based on data from Web of Science (WoS) and Google Scholar, Mark’s publications have been cited over 7410 times by researchers in more than 80 countries or regions as of 28 May 2012, when this paper was first prepared. The geographic extent of Mark’s scholarly influence is truly global. An examination of his 20 most cited articles reveals that his work in diverse areas as digital elevation models, geomorphology, geographic cognition, and ontology of the geospatial domain enjoyed a lasting impact worldwide.
Acknowledgment
The authors wish to thank two anonymous reviewers who provided helpful comments on a previous version of this article. For the record, as of 20 May 2013, when this paper was finalized, the number of citations of Mark’s publications as shown in Google Scholar was 8765 with an H-Index of 46.