Interests:
Genetic stratigraphy, sedimentary environments, sandstone diagenesis, focusing on the Pennsylvanian, Jurassic, and Cretaceous of the United States and selected basins worldwide

Publications:
Joeckel, R. M., Ludvigson, G. A., Witze, B. J., Kvale, E. P., Phillips, P.L., Brenner, R. L., Thomas, S. G. and Howard, L. M., 2005. Palaeogeography and fluvial to estuarine architecture of the Dakota Formation (Cretaceous, Albian), eastern Nebraska, USA in Blum, M., Marriott, S. B., and Leclair, S. (editors), Fluvial Sedimentology VII, Special Publication No. 35, Proceedings of theSeventh International Conference on Fluvial Sedimentology. Blackwell Oxford, p. 453-480.

White, T. S., Witzke, B. J., Ludvigson, G. A., Brenner, R. L., 2005, Distinguishing base-level change and climate signals in a Cretaceous alluvial sequence. Geology, v 33, no. 1, p. 13-16.

Ufnar, D. F., González, L. A., Ludvigson, G. A., Brenner, R. L., and Witzke, B. J., 2004. Evidence for increased latent heat transport during the Cretaceous (Albian) greenhouse warming. Geology, v 32, no.12, p. 1049-1052