Arid lands provide data of immense value in unravelling paleoclimatic history, in assessing the effects of human activities on climate, and in predicting future regional and global changes. Ancient playa deposits in the hyper-arid core of the Sahel, loess and fossil soils, cave deposits, and desert varnish are all proving to be sources of new useful data in establishing paleoclimatic sequences. -Journal summaryDept Geosciences, Univ of Arizona, Tucson, AZ 85721, USA.
ASJC Scopus subject areas
- Earth and Planetary Sciences(all)