Foursquare data downloaded from https://sites.google.com/site/yangdingqi/home/foursquare-dataset This dataset includes long-term (about 22 months from Apr. 2012 to Jan. 2014) global-scale check-in dat
Using topsoil samples of ETP loess and north-western China, we systematically investigated the spatial variability in geochemical composition, and discussed the characteristics of the ETP loess elemen
