Tracking the Multiple Sources of Sediment within Agricultural Catchments in Northeast China
Description
This dataset comprises particle size and 31 geochemical elements (Mo, Cu, Pb, Zn, Ag, Ni, Co, Mn, Fe, As, U, Th, Sr, Sb, Bi, V, Ca, P, La, Cr, Ba, Mg, Ti, Al, Na, K, Sc, Tl, Hg, and Ga) from source and target sediment samples within the Yingmincun catchment in the Mollisol region of Northeast China. The source samples include 57 topsoil samples (48 from cultivated land and 9 from unsealed roads) and 41 subsoil samples (26 from ephemeral gullies and 15 from gully banks). The target sediment samples, collected during the rainy seasons from 2018 to 2020, consist of 63 suspended sediment samples and 10 deposited sediment samples. The samples were ground and sieved through a 2 mm mesh. The particle size was determined by using a Mastersizer 2000 analyser (Malvern Instruments, Malvern, UK). The classification of grain size followed the United States Department of Agriculture (USDA) scale standard (USDA, 1951). After grinding and sieving all samples to < 63 μm, a total 31 geochemical elements (Mo, Cu, Pb, Zn, Ag, Ni, Co, Mn, Fe, As, U, Th, Sr, Sb, Bi, V, Ca, P, La, Cr, Ba, Mg, Ti, Al, Na, K, Sc, Tl, Hg and Ga) were measured by using inductively coupled plasma mass spectrometry (ICP‒MS) (NexION, 300X, Perkin Elmer Inc., Waltham, MA) at the Shaanxi Provence Land Engineering Construction Group Laboratory, China.