Quantitative analysis of the chromaticity of Holocene aeolian sand–palaeosol sequences and its application to palaeoclimate reconstruction across the Asian summer monsoonal boundary of northern China - Bing Liu; Heling Jin; Jianhui Ge; Xiaolei Liang; Aimin Liang; Jianhui Jin; Caixia Zhang; Hui Zhao; Shuang Zhao (CATENA, 2025)