An empirical case study of contrasting chemical depletion of hillslope regolith and eroding sediment, and implications for soil-derived catchment weathering rates

An empirical case study of contrasting chemical depletion of hillslope regolith and eroding sediment, and implications for soilderived catchment weathering rates A. JOSHUA WEST*, HSUEH-CHING WANG, KANDASAMY SELVARAJ, CHEN-TUNG ARTHUR CHEN AND TENG-CHIU LIN Department of Earth Sciences, University of Oxford, Parks Road, Oxford OX1 3PG, United Kingdom (*correspondence: joshwest@cantab.net) Department of Geography, National Changhua University of Education, Changhua City, Taiwan R.O.C. Institute of Marine Geology and Chemistry, National Sun Yat-Sen University, Kaohsiung 804, Taiwan R.O.C. Department of Geography, National Taiwan Normal University, Taipei, Taiwan R.O.C.