Two rivers from Taiwan with different source inputs, the Danshuei (polluted) and Liwu (non-polluted), were selected to study behavior of molybdenum (Mo) isotopes during weathering riverine transport. In River, δ98/95Mo ranges 0.83‰ 1.50‰ (wet season) 0.54‰ 1.25‰ (dry season). With a few exceptions, in River is lighter wet season, while, contrast, heavier dry season. varies 1.30‰ gets along main...