Supplement to: A global rate of denudation from cosmogenic nuclides in Earth’...

Sampling large river´s sediment at outlets for cosmogenic nuclide analysis yields mean denudation rates of the sediment producing areas that average local variations in...在大型河流河口处采集沉积物以开展宇宙成因核素（cosmogenic nuclide）分析，可获取产沙区的平均剥蚀速率，该速率可平均化局地的变异