Hair Shaft Isotope Gradients to Geographic Movement History Hair Shaft Isotope Gradients to Geographic Movement History Input Result Enter Isotope Data (δ¹³C, δ¹⁵N, δ²H, δ¹⁸O per segment): Hair Growth Rate (cm/month): Sample Segment Length (cm): Analyze Isotope Profile Enter isotope segments and click Analyze. Download as PDF Previous Next