Science Advances

This PDF file includes:

• Supplementary Text
  
• fig. S1. Wind angle θ versus shear stress τ over individual 30-min intervals at the three field sites.
  
• fig. S2. Stability parameter z/L versus shear stress τ over individual 30-min intervals at the three field sites.
  
• fig. S3. Typical 30-min vertical profile of saltation flux.
  
• fig. S4. Thirty-minute values of saltation layer height z_q versus shear velocity u* at the three field sites.
  
• fig. S5. Thirty-minute values of saltation mass flux Q versus wind shear stress τ at the three field sites.
  
• fig. S6. SD of saltation flux values within individual stress bins i, SD_Qi, versus bin-averaged saltation fluxes, Q_i.
  
• Legends for data files S1 and S2
  
• References (87–92)

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Other Supplementary Material for this manuscript includes the following:

• data file S1(Microsoft Excel format). Excel spreadsheet (.xlsx) containing unbinned 30-min values for shear velocity u*, shear stress τ, wind direction θ, stability parameter z/L, saltation layer height z_q, total saltation flux Q, saltation detection frequency f_Q, and associated uncertainties for all of these values (except θ, z/L, and f_Q) for each field site.
  
• data file S2 (Microsoft Excel format). Excel spreadsheet (.xlsx) containing binned 30-min values for shear velocity u*, shear stress τ, excess shear stress τ_ex, saltation layer height z_q, total saltation flux Q, normalized saltation flux ˆQ , saltation
  detection frequency f_Q, and associated uncertainties for all of these values.