Radial location of the snow line (top panel) and sublimation width of drifting pebbles Δx_subl (bottom panel) as a function of α_Dr∕α_acc. Here, f_d/p = 0 (i.e., pure icy pebbles). Circles (α_acc = 10⁻²) and squares (α_acc = 10⁻³) represent the results of 1D simulations. Blue, black and red colors indicate those for F_p/g = 0.03, 0.1 and 0.3, respectively. Analytically derived locations of the snow lines (solving Eq. (44)) are shown bythe gray lines (top panel). The light-blue line in the bottom panel shows the analytical Δx_subl in the case of the advection-dominated regime (Eq. (54) with r_snow = 2.4 au and β = 0.5). The light-green line in the bottom panel shows the analytical Δx_subl in the case of the diffusion-dominated regime (Eq. (68) with τ_s,p = 0.06, r_p = 2.3 cm, r_snow = 2.4 au). The gray dashed line in the bottom panel shows the analytically derived boundary betweenthe advection- and diffusion-dominated regimes (Eq. (73) with r = 2.4 au and β = 0.5). A fitting function is shown by a black line (Eq. (74)).