Figure 5
From: UV index-based model for predicting synthesis of (pre-)vitamin D3 in the mediterranean basin

Solar elevation angle (deg) (a) Antalya-January (b) Antalya-June (c) Istanbul-January (d) Istanbul-June.
From: UV index-based model for predicting synthesis of (pre-)vitamin D3 in the mediterranean basin

Solar elevation angle (deg) (a) Antalya-January (b) Antalya-June (c) Istanbul-January (d) Istanbul-June.