We have shown that the flow velocity of Shirase Glacier can be estimated by applying the offset tracking method to the amplitude images derived from the phased array type L-band synthetic aperture radar type-2 (PALSAR-2) onboard the Advanced Land Observing Satellite-2. Although the offset tracking is widely used. the method is sometimes not applicable effectively and the reason is not... https://www.divivoyance.com/product-category/bong-protective-case/