Explain the dark signatures on either side of the river itself and what this tells you about recent events. This image is of an areas southeast of Basra, along the Persian Gulf near the Kuwait, Iraq and Iran borders. Explain the darker versus the lighter signatures. In the darker gray areas of the ocean surface, dark, sinuous lines appear. Sea Ice Applications.
Older ice appears brighter with more angular edges while newer ice appears dark.
The bright signature on the right-hand side of the image is a glacial melt river flowing from east to west. Explain possible reasons why this might have such a bright signature compared to the dark signatures which we have seen associated with rivers on previous images.