Geography of senior one

According to the direction of sand dune formation, the prevailing wind can be judged, and the bending direction of sand dune should be the perennial wind in this area.

It has been judged on the topic that the sunrise is in the northeast direction and the direct sunlight should be in the northern hemisphere, so it is not necessary to consider the winter half year.

The sunrise direction is north: it can be judged by the direct movement of the sun. The title says beginning of autumn, and the direct sun has moved south again. During the Qingming Festival, in April, the sun moves straight.

This is a sketch of the direct movement of the sun.