Precise surveying of Mount St. Helens crater with RTK-GPS technology.

Precise surveying of Mount St. Helens crater with RTK-GPS technolog...

Detailed Description

A survey base station is established using a RTK-GPS receiver with mobile units to collect data points in and around the crater. Information will be used to monitor surface changes, deformation, erosion and aggradation inside the crater. This type of technology is precise to the centimeter. View to the south, toward Crater Glacier and the lava domes.

Details

Image Dimensions: 4288 x 2848

Date Taken: