Open access journals
Advances in Climate Change Research
Bulletin of Glaciological Research
Environmental Research Letters
European Journal of Remote Sensing
Frontiers in Geosciences - Cryosphere
Geomatics, Natural Hazards and Risk
Geoscientific Instrumentation, Methods and Data Systems
International Journal of Advances in Remote Sensing and GIS
International Journal of Geomatics and Geosciences
Journal of Terrestrial Observation
Geoscientific Model Development
Hydrology and Earth System Sciences
ISPRS International Journal of Geo-Information
Journal of Advances in Modeling Earth Systems
Journal of Geography and Geology
Nordic Journal of Surveying and Real Estate Research
Natural Hazards and Earth System Sciences
The Photogrammetric Journal of Finland
Furthermore, here is a website listing predatory scholarly open-access publishers.