Topic 1: Earth Science
Marine science
Atmospheric science
Solid state geophysics
Space physics
Geochemistry
Geodesy, etc
Topic 2: Geography and Geology
Geography
Geology
Geomechanical
Sedimentology
Mineral deposit studies, etc
Topic 3: Remote Sensing Technology
Hyperspectral image processing
Optical remote sensing
Microwave Remote Sensing
Remote sensing of atmospheric environment
Remote Sensing Information Engineering
Image processing techniques 
Remote sensing data fusion
Remote sensing data quality
Remote sensing mode analysis
Remote sensing and acoustic survey, etc
Topic 4: Measurement and Mapping
Surveying and Mapping
Hydrographic surveying and charting
Photogrammetry
Geodetic survey
Hydrographic survey
Mining surveying
Engineering survey
Gravity measurement
Photogrammetry
Mapping
Smart Ocean and Digital Earth
Surveying and mapping technique
Research and development of surveying instruments, etc
Topic 5: Resource Exploration and Exploration
Water resource
Land resource
Mineral resources
Oil and gas resources
Resource exploration and prospecting
Measurement Engineering
Remote sensing
GIS/GPS, etc