1 Subjects: “...rare-earth elements...”

2 Subjects: “...GOCE High-Level Processing Facility (HPF), earth gravity field...”

3 Subjects: “...Earth Science communication...”

4 Subjects: “...earth building...”

5 Subjects: “...Earth sciences, geography, environment, planning / bicssc...”

6 Subjects: “...earth observation...”

7 Subjects: “...earth fault location...”

8 Subjects: “...Google Earth Engine...”

9 Subjects: “...Earth sciences, geography, environment, planning / bicssc...”

10 Subjects: “...Low Earth orbit (LEO)...”

11 Subjects: “...earth-to-air...”

12 Subjects: “...rare-earth elements...”

13 Subjects: “...earthing system...”

14 Subjects: “...Earth sciences, geography, environment, planning / bicssc...”

15 Subjects: “...rare Earth metal oxides...”

16 Subjects: “...rural human–earth system science...”

17 Subjects: “...Google Earth Engine...”

18 Subjects: “...Google Earth Engine...”

19 Subjects: “...Google Earth Engine...”

20 Subjects: “...earthing systems...”