- wiley-blackwell24
- wiley11
- copernicus gesellschaft mbh6
- elsevier b.v.5
- gfz german res ctr geosci, potsdam, germany.5
- stockholm univ, dept phys geog, stockholm, sweden.5
- univ montreal, dept geog, montreal, pq, canada.5
- uppsala universitet, limnologi5
- american chemical society4