| Investigation Code (Click to view group members) | Principal Investigators | Area of Investigation |
| CD-01 | Denning / Dias (abstract) | - Amazon Basin |
| CD-06 | Richey / Ballester (abstract) | - Amazon Basin |
| CD-07 | Smith / Cooper / Dias (abstract) | - Amazon Basin |
| CD-09 | Rastetter / Shimabukuro (abstract) | - Amazon Basin |
| CD-11 | Houghton / Alencar (abstract) | - Amazon Basin |
| LC-03 | Dobson / Soares (abstract) | - Amazon Basin |
| LC-04 | Foley / Costa (abstract) | - Amazon Basin |
| LC-06 | Huete / Shimabukuro (abstract) | - Amazon Basin |
| LC-07 | Melack / Novo (abstract) | - Amazon Basin |
| LC-08 | Moore / Nobre (abstract) | - Amazon Basin |
| LC-10 | Skole / Pedlowski (abstract) | - Amazon Basin |
| LC-11 | Chapman / Dutra (abstract) | - Amazon Basin |
| ND-06 | Gholz / Oliveira (abstract) | - Amazon Basin |
| TG-01 | Chatfield / Silva Dias (abstract) | - Amazon Basin |
| TG-02 | Guenther / Gatti (abstract) | - Amazon Basin |
| TG-05 | Potter / Carvalho (abstract) | - Amazon Basin |
| TG-08 | Melillo / Cerri (abstract) | - Amazon Basin |
