| Groundwater and Isotope Geochemistry | Lifetime | 4 | CN 1 | 99.79 |
| Groundwater flow and contamination studies | Lifetime | 5 | CN 1 | 99.88 |
| Reservoir Engineering and Simulation Methods | Lifetime | 63 | CN 6 | 99.35 |
| Hydrology and Watershed Management Studies | Lifetime | 142 | CN 20 | 99.50 |
| Hydraulic Fracturing and Reservoir Analysis | Lifetime | 169 | CN 33 | 99.19 |
| Geophysical and Geoelectrical Methods | Lifetime | 123 | CN 5 | 98.35 |
| Water resources management and optimization | Lifetime | 143 | CN 19 | 98.52 |
| Soil and Unsaturated Flow | Lifetime | 277 | CN 30 | 98.27 |
| Water Systems and Optimization | Lifetime | 337 | CN 62 | 95.92 |
| Water-Energy-Food Nexus Studies | Lifetime | 495 | CN 83 | 93.94 |
| CO2 Sequestration and Geologic Interactions | Lifetime | 697 | CN 110 | 93.93 |
| Hydrological Forecasting Using AI | Lifetime | 566 | CN 97 | 92.91 |
| Environmental Monitoring and Data Management | Lifetime | 92 | CN 8 | 89.63 |
| Groundwater and Watershed Analysis | Lifetime | 811 | CN 43 | 89.48 |
| Water Resources and Sustainability | Lifetime | 124 | CN 95 | 86.51 |
| Per- and polyfluoroalkyl substances research | Lifetime | 870 | CN 217 | 86.99 |
| Groundwater flow and contamination studies | 2021-2025 | 14 | CN 11 | 98.74 |
| Hydrology and Watershed Management Studies | 2021-2025 | 93 | CN 42 | 98.96 |
| Cryospheric studies and observations | 2021-2025 | 123 | CN 64 | 97.83 |
| Groundwater and Isotope Geochemistry | 2021-2025 | 64 | CN 32 | 97.60 |
| Climate change and permafrost | 2021-2025 | 215 | CN 112 | 95.28 |
| Marine Biogeochemistry and Ocean Ecosystems | 2021-2025 | 434 | CN 201 | 94.13 |
| Pharmaceutical and Antibiotic Environmental Impacts | 2021-2025 | 474 | CN 278 | 93.64 |
| Per- and polyfluoroalkyl substances research | 2021-2025 | 160 | CN 51 | 92.82 |
| Geophysics and Gravity Measurements | 2021-2025 | 448 | CN 183 | 87.35 |
| Toxic Organic Pollutants Impact | 2021-2025 | 510 | CN 246 | 90.61 |
| Soil erosion and sediment transport | 2021-2025 | 540 | CN 262 | 89.25 |
| Coastal wetland ecosystem dynamics | 2021-2025 | 999 | CN 341 | 83.89 |
| Arctic and Antarctic ice dynamics | 2021-2025 | 963 | CN 252 | 83.45 |
| Aquatic Ecosystems and Phytoplankton Dynamics | 2021-2025 | 815 | CN 388 | 82.21 |
| Hydrological Forecasting Using AI | 2021-2025 | 528 | CN 121 | 81.60 |
| Water Quality and Pollution Assessment | 2021-2025 | 931 | CN 260 | 75.34 |
| Karst Systems and Hydrogeology | 2021-2025 | 780 | CN 292 | 45.06 |