The following Index Terms are ESSI specific and represent a subset of the formal AGU indexing vocabulary. These terms are used in indexing AGU abstracts and publications.
Index Terms
| 1900 | Informatics |
| 1902 | Community Modeling Frameworks |
| 1904 | Community Standards |
| 1906 | Computational Models, Algorithms |
| 1908 | Cyberinfrastructure |
| 1910 | Data Assimilation, Integration, and Fusion |
| 1912 | Data Management, Preservation, Rescue |
| 1914 | Data Mining |
| 1916 | Data and Information Discovery |
| 1918 | Decision Analysis |
| 1920 | Emerging Informatics Technologies |
| 1922 | Forcasting |
| 1924 | Formal Logics and Grammers |
| 1926 | Geospatial |
| 1928 | GIS Science |
| 1930 | Data and Information Governance |
| 1932 | High-Performance Computing |
| 1934 | International Collaboration |
| 1936 | Interoperability |
| 1938 | Knowledge Representation and Knowledge Bases |
| 1940 | Machine-To-Machine Communication |
| 1942 | Machine Learning |
| 1944 | Markup Languages |
| 1946 | Metadata |
| 1948 | Metadata: Provenance |
| 1950 | Metadata: Quality |
| 1952 | Modeling |
| 1954 | Natural Language Processing |
| 1956 | Numerical Algorithms |
| 1958 | Ontologies |
| 1960 | Portals and User Interfaces |
| 1962 | Query Languages for science, markup languages, ontologies |
| 1964 | Real-time responsive information delivery |
| 1968 | Rules and Logic |
| 1970 | Science Reasoning/Inference |
| 1972 | Semantic Web and Semantic Integration |
| 1974 | Sensor Web |
| 1976 | Social Networks |
| 1978 | Software Tools and Services |
| 1980 | Software Re-use |
| 1982 | Spatial Analysis and representation |
| 1984 | Standards |
| 1986 | Statistical Methods: Descriptive |
| 1988 | Statistical Methods: Inferential |
| 1990 | Temperal Analysis and Representation |
| 1992 | Uncertainty |
| 1994 | Virtual Globes and Portrayal |
| 1996 | Web Services |
| 1998 | Workflow |
| 1999 | General/Miscellaneous |



