Earth & Ocean Sciences (UNH-Durham)

The National Technical Information Service (NTIS) acquires, indexes, abstracts, and archives the largest collection of U.S. government-sponsored technical reports in existence. The NTRL offers access to these authenticated government technical reports.

Gateway to information resources at government science agencies including science web sites and databases of technical reports, journal articles, conference proceedings, and other published materials.

Provides unrestricted access to digitized U.S. federal technical reports, primarily prior to 1976 but also later.

Provides access to ongoing and completed science activities and scientific and technical products, conducted by EPA and by universities and other research institutions through EPA-funded assistance agreements.
For a broader search on EPA documents, please see the National Service Center for Environmental Publications (NSCEP).

Provides access to NASA metadata records, full-text online documents, images, and videos.

The U.S. Department of Energy Office of Scientific and Technical Information's primary search tool for DOE science, technology, and engineering research and development results and the organizational hub for information about the DOE Office of Scientific and Technical Information. It consolidates OSTIs home page and our now retired primary search tool SciTech Connect. Dates of coverage: 1940s-current

Transportation research database, covering the research literature on all transport modes, with aspects including planning, finance, design/construction, materials, environmental issues, safety, human factors, operations. Not included: vehicle standards/specs, patents, military transport. TRID is the merger of the former TRIS database from TRB plus the International Transport Research Documentation (ITRD) Database (from OECD partner countries).

Provides specialized, editorially-curated A&I resources for discovery of relevant scholarly research and technical literature critical for scientists researching the world's living aquatic resources. Marine, freshwater and brackish water regions and environments are examined, including biology and ecology of aquatic organisms and legal, policy, and socioeconomic issues. Dates of coverage: 1971-current

Indexes journals, conferences, and reports, with comprehensive coverage of engineering literature. Offers personalized options, including saved queries and biweekly e-mail alerts.

Provides access to the geoscience literature of the world. Contains references to geoscience journal articles, books, maps, theses and dissertations, conference papers, and reports, including all publications of the US Geological Survey. Dates of coverage: 1693-current