U.S. Geological Survey (no date) Geosciences and environmental change science center. Available at: https://www.usgs.gov/centers/geosciences-and-environmental-change-science-center (Accessed 28 June 2026)).

United States Environmental Protection Agency (no date) EPA geospatial applications. Available at: https://www.epa.gov/geospatial/epa-geospatial-applications (Accessed 28 June 2026)

​ Raup, B., Kääb, A., Kargel, J., Bishop, M., Hamilton, G., Lee, E., Paul, F., Rau, F., Soltesz, D., Khalsa, S., Beedle, M. and Helm, C. (2007) ‘Remote sensing and GIS technology in the Global Land Ice Measurements from Space (GLIMS) project’, Computers & Geosciences, 33(1), pp. 104–125. Available at: https://doi.org/10.1016/j.cageo.2006.05.015(Accessed 28 June 2026)​

 Câmara, G., Souza, R., Freitas, U. and Garrido, J. (1996) ‘Spring: Integrating remote sensing and GIS by object-oriented data modelling’, Computers & Graphics, 20(3), pp. 395–403. Available at: https://doi.org/10.1016/0097-8493(96)00008-8.(Accessed 28 June 2026)​