Sources & further reading
Australian Bureau of Meteorology (BOM, 2017): No Title. <http://www.bom.gov.au>.
Canadian Government (2015). Soil moisture mapping. <https://www.nrcan.gc.ca/maps-tools-and-publications/satellite-imagery-and-air-photos/satellite-imagery-products/educational-resources/tutorial-radar-polarimetry/soil-moisture-mapping/9569>.
Food and Agriculture Organization of the United Nations (FAO, ny). Chapter 2 – Soil and Water. <https://www.fao.org/3/r4082e/r4082e03.htm#2.3%20soil%20moisture%20conditions>
Food and Agriculture Organization of the United Nations (FAO, 2015). Soils store and filter water – Improving food security and our resilience to floods and droughts. <https://www.fao.org/resources/infographics/infographics-details/en/c/357132/?utm_content=buffere2466&utm_medium=social&utm_source=twitter.com&utm_campaign=buffer>.
National Oceanic and Atmospheric Administration (NOAA) (2020). National Integrated Drought Information System (NIDIS). New Soil Moisture Research Results. <https://www.drought.gov/news/new-soil-moisture-research-results>.
National Aeronautics and Space Administration (NASA, 1999). Soil Moisture. <https://weather.msfc.nasa.gov/landprocess/#:~:text=Soil%20moisture%20is%20a%20key,and%20the%20production%20of%20precipitation.>
Long, D. & F.T. Ulaby (2014). Microwave Radar And Radiometric Remote Sensing. Michigan Press.