Jane Whitcomb, Daniel Clewley, Ruzbeh Akbar, Agnelo R. Silva, Aaron A. Berg, Justin R. Adams, Mahta Moghaddam. Method for upscaling in-situ soil moisture measurements for calibration and validation of smap soil moisture products. In 2016 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2016, Beijing, China, July 10-15, 2016. pages 1641-1644, IEEE, 2016. [doi]