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. Author manuscript; available in PMC: 2019 Aug 1.

Published in final edited form as: Remote Sens Environ. 2018 May 11;213:1–17. doi: 10.1016/j.rse.2018.04.054

Fig.2. — Comparison of global fractional water products derived from: (a) SMAP L-band retrievals (fw_LBand), (b) AMSR2 K-band retrievals (fw_KBand), and (c) MOD44W surface water map. The SMAP fw_LBand and AMSR2 fw_KBand results represent June 2015 to May 2016 time averages, while the SMAP fw_LBand seasonal variation (SD) is also shown (d). The SMAP fw_LBand data are in a 36 km global EASE-Grid (v2) format, while the fw_KBand and MOD44W products were spatially aggregated from their respective 25-km and 250-m native resolutions to the same 36 km EASE (v2) grid as the fw_LBand results.