First Assessment of CyGNSS-Incorporated SMAP Sea Surface Salinity Retrieval Over Pan-Tropical Ocean

• Published in: IEEE journal of selected topics in applied earth observations and remote sensing Vol. 14; pp. 12163 - 12173
• Main Authors: Liu, Baojian, Wan, Wei, Guo, Zhizhou, Ji, Rui, Wang, Tsechun, Tang, Guoqiang, Cui, Yaokui, Hong, Yang
• Format: Journal Article
• Language: English
• Published: Piscataway IEEE 2021; The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
• Subjects: Accuracy; Algorithms; Buoys; Cyclone global navigation satellite system (CyGNSS); Emissivity; Empirical analysis; Feasibility studies; Geophysics; Global navigation satellite system; GNSS-reflectometry; Mathematical models; microwave radiometry; Navigation; Navigational satellites; ocean salinity; Ocean temperature; ocean wind; Oceans; Parameters; Radiometers; Radiometry; Retrieval; Salinity; Salinity (geophysical); Salinity effects; Scatterometers; Sea measurements; Sea surface; Sea surface temperature; Significant wave height; Soil moisture; soil moisture active and passive (SMAP); Statistical analysis; Statistical methods; Surface salinity; Temperature measurement; Tropical climate; Wave height; Wind; Wind effects; Wind speed

In sea surface salinity (SSS) retrieval using L-band passive radiometry, radiometer-independent ocean wind speed is needed as auxiliary data. Wind speed data from scatterometer and weather models are commonly used as auxiliary data in satellite SSS missions. This article's overarching goal is t...