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The L-band (1 – 2 GHz) microwave remote sensing has been widely acknowledged as the most promising method to monitor regional to global soil moisture. Consequently, the Soil Moisture Active Passive (SMAP) satellite applied this technique to provide global soil moisture every 2 to 3 days. To verify the performance of SMAP, the fourth and fifth campaign of SMAP Experiments (SMAPEx-4 & -5) were carried...
Soil moisture is a critical factor in cosmopolitan meteorological and hydrological processes. Microwave remote sensing brightness temperature is sensitive to soil moisture through the effects of moisture on the dielectric constant and hence emissivity of the soil [1]. It was found that the brightness temperature at L-band is useful for retrieving near-surface soil moisture [2–3]. The Soil Moisture...
Lake ice is an important component of the hydrosphere and cryosphere, especially over high-lat itudes regions of High Mountain Asia (HMA), the long-term changes of freezing and thawing time can directly reflect the changes of climate. Remote sensing technology provides unreplaceable complement for HMA where the lake ice phenology is almost no monitoring, except that of Qinghai Lake. Considering the...
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