Soil moisture (SM) is a key hydrologic state variable that is of significant importance for
numerous Earth and environmental science applications that directly impact the global …

Soil moisture observations are of broad scientific interest and practical value for a wide
range of applications. The scientific community has made significant progress in estimating …

Abstract The NASA Soil Moisture Active Passive (SMAP) mission has utilized a set of core
validation sites as the primary methodology in assessing the soil moisture retrieval algorithm …

Soil moisture is a key environmental variable, important to, eg, farmers, meteorologists, and
disaster management units. Here, we present a method to retrieve surface soil moisture …

Comprehensive assessments on the reliability of remotely sensed soil moisture products are
undeniably essential for their advancement and application. With the establishment of …

Abstract Launched in January 2015, the National Aeronautics and Space Administration
(NASA) Soil Moisture Active Passive (SMAP) observatory was designed to provide frequent …

Abstract Soil Moisture Active Passive (SMAP) mission of NASA was launched in January
2015. Currently, SMAP has an L-band radiometer and a defunct L-band radar with a rotating …

Two passive microwave missions are currently operating at L-band to monitor surface soil
moisture (SM) over continental surfaces. The SMOS sensor, based on an innovative …

The National Aeronautics and Space Administration Soil Moisture Active Passive (SMAP)
mission has been validating its soil moisture (SM) products since the start of data production …

Surface soil moisture has a direct impact on food security, human health and ecosystem
function. It also plays a key role in the climate system, and the development and persistence …