Results 1 to 10 of about 5,325,765 (204)
Application of Soil Moisture Active Passive (SMAP) Satellite Data in Seismic Response Assessment [PDF]
The proven relationship between soil moisture and seismic ground response highlights the need for a tool to track the Earth’s surface soil moisture before and after seismic events.
Ali Farahani +3 more
doaj +6 more sources
The Soil Moisture Active Passive (SMAP) Mission [PDF]
The Soil Moisture Active Passive (SMAP) mission is one of the first Earth observation satellites being developed by NASA in response to the National Research Council's Decadal Survey. SMAP will make global measurements of the soil moisture present at the Earth's land surface and will distinguish frozen from thawed land surfaces.
Mahta Moghaddam +2 more
exaly +6 more sources
Soil Moisture Active Passive (SMAP) Satellite Data and Unsaturated Soil Response [PDF]
The importance of degree of soil saturation in geotechnical problems resulted in inclusion of unsaturated soil mechanics in various applications for several decades.
Farahani Ali +2 more
doaj +3 more sources
Global Evaluation of SMAP/Sentinel-1 Soil Moisture Products [PDF]
SMAP/Sentinel-1 soil moisture is the latest SMAP (Soil Moisture Active Passive) product derived from synergistic utilization of the radiometry observations of SMAP and radar backscattering data of Sentinel-1.
Farzane Mohseni +4 more
doaj +4 more sources
The NASA Soil Moisture Active Passive (SMAP) mission: Overview [PDF]
The Soil Moisture Active Passive (SMAP) mission is one of the first Earth observation satellites being developed by NASA in response to the National Research Council's Decadal Survey [1]. Its mission design consists of L-band radiometer and radar instruments sharing a rotating 6-m mesh reflector antenna to provide high-resolution and high-accuracy ...
Peggy O'Neill +3 more
openaire +5 more sources
Integration of Sentinel-1A Radar and SMAP Radiometer for Soil Moisture Retrieval over Vegetated Areas [PDF]
NASA’s Soil Moisture Active Passive (SMAP) was originally designed to combine high-resolution active (radar) and coarse-resolution but highly sensitive passive (radiometer) L-band observations to achieve unprecedented spatial resolution and accuracy for ...
Saeed Arab, Greg Easson, Zahra Ghaffari
doaj +2 more sources
National Aeronautics and Space Administration's soil moisture active–passive (SMAP) mission potential to produce high-resolution soil moisture suffered adversely due to its L-band synthetic-aperture radar (SAR) failure.
Gurjeet Singh +5 more
doaj +1 more source
HIGH-RESOLUTION ENHANCED PRODUCT BASED ON SMAP ACTIVE-PASSIVE APPROACH USING SENTINEL 1A AND 1B SAR DATA [PDF]
SMAP project released a new enhanced high-resolution (3km) soil moisture active-passive product. This product is obtained by combining the SMAP radiometer data and the Sentinel-1A and -1B Synthetic Aperture Radar (SAR) data.
N. N. Das +9 more
doaj +1 more source
Validation of SMOS, SMAP, and ESA CCI Soil Moisture Over a Humid Region
With recent advances in satellite microwave soil moisture estimation, there is a demand for up-to-date validation of satellite soil moisture products. This article presents a sparse network validation over a humid region within the Laurentian Great Lakes
Xiaoyong Xu, Steven Frey
doaj +1 more source
The NASA Soil Moisture Active Passive (SMAP) mission formulation [PDF]
The Soil Moisture Active Passive (SMAP) mission is one of the first-tier projects recommended by the U.S. National Research Council Committee on Earth Science and Applications from Space. The SMAP mission is in formulation phase and it is scheduled for launch in 2014.
Dara Entekhabi +4 more
openaire +2 more sources

