Results 111 to 120 of about 4,306 (212)

On Simulating the Impacts of Open Water Bodies on the SMAP Passive Soil Moisture Data Product [PDF]

The Soil Moisture Active and Passive (SMAP) mission is a NASA earth science mission aiming at improving our understanding of the dynamics of the cycles of energy, water, and carbon at global scales.
Chan, Steven, Jackson, Tom, Njoku, Eni, O'Neill, Peggy, Shi, Jiancheng   +4 more
core   +1 more source

Correction of SMAP (Soil Moisture Active Passive) Satellite Retrieved Soil Moisture Data using Machine Learning Techniques over North West Region of Bangladesh

, 2021
Hamidul Haque, Nasreen Jahan
openalex   +1 more source

A Data-Driven Approach for Daily Real-Time Estimates and Forecasts of Near-Surface Soil Moisture [PDF]

NASAs Soil Moisture Active Passive (SMAP) mission provides global surface soil moisture retrievals with a revisit time of 2-3 days and a latency of 24 hours.
Koster, Randal D., Mahanama, Sarith P. P., Reichle, Rolf H.   +2 more
core   +1 more source

Soil Moisture Data Assimilation in the NASA Land Information System for Local Modeling Applications and Improved Situational Awareness [PDF]

As part of the NASA Soil Moisture Active Passive (SMAP) Early Adopter (EA) program, the NASA Shortterm Prediction Research and Transition (SPoRT) Center has implemented a data assimilation (DA) routine into the NASA Land Information System (LIS) for soil
Blakenship, Clay B., Case, Jonathan L., Zavodsky, Bradley T.   +2 more
core   +1 more source

Soil Moisture Active Passive (SMAP) Mission Level 4 Carbon (L4_C) Product Specification Document [PDF]

This is the Product Specification Document (PSD) for Level 4 Surface and Root Zone Soil Moisture (L4_SM) data for the Science Data System (SDS) of the Soil Moisture Active Passive (SMAP) project.
Ardizzone, Joseph V., Glassy, Joe, Jones, Lucas, Kim, Gi-Kong, Kimball, John S., Lucchesi, Robert A., Reichle, Rolf H., Smith, Edmond B., Weiss, Barry H.   +8 more
core   +1 more source

Comparing Temporal Dynamics of Soil Moisture from Remote Sensing, Modeling, and Field Observations Across Europe

Remote Sensing
This study evaluates temporal variability and algorithm differences in soil moisture estimates over Europe using the European Center for Medium-range Weather Forecasts (ECMWF) operational analysis and the passive Soil Moisture Active Passive (SMAP) soil ...
Lisa Jach, Anke Fluhrer, Hans-Stefan Bauer, David Chaparro, Florian M. Hellwig, Gerard Portal, Thomas Jagdhuber   +6 more
doaj   +1 more source

SMAP Data Assimilation at the GMAO [PDF]

The NASA Soil Moisture Active Passive (SMAP) mission has been providing L-band (1.4 GHz) passive microwave brightness temperature (Tb) observations since April 2015. These observations are sensitive to surface(0-5 cm) soil moisture.
Ardizzone, J., De Lannoy, G., Liu, Q., Reichle, R.   +3 more
core   +1 more source

Multi-temporal catchment and wetland scale soil moisture and vegetation analysis in Shashe, Tugwi and Zibagwe sub-catchments of Zimbabwe

Geocarto International
We utilized Sentinel-1 Synthetic Aperture Radar (SAR) surface soil moisture, Sentinel-2 L1C-derived Enhanced Vegetation Index (EVI), and Soil Moisture Active Passive (SMAP) surface and root zone soil moisture data to assess soil moisture dynamics and ...
Oshneck Mupepi, Thomas Marambanyika, Mark Makomborero Matsa, Timothy Dube   +3 more
doaj   +1 more source

Utilization of Ancillary Data Sets for SMAP Algorithm Development and Product Generation [PDF]

Algorithms being developed for the Soil Moisture Active Passive (SMAP) mission require a variety of both static and ancillary data. The selection of the most appropriate source for each ancillary data parameter is driven by a number of considerations ...
Njoku, E., ONeill, P., Podest, E.
core   +1 more source

Assessment of Soil Moisture Data Requirements by the Potential SMAP Data User Community: Review of SMAP Mission User Community [PDF]

NASA's Soil Moisture Active and Passive (SMAP) mission is planned for launch in October 2014 and will provide global measurements of soil moisture and freeze thaw state.
Brown, Molly E., Escobar, Vanessa M.
core   +1 more source