Tracy Rowlandson
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View article: Sensitivity of C-Band SAR Polarimetric Variables to the Directionality of Surface Roughness Parameters
Sensitivity of C-Band SAR Polarimetric Variables to the Directionality of Surface Roughness Parameters Open
Surface roughness is an important factor in many soil moisture retrieval models. Therefore, any mischaracterization of surface roughness parameters (root mean square height, RMSH, and correlation length, ʅ) may result in unreliable predict…
View article: Comparing the Assimilation of SMOS Brightness Temperatures and Soil Moisture Products on Hydrological Simulation in the Canadian Land Surface Scheme
Comparing the Assimilation of SMOS Brightness Temperatures and Soil Moisture Products on Hydrological Simulation in the Canadian Land Surface Scheme Open
Soil moisture is a key variable used to describe water and energy exchanges at the land surface/atmosphere interface. Therefore, there is widespread interest in the use of soil moisture retrievals from passive microwave satellites. In the …
View article: L-Band response to freeze/thaw in a boreal forest stand from ground- and tower-based radiometer observations
L-Band response to freeze/thaw in a boreal forest stand from ground- and tower-based radiometer observations Open
The extent, timing and duration of seasonal freeze/thaw (FT) state exerts dominant control on boreal forest carbon, water and energy cycle processes. Recent and on-going L-Band (≈1.4 GHz) spaceborne missions have the potential to provide e…
View article: An 11-year (2007–2017) soil moisture and precipitation dataset from the Kenaston Network in the Brightwater Creek basin, Saskatchewan, Canada
An 11-year (2007–2017) soil moisture and precipitation dataset from the Kenaston Network in the Brightwater Creek basin, Saskatchewan, Canada Open
Soil moisture and precipitation have been monitored in a hydrometeorological network situated within the Brightwater Creek basin, east of Kenaston, Saskatchewan, Canada, since 2007. The majority of the prairie landscape is annually cropped…
View article: An 11-yr (2007–2017) soil moisture and precipitation dataset from the Kenaston Network in the Brightwater Creek basin, Saskatchewan, Canada
An 11-yr (2007–2017) soil moisture and precipitation dataset from the Kenaston Network in the Brightwater Creek basin, Saskatchewan, Canada Open
Soil moisture and precipitation have been monitored in a hydrometeorological network situated within the Brightwater Creek basin, east of Kenaston, Saskatchewan, since 2007. The majority of the prairie landscape is annually cropped with so…
View article: A soil moisture and precipitation dataset from the Kenaston/Brightwater Creek basin, Saskatchewan, Canada, 2007 - 2017
A soil moisture and precipitation dataset from the Kenaston/Brightwater Creek basin, Saskatchewan, Canada, 2007 - 2017 Open
The Kenaston Network, located in the Brightwater Creek basin in central Saskatchewan, is a community monitoring network with a variety of monitoring instruments. The area is a typical agricultural region with both annually cropped fields a…
View article: Modelling the L-Band Snow-Covered Surface Emission in a Winter Canadian Prairie Environment
Modelling the L-Band Snow-Covered Surface Emission in a Winter Canadian Prairie Environment Open
Detailed angular ground-based L-band brightness temperature (TB) measurements over snow covered frozen soil in a prairie environment were used to parameterize and evaluate an electromagnetic model, the Wave Approach for LOw-frequency MIcro…
View article: Analysis of Soil Freeze/Thaw Signatures During Slapex F/T Campaign
Analysis of Soil Freeze/Thaw Signatures During Slapex F/T Campaign Open
Permanently frozen and seasonally frozen soils occur over a large portion of the Earth's land surface. Changes in the freeze/thaw state of the land surface reflects major changes in thermal and hydraulic properties as well as acting as a "…
View article: Assessing SMAP Soil Moisture Scaling and Retrieval in the Carman (Canada) Study Site
Assessing SMAP Soil Moisture Scaling and Retrieval in the Carman (Canada) Study Site Open
Core Ideas Upscaling methods compared in situ measures with soil moisture from the SMAP satellite. The accuracy of SMAP soil moisture products in annual cropland was assessed. The spatial representativeness of sparse in situ networks was d…
View article: GCOM-W AMSR2 Soil Moisture Product Validation Using Core Validation Sites
GCOM-W AMSR2 Soil Moisture Product Validation Using Core Validation Sites Open
The Advanced Microwave Scanning Radiometer 2 (AMSR2) is part of the Global Change Observation Mission-Water (GCOM-W). AMSR2 has filled the gap in passive microwave observations left by the loss of the Advanced Microwave Scanning Radiometer…
View article: Spatial Variability of L-Band Brightness Temperature during Freeze/Thaw Events over a Prairie Environment
Spatial Variability of L-Band Brightness Temperature during Freeze/Thaw Events over a Prairie Environment Open
Passive microwave measurements from space are known to be sensitive to the freeze/thaw (F/T) state of the land surface. These measurements are at a coarse spatial resolution (~15–50 km) and the spatial variability of the microwave emission…
View article: Assessment of the SMAP Level-4 Surface and Root-Zone Soil Moisture Product Using In Situ Measurements
Assessment of the SMAP Level-4 Surface and Root-Zone Soil Moisture Product Using In Situ Measurements Open
The Soil Moisture Active Passive (SMAP) mission Level-4 Surface and Root-Zone Soil Moisture (L4_SM) data product is generated by assimilating SMAP L-band brightness temperature observations into the NASA Catchment land surface model. The L…
View article: Development and validation of the SMAP enhanced passive soil moisture product
Development and validation of the SMAP enhanced passive soil moisture product Open
Since the beginning of its routine science operation in March 2015, the NASA SMAP observatory has been returning interference-mitigated brightness temperature observations at L-band (1.41 GHz) frequency from space. The resulting data enabl…
View article: Validation of the Soil Moisture Active Passive (SMAP) satellite soil moisture retrieval in an Arctic tundra environment
Validation of the Soil Moisture Active Passive (SMAP) satellite soil moisture retrieval in an Arctic tundra environment Open
This study examines the Soil Moisture Active Passive soil moisture product on the Equal Area Scalable Earth‐2 (EASE‐2) 36 km Global cylindrical and North Polar azimuthal grids relative to two in situ soil moisture monitoring networks that …
View article: Validation of SMAP surface soil moisture products with core validation sites
Validation of SMAP surface soil moisture products with core validation sites Open
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 performance. Those sites provide well-calibrated in situ soil mo…
View article: Evaluation of the validated Soil Moisture product from the SMAP radiometer
Evaluation of the validated Soil Moisture product from the SMAP radiometer Open
NASA's Soil Moisture Active Passive (SMAP) mission launched on January 31, 2015 into a sun-synchronous 6 am/6 pm orbit with an objective to produce global mapping of high-resolution soil moisture and freeze-thaw state every 2-3 days using …
View article: Assessment of the SMAP Passive Soil Moisture Product
Assessment of the SMAP Passive Soil Moisture Product Open
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