Mahta Moghaddam
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View article: Assessing spatial heterogeneity of active layer thickness over Arctic-foothills tundra through intensive field sampling and multi-source remote sensing
Assessing spatial heterogeneity of active layer thickness over Arctic-foothills tundra through intensive field sampling and multi-source remote sensing Open
Active layer thickness (ALT) is an essential climate variable for monitoring permafrost degradation, whose deepening can lead to increased greenhouse gas emissions, altered hydrology and ecology, infrastructure damage, and a positive clima…
View article: Towards resolution enhancement of P-band brightness temperature data using passive-passive downscaling with L-band radiometer data
Towards resolution enhancement of P-band brightness temperature data using passive-passive downscaling with L-band radiometer data Open
View article: Study on the Copolymerization of Acrylamide and Maleic Anhydride in Inverse Emulsion: An Azeotrope Couple
Study on the Copolymerization of Acrylamide and Maleic Anhydride in Inverse Emulsion: An Azeotrope Couple Open
View article: Coupled hydrologic-electromagnetic framework to model permafrost active layer organic soil dielectric properties
Coupled hydrologic-electromagnetic framework to model permafrost active layer organic soil dielectric properties Open
View article: Multifrequency Subsurface Soil Moisture Retrieval for Forest Flows: A Case Study in Te Hiku, New Zealand
Multifrequency Subsurface Soil Moisture Retrieval for Forest Flows: A Case Study in Te Hiku, New Zealand Open
A subsurface soil moisture retrieval algorithm, using a pathfinder simultaneously acquired P- and L-band radar data over forested areas, is proposed in this article. It employs a generalized radar backscattering model for forests and a sec…
View article: Evaluation of Postoperative Complications in Patients Undergoing Bilateral Lateral Incision Repair for Abdominal Wall Hernia
Evaluation of Postoperative Complications in Patients Undergoing Bilateral Lateral Incision Repair for Abdominal Wall Hernia Open
View article: Quality of Life and Associated Factors among Individuals Undergoing Sleeve Gastrectomy in Rasht, Iran
Quality of Life and Associated Factors among Individuals Undergoing Sleeve Gastrectomy in Rasht, Iran Open
View article: Comparison of the Results of Chest X-ray Versus Chest Computed Tomography in Patients With Stab Wound Chest Injuries
Comparison of the Results of Chest X-ray Versus Chest Computed Tomography in Patients With Stab Wound Chest Injuries Open
Background: Injuries after normal chest X-ray (CXR) and chest computed tomography (CCT) have been observed in patients with thoracic stab wounds, which can increase the rate of subsequent complications in such patients. This study aimed to…
View article: Integrating multi-source remote sensing data for mapping boreal forest canopy height and species in interior Alaska in support of radar modeling
Integrating multi-source remote sensing data for mapping boreal forest canopy height and species in interior Alaska in support of radar modeling Open
Vegetation information is essential for analyzing aboveground biomass and understanding subsurface characteristics, such as root biomass, soil organic matter, and soil moisture conditions. In this study, we mapped boreal forest canopy heig…
View article: Sub-nanosecond RF synchronization for MIMO software defined radio sensor networks
Sub-nanosecond RF synchronization for MIMO software defined radio sensor networks Open
This disclosure presents distributed and decentralized synchronization for wireless transceivers. The disclosed system, device, and method achieve sub-nanosecond synchronization using low-cost commercial off the shelf software defined radi…
View article: The ABoVE L-band and P-band airborne synthetic aperture radar surveys
The ABoVE L-band and P-band airborne synthetic aperture radar surveys Open
Permafrost-affected ecosystems of the Arctic–boreal zone in northwestern North America are undergoing profound transformation due to rapid climate change. NASA's Arctic Boreal Vulnerability Experiment (ABoVE) is investigating characteristi…
View article: Airborne Sounding Radar for Desert Subsurface Exploration of Aquifers: Desert-SEA: Mission concept study [Space Agencies]
Airborne Sounding Radar for Desert Subsurface Exploration of Aquifers: Desert-SEA: Mission concept study [Space Agencies] Open
Shallow aquifers are the largest freshwater bodies in the North African Sahara and the Arabian Peninsula. Their groundwater dynamics and response to climatic variability and anthropogenic discharge remain largely unquantified due to the ab…
View article: Society Officers & Administrative Committee
Society Officers & Administrative Committee Open
View article: Absolute Calibration of a UAV-Mounted Ultra-Wideband Software-Defined Radar Using an External Target in the Near-Field
Absolute Calibration of a UAV-Mounted Ultra-Wideband Software-Defined Radar Using an External Target in the Near-Field Open
We describe a method to calibrate a Software-Defined Radar (SDRadar) system mounted on an uncrewed aerial vehicle (UAV) with an ultra-wideband (UWB) waveform operated in the near-field region. Radar calibration is a prerequisite for using …
View article: Facial Recognition of People with Masks Using Mediapipe Facemesh and Deep Learning Algorithms
Facial Recognition of People with Masks Using Mediapipe Facemesh and Deep Learning Algorithms Open
View article: Modeling and Experimental Survey on Inverse Emulsion Terpolymerization of Acrylamide, Styrene and Maleic Anhydride as Associative Amphiphilic Polymer
Modeling and Experimental Survey on Inverse Emulsion Terpolymerization of Acrylamide, Styrene and Maleic Anhydride as Associative Amphiphilic Polymer Open
View article: Maps of active layer thickness in northern Alaska by upscaling P-band polarimetric synthetic aperture radar retrievals
Maps of active layer thickness in northern Alaska by upscaling P-band polarimetric synthetic aperture radar retrievals Open
Extensive, detailed information on the spatial distribution of active layer thickness (ALT) in northern Alaska and how it evolves over time could greatly aid efforts to assess the effects of climate change on the region and also help to qu…
View article: Society Officers & Administrative Committee
Society Officers & Administrative Committee Open
View article: Widespread deepening of the active layer in northern permafrost regions from 2003 to 2020
Widespread deepening of the active layer in northern permafrost regions from 2003 to 2020 Open
The changing thermal state of permafrost is an important indicator of climate change in northern high latitude ecosystems. The seasonally thawed soil active layer thickness (ALT) overlying permafrost may be deepening as a consequence of en…
View article: Deep learning estimation of northern hemisphere soil freeze-thaw dynamics using satellite multi-frequency microwave brightness temperature observations
Deep learning estimation of northern hemisphere soil freeze-thaw dynamics using satellite multi-frequency microwave brightness temperature observations Open
Satellite microwave sensors are well suited for monitoring landscape freeze-thaw (FT) transitions owing to the strong brightness temperature (TB) or backscatter response to changes in liquid water abundance between predominantly frozen and…
View article: Comment on essd-2021-172
Comment on essd-2021-172 Open
Abstract. Permafrost-affected ecosystems of the Arctic-boreal zone in northwestern North America are undergoing profound transformation as a result of rapid climate change. NASA’s Arctic Boreal Vulnerability Experiment (AB…
View article: List of Reviewers
List of Reviewers Open
View article: The ABoVE L-band and P-band Airborne SAR Surveys
The ABoVE L-band and P-band Airborne SAR Surveys Open
Permafrost-affected ecosystems of the Arctic-boreal zone in northwestern North America are undergoing profound transformation as a result of rapid climate change. NASA’s Arctic Boreal Vulnerability Experiment (ABoVE) is investigating chara…
View article: Society Officers & Administrative Committee
Society Officers & Administrative Committee Open
View article: Society Officers & Administrative Committee
Society Officers & Administrative Committee Open
View article: Society Officers & Administrative Committee
Society Officers & Administrative Committee Open
View article: Improved Geometric Optics with Topography (IGOT) Model for GNSS-R Delay-Doppler Maps Using Three-Scale Surface Roughness
Improved Geometric Optics with Topography (IGOT) Model for GNSS-R Delay-Doppler Maps Using Three-Scale Surface Roughness Open
Although multiple efforts have been made to model global navigation satellite system (GNSS)-reflectometry (GNSS-R) delay-Doppler maps (DDMs) over land, there is still a need for models that better represent the signals over land and can en…
View article: Society Officers & Administrative Committee
Society Officers & Administrative Committee Open
View article: Enabling Low-Cost Versatile Remote Sensing of Water Cycle Variables with Ultrawideband UAV-mounted Software-Defined Radar
Enabling Low-Cost Versatile Remote Sensing of Water Cycle Variables with Ultrawideband UAV-mounted Software-Defined Radar Open
View article: Exergy analysis and optimisation of a hybrid solar-geothermal power plant
Exergy analysis and optimisation of a hybrid solar-geothermal power plant Open