Comparison of methods to estimate water‐equivalent diameter for calculation of patient dose
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Applied Clinical Medical Physics"
DOI: 10.1002/acm2.12383
Abstract: Abstract Modern CT systems seek to evaluate patient‐specific dose by converting the CT dose index generated during a procedure to a size‐specific dose estimate using conversion factors that are related to patient attenuation properties. The… read more here.
Keywords: equivalent diameter; methods estimate; geometry; water equivalent ... See more keywords
Water equivalent PRESAGE® for synchrotron radiation therapy dosimetry
Sign Up to like & getrecommendations! Published in 2018 at "Medical Physics"
DOI: 10.1002/mp.12745
Abstract: PURPOSE Synchrotron Radiation Therapy techniques are currently being trialed and commissioned at synchrotrons around the world. The patient treatment planning systems (TPS) developed for these treatments use simulated data of the synchrotron x-ray beam to… read more here.
Keywords: synchrotron; water; equivalent presage; water equivalent ... See more keywords
Technical Note: Water-equivalent thickness of Superflab bolus material at diagnostic x-ray energies.
Sign Up to like & getrecommendations! Published in 2022 at "Medical physics"
DOI: 10.1002/mp.16147
Abstract: PURPOSE The purpose of this work was to determine the water-equivalent thickness of Superflab bolus material for narrow and broad field-of-view (FOV) x-ray geometries at diagnostic x-ray energies. METHODS Transmission measurements were performed for incremental… read more here.
Keywords: equivalent thickness; superflab; water; water equivalent ... See more keywords
Large discrepancy between measured and remotely sensed snow water equivalent in the northern Europe and western Siberia during boreal winter
Sign Up to like & getrecommendations! Published in 2018 at "Theoretical and Applied Climatology"
DOI: 10.1007/s00704-018-2580-8
Abstract: Accurate information on snowpack conditions is crucial for understanding changes in the hydrological cycle and its impacts on the climate system, especially at the middle and high latitudes. Two satellite-derived products that cover Eurasia from… read more here.
Keywords: northern europe; climatology; dataset; snow water ... See more keywords
Topography and Land Cover Effects on Snow Water Equivalent Estimation Using AMSR-E and GLDAS Data
Sign Up to like & getrecommendations! Published in 2019 at "Water Resources Management"
DOI: 10.1007/s11269-019-2200-0
Abstract: Accurate predictions of snow characteristics have an essential function in water resources management, especially in the high mountainous areas. Remote sensing presents a possibility for snow characteristics observation, such as snow water equivalent (SWE), in… read more here.
Keywords: topography; estimation; topography land; snow water ... See more keywords
Prediction of snow water equivalent using artificial neural network and adaptive neuro-fuzzy inference system with two sampling schemes in semi-arid region of Iran
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Mountain Science"
DOI: 10.1007/s11629-018-4875-8
Abstract: Direct measurement of snow water equivalent (SWE) in snow-dominated mountainous areas is difficult, thus its prediction is essential for water resources management in such areas. In addition, because of nonlinear trend of snow spatial distribution… read more here.
Keywords: sampling patterns; water; two sampling; snow water ... See more keywords
Spatio-temporal variability of snow water equivalent over the Vestre Broggerbreen and Feiringbreen glaciers, Ny-Ålesund, Svalbard
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Earth System Science"
DOI: 10.1007/s12040-019-1224-4
Abstract: Snow water equivalent (SWE) is important for understanding the hydrological significance of glaciers. In this study, the spatial and temporal variability in SWE and its impact over the Vestre Broggerbreen and Feiringbreen glaciers around Ny-Ålesund… read more here.
Keywords: broggerbreen feiringbreen; vestre broggerbreen; snow water; water equivalent ... See more keywords
Evaluation and blending of ATMS and AMSR2 snow water equivalent retrievals over the conterminous United States
Sign Up to like & getrecommendations! Published in 2021 at "Remote Sensing of Environment"
DOI: 10.1016/j.rse.2020.112280
Abstract: Abstract This study first compares two different passive microwave snow water equivalent (SWE) retrievals, namely the retrieval from the Suomi National Polar-orbiting Partnership (S-NPP) Advanced Technology Microwave Sounder (ATMS) and that from the Global Change… read more here.
Keywords: water; amsr2; united states; snow water ... See more keywords
A SIMPLE METHOD FOR CALIBRATING PIXEL VALUES OF THE CT LOCALIZER RADIOGRAPH FOR CALCULATING WATER-EQUIVALENT DIAMETER AND SIZE-SPECIFIC DOSE ESTIMATE
Sign Up to like & getrecommendations! Published in 2018 at "Radiation Protection Dosimetry"
DOI: 10.1093/rpd/ncx241
Abstract: The purpose of this study is to establish the relationship between the pixel value (I) of the CT localizer radiograph and water-equivalent thickness (tw) in a straightforward procedure. We used a body CTDI phantom, which… read more here.
Keywords: localizer radiograph; pixel values; equivalent diameter; water equivalent ... See more keywords
Remote Sensing of Snow Water Equivalent Using Coherent Reflection From Satellite Signals of Opportunity: Theoretical Modeling
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"
DOI: 10.1109/jstars.2017.2743172
Abstract: A model for the remote sensing of snow water equivalent (SWE) using coherent detection of reflected communication satellite “signals of opportunity” is described in this paper. We modeled the snowpack by a layered medium and… read more here.
Keywords: phase; sensing snow; remote sensing; swe ... See more keywords
Impact of GPS Processing on the Estimation of Snow Water Equivalent Using Refracted GPS Signals
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2019.2934016
Abstract: Global navigation satellite system (GNSS) antennas buried underneath a snowpack have a high potential for in situ snow water equivalent (SWE) estimation. Automated and continuous SWE quantification independent of weather conditions could enhance snow hydrological… read more here.
Keywords: water equivalent; snow water; gps processing; swe estimation ... See more keywords