Search results for: Martin Andrews

Items from 1 to 6 out of 6 results

article

Prediction of the quasi‐biennial oscillation with a multi‐model ensemble of QBO‐resolving models

Timothy N. Stockdale, Young‐Ha Kim, James A. Anstey, Froila M. Palmeiro, more

Quarterly Journal of the Royal Meteorological Society > 148 > 744 > 1519 - 1540

A multi‐model study is carried out to investigate the ability of models to predict the evolution of the quasi‐biennial oscillation (QBO) up to 12 months in advance. All models are initialised from common reanalysis data, and forecasts run for a common set of 30 start dates over 15 years. All models have high skill in predicting the phase evolution of the QBO at 20–30 hPa, with slightly more variable...

article

Indian Ocean SST modes and Their Impacts as Simulated in BCC_CSM1.1(m) and HadGEM3

Bo Lu, Hong-Li Ren, Rosie Eade, Martin Andrews

Advances in Atmospheric Sciences > 2018 > 35 > 8 > 1035-1048

The sea surface temperature anomalies (SSTAs) in the tropical Indian Ocean (TIO) show two dominant modes at interannual time scales, referred to as the Indian Ocean basin mode (IOBM) and dipole mode (IOD). Recent studies have shown that the IOBM and IOD not only affect the local climate, but also induce remarkable influences in East Asia via teleconnections. In this study, we assess simulations of...

article

Dosimetric effect of uncorrected rotations in lung SBRT with stereotactic imaging guidance

Han Liu, Martin Andrews, Andrey Markovich, Tingliang Zhuang

Physica Medica > 2017 > 42 > C > 197-202

To evaluate the dosimetric impact of uncorrected rotations on the planning target volume (PTV) coverage for early stage non-small cell lung cancer patients treated with stereotactic body radiotherapy using Brainlab ExacTrac image guidance.Twenty-two patients were retrospectively selected. Two scenarios of uncorrected rotations were simulated with magnitude of 1°, 2°, 3° and 5°: (1) rotation around...

article

Fistula in sub-Saharan Africa

Karen Ballard, Fekade Ayenachew, Jeremy Wright, Habtamu Atnafu, more

The Lancet Global Health > 2015 > 3 > 8 > e441

article

Manganese‐enhanced MRI detection of impaired calcium regulation in a mouse model of cardiac hypertrophy

Martin Andrews, Maryellen L. Giger, Brian B. Roman

NMR in Biomedicine > 28 > 2 > 255 - 263

The aim of this study was to use manganese (Mn)‐enhanced MRI (MEMRI) to detect changes in calcium handling associated with cardiac hypertrophy in a mouse model, and to determine whether the impact of creatine kinase ablation is detectable using this method. Male C57BL/6 (C57, n = 11) and male creatine kinase double‐knockout (CK‐M/Mito^–/–, DBKO, n = 12) mice were imaged using the saturation recovery...

chapter

Modelling adaptive control - a reality?

Teresa Druce, Martin Andrews

IET Road Transport Information and Control Conference and the ITS United Kingdom Members' Conference (RTIC 2010) - Better transport through technology > 1 - 6

IET Road Transport Information and Control Conference and the ITS United Kingdom Members' Conference (RTIC 2010) - Better transport through technology

Traffic microsimulation tools are now widely accessible and modelling in support of planning applications and as evidence in Transport Assessments is becoming common place. This paper questions the requirement to accurately model signal operation in microsimulation models and explores whether modelling using an adaptive control methodology results in a more accurate and ‘implementation friendly’ model...

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Search results for: Martin Andrews

Prediction of the quasi‐biennial oscillation with a multi‐model ensemble of QBO‐resolving models

Indian Ocean SST modes and Their Impacts as Simulated in BCC_CSM1.1(m) and HadGEM3

Dosimetric effect of uncorrected rotations in lung SBRT with stereotactic imaging guidance

Fistula in sub-Saharan Africa

Manganese‐enhanced MRI detection of impaired calcium regulation in a mouse model of cardiac hypertrophy

Modelling adaptive control - a reality?

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