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Oxygenated weathering products of Deepwater Horizon oil come from surprising precursors

Related publications (37)

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Effects of service loading on the behaviour of a suspension bridge

Ian Smith, Ngoc Thanh Trinh, Irwanda Laory

In order to achieve reliable information about deterioration, it is important to differentiate between changes in structural behaviour due to service loading (temperature, wind and traffic) and changes resulting from damage when interpreting measurement da ...

2011

Nonparametric Least Squares Regression for Image Reconstruction on the Sphere

Pascal Frossard, Ivana Tosic, Tamara Tosic

This paper addresses the problem of interpolating signals defined on a 2-d sphere from non-uniform samples. We present an interpolation method based on locally weighted linear and nonlinear regression, which takes into account the differences in importance ...

2009

Forecasting respiratory rate in sedated patients with partial least squares regression

Jérémie Guignard

Remifentanil, like the other sedative drugs used to achieve conscious sedation, has an impact on the efficiency of patient ventilation. Since the quality of breathing has an indirect effect on blood O2 and CO2 concentrations, keeping patients' blood homeos ...

2009

System identification with missing data via nuclear norm regularization

Colin Neil Jones

The application of nuclear norm regularization to system identification was recently shown to be a useful method for identifying low order linear models. In this paper, we consider nuclear norm regularization for identification of LTI systems with missing ...

2009

Disentangling oil weathering using GCxGC. 2. Mass transfer calculations

Jeremy Samuel Arey

Hydrocarbon mass transfers to the atmosphere and water column drive the early weathering of oil spills and also control the chemical exposures of many coastal wildlife species. However, in the field, mass transfer rates of individual hydrocarbons to air an ...

2007

Hierarchical Penalization

Hierarchical penalization is a generic framework for incorporating prior information in the fitting of statistical models, when the explicative variables are organized in a hierarchical structure. The penalizer is a convex functional that performs soft sel ...

2007

Hierarchical Penalization

IDIAP2007

Activelets and sparsity: A new way to detect brain activation from fMRI data - art. no. 67010Y

Michaël Unser, Dimitri Nestor Alice Van De Ville, Ildar Khalidov

FMRI time course processing is traditionally performed using linear regression followed by statistical hypothesis testing. While this analysis method is robust against noise, it relies strongly on the signal model. In this paper, we propose a non-parametri ...

Spie-Int Soc Optical Engineering, Po Box 10, Bellingham, Wa 98227-0010 Usa2007

Activelets and Sparsity: A New Way to Detect Brain Activation from fMRI Data

Michaël Unser, Dimitri Nestor Alice Van De Ville, Ildar Khalidov

SPIE2007

Disentangling oil weathering using GCxGC. 1. Chromatogram analysis

Jeremy Samuel Arey

Historically, the thousands of compounds found in oils constituted an “unresolved complex mixture” that frustrated efforts to analyze oil weathering. Moreover, different weathering processes inflict rich and diverse signatures of compositional change in oi ...

2007