Robert Musgrave

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Significant differences in CO(2) compensation concentration measured in the field among varieties of the species Zea mays L. are reported for the first time. CO(2) compensation concentrations were significantly (P</= 0.01) and negatively correlated with apparent photosynthesis at 300 mul CO(2)/liter air. The Michaelis constant (as defined) for a leaf was(More)
| September 2014 | www.gsapubs.org 763 INTRODUCTION A range of evidence suggests that widespread ice deposition and local ice flow occurred in the northern mid-latitudes (30°–50°N) of Mars during its history. Evidence includes morphological indicators of ice accumulation and flow (e.g., Squyres, 1979; Lucchitta, 1981; Head et al., 2005, 2006a, 2006b, 2010),(More)
We report the design and performance of a gas-phase sample cell for measurements of momentum transfer (q) dependent nonresonant inelastic x-ray scattering (NRIXS). NRIXS measurements from He gas at 2 MPa (20 bars) readily demonstrate dipole-allowed and dipole-forbidden final states for two-electron excitations. Direct comparison of gas-phase NRIXS(More)
Acquisitionof teleseismicdata in south-westernNewSouthWalesduring2007 formed the latest stageof a rolling deployment of seismometers over south-easternAustralia, and allowed a revised tomographicmodel to be constructed for the lithospheric mantle under Victoria and southern NSW. Our aim here is to link the observed distribution of upper-mantle P-wave(More)
Simple models involving the gradual outboard accretion of material along curvilinear subduction zones are often inconsistent with field-based evidence. A recent study using 3-D geodynamic modelling has shown that the entrainment of an exotic continental fragment within a simple subduction system can result in a complex phase of growth. Although kinematic(More)
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