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Although there is widespread consensus in human geography that neoliberalism is achieved through the intersection of multiple scales and states, there has been growing emphasis in recent years on the hybrid qualities of neoliberalist-styles of governance. Because hybrid approaches draw attention to the wide range of actors and contradictory agendas underpinning the always uneven expression of neoliberalist projects, they are particularly suited to the identification of residual state capacities in contexts where neoliberalist forms dominate economic and political life. Drawing on two cases of large-scale residential development in New South Wales, namely Warnervale Town Centre on the New South Wales Central Coast and the Australian Defence Industry site at St Marys in Sydney's west, the present paper adopts an hybrid approach in order to identify current state capacities. Through a comparison of both sites, it identifies the potential for socially and ecologically balanced development in the outer suburban context. 相似文献
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Wave tank experiments with long internal waves of elevation, of different initial length l, moving in a two-fluid system, interacting with a weak slope of 0.045 rad, show an onshore flow of the dense water, at the undisturbed pycnocline-slope intersection, of duration $11.3\sqrt{l/g'}Wave tank experiments with long internal waves of elevation, of different initial length l, moving in a two-fluid system, interacting with a weak slope of 0.045 rad, show an onshore flow of the dense water, at the
undisturbed pycnocline-slope intersection, of duration 11.3?{l/g¢}11.3\sqrt{l/g'} (g′ reduced gravity). This period corresponds to that of a strong bottom current event measured in the stratified ocean at the
Ormen Lange gas field, at 850 m depth, lasting for 24 hrs, corresponding to 11.2?{l/g¢}11.2\sqrt{l/g'}, using the width l = 300 km of the Norwegian Atlantic Current (NAC) at the site as length scale, suggesting a lateral sloshing motion of the
NAC causing the event. The onshore velocity of the dense fluid has a maximal velocity of 0.4?{g¢h2}0.4\sqrt{g'h_2} in laboratory and 0.5 ms-1=0.3?{g¢h2}^{-1}=0.3\sqrt{g'h_2} in the field (h
2 mixed upper layer thickness). Run-up of the dense fluid, beyond the undisturbed pycnocline-slope intersection, has initially
a front velocity of 0.35?{g¢h2}0.35\sqrt{g'h_2}, corresponding to the velocity of the head of a density current on a flat bottom. Due to disintegration, an initially depressed
pycnocline results in comparatively smaller run-up and velocity. While moving past the turning point, a dispersive wave train
is formed in the back part of the depression wave, developing by breaking into a sequence of up to eight boluses moving by
the undisturbed pycnocline-slope intersection. 相似文献
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The objective of this study was to determine and discuss field‐scale phosphorus losses via subsurface tile drains. A total phosphorous (Tot‐P) export, which averaged 0·29 kg ha−1 year−1, was measured over a six‐year period from the 4·43 ha drainage system of a Eutric Cambisol in Central Sweden. The main part (63%) was in particulate form (PP) while the remainder was either in phosphate form (PO4‐P) or in other dissolved or colloidal forms. A very small area, less than 1% of the soil surface, was demonstrated to be hydraulically active by using a staining technique in soil monoliths taken from the field. The stained macropores were few, but were continuous downward, and were relatively evenly distributed among the eight 7 dm2 areas that were investigated. The transport from the field mainly occurred in episodes during which the relationship between phosphorus concentration and discharge was characterized by hysteresis loops. On average, half of the yearly P transport occurred in 140 hours. Compared with flow‐proportional and frequent sampling, manual and fortnightly sampling underestimated the transport of Tot‐P and suspended solids (SS) by 59 and 42%, respectively, during the six years studied. Amounts of different phosphorus forms exported through the tile drains were very similar to those reported from other clay soils in Northern Europe and North America. Copyright © 1999 John Wiley & Sons, Ltd. 相似文献
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We have studied the effect that substantially enhanced electron temperatures produce on the higher-frequency shorter-wavelength modes of the Farley-Buneman instability at high latitudes. In all cases the value of the parallel wave vector is reduced and the results are closer to those obtained from fluid theory than previous calculations had revealed. The large electron temperatures are themselves the product of heating by unstable plasma waves so that the corrections described in the present work become increasingly important as the linear growth rate increases. 相似文献
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Kristian Vasskog John‐Inge Svendsen Jan Mangerud Kristian Agasster Haaga Arve Svean Eva Maria Lunnan 《第四纪科学杂志》2019,34(6):410-423
Based on six consistent radiocarbon dates from the isolation basins Grødheimsvatnet and Kringlemyr, we estimate a minimum deglaciation age for southern Karmøy, an island in outer Boknafjorden (south‐west Norway), of around 18 000 calibrated years before present (18k cal a bp ). We use microscopic phytoplankton, macrofossils, lithostratigraphic evidence and X‐ray fluorescence data to identify the isolation contacts in the basins, and date them to 17.52–17.18k cal a bp in Grødheimsvatnet [15.57 m above present mean sea level (MSL)] and 16.19–15.80k cal a bp in Kringlemyr (11.99 m above MSL). Combining these data with previous studies, we construct a relative sea‐level (RSL) curve from 18k cal a bp until the present, which is ~3 ka longer than any previous RSL reconstruction from southern Norway. Following deglaciation, southern Karmøy has experienced a net emergence of around 16–19 m, although with significant RSL fluctuations. This includes two RSL minima well below present MSL around ~13.8 and ~10k cal a bp , and two maxima that culminated around 5–7 m above MSL during the Younger Dryas and early to mid‐Holocene, respectively. Considering eustatic sea level and modelled gravitational deformation of the geoid, we estimate a net postglacial isostatic uplift of ~120 m. © 2019 John Wiley & Sons, Ltd 相似文献
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Kristian Krabbenhøft Sergio Andres Galindo-Torres Xue Zhang Jørgen Krabbenhøft 《国际地质力学数值与分析法杂志》2019,43(17):2652-2666
A total stress model applicable to clays under undrained conditions is presented. The model involves three strength parameters: the undrained shear strengths in triaxial compression, triaxial extension, and simple shear. The amount of physical anisotropy implied by the model is a function of the relative magnitude of these three strengths assuming a Mises-type plastic potential. Elastoplastic deformation characteristics below failure are accounted for by a hardening law requiring two additional parameters that can be related to the axial strains halfway to failure in triaxial compression and extension. Finally, elasticity is accounted for by Hooke law. The result is a relatively simple model whose parameters can all be inferred directly from a combination of in situ and standard undrained laboratory tests. The model is applied to a problem involving the horizontal loading of a monopile foundation for which full scale tests have been previously conducted. The model shows good agreement with the measured data. 相似文献