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Browsing 04 Earth Sciences by Title

Now showing items 156-175 of 355

How Small-Scale Variation In Oyster Reef Patchiness Influences Predation On Bivalves

Macreadie Peter; Geraldi Nr; Peterson Christopher (Inter-Research, 2011)

As oyster fishing continues to degrade reef habitat along the US Atlantic coast, oyster reefs appear increasingly fragmented on small spatial scales. In outdoor mesocosms, experiments tested how consumption of representatives ...
A Hybrid Artificial Neural NetworkNumerical Model for Ground Water Problems

Szidarovszky Ferenc; Coppola E; Long J; Hall Anthony; Poulton M (WileyBlackwell Publishing, 2007)
Hydraulic geometry in river channel networks as method for the assessmnet of river condition

Thornton Elizabeth; Neave Melissa; Rayburg Scott (Charles Sturt University, 2007)

Aspects of channel morphology were examined across the stream network in the Kangaroo River catchment, NSW. Downstream hydraulic geometry relationships were analysed as appropriate methods of predicting alterations in ...
Hydrogeology, Hydrogeochemistry and Isotope Hydrology of Al Kufrali and Sirt Basins, Eastern Libya

Milne-Home William; Salloum Fathi; Safili Naser (Gutenberg Press Ltd, 2008)

Large volumes of good quality groundwater occur in aquifers withinAl Kufrah and Sirt sedimentary basins. The main aquifer in Al Kufrah Basin is the Cretaceous Nubian Sandstone which consists of cross-bedded sandstones, ...
Hydrogeology of the Blue Mountains, NSW: Simulating impacts of bore abstraction and sewer tunnel inflows on stream base-flow

Kelly Bryce; Brown Stuart; Merrick Noel (New Zealand Hydrological Society, IAH Australian Chapter New Zealand Society of Soil Science, 2005)

The Blue Mountains sandstone aquifer is an important water resource for domestic, rural and industrial use, and also hosts numerous ecosystems that are highly or entirely dependent on groundwater. In this study, conceptual ...
Hyporheic macroinvertebrates in riffle and pool areas of temporary streams in south eastern Australia

Hose Grant; Jones Peter; Lim Richard (Springer, 2005)

The hyporheic zone is an important refuge for invertebrates as surface water recedes in temporary streams. In this study, the structure and functional organisation of hyporheic macroinvertebrate assemblages in pool and ...
Hysteretic model for magnetorheological fluid dampers using a curve fitting approach

Hong Sia Minh; Nguyen Minh Tam; Kwok Ngai Ming; Ha Quang; Li Jianchun (Japanese Society of Applied Electromagnetics and Mechanics, 2007)

This paper presents a novel and simple model that describes the hysteretic force-velocity relationship of Magneto-Rheological (MR) fluid dampers and proposes an approach for the model parameter identification. The model ...
Identifying relationships between flood history, flood frequency and the provenance of surface sediments in a semi-arid terminal wetland

Rayburg Scott; Thoms Martin (IAHS Publications, 2008)

In semi-arid environments, dryland wetlands serve as key loci for biological diversity and productivity. This stems from their relative abundance of water and the comparative richness of their soils which are reinvigorated ...
The impact of land cover change on a simulated storm event in the Sydney Basin

Gero Anna; Pitman A (American Meteorological Society, 2006)

The Regional Atmospheric Modeling System (RAMS) was run at a 1-km grid spacing over the Sydney basin in Australia to assess the impact of land cover change on a simulated storm event. The simulated storm used NCEPâ¿¿NCAR ...
The impact of land cover change on storms in the Sydney Basin, Australia

Gero Anna; Pitman A; Narisma Gemma; Jacobson Carol; Pielke Roger (Elsevier BV, 2006)

This study has used a numerical model (RAMS) at 1 km horizontal grid intervals over the Sydney Basin to assess the impact of land cover change on storms. Multiple storms using the National Center for Environmental Prediction ...
Impact of ocean acidification on a key Arctic pelagic mollusc (Limacina helicina)

Comeau S.; Gorsky G.; Jeffree Ross; Teyssie Jean-Louis; Gattuso J.-P. (Copernicus GmbH, 2009)

Thecosome pteropods (shelled pelagic molluscs) can play an important role in the food web of various ecosystems and play a key role in the cycling of carbon and carbonate. Since they harbor an aragonitic shell, they could ...
Impacts Of Detritus From The Invasive Alga Caulerpa Taxifolia On A Soft Sediment Community

Taylor Skye; Bishop Melanie; Kelaher Brendan; Glasby Timothy (Inter-Research, 2010)

Invasive primary producers can dramatically reorganize food webs through detrital subsidies. This study assessed (1) contributions of the invasive alga Caulerpa taxifolia to detrital resources of temperate Australian ...
Importance of crop varieties and management practices: evaluation of a process-based model for simulating CO2 and H2O fluxes at five European maize (Zea mays L.) sites

Li Longhui; Vuichard N; Viovy N; Ciais P.; Wang T; Ceschia E.; Jans W; Wattenbach M; B´Eziat P; Gruenwald T; Lehuger S; Bernhofer C (Copernicus GmbH, 2011)

This paper is a modelling study of crop management impacts on carbon and water fluxes at a range of European sites. The model is a crop growth model (STICS) coupled with a process-based land surface model (ORCHIDEE). The ...
Improved Phase Variable Model and Field-Circuit Coupling Method for Performance Analysis of High Speed Brushless DC Motor

Chen Jiaxin; Guo Youguang; Zhu Jianguo (Japanese Society of Applied Electromagnetics and Mechanics, 2007)

This paper presents an improved phase variable model and field-circuit coupling method to evaluate the comprehensive performance of brushless DC (BLDC) motors in both steady and dynamic conditions. In the proposed model, ...
Improved quantitative real-time PCR assays for enumeration of harmful algal species in field samples using an exogenous DNA reference standard

Coyne Kathryn; Handy Sara; Demir Elif; Whereat Edward; Hutchins David; Portune Kevin; Doblin Martina; Cary S (American Society of Limnology and Oceanography Inc., 2005)

Quantitative real-time PCR (QPCR) is a powerful and sensitive method for quantitative detection of microorganisms. Application of this methodology for enumeration of harmful algal bloom (HAB) species has the potential to ...
Improved Sequential Optimization Method for High Dimensional Electromagnetic Optimization Problem

Lei Gang; Shao Ke; Guo Youguang; Zhu Jianguo; Lavers J (IEEE, 2009)

Improved sequential optimization method (SOM) and dimension reduction optimization method (DROM) are presented for high dimensional optimization design problems of electromagnetic devices. Improved SOM can simultaneously ...
Incorporating a distance cost in systematic reserve design

Zhang Kun; Laffan Shawn; Ramp Daniel; Webster Evan (TAYLOR & FRANCIS LTD, 2011)

The selection of parcels of land to incorporate into reserve systems necessitates trade-offs among biodiversity targets, costs such as land area and spatial compactness. There are well-established systematic reserve design ...
Increased rate of D1 repair in coral symbionts during bleaching is insufficient to counter accelerated photo-inactivation

Hill Ross; Brown Christopher; Dezeeuw Katrina; Campbell Douglas; Ralph Peter (Amer Soc Limnology and Oceanography, 2011)

We dissect the primary photo-inactivation and the counteracting metabolic repair rates in fragments of the scleractinian coral, Pocillopora damicornis, subjected to a combined stress of a shift to elevated temperature (from ...
Increases in the abundance of microbial genes encoding halotolerance and photosynthesis along a sediment salinity gradient

Jeffries Thomas; Seymour Justin; Newton K.; Smith R.; Seuront L.; Mitchell J. (Copernicus GmbH, 2012)

Biogeochemical cycles are driven by the metabolic activity of microbial communities, yet the environmental parameters that underpin shifts in the functional potential coded within microbial community genomes are still ...
Industry Clusters and Sydney's ITT Sector: northern Sydney as 'Australia's Silicon Valley'?

Searle Glen; Pritchard William (Carfax Publishing, 2005)

This paper examines the claim that the North Ryde-North Sydney arc is Australia’s ‘Silicon Valley’, seeking firstly to identify the empirical validities behind the claim, and secondly to ask how the documented patterns ...

Now showing items 156-175 of 355

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