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Academic literature on the topic 'Moreton Bay'

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Published: 4 June 2021
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Journal articles on the topic "Moreton Bay"

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Treloar, Philip, David Taylor, and Paul Prenzler. "INVESTIGATION OF WAVE INDUCED STORM SURGE WITHIN A LARGE COASTAL EMBAYMENT - MORETON BAY (AUSTRALIA)." Coastal Engineering Proceedings 1, no. 32 (January 30, 2011): 22. http://dx.doi.org/10.9753/icce.v32.currents.22.

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Moreton Bay is a large coastal embayment on the south-east Queensland coast which is surrounded by the urbanised areas of greater Brisbane on its western and southern shorelines. It is protected from the open coast by a number of islands, including South Stradbroke, North Stradbroke and Moreton Islands. Tropical cyclones occasionally track far enough south to cause significant damage to south-east Queensland due to flooding, winds, waves and elevated ocean water levels. Distant tropical cyclones which may be several hundred kilometres north of Moreton Bay have been known to cause storm surge, high waves and erosion inside Moreton Bay. These events generally do not generate gale force winds within Moreton Bay, but can generate large ocean swell waves. It has been identified that the wave conditions generated from distant cyclones can cause a variation in water levels inside Moreton Bay. A detailed study was undertaken to investigate the regional wave set-up process which affects Moreton Bay. The simulation of the residual water levels within Moreton Bay using a coupled hydrodynamic and wave model system developed for this study is considerably more accurate than applying a hydrodynamic model alone and explains water level anomalies that have a tidal frequency. The paper discusses the physical process of regional wave set-up inside a large embayment, analysis of observed residual water level and also the modelling study undertaken to quantify the influence of waves on storm tide levels inside Moreton Bay. The storm tide hazard study for the Moreton Bay Councils included the effects of regional wave set-up in the specification of design water levels.
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Thompson, JJ. "Patterns of shorebird abundance in eastern Moreton Bay, Queensland." Wildlife Research 20, no. 2 (1993): 193. http://dx.doi.org/10.1071/wr9930193.

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An indirect census method was developed to enable the first large-scale censuses of shorebirds in eastern Moreton Bay, Queensland. The method used the number of bar-tailed godwits counted on high-tide roosts, and the proportion of species on associated intertidal feeding areas, to estimate the abundance of all species. Shorebirds tended to be more abundant at the time of the northward migration, while fluctuations in numbers suggested that shorebirds staged in eastern Moreton Bay during both the southward and northward migrations. Census results highlighted the large number of grey-tailed tattlers, eastern curlews and bar-tailed godwits using eastern Moreton Bay, and provided further evidence that Moreton Bay is a site of international significance for shorebirds.
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MYERS, A. A., J. K. LOWRY, and R. S. K. BARNES. "First record of the genus Eriopisella Chevreux, 1920 (Crustacea, Amphipoda, Senticaudata, Eriopisidae) from Australia, with the description of a new species, Eriopisella moretoni sp. nov." Zootaxa 4514, no. 2 (November 7, 2018): 256. http://dx.doi.org/10.11646/zootaxa.4514.2.8.

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The genus Eriopisella is recorded for the first time from Australia. Material from Moreton Bay, Queensland, proved to be an undescribed species and is here fully described and figured under the name E. moretoni sp. nov. An identification key to the nine known world species of Eriopisella is provided.
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Morton, RM, I. Halliday, and D. Cameron. "Movement of tagged juvenile tailor (Pomatomus saltatrix) in Moreton Bay, Queensland." Marine and Freshwater Research 44, no. 6 (1993): 811. http://dx.doi.org/10.1071/mf9930811.

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Large quantities of tailor, Pomatomus saltatrix, are caught by recreational and commercial fishers in coastal waters off New South Wales and Queensland. Juvenile tailor were subject to increasing fishing mortality in Moreton Bay (Queensland) in the mid 1980s. A tagging programme, involving State Government fisheries biologists and amateur fishing clubs, was established in 1986 to examine the movement, growth rate and fisheries exploitation of juvenile tailor (<270 mm fork length) in Moreton Bay. Of 2173 juvenile tailor tagged in Moreton Bay during February-July and December 1987, 237 were recaptured over a period of 30 months, representing a recapture rate of 11%. This was a high recapture rate compared with those in similar finfish tagging studies carried out in Moreton Bay. The recaptured fish moved relatively short distances (mean�s.d., 10.2 � 15.0 km; maximum distance, 85 km). Growth data were unreliable. Estuaries such as Moreton Bay function as nursery areas for tailor prior to their movement onto open surf beaches as adult fish. A legal minimum length for tailor was introduced on the basis of this study.
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Sheldon, Fran. "Moreton Bay River Study, AARC." Impact 2017, no. 3 (March 10, 2017): 20–22. http://dx.doi.org/10.21820/23987073.2017.3.20.

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Beveridge, I., T. H. Cribb, and S. C. Cutmore. "Larval trypanorhynch cestodes in teleost fish from Moreton Bay, Queensland." Marine and Freshwater Research 68, no. 11 (2017): 2123. http://dx.doi.org/10.1071/mf17010.

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During a helminthological examination of teleost fish of Moreton Bay (Qld, Australia), 976 fish from 13 orders, 57 families and 133 species were examined and nine species of trypanorhynch metacestodes were identified. Callitetrarhynchus gracilis (Rudolphi, 1819) was the most frequently encountered species, found in 16 species of fish, with Callitetrarhynchus speciosus (Linton, 1897), Pterobothrium pearsoni (Southwell, 1929), Otobothrium alexanderi Palm, 2004, Otobothrium mugilis Hiscock, 1954, Otobothrium parvum Beveridge & Justine, 2007, Proemotobothrium southwelli Beveridge & Campbell, 2001, Pseudotobothrium dipsacum (Linton, 1897) and Heteronybelinia cf. heteromorphi Palm, 1999 occurring in fewer host species and at lower prevalences. Comparisons are made with studies elsewhere in the world and specifically within the South-west Pacific. Of the best studied regions in the South-west Pacific (Heron Island, Lizard Island, New Caledonia and now Moreton Bay), the fauna from Moreton Bay was found to be the most distinctive, with fauna from the three reef locations sharing 35–48% of species between sites and just 12–24% with Moreton Bay. The fauna of trypanorhynch cestodes from Lizard Island and New Caledonia was found to be the most similar.
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Abal, E. G., W. C. Dennison, and P. F. Greenfield. "Managing the Brisbane River and Moreton Bay: an integrated research/management program to reduce impacts on an Australian estuary." Water Science and Technology 43, no. 9 (May 1, 2001): 57–70. http://dx.doi.org/10.2166/wst.2001.0508.

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The Brisbane River and Moreton Bay Study, an interdisciplinary study of Moreton Bay and its major tributaries, was initiated to address water quality issues which link sewage and diffuse loading with environmental degradation. Runoff and deposition of fine-grained sediments into Moreton Bay, followed by resuspension, have been linked with increased turbidity and significant loss of seagrass habitat. Sewage-derived nutrient enrichment, particularly nitrogen (N), has been linked to algal blooms by sewage plume maps. Blooms of a marine cyanobacterium, Lyngbya majuscula, in Moreton Bay have resulted in significant impacts on human health (e.g., contact dermatitis) and ecological health (e.g., seagrass loss), and the availability of dissolved iron from acid sulfate soil runoff has been hypothesised. The impacts of catchment activities resulting in runoff of sediments, nutrients and dissolved iron on the health of the Moreton Bay waterways are addressed. The Study, established by 6 local councils in association with two state departments in 1994, forms a regional component of a national and state program to achieve ecologically sustainable use of the waterways by protecting and enhancing their health, while maintaining economic and social development. The Study framework illustrates a unique integrated approach to water quality management whereby scientific research, community participation and the strategy development were done in parallel with each other. This collaborative effort resulted in a water quality management strategy which focuses on the integration of socioeconomic and ecological values of the waterways. This work has led to significant cost savings in infrastructure by providing a clear focus on initiatives towards achieving healthy waterways. The Study's Stage 2 initiatives form the basis for this paper.
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Gilby, Ben L., Ian R. Tibbetts, and Tim Stevens. "Low functional redundancy and high variability in Sargassum browsing fish populations in a subtropical reef system." Marine and Freshwater Research 68, no. 2 (2017): 331. http://dx.doi.org/10.1071/mf15386.

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Establishing levels of functional redundancy in browsing fish populations among sampling periods and across spatial gradients is important in understanding coral reef functioning. We used baited video techniques to determine functional redundancy and variability in browsing herbivores within no-take marine protected areas (MPAs) and reference fished sites across two sampling periods and four reef types (scaling from high to low coral cover) in Moreton Bay, Australia (~27°S, 153°E). We hypothesised higher herbivore abundance and browsing rates in MPAs due to protection from fishing, but lower functional redundancy in Moreton Bay generally than in tropical reefs. The function of Sargassum browsing in Moreton Bay is conducted by a single species (rabbitfish Siganus fuscescens), which is unlikely to browse at ecologically significant rates. Siganus fuscescens abundance was variable between reef types, sampling periods and individual sites, such that their abundance and browsing rates were not higher within MPAs. Similar spatial and temporal variability was found for fish community structure, indicating that other functional roles might not be influenced by MPA protection in Moreton Bay. We highlight the importance of accounting for variability in fish communities and ecosystem processes across spatial and temporal periods in considering the influence of no-take MPAs.
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Kovacs, Eva M., Chris Roelfsema, James Udy, Simon Baltais, Mitchell Lyons, and Stuart Phinn. "Cloud Processing for Simultaneous Mapping of Seagrass Meadows in Optically Complex and Varied Water." Remote Sensing 14, no. 3 (January 27, 2022): 609. http://dx.doi.org/10.3390/rs14030609.

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Improved development of remote sensing approaches to deliver timely and accurate measurements for environmental monitoring, particularly with respect to marine and estuarine environments is a priority. We describe a machine learning, cloud processing protocol for simultaneous mapping seagrass meadows in waters of variable quality across Moreton Bay, Australia. This method was adapted from a protocol developed for mapping coral reef areas. Georeferenced spot check field-survey data were obtained across Moreton Bay, covering areas of differing water quality, and categorized into either substrate or ≥25% seagrass cover. These point data with coincident Landsat 8 OLI satellite imagery (30 m resolution; pulled directly from Google Earth Engine’s public archive) and a bathymetric layer (30 m resolution) were incorporated to train a random forest classifier. The semiautomated machine learning algorithm was applied to map seagrass in shallow areas of variable water quality simultaneously, and a bay-wide map was created for Moreton Bay. The output benthic habitat map representing seagrass presence/absence was accurate (63%) as determined by validation with an independent data set.
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Turton, Steve. "Environmental history and ecology of Moreton Bay." Australian Geographer 49, no. 2 (February 25, 2018): 335–36. http://dx.doi.org/10.1080/00049182.2018.1440471.

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Dissertations / Theses on the topic "Moreton Bay"

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Goodwin, Kathleen M. "Streetscapes of Manly on Moreton Bay : 1890s-1950s /." [St. Lucia, Qld.], 2004. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe18291.pdf.

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Weng, Herman T. "Biology of the trumpeter whiting (Sillago maculata) and factors involved in sustainability of stocks in Moreton bay, Queensland." Thesis, Queensland University of Technology, 1993. https://eprints.qut.edu.au/105550/1/T%28S%29%2046%20Biology%20of%20the%20trumpeter%20whiting%20%28Sillago%20maculata%29%20and%20factors%20involved%20in%20sustainability%20of%20stocks%20in%20Moreton%20Bay.pdf.

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The population of the of Sillago maculata in Moreton Bay is abundant and has been fished in large quantities since 1952 by trawling. It is of fundamenta1 interest to determine how this species tolerates high levels of exploitation and remains viable. This was approached in three aspects: genetic characteristics,biological status, and whiting fisheries.
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Larsen, Genevieve Ruth. "Modelling hydrodynamic processes within Pumicestone Passage, Northern Moreton Bay, Queensland." Thesis, Queensland University of Technology, 2007. https://eprints.qut.edu.au/16634/1/Genevieve_Larsen_Thesis.pdf.

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Estuaries can be considered as vital natural resources and are unique ecosystems at the interface between terrestrial and marine environments. The increase of population density centred on these coastal features and associated anthropogenic activities such as trade, industry, agriculture and recreation can adversely affect these sensitive environments. The Pumicestone Passage, located in northern Moreton Bay, Australia, is one such estuarine environment where there are concerns about degradation of water quality resulting from rapid land use change. These changes are both immediate to the Passage and within its wider catchment. Of notable concern are the outbreaks of Lyngbya (a toxic blue-green algae) in the Passage itself and near its interface with Deception Bay to the south. Other factors of concern are increased suspended and dissolved loads, and maintenance of ecosystem integrity. In this study, numerical modelling, graphical methods and water surface elevation and current velocity parameter calculations are used to describe hydrological processes in the Pumicestone Passage. A hydrodynamic model is developed using the modelling software SMS and RMA2 as a foundation for future hydrodynamic and water quality modelling. In addition, observed data are used to interpret general hydrodynamic behaviour in the passage, and determine various parameters for use in model development and calibration. Tidal prediction is also discussed and used for model calibration. To support the modelling and for preliminary interpretation of hydrodynamic processes within the Passage, measurements were made in the field of (a) water surface elevation variation at 17 sites; (b) tidal current velocities in four of the tributary creeks and at the northern boundary; (c) volumetric flow rates at two cross-sections within the Passage; and (d) cross-sectional bathymetry at sites where tidal current velocities were measured in the creeks. In general, examination of the observational data reveals a number of important processes in the Pumicestone Passage. Almost all sites within Pumicestone Passage and its tributaries are flood dominant indicating that tidal storage and bottom friction effects are significant. Mesotidal ranges occur at sites close to the southern boundary of the passage, however, bottom friction greatly reduces the tidal response at the remaining sites which results in microtidal ranges. The influence of both the southern and northern tides can be seen in the deformation of tidal waveforms in the central passage. Extensive intertidal areas at and inside the northern inlet to the Passage markedly reduce tidal ranges in the northern estuary and its tributary creeks. Issues involved in hydrodynamic model development and performance are discussed. Overall, model results for the southern estuary have satisfactory correlation with observed data whereas model results for the northern estuary are less satisfactory. In addition, water surface elevation variation model results are generally more accurate than tidal current velocity model results. Reasons for the differences between model and observed values are considered and possible solutions given. Factors discussed relate to boundary condition locations, resolution of bathymetric and geographical data, mesh development methods and parameter assignment.
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Larsen, Genevieve Ruth. "Modelling hydrodynamic processes within Pumicestone Passage, Northern Moreton Bay, Queensland." Queensland University of Technology, 2007. http://eprints.qut.edu.au/16634/.

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Estuaries can be considered as vital natural resources and are unique ecosystems at the interface between terrestrial and marine environments. The increase of population density centred on these coastal features and associated anthropogenic activities such as trade, industry, agriculture and recreation can adversely affect these sensitive environments. The Pumicestone Passage, located in northern Moreton Bay, Australia, is one such estuarine environment where there are concerns about degradation of water quality resulting from rapid land use change. These changes are both immediate to the Passage and within its wider catchment. Of notable concern are the outbreaks of Lyngbya (a toxic blue-green algae) in the Passage itself and near its interface with Deception Bay to the south. Other factors of concern are increased suspended and dissolved loads, and maintenance of ecosystem integrity. In this study, numerical modelling, graphical methods and water surface elevation and current velocity parameter calculations are used to describe hydrological processes in the Pumicestone Passage. A hydrodynamic model is developed using the modelling software SMS and RMA2 as a foundation for future hydrodynamic and water quality modelling. In addition, observed data are used to interpret general hydrodynamic behaviour in the passage, and determine various parameters for use in model development and calibration. Tidal prediction is also discussed and used for model calibration. To support the modelling and for preliminary interpretation of hydrodynamic processes within the Passage, measurements were made in the field of (a) water surface elevation variation at 17 sites; (b) tidal current velocities in four of the tributary creeks and at the northern boundary; (c) volumetric flow rates at two cross-sections within the Passage; and (d) cross-sectional bathymetry at sites where tidal current velocities were measured in the creeks. In general, examination of the observational data reveals a number of important processes in the Pumicestone Passage. Almost all sites within Pumicestone Passage and its tributaries are flood dominant indicating that tidal storage and bottom friction effects are significant. Mesotidal ranges occur at sites close to the southern boundary of the passage, however, bottom friction greatly reduces the tidal response at the remaining sites which results in microtidal ranges. The influence of both the southern and northern tides can be seen in the deformation of tidal waveforms in the central passage. Extensive intertidal areas at and inside the northern inlet to the Passage markedly reduce tidal ranges in the northern estuary and its tributary creeks. Issues involved in hydrodynamic model development and performance are discussed. Overall, model results for the southern estuary have satisfactory correlation with observed data whereas model results for the northern estuary are less satisfactory. In addition, water surface elevation variation model results are generally more accurate than tidal current velocity model results. Reasons for the differences between model and observed values are considered and possible solutions given. Factors discussed relate to boundary condition locations, resolution of bathymetric and geographical data, mesh development methods and parameter assignment.
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Eslami-Andargoli, Leila. "Spatial Change in Subtropical Queensland Mangrove Distribution Related to Landscape and Rainfall Patterns." Thesis, Griffith University, 2011. http://hdl.handle.net/10072/365787.

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In eastern Australia, the changing patterns of mangrove distribution are commonly associated with upslope encroachment into saltmarsh. This phenomenon could be related to climate change (e.g., change in precipitation, CO2 concentrations and sea-levels), as the result of human-induced changes in the wetlands and surrounding landscape or due to the interactions among these factors. This thesis investigated relationships between rainfall, land use, and landscape structure of selected wetlands in northern Moreton Bay, Queensland, Australia, from 1972 to 2004 over multiple temporal and spatial scales through the use of remote sensing, GIS and statistical analysis. To assess the relationship between rainfall patterns and the spatial distribution of mangrove forests, periods of relatively consistent rainfall patterns were identied using the non-parametric Pettitt-Mann-Whitney-Statistic and the Cumulative Sum technique. This identied change-points in rainfall distribution and these were then used to dene the temporal periods over which changes to mangrove area were assessed. Historical aerial photos acquired in 1972, 1990 (the year at which there was the most signicant change-point in rainfall pattern), and 2004 were used to estimate the rate of expansion (gross increase) and change (net increase) in mangrove spatial extent for the wetter period (pre- 1990) and the drier period (post-1990). A signicant positive relationship was demonstrated between rainfall variables and landward mangrove expansion and change. A Mangrove-Saltmarsh Interface (MSI) index, which was developed as part of this research, quantied the relative opportunity for mangrove to expand into saltmarshes, based on the shared boundary between them. There was a consistent relationship between the MSI and mangrove spatial change. The data for land use/cover at three spatial scales (catchment, sub-catchment, and land adjacent to wetlands) were derived from Landsat satellite imagery for the study area. Also, human population density has been estimated. The results indicate that the contribution of landscape variables (land use/cover and population density) to spatial changes in mangroves at each spatial scale is aected by the rainfall pattern. The research also indicates that there is a scale-dependent eect of development on mangrove spatial change during wet and dry periods. Integrating the results of investigations into the relation between the mangrovesaltmarsh interface (MSI) index, rainfall, land use/cover and population density with mangrove spatial change led to comprehensive models explaining mangrove expansion and change in the inter-tidal coastal wetland of northern Moreton Bay, south east Queensland. Findings from this study have shown that a combination of natural and anthropogenic factors was related to the distribution of mangroves at the local scale. Rainfall appeared to be the driving variable in the system and determined the scale at which anthropogenic factors aect mangroves. The contribution of environmental variables to mangrove spatial dynamics varied in accordance with rainfall patterns. With the potential effects of climate change on rainfall and sea-levels, this research has identied an approach that may assist in identifying and understanding related changes in mangrove distribution.
Thesis (PhD Doctorate)
Doctor of Philosophy (PhD)
Griffith School of Environment
Science, Environment, Engineering and Technology
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Barker, Tanuja. "An exploratory cross-cultural comparative study of Moreton Bay fisheries management /." [St. Lucia, Qld.], 2001. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe16315.pdf.

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Brady, James P. "Heavy metals in the sediments of Northern Moreton Bay, Queensland, Australia." Thesis, Queensland University of Technology, 2015. https://eprints.qut.edu.au/89686/6/89686%28thesis%29.pdf.

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This project was the first comprehensive assessment of heavy metals to be conducted in the sediments of Northern Moreton Bay since the 1970s and found that shipping and shipping related activities contributed significantly to the level of sediment contamination in the area. The study was also used to develop and test new methods of assessing heavy metal sediment quality.
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Yu, Yingying. "Numerical Study of the Brisbane River Plume in Moreton Bay, Australia." Thesis, Griffith University, 2011. http://hdl.handle.net/10072/365899.

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Coastal rivers that discharge freshwater, with sediment and nutrients, into the ocean often generate a buoyant river plume in the vicinity of the river mouth. The river plume, driven by river floods, has become a significant environmental issue, which may be increasing in occurrence and severity as a consequence of climate change. The excess runoff created by floods has the capacity to carry a large amount of sediment and contaminants from land-based human activities into the coastal and shelf waters. The purpose of this research was to examine the dynamic and transport characteristics of the Brisbane River plume using a numerical model. It also sought to answer the following questions: 1) What is the seasonal behaviour of the Brisbane River plume, particularly during flood seasons, and 2) What are the impacts of external forces acting on the Brisbane River plume? It is anticipated that the knowledge gained from this research will promote a better understanding of the Brisbane River plume behaviour in Moreton Bay.
Thesis (Masters)
Master of Philosophy (MPhil)
Griffith School of Engineering
Science, Environment, Engineering and Technology
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Wassenberg, Theodore John. "Fate of selected species of the by-catch from prawn trawlers in Moreton Bay, Queensland." Thesis, Queensland University of Technology, 1987. https://eprints.qut.edu.au/35933/1/35933_Wassenberg_1987.pdf.

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Studies of the fate of discarded by-catch were carried out in the Moreton bay prawn trawl fishery between September 1983 and March 1986. These studies included the determination of the by-catch biomass composition as well as assessing the impact of trawling and various handling times on damage and mortality. The by-catch was made up of 52% Crustacea, 15% elasmobranchs, 8% bony fish, 18% chinoderms, 3% cephalopods and 4% debris by weight. Portunus elagicus represented ~5% of the crustacean biomass and the lpheids nearly 2.0% and of the bony fishes, cardinal fish represented 13%, winter whiting 7%, and the flounders 5%. Trawls in the Moreton Bay fishery are of about 60 minutes and require about 20 minutes to sort. Times recorded for trawl duration and sorting over the study averaged 65.8 min and 23.3 min respectively. Short term survival of Crustacea was high (about 85%) while survival of bony fish was variable (from 20% to 70%) between species. A study of the fate of discards that reach the seabed showed that Portunus pelagicus was the most common scavenger attracted to the bait; followed by several bony fish species (11%) (n = 881 photographs). No prawns were observed at any of the simulated discards. A comparative analysis of foregut contents of sand crabs (P. pelagicus) and two penaeid prawn species (Penaeus plebejus and P. esculentus) showed that the penaeid prawns do not feed on trawler discards but that the sand crabs had fed on discards (33% by weight of their diet). Measurement of the rate of scavenging of discards on the seabed showed that benthic scavengers were capable of consuming up to 11 g of fish per linear metre per hour. The amounts of discards that are partitioned to seabirds (terns, gulls and cormorants) and dolphins were estimated. Fish discarded into the sea separate into a floating group and a sinking group. Size was important in determining the fate of discarded fish. Fish less than 100 mm long were generally taken by terns and gulls (34% of fish biomass) while fish greater than 100 mm were eaten by dolphins (41%) and cormorants (15%) and the rest (10%) sink. Crustacea were not eaten by birds or dolphins. A model of the fate of prawn trawler discards is presented with quantified pathways. This model shows that energy, in the form of discarded fish, is removed from the Moreton Bay benthic biomass and some ecological consequences of this are discussed. This study has shown that earlier models and ideas about the fate of prawn trawler discards are misleading.
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Bailey, Clare L. "Mathematical modelling of shallow water flows with application to Moreton Bay, Brisbane." Thesis, Loughborough University, 2010. https://dspace.lboro.ac.uk/2134/6335.

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A finite volume, shock-capturing scheme is used to solve the shallow water equations on unstructured triangular meshes. The conditions are characterised by: slow flow velocities (up to 1m/s), long time scale (around 10 days), and large domains (50-100km across). Systematic verification is carried out by comparing numerical with analytical results, and by comparing parameter variation in the numerical scheme with perturbation analysis, and good agreement is found. It is the first time a shock-capturing scheme has been applied to slow flows in Moreton Bay. The scheme is used to simulate transport of a pollutant in Moreton Bay, to the east of the city of Brisbane, Australia. Tidal effects are simulated using a sinusoidal time-dependent boundary condition. An advection equation is solved to model the path of a contaminant that is released in the bay, and the effect of tide and wind on the contaminant is studied. Calibration is done by comparing numerical results with measurements made at a study site in Moreton Bay. It is found that variation in the wind speed and bed friction coefficients changes the solution in the way predicted by the asymptotics. These results vary according to the shape of the bathymetry of the domain: in shallower areas, flow is more subject to shear and hence changes in wind speed or bed friction had a greater effect in adding energy to the system. The results also show that the time-dependent boundary condition reproduces the tidal effects that are found on the Queensland coast, i.e. semi-diurnal with amplitude of about 1 metre, to a reasonable degree. It is also found that the simulated path of a pollutant agrees with field measurements. The computer model means different wind speeds and directions can be tested which allows management decisions to be made about which conditions have the least damaging effect on the area.
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Books on the topic "Moreton Bay"

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O'Keeffe, Mamie. The Moreton Bay penal settlement, 1824-1839. [Brisbane, Qld.]: John Oxley Library, 1988.

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Eastgate, Marianne. Miscellaneous records of the Moreton Bay Region, 1855-59. [Brisbane]: Queensland Family History Society, 1999.

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Lawler, Wayne. Wader roost construction in Moreton Bay: A feasibility study into the construction of migratory wader (shorebird) high tide roosts in Moreton Bay, Qld., using Raby Bay as a case study. [Queensland]: Queensland Dept. of Natural Resources, 1995.

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Eastgate, Marianne. Name directory of the Moreton Bay Region of New South Wales, 1854-55. [Brisbane: Family History Society, 1985.

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Davie, Peter. Wild guide to Moreton Bay: Wildlife and habitats of a beautiful Australian coast - Noosa to the Tweed. South Brisbane, Australia: Queensland Museum, 1998.

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Juan, Vicedo, ed. El conde Lucanor. 2nd ed. Alicante: Aguaclara, 1997.

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Fernando, Gómez Redondo, ed. Libro del conde Lucanor. Madrid: Castalia, 1987.

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El conde Lucanor. Barcelona: Crítica, 1994.

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A, England John B., ed. El conde Lucanor: A collection of mediaeval Spanish stories. Warminster: Aris & Phillips, 1987.

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Reinaldo, Ayerbe-Chaux, and Deyermond A. D, eds. Libro del conde Lucanor. Madrid: Alhambra, 1985.

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Book chapters on the topic "Moreton Bay"

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Dunn, Ryan J. K., Nathan J. Waltham, Nathan P. Benfer, Brian A. King, Charles J. Lemckert, and Sasha Zigic. "Gold Coast Broadwater: Southern Moreton Bay, Southeast Queensland (Australia)." In Estuaries of the World, 93–109. Dordrecht: Springer Netherlands, 2013. http://dx.doi.org/10.1007/978-94-007-7019-5_6.

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Howard, Tanya M., Theodore R. Alter, Paloma Z. Frumento, and Lyndal J. Thompson. "Case Study: Mount Mee Wild Dog Program—Moreton Bay Shire, Queensland." In Community Pest Management in Practice, 167–78. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-2742-1_18.

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O’Neil, Judith M., and William C. Dennison. "Discerning the Causes of Toxic Cyanobacteria (Lyngbya majuscula) Blooms in Moreton Bay, Australia." In Aquatic Microbial Ecology and Biogeochemistry: A Dual Perspective, 261–72. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-30259-1_21.

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Gibbes, Badin, Alistair Grinham, David Neil, Andrew Olds, Paul Maxwell, Rod Connolly, Tony Weber, Nicola Udy, and James Udy. "Moreton Bay and Its Estuaries: A Sub-tropical System Under Pressure from Rapid Population Growth." In Estuaries of the World, 203–22. Dordrecht: Springer Netherlands, 2013. http://dx.doi.org/10.1007/978-94-007-7019-5_12.

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Douglas, G., M. Palmer, and G. Caitcheon. "The provenance of sediments in Moreton Bay, Australia: a synthesis of major, trace element and Sr-Nd-Pb isotopic geochemistry, modelling and landscape analysis." In The Interactions between Sediments and Water, 145–52. Dordrecht: Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-017-3366-3_20.

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"Moreton-Bay Chestnut, Queensland Black Bean." In Major Flowering Trees of Tropical Gardens, 155. Cambridge University Press, 2019. http://dx.doi.org/10.1017/9781108680646.081.

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Daly, Belinda. "Pedagogy of the edge at Moreton Bay." In Diverse Pedagogies of Place, 154–71. Routledge, 2017. http://dx.doi.org/10.4324/9781315695389-8.

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Dennison, W. C., T. J. B. Carruthers, J. E. Thomas, and P. M. Glibert. "A Comparison of Issues and Management Approaches in Moreton Bay, Australia and Chesapeake Bay, USA." In Wetlands Ecosystems in Asia, 3–25. Elsevier, 2004. http://dx.doi.org/10.1016/b978-044451691-6/50004-1.

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Duke, James A. "Castanospermum Australe A.Cunn. et Fras. (FABACEAE) — Moreton Bay Chestnut, Black Bean Tree." In CRC Handbook of Nuts, 93–95. CRC Press, 2018. http://dx.doi.org/10.1201/9781351071130-36.

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Duke, James A. "CASTANOSPERMUM AUSTRALE A.Cunn. et Fras. (FABACEAE) — Moreton Bay Chestnut, Black Bean Tree." In Handbook of Nuts, 93–95. CRC Press, 2017. http://dx.doi.org/10.1201/9780203752685-36.

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Conference papers on the topic "Moreton Bay"

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Lyons, Mitc, Stuart R. Phinn, and Chris M. Roelfsema. "Long term monitoring of seagrass distribution in Moreton Bay, Australia, from 1972–2010 using Landsat MSS, TM, ETM+." In IGARSS 2010 - 2010 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2010. http://dx.doi.org/10.1109/igarss.2010.5651878.

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"Viability criteria for the presence of the seagrass Zostera muelleri in Moreton Bay, based on benthic light dose." In 19th International Congress on Modelling and Simulation. Modelling and Simulation Society of Australia and New Zealand (MSSANZ), Inc., 2011. http://dx.doi.org/10.36334/modsim.2011.i13.obrien.

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Hasiotis*, Stephen T., Mark Reilly, Ian Moffat, and Simon C. Lang. "The Neoichnology of the Modern Fluvial and Estuarine Sediments in Moreton Bay, Queensland, Australia: Relationships of Terrestrial, Freshwater and Marine Organisms to Physicochemical Characters of Sedimentary Systems." In International Conference and Exhibition, Melbourne, Australia 13-16 September 2015. Society of Exploration Geophysicists and American Association of Petroleum Geologists, 2015. http://dx.doi.org/10.1190/ice2015-2211572.

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Gil-Flores, Lorena, María D. Salvador, Felipe L. Penaranda-Foix, Roberto Rosa, Paolo Veronesi, Cristina Leonelli, and Amparo Borrell. "LOW TEMPERATURE DEGRADATION BEHAVIOUR OF 10Ce-TZP/Al2O3 BIOCERAMICS OBTAINED BY MICROWAVE SINTERING TECHNOLOGY." In Ampere 2019. Valencia: Universitat Politècnica de València, 2019. http://dx.doi.org/10.4995/ampere2019.2019.9887.

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Zirconia is one of the most used ceramics, especially for biomedical applications, due to its exceptional mechanical properties. However, it is commonly known that its properties can be diminished owing to a low temperature degradation (LTD). This phenomenon consists on a spontaneous phase transformation, from tetragonal to monoclinic, under certain conditions, which is accelerated when the samples are exposed under high levels of humidity at a temperature range between 20-300 ºC. In addition to the fact that the monoclinic phase presents worse mechanical properties than the tetragonal one, there is a volume change of 4% between phases that gives rise to defects in the material as microcracks. Due to this reason, zirconia prostheses failed catastrophically inside the human body between 1999 and 20011. Previous researches reveal that Al2O3 addition suppress the propagation of phase transformation2. Thus, the aim of the present work is to study the hydrothermal ageing of zirconia doped with ceria and toughened with alumina (10Ce-TZP/Al2O3) composite, which has been sintered by microwave employing two different frequencies: 2.45 and 5.8 GHz. Microwave heating technology is based on the absorption of electromagnetic radiation by the material, which allows the sample to be heated. So far, most microwave heating equipments use 2.45 GHz; accordingly, the novelty of this study is to employ a frequency of 5.8 GHz and to investigate its effect on LTD. LTD is carried out in an autoclaved in steam at 120 ºC and 1.2 bar, because these conditions accelerate the hydrothermal aging process3. In order to characterize the degraded samples, micro-Raman spectroscopy, AFM, nanoindentation technique and electronic microscopy have been performed. References 1. Norton, M. R., Yarlagadda, R., Anderson, G. H. J. Bone Joint Surg. Br., 2002, 84–B, 631–635. 2. Fabbri, P., Piconi, C., Burresi, E., Magnani, G., Mazzanti, F., Mingazzini, C. Dent. Mater., 2014. 3. Presenda, Á., Salvador, M. D., Moreno, R., Borrell, A. J. Am. Ceram. Soc., 2015, 98, 3680–3689.
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Reports on the topic "Moreton Bay"

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Swinden, H. S. Volcanogenic Sulphide Occurrences of eastern Notre Dame Bay: the Moreton's Harbour and Twillingate Areas. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1991. http://dx.doi.org/10.4095/132243.

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Edwardson, K. A., J. Shaw, B. Wile, and W. Prime. Cruise Report 91-031: CSS Navicula operations in northeastern Newfoundland coastal waters: Ming's Bight, White Bay, Moreton's Harbour, Bay of Exploits and Twillingate Harbour. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1992. http://dx.doi.org/10.4095/133299.

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Moreton Bay Savings Bank - Brisbane (Head Office) - Deposit Vouchers - No. 26 - Pritchard, Mary - 1856. Reserve Bank of Australia, March 2021. http://dx.doi.org/10.47688/rba_archives_2006/20691.

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Moreton Bay Savings Bank - Brisbane (Head Office) - Deposit Vouchers - No. 1 Mayne, Isaac - 1856. Reserve Bank of Australia, March 2021. http://dx.doi.org/10.47688/rba_archives_2006/20686.

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Moreton Bay Savings Bank - Brisbane (Head Office) - Deposit Vouchers - No.5 Stanmore, John George - 1858. Reserve Bank of Australia, March 2021. http://dx.doi.org/10.47688/rba_archives_2006/20689.

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Moreton Bay Savings Bank - Brisbane (Head Office) - Depositors Ledger - Accounts Nos. 1808-1811 - 1863-1864. Reserve Bank of Australia, March 2021. http://dx.doi.org/10.47688/rba_archives_2006/20684.

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Moreton Bay Savings Bank - Brisbane (Head Office) - Deposit Vouchers - No. 807 Campbell, Archibald - leaf from Pass Book filed by Bank as Deposit Voucher - 1862-1864. Reserve Bank of Australia, March 2021. http://dx.doi.org/10.47688/rba_archives_2006/20695.

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Moreton Bay Savings Bank - Brisbane (Head Office) - Pass Book of Account with The Australian Joint Stock Bank - No. 561. Includes Bank's Expenditure Account for 1857 - 1856-1857. Reserve Bank of Australia, March 2021. http://dx.doi.org/10.47688/rba_archives_2006/20679.

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Moreton Bay Savings Bank - Brisbane (Head Office) - Specimen Forms - Pass Book - includes names of President, Trustees & Managing Trustee, hours of business, rules & regulations, and legislation - 1863. Reserve Bank of Australia, March 2021. http://dx.doi.org/10.47688/rba_archives_2006/20681.

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Monetary Policy Report - July 2022. Banco de la República, October 2022. http://dx.doi.org/10.32468/inf-pol-mont-eng.tr3-2022.

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In the second quarter, annual inflation (9.67%), the technical staff’s projections and its expectations continued to increase, remaining above the target. International cost shocks, accentuated by Russia's invasion of Ukraine, have been more persistent than projected, thus contributing to higher inflation. The effects of indexation, higher than estimated excess demand, a tighter labor market, inflation expectations that continue to rise and currently exceed 3%, and the exchange rate pressures add to those described above. High core inflation measures as well as in the producer price index (PPI) across all baskets confirm a significant spread in price increases. Compared to estimates presented in April, the new forecast trajectory for headline and core inflation increased. This was partly the result of greater exchange rate pressure on prices, and a larger output gap, which is expected to remain positive for the remainder of 2022 and which is estimated to close towards yearend 2023. In addition, these trends take into account higher inflation rate indexation, more persistent above-target inflation expectations, a quickening of domestic fuel price increases due to the correction of lags versus the parity price and higher international oil price forecasts. The forecast supposes a good domestic supply of perishable foods, although it also considers that international prices of processed foods will remain high. In terms of the goods sub-basket, the end of the national health emergency implies a reversal of the value-added tax (VAT) refund applied to health and personal hygiene products, resulting in increases in the prices of these goods. Alternatively, the monetary policy adjustment process and the moderation of external shocks would help inflation and its expectations to begin to decrease over time and resume their alignment with the target. Thus, the new projection suggests that inflation could remain high for the second half of 2022, closing at 9.7%. However, it would begin to fall during 2023, closing the year at 5.7%. These forecasts are subject to significant uncertainty, especially regarding the future behavior of external cost shocks, the degree of indexation of nominal contracts and decisions made regarding the domestic price of fuels. Economic activity continues to outperform expectations, and the technical staff’s growth projections for 2022 have been revised upwards from 5% to 6.9%. The new forecasts suggest higher output levels that would continue to exceed the economy’s productive capacity for the remainder of 2022. Economic growth during the first quarter was above that estimated in April, while economic activity indicators for the second quarter suggest that the GDP could be expected to remain high, potentially above that of the first quarter. Domestic demand is expected to maintain a positive dynamic, in particular, due to the household consumption quarterly growth, as suggested by vehicle registrations, retail sales, credit card purchases and consumer loan disbursement figures. A slowdown in the machinery and equipment imports from the levels observed in March contrasts with the positive performance of sales and housing construction licenses, which indicates an investment level similar to that registered for the first three months of the year. International trade data suggests the trade deficit would be reduced as a consequence of import levels that would be lesser than those observed in the first quarter, and stable export levels. For the remainder of the year and 2023, a deceleration in consumption is expected from the high levels seen during the first half of the year, partially as a result of lower repressed demand, tighter domestic financial conditions and household available income deterioration due to increased inflation. Investment is expected to continue its slow recovery while remaining below pre-pandemic levels. The trade deficit is expected to tighten due to projected lower domestic demand dynamics, and high prices of oil and other basic goods exported by the country. Given the above, economic growth in the second quarter of 2022 would be 11.5%, and for 2022 and 2023 an annual growth of 6.9% and 1.1% is expected, respectively. Currently, and for the remainder of 2022, the output gap would be positive and greater than that estimated in April, and prices would be affected by demand pressures. These projections continue to be affected by significant uncertainty associated with global political tensions, the expected adjustment of monetary policy in developed countries, external demand behavior, changes in country risk outlook, and the future developments in domestic fiscal policy, among others. The high inflation levels and respective expectations, which exceed the target of the world's main central banks, largely explain the observed and anticipated increase in their monetary policy interest rates. This environment has tempered the growth forecast for external demand. Disruptions in value chains, rising international food and energy prices, and expansionary monetary and fiscal policies have contributed to the rise in inflation and above-target expectations seen by several of Colombia’s main trading partners. These cost and price shocks, heightened by the effects of Russia's invasion of Ukraine, have been more prevalent than expected and have taken place within a set of output and employment recovery, variables that in some countries currently equal or exceed their projected long-term levels. In response, the U.S. Federal Reserve accelerated the pace of the benchmark interest rate increase and rapidly reduced liquidity levels in the money market. Financial market actors expect this behavior to continue and, consequently, significantly increase their expectations of the average path of the Fed's benchmark interest rate. In this setting, the U.S. dollar appreciated versus the peso in the second quarter and emerging market risk measures increased, a behavior that intensified for Colombia. Given the aforementioned, for the remainder of 2022 and 2023, the Bank's technical staff increased the forecast trajectory for the Fed's interest rate and reduced the country's external demand growth forecast. The projected oil price was revised upward over the forecast horizon, specifically due to greater supply restrictions and the interruption of hydrocarbon trade between the European Union and Russia. Global geopolitical tensions, a tightening of monetary policy in developed economies, the increase in risk perception for emerging markets and the macroeconomic imbalances in the country explain the increase in the projected trajectory of the risk premium, its trend level and the neutral real interest rate1. Uncertainty about external forecasts and their consequent impact on the country's macroeconomic scenario remains high, given the unpredictable evolution of the conflict between Russia and Ukraine, geopolitical tensions, the degree of the global economic slowdown and the effect the response to recent outbreaks of the pandemic in some Asian countries may have on the world economy. This macroeconomic scenario that includes high inflation, inflation forecasts, and expectations above 3% and a positive output gap suggests the need for a contractionary monetary policy that mitigates the risk of the persistent unanchoring of inflation expectations. In contrast to the forecasts of the April report, the increase in the risk premium trend implies a higher neutral real interest rate and a greater prevailing monetary stimulus than previously estimated. For its part, domestic demand has been more dynamic, with a higher observed and expected output level that exceeds the economy’s productive capacity. The surprising accelerations in the headline and core inflation reflect stronger and more persistent external shocks, which, in combination with the strength of aggregate demand, indexation, higher inflation expectations and exchange rate pressures, explain the upward projected inflation trajectory at levels that exceed the target over the next two years. This is corroborated by the inflation expectations of economic analysts and those derived from the public debt market, which continued to climb and currently exceed 3%. All of the above increase the risk of unanchoring inflation expectations and could generate widespread indexation processes that may push inflation away from the target for longer. This new macroeconomic scenario suggests that the interest rate adjustment should continue towards a contractionary monetary policy landscape. 1.2. Monetary policy decision Banco de la República’s Board of Directors (BDBR), at its meetings in June and July 2022, decided to continue adjusting its monetary policy. At its June meeting, the BDBR decided to increase the monetary policy rate by 150 basis points (b.p.) and its July meeting by majority vote, on a 150 b.p. increase thereof at its July meeting. Consequently, the monetary policy interest rate currently stands at 9.0% . 1 The neutral real interest rate refers to the real interest rate level that is neither stimulative nor contractionary for aggregate demand and, therefore, does not generate pressures that lead to the close of the output gap. In a small, open economy like Colombia, this rate depends on the external neutral real interest rate, medium-term components of the country risk premium, and expected depreciation. Box 1: A Weekly Indicator of Economic Activity for Colombia Juan Pablo Cote Carlos Daniel Rojas Nicol Rodriguez Box 2: Common Inflationary Trends in Colombia Carlos D. Rojas-Martínez Nicolás Martínez-Cortés Franky Juliano Galeano-Ramírez Box 3: Shock Decomposition of 2021 Forecast Errors Nicolás Moreno Arias
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