Sea level and storm control on the evolution of a chenier plain, Firth of Thames, New Zealand

Dougherty, Amy; Dickson, Mark E.

doi:10.1016/j.margeo.2012.03.003

Cited by 38 publications

(31 citation statements)

References 31 publications

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“…A possible alternative contributing factor is late Holocene sea level fluctuations, a continent-wide phenomenon not previously closely identified with Australian chenier ridges (e.g., Chappell and Grindrod, 1984;Lees, 1987;Horne, 2011). The possibility of a role for late Holocene sea level changes in chenier plain development has been considered in other chenier plain studies globally (e.g., Dougherty and Dickson, 2012;McBride et al, 2007;Rodríguez-Ramírez and Yáñez-Camacho, 2008). In addition to this, Horne et al's (2014) results indicate that chenier ridge building events in Australia are unlikely to have been driven solely by localised processes, and that continental or global scale drivers -with late Holocene sea level fluctuations suggested as the most likely candidate -were at least partly responsible.…”

Section: Discussionmentioning

confidence: 98%

“…Information gained from dating ridges in a chenier plain can contribute to knowledge of palaeoenvironmental changes. Globally, several competing models incorporating both intrinsic and extrinsic controls have been put forward to explain the development of chenier plains (e.g., Anthony, 2006;Augustinus, 1989;Chappell and Grindrod, 1984;Dougherty and Dickson, 2012;Lees, 1987;McBride et al, 2007;Rhodes et al, 1980). Chenier ridges and chenier plains have been studied at a multitude of sites around the Australian coastline (Horne, 2011;Horne et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

“…In turn, this may inform new knowledge about palaeoenvironmental changes and provide an avenue for incorporating chenier plain development knowledge into more general models of coastal behaviour. This appears to be occurring in other parts of the world where contemporary chenier plain studies are utilising luminescence techniques and improved palaeoenvironmental knowledge to develop a more comprehensive understanding of chenier plain morphodynamics (e.g., Dougherty and Dickson, 2012).…”

Section: Introductionmentioning

confidence: 99%

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The development of the Princess Charlotte Bay chenier plain: New results and insights

et al. 2015

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Section: Discussionmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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The development of the Princess Charlotte Bay chenier plain: New results and insights

et al. 2015

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“…Shell ridge wetlands are found in flood plains on the coast of North America (Gosselink, 1979;Gabrey and Afton, 2001;Draut et al, 2005), the Suriname coastal plains (Augustinus, 1989), the deltas of the Thames in New Zealand (Dougherty and Dickson, 2012), and the Mekong River in Vietnam (Ha et al, 2012). Shell ridge wetland ecosystems also exist on the silty and muddy coastal plains of North and East China (Wang and van Strydonck, 1997).…”

Section: Introductionmentioning

confidence: 99%

Vegetation pattern in shell ridge island in China’s Yellow River Delta

Zhao

Liu

et al. 2015

Front. Earth Sci.

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In general, coastal habitat conditions are extremely harsh, with the ecological equilibrium inextricably related to the plant community. Understanding the natural vegetation features of a coastal zone with little human disturbance could provide a reference for future vegetation restoration and ecosystem maintenance services. In this study, the vegetation patterns of Wangzi Shell Ridge Island in the Yellow River Delta were investigated. A total of 35 taxa of vascular plants were documented, representing 15 families and 33 genera (of which most were mono-specific). Surveys identified only one to eight taxa in each plot. From sea to land, the vegetation showed a typical zonal distribution pattern. There was a correlation between the landform and important factors that influenced the plants including soil factors and distance from the sea. Thus, the taxa distribution and vegetation had a significant correlation with landform. The dune crest, backdune and interdune lowlands were areas with weak storm surges and were the important locations for the taxa to be become established. Plants along the high-tide line formed important defenses from large waves and high winds. The significant protection provided a suitable living environment for many organisms with high medicinal value. Special attention and protection could be provided to this area by reducing the use of the beach road and enclosing the complete section from sea to land with a protective fence. In addition, vegetation protection and restoration on Shell Ridge Island would aid in the formulation and implementation of reintroduction strategies for similar vegetation in similar habitats.

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“…This younger age is important to understand the change in evolution within the context of the regional setting. In the last millennium three major events could have impacted the 10 coastline: (1) the arrival of Maori people (Wilmshurst et al, 2008), (2) sea-level stopped dropping from a mid-Holocene highstand (Dougherty and Dickson, 2012), and (3) a large tsunami struck the area (Nichol et al, 2004).…”

mentioning

confidence: 99%

Technical note: Optimizing the utility of combined GPR, OSL, and LiDAR (GOaL) to extract paleoenvironmental records and decipher shoreline evolution

Dougherty¹,

Choi²,

Turney³

et al. 2018

Preprint

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Abstract. Records of past sea levels, storms, and their impacts on coastline are crucial in forecasting future changes resulting from anthropogenic global warming. Coastal barriers that have prograded over the Holocene preserve within their accreting sands history of storm erosion and changes in sea level. High-resolution geophysics, geochronology, and remote sensing techniques offer an optimal way to extract these records and decipher shoreline evolution: Light Detection and Ranging (LiDAR) images the lateral extent of relict shoreline dune morphology; Ground Penetrating Radar (GPR) data 15 records paleo-dune, beach and nearshore stratigraphy; Optically Stimulated Luminescence (OSL) dates when sand grains were deposited that form these shorelines. Utilization of these technological advances has recently become more prevalent in coastal research. The resolution and sensitivity of these methods offer unique insights on coastal environments and their relationship to past climate change. However, discrepancies in analysis and presentation of the data can result in erroneous interpretations. When utilized correctly on prograded barriers these methods (independently or in various combinations) 20 have produced storm records, constructed sea-level curves, quantified sediment budgets, and deciphered coastal evolution.Therefore, combining the application of GPR, OSL, and LiDAR (GOaL) on one prograded barrier has the potential to generate detailed records of storms, sea level, and sediment supply for that coastline. Obtaining this GOaL hat-trick can provide valuable insights into how these three factors influenced past and future barrier evolution. Here we argue that systematically achieving GOaL hat-tricks on some of the 300+ prograded barriers worldwide would allow us to disentangle 25 local patterns of sediment supply from regional effects of storms or global changes in sea level, allowing direct comparison to climate proxy records. To fully realize this aim requires standardization of methods to optimize results. The impetus for this initiative is to establish a framework for consistent data analysis that maximizes the potential of GOaL to contribute to climate change research and assist coastal communities in mitigating future impacts of global warming.Clim. Past Discuss., https://doi

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Sea level and storm control on the evolution of a chenier plain, Firth of Thames, New Zealand

Cited by 38 publications

References 31 publications

The development of the Princess Charlotte Bay chenier plain: New results and insights

The development of the Princess Charlotte Bay chenier plain: New results and insights

Vegetation pattern in shell ridge island in China’s Yellow River Delta

Technical note: Optimizing the utility of combined GPR, OSL, and LiDAR (GOaL) to extract paleoenvironmental records and decipher shoreline evolution

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