Palaeoclimate reconstruction and age assessment of the Miocene flora from the Trwyn y Parc solution pipe complex of Anglesey, Wales, UK

Pound, Matthew J.; McCoy, Jessica

doi:10.1080/01916122.2021.1916636

Cited by 4 publications

(11 citation statements)

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“…CREST and CRACLE significantly improve on the error from previous paleovegetation methods while integrating community data to help mitigate the effects of mixed floral assemblages and address some other methodological issues of the Co‐existence Approach (Grimm & Potts, 2016). Co‐existence Approach reconstructions for Trwyn y Parc and the Brassington Formation come from Pound and McCoy (2021) and Pound and Riding (2016) respectively. Co‐existence Approach reconstructions for the Coralline Crag and Red Crag formations were determined for this study.…”

Section: Methodsmentioning

confidence: 99%

“…The original pollen and spore taxa list of Walsh et al. (1996) was updated by Pound and McCoy (2021) who also applied the Co‐existence Approach to reconstruct paleoclimate. This updated taxa list and the Co‐existence Approach results are used in this study.…”

Section: Methodsmentioning

confidence: 99%

“…Terrestrial climates have previously been reconstructed for the UK using the Co‐existence Approach (Pound & McCoy, 2021; Pound & Riding, 2016; Pound, Riding, et al., 2012). These results imply limited cooling from the Langhian of Trwyn y Parc to the Serravallian of the Brassington Formation (Pound & McCoy, 2021; Pound & Riding, 2016). This was tentatively interpreted as being the result of a tempering influence from a warm North Atlantic current (Denk et al., 2013; Pound & McCoy, 2021).…”

Section: Introductionmentioning

confidence: 99%

“…Onshore Miocene deposits in the UK are limited to solution hollows, an outlier and weathered residues. The oldest dated sediments come from the solution pipe fills at Trwyn y Parc in Anglesey (Walsh et al., 1996) which have recently been reassigned to a Middle Miocene, possibly Langhian age (Pound & McCoy, 2021). The Brassington Formation, a succession of terrestrial sands, gravels and clays infilling karstic cavities in the southern part of the Lower Carboniferous Peak Limestone Group outcrop of the Peak District of Serravallian to Tortonian age (Pound & Riding, 2016; Walsh et al., 2018), is the most extensive onshore Miocene deposit in the UK.…”

Section: Introductionmentioning

confidence: 99%

“… Stratigraphy of UK Neogene deposits and their geographical distribution. (1) Trwyn y Parc solution pipe fill (Pound & McCoy, 2021; Walsh et al., 1996); (2) Brassington Formation, Kenslow Member 1, 2 and 3 (Pound & Riding, 2016; Pound, Riding, et al., 2012); (3) Coralline Crag Formation, Ramsholt Member (King, 2016; Vignols et al., 2019); (4) Red Crag Formation at Walton‐on‐the‐Naze (Head, 1998; King, 2016). …”

Section: Introductionmentioning

confidence: 99%

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Reconstructing Terrestrial Paleoclimates: A Comparison of the Co‐Existence Approach, Bayesian and Probability Reconstruction Techniques Using the UK Neogene

Gibson

McCoy

O’Keefe

et al. 2022

Paleoceanog and Paleoclimatol

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Little is known about the development of the modern oceanic climate regime of northwest Europe in deep time. During the Neogene (23.03-2.588 Ma), the British Isles had a unique location on the northwest edge of the Eurasian continent forming a peninsula separating the Atlantic Ocean from the North Sea (Harzhauser & Piller, 2007). Neogene sediments of the UK are therefore ideal for understanding the development of Neogene oceanic climates.The modern European climate experiences a prevalence of the westerlies in winter with summer climates being highly latitudinally diverse. Western coastal areas, such as the UK, experience an oceanic, or maritime, climate with highly latitudinally diverse summer climates relative to southern Europe with its Mediterranean climate and dry summers and the subhumid-semi-arid continental climate of eastern Europe (Rohli & Vega, 2008;Vines, 1985). However, during the late Middle Miocene (Serravallian, 13.82-11.62 Ma) summer precipitation patterns suggest Europe was instead dominated by a trade wind system flowing from the northeast to southwest, whilst the Late Miocene was controlled by the westerlies (Böhme, 2004;Quan et al., 2014). However, much of this work is based upon the central European basins and does not, potentially, reflect terrestrial environments with a strong oceanic control. In addition, the majority of terrestrial paleoclimate reconstructions are generated through the Co-existence Approach (Burls et al., 2021;Utescher et al., 2014). Whilst this has given us unprecedented understanding of terrestrial climate development (e.g., Utescher et al., 2017), the reconstruction of a Abstract Neogene sediments in the UK are ideally situated for understanding the early development of hydrological dynamics and atmospheric circulation that led to the modern oceanic climate of northwest Europe. Onshore Neogene fossiliferous deposits in the UK are limited to the solution pipe fills at Trwyn y Parc in Anglesey (Middle Miocene), the Brassington Formation of Derbyshire (Serravallian-Tortonian), and the Coralline Crag Formation (latest Zanclean-earliest Piacenzian) and Red Crag Formation (Piacenzian-Gelasian) in southeast England. Palynoflora from these localities can be used to provide snapshots into the climate at the time of deposition, however, palaeobotanical-based reconstructions are typically lacking in their poor estimation of error. Therefore, we present the first pre-Quaternary application of two terrestrial climate reconstruction techniques: CREST (Climate Reconstruction SofTware) and CRACLE (Climate Reconstruction Analysis using Coexistence Likelihood Estimation), that use Bayesian and likelihood estimation probability respectively to generate a new palaeoclimate reconstruction, and compare this to Co-existence Approach reconstructions from the UK and continental Europe. Our study shows how Mean Annual Temperature (MAT) declines by 3°-6°C, Mean Annual Precipitation (MAP) declines by 480-600 mm and Precipitation Seasonality approximately halves throughout the Neogene. CREST and ...

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%