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Academic literature on the topic 'Palaeoenvironment'

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Published: 4 June 2021
Last updated: 25 May 2024

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Journal articles on the topic "Palaeoenvironment"

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Xu, Zheng Qi, Hao Song, and Cheng Jiang Zhang. "Application of γ Spectra Measurement in the Research of Lake Sediment and Palaeoenvironment." Advanced Materials Research 807-809 (September 2013): 1676–81. http://dx.doi.org/10.4028/www.scientific.net/amr.807-809.1676.

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Xigeda Formation layer, which is widely distributed in Panzhihua area, is researched by the method of γ spectrum measurement. Qinglongshan Xigeda Formation profile is measured by the low-background multi-channelγenergy spectrometer in Panzhihua, the change rules of radioactive elements, including URa, Th, K, Ir and Ira on the profile are analyzed in detail. The characteristics and palaeoenvironmental significance of the sediment layer on the profile is researched by combining the geological features. The results show that the contents of radioactive elements in Xigeda Formation profile reduce obviously from the old to the new layer and change regularly and the radioactive characteristics are consistent to the sediment geological features. All these show that the γ spectrum method is a good one for the study of lake sediment and palaeoenvironment.
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Moore, Elizabeth, C. F. W. Higham, and R. Bannanurag. "Palaeoenvironment and Archaeology in Thailand." Journal of Biogeography 20, no. 5 (September 1993): 574. http://dx.doi.org/10.2307/2845729.

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Drake, Nicholas, Kevin White, Mustapha Salem, Simon Armitage, Ahmed El-Hawat, Jan Francke, Mark Hounslow, and Adrian Parker. "DMP VIII: Palaeohydrology and palaeoenvironment." Libyan Studies 40 (2009): 171–78. http://dx.doi.org/10.1017/s0263718900004556.

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AbstractThe January 2009 fieldwork season conducted geomorphological and palaeoenviromental surveys in as yet unexplored parts of the Lake Megafazzan Basin, as well as continuing research in the Wadi al-Hayat and Ubari Sand Sea. Lake Megafazzan sediments were investigated at two sites on the eastern margin of the basin. At the first site, east of Tamessah, 24 m of stratigraphy was investigated and found to consist of a lacustrine carbonate unit at the base progressing into a fluvial unit and then an upper carbonate unit. The sediments were sampled for magnetostratigraphy and cosmogenic nucleide dating in order to determine their age. Similar studies were undertaken in the vicinity of the Arial Agricultural Project, where 31 m of section were logged and sampled. Here the sediments were quite different, being composed of a deltaic sequence consisting of stacked channels and palaeosols, thought to represent the outflow delta of the palaeolake. Many new Holocene lake sediment deposits were discovered and sampled in the Wadi al-Hayat and the Ubari Sand Sea, including a 5 m section through Jarma Playa that appears to record the last arid-humid cycle. Lake Gabr 'Awn and the moat round Old Jarma were cored in order to gather a detailed picture of recent palaeoenvironmental change. Finally, we implemented a pilot geophysical survey to test the ability of state-of-the-art Ground Penetrating Radar (UltraGPR) technology for detecting and mapping buried palaeolake sediments under the dunes of the Ubari Sand Sea. The UltraGPR was found to be very effective, detecting palaeolake sediments as much as 60 m beneath the surface. Preliminary results suggest such sediments underlie much of the region.
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Uddandam, Prem Raj, Priya Agnihotri, Shailesh Agrawal, and Hukam Singh. "Early Eocene biotic assemblage from the sedimentary deposits of the Tarkeshwar Lignite Mine, Gujarat and its palaeoenvironmental implications." Journal of Palaeosciences 72, no. 2 (December 22, 2023): 127–39. http://dx.doi.org/10.54991/jop.2023.1864.

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The Palaeogene biota and the palaeoenvironmental history from the low latitudes are remarkably well–preserved in theopen–cast lignite deposits from Western India. Lignite sequences of the Cambay Shale Formation (Gujarat) have been a majorsource to understand the concept of early evolution of fossils including flora, arthropods, vertebrates fauna, and several aquaticforms during the Early Eocene. The study deals with an extensive record of amber inclusions and extracted pollen, vertebratefragments, dinoflagellate cysts and Carbon isotopes from the lignite and associated sediments from the Tarkeshwar Lignite Mineto add insights into the palaeoenvironment and depositional conditions of the Cambay Basin during the Early Eocene period. Thecurrent study demonstrates that throughout the late Palaeocene and early Eocene epoch, the palaeoenvironment changed fromlow land, marshy (lower portion), to shallow marine environment, presumably due to hyperthermal event PETM (middle part).Age diagnostic taxa, viz. Auxiodinium longispinosum, Apectodinium parvum and early wetzelielloid (Vallodinium? sp.) excursionprovide late Palaeocene–early Eocene period (~56–53 Ma) for the dinocyst interval in the middle part of the section. A pronouncednegative Carbon Isotope Excursion (CIE) in the middle part is correlated to the second Eocene Thermal maximum (53.7 Ma),which is a globally recorded hyperthermal event. During the ETM–2 warming, the rise in pCO2 caused warm, humid conditionsas well as a rise in sea level, which may have contributed to the establishment of constrained shallow marine environments in theexamined middle unit sedimentary succession. Floral (spore–pollens, leaf, wood, seed, fruits) and faunal assemblages (Crocodiles,fish remains, amber insects) revealed the prevalence of a dense tropical luxurious rain forest (floral and faunal) near shore duringthe ETM–2 in the Tarkeshwar Lignite Mines, Cambay Basin.
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Wang, X. Q., Y. R. Li, Y. Yuan, Z. Zhou, and L. S. Wang. "Palaeoclimate and palaeoseismic events discovered in Diexi barrier lake on the Minjiang River, China." Natural Hazards and Earth System Sciences 14, no. 8 (August 14, 2014): 2069–78. http://dx.doi.org/10.5194/nhess-14-2069-2014.

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Abstract. Studies on the formation of the ancient Diexi barrier lake on the Mingjiang River, southwestern China, have long been carried out. However, investigations into the correlation between the palaeoclimate and palaeoenvironment and the palaeoseismic events in this area are rarely found in literature. The present study took sediments from the ancient Diexi barrier lake to investigate the palaeoclimate, palaeoenvironment and palaeoseismic events. A drilling at the centre of the barrier lake was conducted and the core of about 260 m long was examined. The palaeoclimate and palaeoenvironment indicators (sporopollen, carbon and oxygen isotopes, organic matter, calcium carbonate, granularity) from the sediments have been tested and analysed, and indicate that there were 10 climatic and environmental periods between 30 000 and 15 000 a BP (before present). The discovered disturbance segments in the core indicate there were at least 10 seismic events during that period. The consistency between climate change and seismic events indicates that a strong seismicity is normally accompanied by a climatic variation. This may be a useful supplement for climate and geohazard predictions in the future.
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Kamble, Suren N., Mohan A. Sonar, and Kamlakar M. Wanjarwadkar. "Benthic Foraminifera from the Lower Miocene Sediments of Murachbann, Western Kachchh, Gujarat, India: Implications for Inferring Palaeoenvironment." Journal of Geosciences Research 9, no. 1 (January 1, 2024): 49–53. http://dx.doi.org/10.56153/g19088-023-0172-47.

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A thorough taxonomic study was carried out for the first time using high-resolution microscopy from Neogene sections of western Kachchh, India. In the present study, 25 species of benthic foraminifera belonging to 3 classes viz. Globothalamea, Tubothalamea, Nodosariata and 4 orders Rotaliida, Textulariida, Miliolida and Polytmorphinida have been identified from limestone and silty-claystone of Murachbann section belonging to lower Miocene. This taxonomic study provides the distribution of benthic foraminifera species from Murachbann section. The attempt is made to interpret depositional palaeoenvironment based on this distribution of the studied foraminifera. Keywords: Morphology, Taxonomy, Benthic Foraminifera, Limestone, Palaeoenvironment, Chhasra Formation
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He, Wentong, Youhong Sun, Wei Guo, Xuanlong Shan, Siyuan Su, Shaopeng Zheng, Sunhua Deng, Shijie Kang, and Xu Zhang. "Organic Geochemical Characteristics of the Upper Cretaceous Qingshankou Formation Oil Shales in the Fuyu Oilfield, Songliao Basin, China: Implications for Oil-Generation Potential and Depositional Environment." Energies 12, no. 24 (December 14, 2019): 4778. http://dx.doi.org/10.3390/en12244778.

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The Cretaceous Era has always been a focus of geologic and palaeoenvironmental studies. Previous researchers believed that the impact of the global carbon cycle represents significant short-term global biogeochemical fluctuations, leading to the formation of a large number of organic rich sediments in the marine environment. During the Turonian, a large number of organic-rich oil shales were deposited in the lakes of the Songliao Basin in the Qingshankou Formation. How the depositional environment affected the formation of oil shales in continental lakes and the characteristics of these oil shales remain controversial. In this paper, through sampling of Qingshankou Formation strata, various testing methods are used to provide a variety of new data to study the characteristics of oil shales and palaeoenvironment evolution history in the Songliao Basin. The research of the sediments in the Qingshankou Formation in the Fuyu oilfield, Songliao Basin, via result analysis revealed that the oil shales possess an excellent oil-generation potential with moderate-high total organic carbon (TOC) levels (0.58–9.43%), high hydrogen index (HI) values (265–959 mg hydrocarbons (HC)/g TOC), high extractable organic matter (EOM) levels (2.50–6.96 mg/g TOC) and high hydrocarbon fractions (48–89%). The sources of the organic matter were mainly zooplankton, red algae and higher plants (including marine organisms). The aqueous palaeoenvironment of the Qingshankou Formation was a saline water environment with a high sulfate concentration, which promoted an increase in nutrients and stratification of the water density in the lake basin. Oxygen consumption in the bottom water layer promoted the accumulation and burial of high-abundance organic matter, thus forming the high-quality oil shales in the Qingshankou Formation. The global carbon cycle, warm-humid palaeoclimate, dynamic local biogeochemical cycling and relative passive tectonism were the most likely reasons for the TOC increase and negative δ13Corg deviation.
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Jarzembowski, E. A. "Early Cretaceous insect faunas and palaeoenvironment." Cretaceous Research 16, no. 6 (December 1995): 681–93. http://dx.doi.org/10.1006/cres.1995.1042.

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Moran, Kathryn, Jan Backman, Henk Brinkhuis, Steven C. Clemens, Thomas Cronin, Gerald R. Dickens, Frédérique Eynaud, et al. "The Cenozoic palaeoenvironment of the Arctic Ocean." Nature 441, no. 7093 (June 2006): 601–5. http://dx.doi.org/10.1038/nature04800.

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Fortey, R. A., and N. V. Wilmot. "Trilobite cuticle thickness in relation to palaeoenvironment." Paläontologische Zeitschrift 65, no. 1-2 (June 1991): 141–51. http://dx.doi.org/10.1007/bf02985779.

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Dissertations / Theses on the topic "Palaeoenvironment"

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Smith, Kate T. "Holocene jökulhlaups, glacier fluctuations and palaeoenvironment, Mýrdalsjökull, South Iceland." Thesis, University of Edinburgh, 2003. http://hdl.handle.net/1842/27426.

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This thesis develops a chronology of jökulhlaup (glacier burst flood) activity from Mýrdalsjökull in southern Iceland. New geornorphological, sedimentological and tephrochronological data has identified 15 flow events during the Holocene. The majority of these were hyperconcentrated flow events originating from, or close to, the northwest area of the ice cap and are associated with subglacial volcanism. One flood originated in the Vei«!»ivötn area and on 3 occasions flooding from Katla may have been accompanied by floods from Eyjafjallajökull. A further two events relate to re­mobilisation of thick airfall tephra deposits. Silicic pumice found on the sandur and close to the ice margin indicates that the Markarfljót acted as a terrestrial transport route for pumice found along North Atlantic coasts, and was possibly a route for silicic Katla jökulhlaups. Additionally, flood routes and glacial landforms show that Entujökull reached a maximum Holocene extent in the mid-Holocene, extending farther downvalley than during the Little Ice Age. In prehistory, floods were directed to both the south and west of Mýrdalsjökull. Similarly timed jökulhlaups took these paths when floods also flowed from Eyjafjöll into the Markarfljót. This suggests that concurrent routing of floods to the south and west of Mýrdalsjökull is related to synchronous volcanic activity in Katla and Eyjafjallajökull. Since the 10th Century most Katla floods have been routed to the south east, possibly reflecting changes in intra-caldera eruption sites or subglacial topographic change associated with the Eldgjá eruption in c.935 AD, as suggested by Larsen (2000). The environmental impacts of these floods were significant. Late prehistoric and early historic floods had a major role in shaping the landscape faced by the earliest Norse colonisers of the region. Future flooding could pose a distinct hazard to farmland on the sandur plain downvalley and to popular tourist areas in North Þórsmörk.
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Feurdean, Angelica. "Palaeoenvironment in north-western Romania during the last 15,000 years /." Stockholm : Institutionen för naturgeografi och kvartärgeologi, Univ, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-108.

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Sulaiman, Nursufiah Binti. "Late Eocene palaeoenvironment and palaeoclimate of the US Gulf Coast." Thesis, University of Birmingham, 2017. http://etheses.bham.ac.uk//id/eprint/7752/.

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This thesis presents new micro palaeontological and geochemical palaenvironmental proxy data through the late Eocene into the earliest Oligocene from a clay-rich succession from the US Gulf Coast. It is based on samples from the Yazoo Clay Formation, recovered in the Mossy Grove Core near Jackson, Mississippi. This represents an apparently continuous section of relatively uniform lithology, clay-rich deposits that host very well preserved assemblages of calcareous nannofossils, foraminifera and organic biomarkers. This thesis makes use of these to generate a detailed calcareous nannofossil taxonomy, high-resolution calcareous nannofossil assemblage data and coccolith-fraction bulk isotope data, as well as pilot planktonic foraminifera abundance and isotope records. It also develops pilot data for organic biomarkers that demonstrate the presence and utility of biomarker proxies for ancient sea surface temperatures within the Yazoo Clay. The results of this project characterize the late Eocene US Gulf Coast as a sub-tropical shelf sea environment that experiences several stages of sea surface cooling and increasing nutrient contents - potentially linked to sea level fall - in the late Eocene and earliest Oligocene. The most important finding of this project is evidence for cooling and major perturbations to the climate-carbon cycle significantly before the onset of the major phases of Antarctic glaciation.
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Davies, Heather Joy. "Sustainable management of the historic environment resource in upland peat : a study from Exmoor." Thesis, University of Plymouth, 2012. http://hdl.handle.net/10026.1/1026.

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UK uplands preserve a rich history of human inhabitation and environmental change through standing monuments, archaeological sites, and within peat deposits. Palaeoenvironmental remains within peat can be used to reconstruct environmental histories throughout the Holocene. Small mires in varied topographic locations can allow detailed local landscape reconstruction, setting archaeological sites in environmental context, or building up a picture of the mosaic of changing landscapes through time. Recent moves towards assessing the ecosystem services provided by different landscapes mean that, to make a case for preserving upland peatlands for the palaeoenvironmental remains they preserve, we must be able to demonstrate their archaeological potential or value. This project investigated methods for identifying the extent of this ‘hidden’ resource, as well for assessing its current condition and historic environment value, through the case study of valley, spring and soligenous mires on Exmoor. The lack of known archaeological or material culture remains from upland peatlands in the UK and on Exmoor means that the project focussed solely on the palaeoenvironmental resource. The methods used combined desk-based survey and spatially-extensive walkover survey to assess the overall extent and condition of the palaeoenvironmental resource in mires across Exmoor. Alongside this, a site-based programme of water-table monitoring and coring was undertaken to look at the effects of recent land management practices on the condition of this resource. The results demonstrated that walkover survey and peat depth probing were necessary to define the spatial extent and depth of mires, and assess mire condition. A standardised key was developed to allow the baseline mire condition survey to be repeated. The site-based study demonstrated the negative impact of water-table draw-down on the condition of palaeoenvironmental remains. However, it also demonstrated that a multiproxy approach is necessary to allow the complex palimpsest of the effects of human impact, climate change, and recent damage to mires, to be disentangled. The results of both levels of survey fed into the development of a flexible heritage valuation system for the palaeoenvironmental resource, which highlighted mires with high-potential for future investigation, whilst indicating mires which will require management intervention to prevent further losses to the resource. The datasets provided by this project will be used to identify palaeoenvironmental sampling locations for future archaeological investigations and allow heritage managers to make active contributions to the selection of sites for mire restoration. It provides a baseline survey against which future mire condition monitoring can be compared and which can be extended to other regions. It also offers a dataset against which to test or ‘ground-truth’ new methods for identifying the extent and condition of peatlands using remote-sensed data.
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Guagnin, Maria. "From savanna to desert : animal engravings in the changing prehistoric environment of the Wadi al-Hayat, Libyan Sahara." Thesis, University of Edinburgh, 2010. http://hdl.handle.net/1842/7814.

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Traditional stylistic classifications have not provided conclusive dates for the rock art of the Sahara, and the imagery can therefore not be placed securely in its cultural or environmental context. This thesis proposes a new methodology in which content and patina of the engravings are used to establish a chronological sequence, against the background of changing palaeoenvironmental conditions. This framework can then be used to explore aspects of the relationship between the rock art and the changing Holocene landscape. The engravings of the Wadi al‐Hayat, which were recently recorded by the Fezzan Rock Art Project, form the basis of this research. A total of 2466 images of animals were individually analysed and entered into a database. The depicted species are shown to reflect the local fauna, and their habitats coincide with the palaeoclimatic conditions of the central Sahara. Additionally, recent geomorphological analyses of the rock surfaces of the Messak provide a chronology for the patina, and show that the formation of each type of patina was dependent on environmental conditions. Through analyses of the animal engravings, categorised according to positively identifiable species and patina types, this thesis demonstrates a direct correlation between the content (i.e. species depicted) and patina of the engravings, and the palaeoenvironment. Both content and patina of the engravings indicate a development from wet savanna to dry savanna, and finally to desert conditions, consistent with the Holocene climatic sequence. This provides a chronological framework for the engravings and places them into a palaeoenvironmental context. The locations of the engravings of each patina group also correspond to the changing lake levels of the al‐Hayat palaeolake identified in previous palaeoenvironmental research projects, which in turn supports the chronology of the engravings. Through spatial analyses, the locations and landscapes preferred by the engravers for the creation of rock art can be identified, whilst the new chronological sequence allows us to explore changes in the cultural conventions that underlie the creation of the engravings. As well as providing a chronological framework and environmental context for the engravings for the Wadi al‐Hayat, the research presented in this thesis therefore has the potential to change our understanding of Saharan rock art.
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Feurdean, Angelica. "Palaeoenvironment in North-Western Romania during the last 15 000 years." Doctoral thesis, Stockholm University, Department of Physical Geography and Quaternary Geology, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-108.

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The objectives of this thesis are to establish a chronological framework for environmental changes during the last 15,000 years in northwest Romania, to reconstruct the vegetation development, and to evaluate the underlying processes for forest dynamics. Furthermore, an overview of earlier and ongoing pollenstratigraphic work in Romania is provided.

Sediments from two former crater lakes, Preluca Tiganului and Steregoiu, situated in the Gutaiului Mountains, on the western extremity of the Eastern Carpathians at 730 m and 790 m a.s.l., respectively were obtained and analysed for high-resolution pollen, macrofossils, charcoal, mineral magnetic parameters and organic matter. The chronostratigraphic framework was provided by dense AMS 14C measurements.

Cold and dry climatic conditions are indicated by the occurrence of open vegetation with shrubs and herbs, and cold lake water prior to 14,700 cal. yr BP. The climatic improvement at the beginning of the Lateglacial interstadial (around 14,700 cal. yr BP) is seen by the development of open forests. These were dominated by Pinus and Betula, but contained also new arriving tree taxa, such as Populus, Alnus and Prunus. The gradual establishment of forests may have led to a stabilization of the soils in the catchment. Between ca. 14,100 and 13,800 cal. yr BP the forest density became reduced to stands of Pinus, Betula, Alnus, Larix and Populus trees and grassland expanded, suggesting colder climatic conditions. Picea arrived as a new taxon at around 13,800 cal. yr BP, and between 13,800 and 12,900 cal. yr BP, the surroundings of the sites were predominantly covered by Picea forest. This forest included Betula, Pinus, Alnus, Larix and Populus and, from 13,200 cal. yr BP onwards also Ulmus. At ca. 12,900 cal. yr BP, the forest became significantly reduced and at 12,600 cal. yr BP, a recurrence of open vegetation with stands of Larix, Pinus, Betula, Salix and Alnus is documented, lasting until 11,500 cal. yr BP. This distinct change in vegetation may by taken as a strong decline in temperature and moisture availability.

At the transition to the Holocene, at ca. 11,500 cal. yr BP, Pinus, Betula and Larix quickly expanded (from small local stands) and formed open forests, probably as a response to warmer and more humid climatic conditions. At 11,250 cal. yr BP Ulmus and Picea expanded and the landscape became completely forested. The rapid increase of Ulmus and Picea after 11,500 cal. yr BP may suggest the existence of small residual populations close to the study sites during the preceding cold interval. Ulmus was the first and most prominent deciduous taxa in the early Holocene in the Gutaiului Mountains. From ca. 10,750 cal. yr BP onwards Quercus, Tilia, Fraxinus and Acer expanded and Corylus arrived. A highly diverse, predominantly deciduous forest with Ulmus, Quercus, Tilia, Fraxinus, Acer, Corylus and Picea developed between 10,700 and 8200 cal. yr BP, which possibly signifies more continental climatic conditions. The development of a Picea-Corylus dominated forest between 8200 and 5700 cal. yr BP is likely connected to a more humid and cooler climate. The establishment of Carpinus and Fagus was dated to 5750 cal. yr BP and 5200 cal. yr BP, respectively. The dominance of Fagus during the late Holocene, from 4000 cal. yr BP onwards, may have been related to cooler and more humid climatic conditions. First signs of human activities are recorded around 2300 cal. yr BP, but only during the last 300 years did local human impact become significant.

The vegetation development recorded in the Gutaiului Mountains during the Lateglacial is very similar to reconstructions based on lowland sites, whereas higher elevation sites seem not to have always experienced visible vegetation changes. The time of tree arrival and expansion during the past 11,500 cal. yr BP seems to have occurred almost synchronously across Romania. The composition of the forests during the Holocene in the Gutaiului Mountains is consistent with that reconstructed at mid-elevation sites, but differs from the forest composition at higher elevations. Important differences between the Gutaiului Mountains and other studied sites in Romania are a low representation of Carpinus and a late and weak human impact.

The available data sets for Romania give evidence for the presence of coniferous and cold-tolerant deciduous trees before 14,700 cal. yr BP. Glacial refugia for Ulmus may have occurred in different parts of Romania, whereas the existence of Quercus, Tilia, Corylus and Fraxinus has not been corroborated.

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Cronin, Kate. "Reconstructing the late pleistocene palaeoenvironment of the Richtersveld using fossil charcoal." Bachelor's thesis, University of Cape Town, 2013. http://hdl.handle.net/11427/14119.

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The Succulent Karoo is recognised as an important biodiversity hotspot and many of the key plant lineages that characterise the biome are thought to have originated during the Pleistocene epoch. However, due to the paucity of palaeobiological proxy data available for the Succulent Karoo, relatively little is known about its environmental history and how an important core of this region, Namaqualand and its subregion the Richtersveld, may have responded to Pleistocene changes. Recent excavations at Spitzkloof Rockshelter A in the Richtersveld have provided a rare source of palaeoenvironmental data in the form of fossil wood charcoal assemblages that span a sequence from the last glacial maximum (LGM) to ~14 500 yrs BP. The present study analysed the fossil charcoal deposits from the rockshelter in order to reconstruct woody species assemblage patterns as a proxy for late Pleistocene palaeoclimate. Identification of the fossil charcoal specimens was achieved by anatomical comparison with transverse section photomicrographs of identified reference specimens of woody taxa currently growing at the site. Patterns in the charcoal data set were sought by assessing the changes in woody species assemblages over time. An assessment of the environmental correlates of the contemporary distributions of taxa found in the archaeological sequence provided the basis for palaeoenvironmental reconstruction. Based on the current generalisation for glacial climates in the winter rainfall zone (WRZ), it was hypothesised that the study region experienced an increase in rainfall at the LGM, and a steady aridification towards the terminal Pleistocene. However, Spitzkloof's charcoal records provide little evidence to suggest that the LGM supported a more mesic vegetation community than more recent time-periods. Instead, results suggest that the region experienced fairly limited climatic change as there is compelling evidence for the persistence of Succulent Karoo elements – namely Stoeberia arborea, Hermannia disermifolia and Lycium spp. - throughout the late Pleistocene. The localised appearance at the terminal Pleistocene (~14 ka) of all of the most abundant taxa at the site today is interpreted as a consequence of terminal Pleistocene changes in sea-level and CO2 concentration within a persistent context of minimal climatic change. These results have important implications for the applicability of a generalised WRZ model of climate change to the Succulent Karoo and for hypothetical predictions of future climate change impacts in the biome.
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Walker, Thomas M. "Shifting sand : the palaeoenvironment and archaeology of blown sand in Cornwall." Thesis, University of Reading, 2014. http://centaur.reading.ac.uk/78304/.

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Coastal sand dunes are common in Britain, especially along western Atlantic coasts, and archaeological sites are well preserved under blown sand. One of the questions is how Holocene palaeoclimate variation influences patterns of settlement establishment and abandonment. Few studies of coastal sites have included palaeoenvironmental evidence, and even fewer include securely dated stratigraphy. This study uses a multi proxy approach to investigate two main and five minor coastal sites in Cornwall, with molluscs analyses being the principal analytical method. Chronology is established by radiocarbon dating and optically stimulated luminescence so that episodic human activity can be related to periods of sand blow and instability. Evidence is sought concerning the history of mineral mining in the Red River catchment area. Twenty three cores and a test pit were examined along a transect at the multi period site at Gwithian on the north Cornish coast. Mollusc columns were obtained at Strap Rocks near the main Gwithian site, and from five trenches excavated at the early medieval site of Gunwalloe on the Lizard peninsula. The study establishes that initial sand deposition was about 3000 BC, with further marked periods of sand blow in the early and late Bronze Age, the Iron Age and the mid-medieval period. Some, but not all, sand blow correlates with periods of settlement occupation and abandonment, and with known palaeoclimate episodes such as the Little Ice Age. Difficulty in establishing periods of sand conflation and deflation and how this may lead to errors in chronology are discussed. There is weak evidence for mining activity in the Bronze Age, but strong evidence from c 1050 AD. The chronology of mollusc extinctions and introductions is refmed, e.g. Xerocrassa geyeri did not become extinct until the end of the early Bronze Age and Cochlicella acuta was present from the late Neolithic, about 2400 BC.
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Hanif, Muhammad. "Stratigraphy and Palaeoenvironment of the Paleocene/Eocene boundary interval in the Indus Basin, Pakistan." Thesis, University of Plymouth, 2011. http://hdl.handle.net/10026.1/865.

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Marine sedimentary sections across the Paleocene/Eocene (P/E) boundary interval are preserved in the Patala Formation (Upper Indus Basin) and Dungan Formation (Lower Indus Basin), Pakistan. The P/E interval of the Patala Formation is composed of limestone and shale inter-beds indicating deposition on a carbonate platform. The analysis of larger foraminifera across the P/E interval from the Patala Formation (Kala Chitta Ranges), allows the recognition of the Larger Foraminiferal Turnover (LFT). The Larger Foraminiferal Turnover (LFT) observed in the Patala Formation is associated with the PETM (Paleocene Eocene Thermal Maximum) global climatic event and allows the recognition of the P/E boundary in shallow water carbonates of the Indus Basin. This turnover is already reported from other Tethyan sections and from the Salt Range (Upper Indus Basin), Pakistan. The recognition of the LFT allows the inter-basinal and intra-basinal correlation of the P/E interval of the shallow carbonates of the Indus Basin, Pakistan. The available literature on the Paleocene-Eocene Patala and Dungan formations is used to review the planktonic foraminiferal biostratigraphy of the P/E interval. The planktonic foraminiferal zones in the P/E interval of the Indus Basin are identified and reviewed in the light of new international zonations. The planktonic foraminiferal content of the Dungan Formation allows its correlation with the Laki Formation of Rajesthan (India). Four dinoflagellate zones in the P/E interval of the Rakhi Nala section (Lower Indus Basin) are identified and correlated with international and regional zonations. The quantitative analysis of the dinoflagellate cyst assemblages together with geochemical data (i.e., carbon isotopes (organic only), C/N ratio, TOC, carbonate content) is used to reconstruct the palaeoenivronment across the P/E interval. The dinocyst assemblages in general, and the abundance of Apectodinium spp. in particular, indicate the warmer surface water conditions of the global PETM event. The dinocyst assemblages allow the local correlation of the Dungan Formation (part) of the Sulaiman Range with the Patala Formation (part) of the Upper Indus Basin and global correlation of the Zone Pak-DV with the Apectodinium acme Zone of the Northern and Southern hemispheres. The carbon isotopic excursion (CIE) associated with PETM is now globally used to identify the P/E boundary. The CIE in total organic carbon (i.e., δ13CTOC = -28.9‰) and total fine fraction organics (i.e., δ13CFF= 26.4‰) from the Indus Basin is reported for the first time. This CIE record from the Indus Basin is compared with other Tethyan sections from Egypt and Uzbekistan and is also compared with the global sections from USA (Northern hemisphere) and from New Zealand (Southern hemisphere).
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Bennett, R. M. "The palaeoenvironment and diagenesis of the Upper Lias Cephalopod Bed in S.E. Somerset." Thesis, University of Bristol, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.379602.

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Books on the topic "Palaeoenvironment"

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Deutsches Archäologisches Institut. Aussenstelle Peking, ed. Chinese archaeology and palaeoenvironment. Mainz: Zabern, 2009.

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Paweł, Valde-Nowak, Nadachowski Adam, Madeyska Teresa, and Instytut Archeologii i Etnologii (Polska Akademia Nauk), eds. Obłazowa Cave: Human activity, stratigraphy and palaeoenvironment. Kraków: Institute of Archaeology and Ethnology, Polish Academy of Sciences, 2003.

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Rasul, Najeeb M. A., and Ian C. F. Stewart, eds. Geological Setting, Palaeoenvironment and Archaeology of the Red Sea. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-99408-6.

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Wil, Roebroeks, and Kolfschoten Thijs van 1952-, eds. Maastricht-Belvédère: Stratigraphy, palaeoenvironment and archaeology of the Middle and Late Pleistocene deposits. Haarlem, Netherlands: Rijks Geologische Dienst, 1985.

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Bůžek, Čestmír. Late Pliocene palaeoenvironment and correlation of the Vildštejn floristic complex within Central Europe. Praha: Academia, nakl. Československé akademie věd, 1985.

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Pauline, Whyte, Aigner Jean S, University of Hong Kong. Centre of Asian Studies., and International Conference on the Palaeoenvironment of East Asia (2nd : 1987 : Hong Kong), eds. The Palaeoenvironment of East Asia from the mid-tertiary: Proceedings of the second conference. [Hong Kong]: Centre of Asian Studies, University of Hong Kong, 1988.

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International Conference on the Palaeoenvironment of East Asia (2nd 1987 Centre of Asian Studies, University of Hong Kong). Abstracts of conference papers: Second International Conference on the Palaeoenvironment of East Asia from the Mid-Tertiary, January 9 to 13, 1987. [Hong Kong]: Centre of Asian Studies, University of Hong Kong, 1987.

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Mischke, Steffen. Mid and Late Holocene palaeoenvironment of the lakes eastern Juyanze and Sogo Nur in NW China, based on ostracod species assemblages and shell chemistry. Berlin: Selbstverlag Fachbereich Geowissenschaften, FU Berlin, 2001.

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1896-1974, Rama Rao L., Sahni Ashok, and Geological Society of India, eds. Cretaceous stratigraphy and palaeoenvironments. Bangalore: Geological Society of India, 1996.

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INQUA-SEQS Symposium (1997 Vilnius?, Lithuania). The Late Pleistocene in Eastern Europe--stratigraphy, palaeoenvironment, and climate: Abstract volume and excursion guide of the INQUA-SEQS Symposium, September 14-19, 1997, Lithuania. Edited by Satkūnas J, EAGE-PACE Foundation, Lietuvos Geologijos tarnyba, and INQUA-Subcommission on European Quaternary Stratigraphy. Vilnius: Geological Survey of Lithuania, 1997.

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Book chapters on the topic "Palaeoenvironment"

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Hughes, Gwilym, and Andy Hammon. "Commercialising the Palaeoenvironment." In Environmental Archaeology: Meaning and Purpose, 75–87. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-015-9652-7_9.

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Islam, M. Shahidul. "Reconstruction of the palaeogeography and palaeoenvironment of Bangladesh." In Geography in Bangladesh, 97–123. Abingdon, Oxon ; New York, NY : Routledge, 2019.: Routledge India, 2019. http://dx.doi.org/10.4324/9780429263354-7.

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Rasul, Najeeb M. A., Ian C. F. Stewart, Geoff N. Bailey, and Zohair A. Nawab. "Introduction to Geology, Palaeoenvironment and Archaeology of the Red Sea." In Geological Setting, Palaeoenvironment and Archaeology of the Red Sea, 1–9. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-99408-6_1.

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van der Zwan, Froukje M., Colin W. Devey, and Nico Augustin. "Hydrothermal Prospection in the Red Sea Rift: Geochemical Messages from Basalts." In Geological Setting, Palaeoenvironment and Archaeology of the Red Sea, 221–32. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-99408-6_10.

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Hovland, Martin, Håkon Rueslåtten, and Hans Konrad Johnsen. "Salt Formation, Accumulation, and Expulsion Processes During Ocean Rifting—New Insight Gained from the Red Sea." In Geological Setting, Palaeoenvironment and Archaeology of the Red Sea, 233–57. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-99408-6_11.

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Mitchell, Neil C., and Sarantis S. Sofianos. "Origin of Submarine Channel North of Hanish Sill, Red Sea." In Geological Setting, Palaeoenvironment and Archaeology of the Red Sea, 259–73. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-99408-6_12.

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Roobol, M. John, and Ian C. F. Stewart. "Cenozoic Faults and Seismicity in Northwest Saudi Arabia and the Gulf of Aqaba Region." In Geological Setting, Palaeoenvironment and Archaeology of the Red Sea, 275–305. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-99408-6_13.

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Martin Mai, P., Jordi Julià, and Zheng Tang. "Crustal and Upper-Mantle Structure Beneath Saudi Arabia from Receiver Functions and Surface Wave Analysis." In Geological Setting, Palaeoenvironment and Archaeology of the Red Sea, 307–22. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-99408-6_14.

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Mitchell, Neil C., Marco Ligi, and Najeeb M. A. Rasul. "Variations in Plio-Pleistocene Deposition in the Red Sea." In Geological Setting, Palaeoenvironment and Archaeology of the Red Sea, 323–39. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-99408-6_15.

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Taviani, Marco, Paolo Montagna, Najeeb M. A. Rasul, Lorenzo Angeletti, and William Bosworth. "Pleistocene Coral Reef Terraces on the Saudi Arabian Side of the Gulf of Aqaba, Red Sea." In Geological Setting, Palaeoenvironment and Archaeology of the Red Sea, 341–65. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-99408-6_16.

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Conference papers on the topic "Palaeoenvironment"

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Alonso, Ainhoa, Arantza Casillas, Luis Ortega, and Mikel Penagarikano. "PALAEOENVIRONMENT CHANGES ANALYSIS USING PROGRAMMING TECHNIQUES: OSTRACODS ASSEMBLAGE AS CLIMATIC PROXY." In International Conference on Education and New Learning Technologies. IATED, 2017. http://dx.doi.org/10.21125/edulearn.2017.1736.

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Mitrović, D., N. Đoković, D. Životić, M. Obradović, A. Bechtel, and K. Stojanović. "Maceral and Biomarker Composition of Lignite Lithotypes – Implications on Palaeoenvironment and Grind Ability Properties." In 29th International Meeting on Organic Geochemistry. European Association of Geoscientists & Engineers, 2019. http://dx.doi.org/10.3997/2214-4609.201902880.

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Li, Chenqing, Lin Dong, and Bing Shen. "Geochemical features of the microbial carbonate from the Jiudingshan Formation, the Huaibei Group: implications for palaeoenvironment." In Goldschmidt2021. France: European Association of Geochemistry, 2021. http://dx.doi.org/10.7185/gold2021.6181.

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Arnold, Andy, and A. Akinlua. "Source Rock Potential, Palaeoenvironment & Thermal Maturity of the Lower Ecca Group, South Africa: Implications for Hydrocarbon Exploration." In 11th SAGA Biennial Technical Meeting and Exhibition. European Association of Geoscientists & Engineers, 2009. http://dx.doi.org/10.3997/2214-4609-pdb.241.arnold_abstract.

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Wang, B., and Z. Huang. "Palaeoenvironment of the Middle-Lower Jurassic in Taipei Sag: Insights for the Development of High-Quality Source Rocks." In IMOG 2023. European Association of Geoscientists & Engineers, 2023. http://dx.doi.org/10.3997/2214-4609.202333280.

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Gammudi, A. "Palaeoenvironments of the Palaeogene in the Sirt Basin." In EAGE Conference on Geology and Petroleum Geology of the Mediterranean and Circum-Mediterranean Basins. European Association of Geoscientists & Engineers, 2000. http://dx.doi.org/10.3997/2214-4609.201405990.

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Woodard, Jeremy, Alan M. Smith, Riaan Botes, and Saumitra Misra. "MODERN STROMATOLITE GEOCHEMISTRY AS A PALAEOENVIRONMENTAL PROXY." In GSA Annual Meeting in Phoenix, Arizona, USA - 2019. Geological Society of America, 2019. http://dx.doi.org/10.1130/abs/2019am-336440.

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F. Lindsay, Robert, and Nassir S. Alnaji and Geraint W. Hughes. "Depositional cyclicity and palaeoenvironments of the Middle Dhruma Formation, Saudi Arabia." In GEO 2008. European Association of Geoscientists & Engineers, 2008. http://dx.doi.org/10.3997/2214-4609-pdb.246.222.

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Livsey, A. R. "Using Spatial Analysis of Hydrocarbon Compositions to Better Understand the Petroleum Systems of the South Sumatra Basin, Indonesia." In Indonesian Petroleum Association 44th Annual Convention and Exhibition. Indonesian Petroleum Association, 2021. http://dx.doi.org/10.29118/ipa21-g-125.

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The South Sumatra Basin has been a focus for hydrocarbon exploration since the earliest oil discoveries in the late 1890s. Despite production of over 2500MMbbls of oil and 9.5TCF of gas our regional understanding of the basin’s petroleum systems is still evolving. Most discoveries occur along a series of Late Neogene NNW-SSE elongated anticlines. The most prolific reservoirs are fluvial – shallow marine sandstones of the Upper Oligocene – Lower Miocene Talang Akar Formation but hydrocarbons have also been discovered in numerous sandstone and carbonate reservoirs ranging in age from Middle – Late Miocene to Eocene. Pre-Tertiary fractured Basement reservoirs are also important gas producers. A geochemical database for produced, tested and seep oils and gases has been compiled from the analytical reports, produced by different service companies over a 40-year period, to understand the spatial distribution of hydrocarbon types and relate this to source type, source maturity and migration patterns. Integration with published palaeoenvironmental reconstructions for the time intervals associated with source rock deposition has enabled a better understanding of migration directions and migration limits. The database of over 100 oils and 40 gases has revealed a wider variation in geochemical character than previously thought, indicating the presence of numerous fluvio-deltaic and lacustrine types suggesting subtle variations in the character of the effective source rocks within the basin, related to both organic matter type and depositional environment. Seven major oil families, often with several sub-groups, have been identified, while the presence of both biogenic and thermogenic gases of varying maturities are also noted. Spatial analysis of these hydrocarbons, integrated with source rock indications, palaeoenvironmental reconstructions and structural maps have allowed definition of kitchen areas and drainage areas for these hydrocarbon accumulations and a better understanding of the charge risk and likely hydrocarbon type in undrilled areas.
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Kadar, A. P., S. Crespo de Cabrera, K. A. Karam, and G. Al-Sahlan. "Biostratigraphy and Palaeoenvironments of the Middle Jurassic Dhruma and Sargelu Formations, Onshore Kuwait." In Fifth EAGE Arabian Plate Geology Workshop 2015. Netherlands: EAGE Publications BV, 2015. http://dx.doi.org/10.3997/2214-4609.201411954.

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Reports on the topic "Palaeoenvironment"

1

Dochev, Docho, and Polina Pavlishina. New Palynological Results in Age and Palaeoenvironmental Assessment on Parts of the Byers Group, Livingston Island, Antarctica. "Prof. Marin Drinov" Publishing House of Bulgarian Academy of Sciences, June 2020. http://dx.doi.org/10.7546/crabs.2020.06.12.

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Downes, Jane, ed. Chalcolithic and Bronze Age Scotland: ScARF Panel Report. Society for Antiquaries of Scotland, September 2012. http://dx.doi.org/10.9750/scarf.09.2012.184.

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The main recommendations of the panel report can be summarised under five key headings:  Building the Scottish Bronze Age: Narratives should be developed to account for the regional and chronological trends and diversity within Scotland at this time. A chronology Bronze Age Scotland: ScARF Panel Report iv based upon Scottish as well as external evidence, combining absolute dating (and the statistical modelling thereof) with re-examined typologies based on a variety of sources – material cultural, funerary, settlement, and environmental evidence – is required to construct a robust and up to date framework for advancing research.  Bronze Age people: How society was structured and demographic questions need to be imaginatively addressed including the degree of mobility (both short and long-distance communication), hierarchy, and the nature of the ‘family’ and the ‘individual’. A range of data and methodologies need to be employed in answering these questions, including harnessing experimental archaeology systematically to inform archaeologists of the practicalities of daily life, work and craft practices.  Environmental evidence and climate impact: The opportunity to study the effects of climatic and environmental change on past society is an important feature of this period, as both palaeoenvironmental and archaeological data can be of suitable chronological and spatial resolution to be compared. Palaeoenvironmental work should be more effectively integrated within Bronze Age research, and inter-disciplinary approaches promoted at all stages of research and project design. This should be a two-way process, with environmental science contributing to interpretation of prehistoric societies, and in turn, the value of archaeological data to broader palaeoenvironmental debates emphasised. Through effective collaboration questions such as the nature of settlement and land-use and how people coped with environmental and climate change can be addressed.  Artefacts in Context: The Scottish Chalcolithic and Bronze Age provide good evidence for resource exploitation and the use, manufacture and development of technology, with particularly rich evidence for manufacture. Research into these topics requires the application of innovative approaches in combination. This could include biographical approaches to artefacts or places, ethnographic perspectives, and scientific analysis of artefact composition. In order to achieve this there is a need for data collation, robust and sustainable databases and a review of the categories of data.  Wider Worlds: Research into the Scottish Bronze Age has a considerable amount to offer other European pasts, with a rich archaeological data set that includes intact settlement deposits, burials and metalwork of every stage of development that has been the subject of a long history of study. Research should operate over different scales of analysis, tracing connections and developments from the local and regional, to the international context. In this way, Scottish Bronze Age studies can contribute to broader questions relating both to the Bronze Age and to human society in general.
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