Field Geochemistry

Terry, Richard E.

doi:10.1007/978-1-4020-4409-0_165

Cited by 2 publications

(2 citation statements)

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“…Reaction class terms and the pH range are based on the soil survey manual (Soil Science Division Staff, 2017; Table 2). The pH value in sediment solutions is highly related to the buffering process of organic acids and is indicative of paleosol occurrence (Nykamp et al, 2020) and human activity (Terry, 2017). The EC value provides a hint of readily soluble salts that crystallize from chemical weathering or soil water evaporites (Nykamp et al, 2020).…”

Section: Methodsmentioning

confidence: 99%

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Mid- to Late Holocene geomorphodynamics in a long-term settled mountain catchment in the Pergamon micro-region, western Turkey

et al. 2023

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From 300 BC to AD 300, the city of Pergamon underwent a profound transformation that impacted the rural settlement patterns and the concomitant geomorphodynamics. We present a geoarchaeological study in a long-term settled catchment in the Pergamon micro-region to disentangle the Holocene geomorphodynamics and triggering factors, for example, climate change and human activity. The analyses of eight radiocarbon-dated sediment profiles from the Tekkedere alluvial fan and its catchment indicate four principal sedimentation phases. Phase 1 (ca. 6.2 to 5–4 ka) is dominated by the floodplain aggradation of the receiving Bakırçay River, which is followed by the formation of floodplain soils (phase 2). Substantial geomorphodynamic changes occurred around 4 ka (phase 3), when the edge of the floodplain was buried by fan sediments of the tributary Tekkedere creek. This is attributed to supraregional aridization and rapid climate change events, superimposed by the onset of local human activities. Repeated cycles of coarse- and fine-textured fan sediments with age inversions after ca. 3.8 ka and valley infills younger than 1300 yr BP indicate the strong erosion and redeposition of sediments in phase 4. These increased geomorphodynamics may coincide with the changing settlement pattern and thus reflect human–environment interactions.

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Section: Methodsmentioning

confidence: 99%

“…Geochemical analyses of sediments can effectively assist in distinguishing the occurrence of past soil formation and the difference in natural and cultural processes (Terry, 2017). Sediment samples were analyzed in the laboratory of the Bergama archaeological excavation house.…”

Section: Sediment Analysesmentioning

confidence: 99%