Nooren, Kees; Hoek, Wim Z; Dermody, Brian J; Galop, Didier; Metcalfe, Sarah; Islebe, Gerald; Middelkoop, Hans (2018): Two palaeo-precipitation records for the Central Maya Lowlands, spanning the Pre-Classic period (1800 BCE - 250 CE) [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.892800
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Abstract:
We present two new palaeo-precipitation records for the Central Maya Lowlands, spanning the Pre-Classic period (1800 BCE - 250 CE), a key epoch in the development of Maya civilization. A beach ridge elevation record from world's largest late Holocene beach ridge plain provides a regional picture, while Lake Tuspan's diatom record is indicative of precipitation changes at a local scale. We identify centennial-scale variability in palaeo-precipitation that significantly correlates with the North Atlantic δ14C atmospheric record, with a comparable periodicity of approximately 500 years, indicating an important role of North Atlantic atmospheric-oceanic forcing on precipitation in the Central Maya Lowlands. Our results show that the Early Pre-Classic period was characterized by relatively dry conditions, shifting to wetter conditions during the Middle Pre-Classic period, around the well-known 850 BCE (2.8 ka) event. We propose that this wet period may have been unfavorable for agricultural intensification in the Central Maya Lowlands, explaining the relatively delayed development of Maya civilization in this area. A return to relatively drier conditions during the Late Pre-Classic period coincides with rapid agricultural intensification in the region and the establishment of major cities.
Related to:
Nooren, Kees; Hoek, Wim Z; Dermody, Brian J; Galop, Didier; Metcalfe, Sarah; Islebe, Gerald; Middelkoop, Hans (2018): Climate impact on the development of Pre-Classic Maya civilisation. Climate of the Past, 14(8), 1253-1273, https://doi.org/10.5194/cp-14-1253-2018
Coverage:
Median Latitude: 17.533750 * Median Longitude: -91.161750 * South-bound Latitude: 17.234000 * West-bound Longitude: -92.751000 * North-bound Latitude: 18.433000 * East-bound Longitude: -90.632000
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
4 datasets
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Datasets listed in this publication series
- Nooren, K; Hoek, WZ; Dermody, BJ et al. (2018): Beach-ridge elevation record of the Gulf of Mexico coast, Mexico. https://doi.org/10.1594/PANGAEA.892799
- Nooren, K; Hoek, WZ; Dermody, BJ et al. (2018): Amorphous silica and charred plant fragments analysed on sediment core C, Lake Tuspan, Central Maya Lowlands, Guatemala. https://doi.org/10.1594/PANGAEA.892796
- Nooren, K; Hoek, WZ; Dermody, BJ et al. (2018): Palaeoflood-layers in sediment core C, lake Tuspan, Central Maya Lowlands, Guatemala. https://doi.org/10.1594/PANGAEA.892797
- Nooren, K; Hoek, WZ; Dermody, BJ et al. (2018): First principal component (PC-1) of the variability in diatom assemblage of sediment core C, lake Tuspan, Central Maya Lowlands, Guatemala. https://doi.org/10.1594/PANGAEA.892798