The LIA in Guadalentín valley (Murcia, SE Spain)

Calmel-Avila, Maryvonne

doi:10.4000/mediterranee.7177

Cited by 3 publications

(2 citation statements)

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“…This time coincides with the Medieval Arab period in the Murcia region (AD 713-1244) and with a large artificial re-organization of the drainage in the area by means of the construction of ditches, dams and the enlargement and construction of new irrigation canals, with a large impact in the landscape [55,56]. During this period, the irrigation works in the interfluve between distal zone of the ancient Guadalentín channel and the headwaters of the Sangonera rambla resulted in excavation of 8-9 m depth ditches [55] to fix the connection of both rambla channels and prevent the periodical inundation of the zone [9,56]. Irrigation works during the Middle Ages allowed for the eventual fluvial connectivity throughout the Guadalentín catchment upstream the zone of Librilla-El Romeral where the initial aggradation of the terrace system (T +5-6 m) is dated to 1088-1370 cal AD [8,57].…”

Section: The Post-roman Environmental Evolutionmentioning

confidence: 91%

“…From this period, the development of the recent terrace system begun [5,15], as well as the occurrence of important overbank deposits caused by the characteristic torrential activity (flash floods) in the area [6,29,54]. This time coincides with the Medieval Arab period in the Murcia region (AD 713-1244) and with a large artificial re-organization of the drainage in the area by means of the construction of ditches, dams and the enlargement and construction of new irrigation canals, with a large impact in the landscape [55,56]. During this period, the irrigation works in the interfluve between distal zone of the ancient Guadalentín channel and the headwaters of the Sangonera rambla resulted in excavation of 8-9 m depth ditches [55] to fix the connection of both rambla channels and prevent the periodical inundation of the zone [9,56].…”

Section: The Post-roman Environmental Evolutionmentioning

confidence: 99%

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Dating of Holocene Sedimentary and Paleosol Sequence within the Guadalentín Depression (Murcia, SE Spain): Paleoclimatic Implications and Paleoseismic Signals

et al. 2022

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This work presents the chronology of the Holocene filling of the Guadalentín Tectonic Depression (Murcia, SE Spain) combining 14C and OSL age data. This work studies the sediments and paleosols interbedded in the sedimentary sequence between Totana and Librilla, using as reference the Espuña Karting section (Alhama de Murcia), which has been fully sampled for its geochronological analysis. The entire dated sequences record the last c. 20–19 ka BP, although local basal travertine beds extend back to the Late Pleistocene (30–33 ka). Soil morphology and properties from dated paleosols record different environmental crises in SE Spain, but also a progressive aridification throughout the Holocene. The Chalcolithic Paleosol develops soon after c. 4.6–4.0 BP, nearly coinciding with the start of the Meghalayan stage, evidencing a drastic change from relatively humid to arid conditions, coincident with the crisis of the Copper Age civilizations in Spain. The Bronze Age paleosol also developed under arid but relatively more humid conditions, indicating a more important and longer gap in the sedimentary sequence soon after c. 2.5–2.7 ka BP. This stop in the sedimentation are correlative to the first stages of fluvial incision at basin center locations and the desiccation and fragmentation of the ancient wetlands coinciding with the collapse of the Bronze Age civilizations in SE Spain (Argaric Culture). During the Ibero-Roman Humid Period (IRHP), c. 2.6–1.6 ka BP, the last pedogenic cycle occurred under relatively humid conditions. This preluded the progressive establishment of exorheic fluvial environments as well as a period of paleoseismic activity in the area around 2.0–1.8 ka BP.

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