Lacustrine carbonates of Iberian Karst Lakes: Sources, processes and depositional environments

Garcés, Blas Lorenzo Valero; Morellón, Mario; Moreno, Ana; Corella, Juan Pablo; Martín-Puertas, Celia; Barreiro, F.; Pérez, Ana Satorre; Giralt, Santiago; Mata, Pilar

doi:10.1016/j.sedgeo.2013.10.007

Cited by 61 publications

(56 citation statements)

References 105 publications

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“…Laguna de Medina (36°37´04"N, 06°03´13"W) is an endorheic semi-permanent karst lake (Valero-Garcés et al, 2014) in southern Spain (Fig. 1a), located roughly 12 km southeast of Jerez, 25 km northeast of Cádiz and about 3 km south of the river Rio Guadalete.…”

Section: Study Areamentioning

confidence: 99%

“…The ground water dropped below the karst base level, resulting in sinkholes and the prolapse of old sinkholes. Laguna de Medina is an example of renewed karst sinking in Triassic gypsums, formed in the Upper Pleistocene (Rodriguez Vidal et al, 1993;Valero-Garcés et al, 2014). The modern configuration of the lake basin was probably established during the Late Pleistocene (Rodriguez Vidal et al, 1993).…”

Section: Study Areamentioning

confidence: 99%

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Modern sedimentation processes in Laguna de Medina, southern Spain, derived from lake surface sediment and catchment soil samples

et al. 2016

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Section: Study Areamentioning

confidence: 99%

Section: Study Areamentioning

confidence: 99%

Modern sedimentation processes in Laguna de Medina, southern Spain, derived from lake surface sediment and catchment soil samples

et al. 2016

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“…According to the Valero-Garcés et al (2014) classification of Iberian karst lakes, Banyoles is a hydrologically open system with complex basin morphology and a large watershed. The lake has a maximum length of 2.15 km, a maximum width of 0.78 km and covers 1.12 km 2 (Moreno-Amich and García-Berthou 1989).…”

Section: Introductionmentioning

confidence: 99%

Western Mediterranean climate and environment since Marine Isotope Stage 3: a 50,000-year record from Lake Banyoles, Spain

et al. 2015

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We present new stable isotope (δ 18 O calcite and δ 13 C calcite ) and diatom data from a 67-m sediment core (BAN II) from Lake Banyoles, northeastern Spain. We reassessed the chronology of the sequence by correlating stable isotope data with a shorter U-series-dated record from the lake, confirming a sedimentological offset between the two cores and demonstrating that BAN II spans Marine Isotope Stages (MIS) 3 to 1. Through comparison with previous records, the multi-proxy data are used to improve understanding of palaeolimnological dynamics and, by inference, western Mediterranean climate and environmental change during the past ca. 50,000 years. Three main zones, defined by isotope and diatom data, correspond to the MIS. The basal zone (MIS 3) is characterised by fluctuating δ 18 O calcite and benthic diatom abundance, indicating a high degree of environmental and climate variability, concomitant with large lake-level changes. During the full glacial (MIS 2), relatively constant δ 18 O calcite and a poorly preserved planktonicdominated diatom assemblage suggest stability, and intermittently, unusually high lake level.In MIS 1, δ 18 O calcite and δ 13 C calcite initially transition to lower values, recording a pattern of Late Glacial to Holocene change that is similar to other Mediterranean records. This study suggests that Lake Banyoles responds limnologically to changes in the North Atlantic oceanatmosphere system and provides an important dataset from the Iberian Peninsula, a region in need of longer-term records that can be used to correlate between marine and terrestrial archives, and between the western and eastern Mediterranean.4

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“…Sinkhole origin can be linked to either karstic or thermokarstic processes during the Late Glacial/Holocene transition (Wojtanowicz 1994). Multi-proxy investigations of biogenic deposits in karstic lake basins can elucidate their origin and the development conditions (Valero-Garces et al 2014), including the Lublin chalkland (Harasimiuk et al 2002;Dobrowolski 2006;Kulesza et al 2011Kulesza et al , 2012, and the neighboring area to the east, the Volhynia chalklands (Zernitskaya 1997;Dobrowolski 2006;Dobrowolski et al 2001).…”

Section: Introductionmentioning

confidence: 99%

Origin and evolution of the Bezedna lake–mire complex in the Lublin area (East Poland): a case study for permafrost lakes in karstic regions

et al. 2014

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The Bezedna site represents a unique lakemire complex in the Lublin chalkland, eastern Poland. This karst region contains Upper Cretaceous carbonate rocks under the influence of continental climate. Using sedimentologic, palaeobotanical, and fossil ostracode analyses as well as radiocarbon dating on cores, we were able: (1) to reconstruct the morphogenetic mechanisms related to lake formation, (2) to describe the main stages of lake evolution, and (3) to identify the environmental conditions during this evolution. The first stage was the formation of an accumulation basin in a periglacial setting related to permafrost thawing in the last phase of the Weichselian and at the beginning of the Holocene. During the second stage, in the successive phases of the Holocene, lake evolution was determined by climate changes and local conditions, and in the youngest Subatlantic period-also by human activity in several settlement phases. Natural water bodies in a karstic region create unique conditions for water circulation, especially for groundwater. During the change from the periglacial to temperate climate of the Holocene in the Lublin chalkland, the response of substratum (deeply frozen during the Weichselian) was influential in the development of surface water conditions in the study area. The strong fracturing of the Upper Cretaceous bedrock and general change of groundwater circulation associated with the activation of an ascending groundwater supply favored the intensive dissolution of carbonate and the progressive ground subsidence. Based on the reconstruction and correlation with paleoenvironmental investigations of the adjacent Volhynia chalkland, we were able to estimate and compare the influences of local (morphologic and geologic) conditions versus global climate changes on the paleoenvironmental record. Climatedriven lake-level fluctuations coincided over great areas of the Northern Hemisphere and are well reflected in changes of the Ostracoda fauna.

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Lacustrine carbonates of Iberian Karst Lakes: Sources, processes and depositional environments

Cited by 61 publications

References 105 publications

Modern sedimentation processes in Laguna de Medina, southern Spain, derived from lake surface sediment and catchment soil samples

Modern sedimentation processes in Laguna de Medina, southern Spain, derived from lake surface sediment and catchment soil samples

Western Mediterranean climate and environment since Marine Isotope Stage 3: a 50,000-year record from Lake Banyoles, Spain

Origin and evolution of the Bezedna lake–mire complex in the Lublin area (East Poland): a case study for permafrost lakes in karstic regions

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