Long-term lake sediment records and factors affecting the evolution of metal(loid) drainage from two mine sites (SW Finland)

Parviainen, Annika; Kauppila, Timo; Loukola-Ruskeeniemi, Kirsti

doi:10.1016/j.gexplo.2011.12.004

Cited by 17 publications

(19 citation statements)

References 23 publications

(38 reference statements)

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“…A national-scale assessment of contemporary contaminated discharge from abandoned mines has recently been conducted (Mayes et al 2009(Mayes et al , 2010, but few assessments have been made of historical metal fluxes during peak ore extraction in the nineteenth century. Sediment records preserved in lakes offer unique opportunities to reconstruct the magnitude of mining-derived contamination (Farmer et al 1997;Couillard et al 2007;Parviainen et al 2012;Schindler and Kamber 2013) and establish reference baselines for metals (Bindler et al 2011) on a catchment-specific basis.…”

Section: Introductionmentioning

confidence: 99%

Quantifying system disturbance and recovery from historical mining-derived metal contamination at Brotherswater, northwest England

et al. 2016

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Metal ore extraction in historical times has left a legacy of severe contamination in aquatic ecosystems around the world. In the UK, nationwide surveys of present-day pollution discharged from abandoned mines are ongoing but few assessments of the magnitude of contamination and impacts that arose during historical metal mining have been made. We report one of the first multi-centennial records of lead (Pb), zinc (Zn) and copper (Cu) fluxes into a lake (Brotherswater, northwest England) from pointsources in its catchment (Hartsop Hall Mine and Hogget Gill processing plant) and calculate basin-scale inventories of those metals. The pre-mining baseline for metal contamination has been established using sediment cores spanning the past 1500 years and contemporary material obtained through sediment trapping. These data enabled the impact of 250 years of local, small-scale mining to be quantified and an assessment of the trajectory towards system recovery to be made. The geochemical stratigraphy displayed in twelve sediment cores show strong correspondence to the documented history of metal mining and processing in the catchment. The initial onset in 1696 was detected, peak Pb concentrations ([10,000 lg g -1 ) and flux (39.4 g m -2 year -1 ) corresponded to the most intensive mining episode (1863-1871) and twentieth century technological enhancements were reflected as a more muted sedimentary imprint. After careful evaluation, we used these markers to augment a Bayesian agedepth model of the independent geochronology obtained using radioisotope dating ( 14 C, 210 Pb, 137 Cs and 241 Am). Total inventories of Pb, Zn and Cu for the lake basin during the period of active mining were 15,415, 5897 and 363 kg, respectively. The postmining trajectories for Pb and Zn project a return to pre-mining levels within 54-128 years for Pb and 75-187 years for Zn, although future remobilisation of metal-enriched catchment soils and floodplain sediments could perturb this recovery. We present a transferable paleolimnological approach that highlights flux-based assessments are vital to accurately establish the baseline, impact and trajectory of mining-derived contamination for a lake catchment.

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Section: Introductionmentioning

confidence: 99%

Quantifying system disturbance and recovery from historical mining-derived metal contamination at Brotherswater, northwest England

et al. 2016

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“…Because of the unsuccessful and insufficient rehabilitation measures, AMD started almost immediately and, according to sedimentological studies, the most intense metal load into the lake occurred during the 1960s and 1970s (Parviainen et al 2012). In 2006, the pH of the water in the tailings drainage ditch, which drains into the head of the bay, was 3.5, and high concentrations of dissolved metals (e.g.…”

Section: Characteristics and Environmental History Of Lake Kirkkojärvimentioning

confidence: 99%

“…3.3 μg L -1 , and Zn 2.5 μg L -1 ). However, the sedimentary concentrations of pollutants, such as Cu, are still clearly above pre-mining levels (Parviainen et al 2012), suggesting ongoing although clearly reduced pollution.…”

Section: Characteristics and Environmental History Of Lake Kirkkojärvimentioning

confidence: 99%

“…The working hypothesis of the present study was that even though the strongest impacts of AMD are no longer detectable in the deeper, central area of the Lake Kirkkojärvi, impacts can still be detected in the proximal tailings area. To assess the contemporary effect of the chronic AMD, which has already lasted over 50 years since the closure of the Haveri mine (Parviainen et al 2012), we compared the pre-mining and contemporary cladoceran communities in a small bay in the close vicinity of the tailings dump ( Fig. 1).…”

Section: Introductionmentioning

confidence: 99%

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Paleolimnological Fingerprinting of the Impact of Acid Mine Drainage After 50 Years of Chronic Pollution in a Southern Finnish Lake

Leppänen

Weckström

Korhola

2017

Water Air Soil Pollut

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Acid mine drainage (AMD) is acknowledged to have long-lasting impacts on aquatic environments. Hence, mines have also been detected to pose problems years after closure due to the leaching of toxic drainage initiated by sulfide oxidation. To assess the effects of chronic but relatively low volume acid mine drainage derived from the Haveri copper-gold mine operating between 1938 and 1960 on a freshwater bay in southern Finland, we compared cladoceran assemblages from the pre-mining period with contemporary populations using paleolimnological approaches and multiple sediment cores. The cladoceran community of the pre-mining era differed significantly from the contemporary community of the lake (ANOSIM R = 0.91; p = 0.0001), but closely resembled the contemporary community of a nearby non-polluted reference site. Our results suggest that the differences in species compositions between pre-mining and contemporary samples are most likely caused by eutrophication and not by the AMD impact. Because AMD at our study site is most intense during the spring snowmelt period, cladocerans may avoid seasonal pollution peaks through winter dormancy. Possible pollution peaks resulting from heavy rains during the summer may have negative impacts on the cladoceran community, but such short-term impacts are probably rapidly counteracted by immigration from cleaner areas of the lake.

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“…Sample preparation prior to ICP-MS usually follows USEPA Method 3501, which involves leaching the sediment via microwave-assisted HNO 3 digestion to liberate adsorbed and other loosely bound elements, and to digest sulphides, car-bonates, and some clays while avoiding the dissolution of primary silicates (Parviainen et al 2012). Conducting sample preparation in the sealed microwave environment minimises vaporisation of certain pollutant elements which are highly volatile at temperatures < 60 °C (As, Hg, Cr).…”

Section: Inductively Coupled Plasma Mass Spectrometry (Icp-ms)mentioning

confidence: 99%

Lacustrine Archives of Metals from Mining and Other Industrial Activities—A Geochemical Approach

Boyle

Chiverrell

Schillereff

2015

Environmental Contaminants

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Since the first studies reporting recent stratigraphic changes of metal concentration in lake sediments, many hundreds of studies have been published in the peer-reviewed literature. It is an impossible task to do justice to all of these works here; instead we: (1) examine recent methodological advances and place these in the context of the historical development of the discipline; and (2) explore the various purposes to which such methods have been applied. Such a historical emphasis may appear in conflict with the needs of a review of new approaches; however, this is not in fact the case for two main reasons. First, most new advances supplement rather than replace traditional methods, such that a thorough understanding of the practical and theoretical issues impacting these is still essential for reliable interpretation of palaeolimnological data. Second, while many of the new methods purport to circumvent problems, they achieve this only under favourable conditions, not dissimilar to the conditions that influence the earlier methods, so the same lesson must be learned anyway. Consequently, we use this historical narrative to address the fundamentals of the discipline.The chapter comprises two main parts; methodology and applications. The methodological section has three subsections: (1) Introduction to processes controlling natural variations in metal fluxes and concentrations in lake sediments; (2) Measurement of metal concentrations in sediments; (3) Calculation of enrichment or fluxes from sediment metal concentration data.There are four main applications subsections focusing on the value of lake sediment records of metals derived from mining or industry. They are: (1) Geochronological markers in sediments providing chronology for other research goals; (2) Lake sediment heavy metal records to quantify pollution loading histories, or to

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Long-term lake sediment records and factors affecting the evolution of metal(loid) drainage from two mine sites (SW Finland)

Cited by 17 publications

References 23 publications

Quantifying system disturbance and recovery from historical mining-derived metal contamination at Brotherswater, northwest England

Quantifying system disturbance and recovery from historical mining-derived metal contamination at Brotherswater, northwest England

Paleolimnological Fingerprinting of the Impact of Acid Mine Drainage After 50 Years of Chronic Pollution in a Southern Finnish Lake

Lacustrine Archives of Metals from Mining and Other Industrial Activities—A Geochemical Approach

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