Palaeohydrology, fires and vegetation succession in the southern Baltic during the last 7500years reconstructed from a raised bog based on multi-proxy data

Gałka, Mariusz; Miotk-Szpiganowicz, Grażyna; Goslar, Tomasz; Jęśko, Marcin; Knaap, W.O. van der; Lamentowicz, Mariusz

doi:10.1016/j.palaeo.2012.12.011

Cited by 69 publications

(66 citation statements)

References 44 publications

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“…a Age scale; b lithology of the Holocene part of the Lake Strzeszyńskie sediment core (see Fig. 3 for a legend); c log(Ca/ Fe) profile of the Lake Strzeszyńskie sediment core; d 9 elevated lake-level periods recognized in the Lake Strzeszyńskie sediment profile on the basis of distinct lithological changes and log(Ca/Fe) minima (see text for discussion); e reconstruction derived from various geological archives ; f reconstruction based on plant macrofossils and testate amoebae (Gałka et al 2013); g multi-site summary (Magny 2004); h testate amoebae-derived quantitative water table reconstruction (Lamentowicz et al 2008) also known as one of the major cold phase in the Holocene (Wanner et al 2011).…”

Section: Lake-level Changes During the Holocenementioning

confidence: 99%

“…Several records have documented variations in the effective precipitation in Poland associated with the migration of the central European transition zone (Gałka et al 2013Lamentowicz et al 2015;Słowiński et al 2016;Apolinarska and Gałka 2017). Twelve distinct wet periods lasting from one hundred up to one thousand years have been identified over Poland during the Holocene ).…”

Section: Introductionmentioning

confidence: 99%

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Holocene paleohydrological reconstruction of Lake Strzeszyńskie (western Poland) and its implications for the central European climatic transition zone

et al. 2017

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Western Poland is located in the central European climatic transition zone, which separates the mild and humid Atlantic climate of Western Europe and the East European continental climate. This region is sensitive to lateral shifts of the European climate zones and is particularly suitable for reconstructing Holocene climate variability. This paper presents detailed analyses of the sedimentary record from Lake Strzeszyńskie since the Late Pleistocene. These include smear-slide and thin-section observations, X-ray fluorescence core scanning, magnetic susceptibility measurements, pollen analyses, and radiocarbon dating. The sediment record reveals three distinct sedimentary units consisting of: (1) an alternation of sand layers and laminated silt and clay deposits accumulated prior to 14,600 cal yr BP; (2) faintly laminated calcareous sediments intercalated with organic matter-rich layers deposited between 14,600 and 10,200 cal yr BP; and (3) massive calcareous mud deposited after 10,200 cal yr BP. The Holocene period is marked by nine phases of organicrich sedimentation and enhanced Fe deposition, which occurred at ca. 10.1, 9.3, 6.4-6.1, 5.5-5.1, 4.7-4.5, 2.7-2.4, 1.3-1.2, 0.8-0.6, 0.4-0.2 kyr cal BP. These phases are associated with high lake levels and correspond with wet periods recognized in several other records from Poland and central Europe. These phases partly coincide with North Atlantic cold periods, which may suggest that high lake levels are triggered by an ocean-continent linking mechanism.

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Section: Lake-level Changes During the Holocenementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Holocene paleohydrological reconstruction of Lake Strzeszyńskie (western Poland) and its implications for the central European climatic transition zone

et al. 2017

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“…1), so ma rine in un da tion along the river val ley is less likely. The be gin ning of the 13th cen tury was also a time of in creased pre cip i ta tion in Po land (Ga³ka et al, 2013;Starkel et al, 2013).…”

Section: Origin Of the Event Layersmentioning

confidence: 99%

Sedimentary evidence of extreme storm surge or tsunami events in the southern Baltic Sea (Rogowo area, NW Poland)

Piotrowski

Szczuciński

Sydor

et al. 2017

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The Bal tic Sea is not typ i cally con sid ered as an area af fected by tsu na mis. How ever, dur ing the Late Pleis to cene and Ho lo cene sev eral tsu nami events have been in ter preted from the sed i men tary re cord, mainly in Swe den and Es to nia. Fur ther more, on the south ern coast of the Bal tic Sea, there are his tor i cal ac counts of catastrophical ma rine floodings called "der Seebär" ("the Sea Bear"). Their de scrip tions re veal many fea tures typ i cal for tsu nami, but their gen e sis re mained un known and sed i men tary ev i dence for such events has not been found. Here we pro vide ev i dence of sandy event lay ers from the area of Rogowo, NW Po land -the area of his tor i cal cat a strophic storms as well as "der Seebär" events. The study area is a low-ly ing coastal plain with an av er age el e va tion of -0.5 to +0.5 m a.s.l., pro tected from the open sea by beach and coastal dune sys tems up to 5 m high. Sedimentological, micropalaeontological and geo chem i cal anal y ses along with AMS 14 C dat ing were ap plied to sed i mentary suc ces sions seen in 5 ma jor trenches and 198 sed i ment cores up to 1.5 m long. Two sandy lay ers were iden ti fied in the peat de pos its that de vel oped on the plain dur ing the last ~2000 years. They re veal a num ber of typ i cal fea tures of tsu nami depos its (sig nif i cant lat eral ex tent and thick ness, rip-up clasts, chem i cal and micropalaeontological ev i dence of ma rine or i gin), how ever, 14 C dat ing along with the his tor i cal ac counts re vealed that the ma jor layer, ex tend ing at least 1.2 km from the mod ern coasts, was prob a bly de pos ited by ar gu ably the larg est storm surge dur ing the last 2000 years, which took place in 1497 AD. These storm de pos its were likely formed dur ing in un da tion of the low-ly ing coastal plain af ter ma jor breach ing of coastal dunes re sult ing in tsu nami -like flow pat tern and thus sim i lar sedimentological ef fects. A dis con tin u ous sand layer of youn ger age (18th cen tury) and shar ing sim i lar prop er ties to the pre vi ous one may be re lated to "der Seebär" event or an other storm surge. The study re vealed that the south ern Bal tic Sea coast may be af fected by much greater coastal flood ing than known from more re cent ac counts and ob ser va tions. Thus, the pre sented geo log i cal re cord should be taken as an ex am ple of a worst-case scenario in coastal zone risk as sess ment from nat u ral haz ards. These events left sed i men tary de pos its that re sem ble tsu nami depos its. It is likely that, in sim i lar set tings where storm surges cause uni di rec tional in un da tion of a coastal plain, it may not be pos si ble to es tab lish whether the re sult ing de pos its were laid down from storms or tsu na mis.Key words: tsu nami de pos its, storm surge de pos its, grain size anal y sis, geo chem is try, ra dio car bon dat ing, Bal tic Sea.

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“…In this study, we performed a high-resolution palaeoecological reconstruction from Kusowskie Bagno, a Baltic bog in northern Poland. Until now, only one complete record for the Stążki bog was analysed using many proxies (Gałka et al, 2013b). Kusowskie Bagno bog is located ca 100 km south-west from Stążki at a similar altitude and comparable distance from the Baltic Sea.…”

Section: Introductionmentioning

confidence: 99%

Reconstructing climate change and ombrotrophic bog development during the last 4000years in northern Poland using biotic proxies, stable isotopes and trait-based approach

Lamentowicz

Gałka

Lamentowicz

et al. 2015

Palaeogeography, Palaeoclimatology, Palaeoecology

100

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In this study, we present a record spanning the last 4000 years from a Baltic bog (Kusowskie Bagno) in northern Poland. Using numerous biotic and abiotic proxies, such as testate amoebae (depth to water table reconstructions), stable carbon isotopes ( 13 C), plant macrofossils (proxies for local vegetation and mire surface wetness), pollen and spores (proxies for regional vegetation and human impact), we reconstructed and identified the regional hydro-climatic signal of Kusowskie Bagno bog and compared it to other bog records around the Baltic Sea. Our aims were to: 1) combine the species traits of bryophytes and testate amoebae, and more common proxies (isotopes, plant micro-and macro-remains) to infer past peatland development, 2) compare the hydroclimatic signal of Kusowskie Bagno bog to existing records around the Baltic Sea. We found that Kusowskie Bagno bog was very wet during the last 4000 years, and even drainage and peat exploitation had not disturbed its hydrology in northern part in the last 200 years. Carbon isotopes and plant macrofossils were significantly related to specific traits of testate amoebae, which in turn reflected the water table changes over the last 4000 years. Kusowskie Bagno recorded at least the following wet shifts: AD 250, 550, 850, 1250 and 1700, while wet conditions occurred during the Migration period at ca AD 550. Furthermore, the testate amoeba-based quantitative wetness reconstruction in Kusowskie Bagno bog resembles the pattern observed in other sites around the Baltic, i.e., Estonia, Finland, Ireland, northern Britain and the 7500-year record from the Stążki bog, northern Poland. Our results provided statistically validated evidence that interactions between plant and microbe need to be more considered further to reconstruct past hydrological. This is the first study of past hydro-climatic changes in peatlands based upon a trait-based approach.

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Palaeohydrology, fires and vegetation succession in the southern Baltic during the last 7500years reconstructed from a raised bog based on multi-proxy data

Cited by 69 publications

References 44 publications

Holocene paleohydrological reconstruction of Lake Strzeszyńskie (western Poland) and its implications for the central European climatic transition zone

Holocene paleohydrological reconstruction of Lake Strzeszyńskie (western Poland) and its implications for the central European climatic transition zone

Sedimentary evidence of extreme storm surge or tsunami events in the southern Baltic Sea (Rogowo area, NW Poland)

Reconstructing climate change and ombrotrophic bog development during the last 4000years in northern Poland using biotic proxies, stable isotopes and trait-based approach

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