Reconstruction of palaeoprecipitation based on pollen transfer functions – the record of the last 16 ka from Laguna Potrok Aike, southern Patagonia

Schäbitz, Frank; Wille, Michael; Francois, Jean Pierre; Haberzettl, Torsten; Quintana, Flavia; Mayr, Christoph; Lücke, Andreas; Ohlendorf, Christian; Mancini, Virginia; Paez, Marta M.; Prieto, Aldo R.; Zolitschka, Bernd

doi:10.1016/j.quascirev.2012.12.006

Cited by 53 publications

(41 citation statements)

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“…Ohlwein and Wahl (2012) offer a state-of-the art review of these methods. There are numerous recent applications, including those for pollen sequences in Siberia (Klemm et al, 2013), South Africa (Truc et al, 2013) and southern Patogonia (Schäbitz et al, 2013), and even for amoebae in reconstructing past hydrology (Payne et al, 2011) or midges in deducing palaeotemperatures (Velle et al, 2010).…”

Section: Fossils As Representations Of Quaternary Climatementioning

confidence: 99%

Recent methodological advances in Quaternary palaeoecological proxies

Meadows

2014

Progress in Physical Geography: Earth and Environment

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This progress report reviews and assesses recent developments in the analysis and interpretation of palaeoecological proxies that have led to important advances in our understanding of past Quaternary environments that emerge as crucial elements of more robust and reliable predictions of future climates and their ecological implications. Recently discovered archives, or technological advances associated with the biological proxies they contain, are leading to higher resolution and more detailed reconstructions of environments in a wide range of geographical circumstances. There are also important emerging palaeoecological methodologies that enable scientists to reconstruct past environments in greater detail and to apply chronologies that are more precise and accurate. Given these developments, a variety of applications, some of which are more obviously aimed at resolving practical problems in, for example, conservation science and even archaeology, are explored.

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Section: Fossils As Representations Of Quaternary Climatementioning

confidence: 99%

Recent methodological advances in Quaternary palaeoecological proxies

Meadows

2014

Progress in Physical Geography: Earth and Environment

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“…In northwest China, which includes typical arid and semi-arid regions, we have had only had a limited understanding of past precipitation changes. Therefore, the inclusion of climatic indicators, such as ice cores [6], lake sediment [7], loess [8], biologic indicators [9], and tree-rings, are needed as proxies to better understand the long-term variations in precipitation in northwest China [10].…”

Section: Introductionmentioning

confidence: 99%

Reconstructed Inter-Annual Variation in September–October Precipitation for the Upper Reaches of the Heihe River and Its Implications for Regional Drought Conditions

Wang

Chen

et al. 2017

Forests

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Due to the lack of available long-term climatic records, data related to past autumn precipitation variability throughout Northwest China, especially high-frequency variation, remains limited. In this study, it was found that inter-annual changes in Qinghai spruce radial growth were significantly and negatively (p < 0.05) correlated to inter-annual differences in precipitation during the late growing season (September-October) at all sampling sites in the upper reaches of the Heihe River. Based on the growth-climate relationship, a reconstruction of the inter-annual variation in September-October precipitation from 1839 was developed. With the help of this reconstruction, we successfully captured increased inter-annual variations in September-October precipitation during 1855-1861, 1892-1902, and 1969-1986. Furthermore, we found that increased precipitation variation might be related to variation in the westerlies and instability in the relationship between the regional westerly and precipitation. Moreover, our reconstructed data significantly correlated to the drought index (i.e., October SPEI_01) and moisture-related parameters (i.e., September-October cloud fraction), suggesting that our reconstructed data could be used as an indicator of the drought condition in the Heihe River Basin during the late growing season.

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“…In particular, and despite its great interest for paleoclimatic reconstruction as the sole continental landmass entirely within the area of influence of the Southern Westerly Wind (SWW) belt (Kilian and Lamy, 2012) date only five CF have been published for continental southern South America (Patagonia): two pollen-based CF for precipitation estimation (Tonello et al, 2009;Schäbitz et al, 2013); one chironomid-based CF for air temperature estimation (Massaferro and Larocque-Tobler, 2013); one thecamoebian-based CF for water table depth reconstruction in peat bogs (Van Bellen et al, 2014), and an ostracod-based CF for chlorine content estimation (Cusminsky et al, 2011).…”

Section: Introductionmentioning

confidence: 99%