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Valerie van den Bos
Victoria University of Wellington
PrecipitationGeologyHoloceneSouthern HemisphereClimatology
3Publications
1H-index
3Citations
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Publications 4
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In palynology and other laboratory-based disciplines, methodological literature often lags the development and adoption of new practices. Here we highlight the lack of literature on the application of heavy liquid density separation for pollen preparations, a technique that has become common practice in recent years. In a study of Holocene-age sediments from Lake Pupuke, northern New Zealand, we found that the density of the heavy liquid used to separate pollen from the minerogenic fraction, wit...
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#1Rewi M. Newnham (Victoria University of Wellington)H-Index: 41
#2Zoe Hazell (Historic England)H-Index: 1
Last. Ignacio A. JaraH-Index: 3
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Abstract In comparison with temperature reconstructions, New Zealand proxy records for paleo-precipitation are rare, despite the importance of precipitation in contemporary climate variability and for projected climate impacts. In this study, records of mid-late Holocene palaeomoisture variation were derived for two hydrologically separate ombrotrophic Restionaceae bogs in northern New Zealand, based on peat humification analysis. At each site, three cores were analysed for peat humification, fa...
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#1Valerie van den Bos (Victoria University of Wellington)H-Index: 1
#2Andrew B. H. Rees (Victoria University of Wellington)H-Index: 9
Last. Paul Augustinus (University of Auckland)H-Index: 22
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Abstract The Holocene thermal maximum (HTM) is a spatio-temporally variable period of generally warmer conditions during the early and middle Holocene that is often used as an analogue for future climate change. Global scale climate reconstructions and models tend to smooth out the variations and complexity of the HTM and inconsistencies between reconstructions from different locations and proxies are often attributed to bias arising from different locations or proxies. We use these differences ...
3 CitationsSource
#2Janet M. WilmshurstH-Index: 37
Last. Rewi M. NewnhamH-Index: 41
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