Katrin Hättig
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View article: Stable Middle Miocene Seawater Isotopes in the Eastern North Atlantic Ocean
Stable Middle Miocene Seawater Isotopes in the Eastern North Atlantic Ocean Open
The Middle Miocene is characterized by a long‐term increase in the stable oxygen isotopic composition of benthic foraminifera ( δ 18 O benthic ). However, it is unclear to what extent this increase reflects changes in seawater isotopic com…
View article: Large variability and 2H-depletion of Middle Miocene to Pleistocene alkenone hydrogen isotopes in the Equatorial Pacific reflect subsurface, low light haptophyte growth
Large variability and 2H-depletion of Middle Miocene to Pleistocene alkenone hydrogen isotopes in the Equatorial Pacific reflect subsurface, low light haptophyte growth Open
Hydrogen isotope ratios of haptophyte derived long-chain alkenones (δ2HC37:2) have shown to be a useful tool for reconstructing past isotopic compositions of surface seawater (δ2HSSW). The δ2Hssw is related to global ice volume, sea surfac…
Alkenone-based sea surface salinity and temperature reconstructions across late Pliocene sapropels from the Eastern Mediterranean Sea Open
The Eastern Mediterranean sapropels were deposited during periods of increased monsoonal runoff, enhanced export productivity, salinity stratification and deep-sea anoxia since the Miocene. The most pronounced sapropels, with total organic…
View article: Stable Middle Miocene seawater isotopes in the eastern North Atlantic Ocean
Stable Middle Miocene seawater isotopes in the eastern North Atlantic Ocean Open
The Middle Miocene is characterized by a long-term increase in the oxygen isotopes of benthic foraminifera (δO). However, it is unclear to what extent this increase reflects changes in seawater isotopes or deep water temperature. We presen…
View article: Glacial–interglacial seawater isotope change near the Chilean Margin as reflected by <i>δ</i> <sup>2</sup> H values of C <sub>37</sub> alkenones
Glacial–interglacial seawater isotope change near the Chilean Margin as reflected by <i>δ</i> <sup>2</sup> H values of C <sub>37</sub> alkenones Open
Stable hydrogen isotopic compositions of long-chain alkenones with 37 carbon atoms (δ2HC37) have been shown to reflect seawater salinity in culture and environmental studies, and this potential sea surface salinity proxy has been applied t…
View article: Constraining Water Depth Influence on Organic Paleotemperature Proxies Using Sedimentary Archives
Constraining Water Depth Influence on Organic Paleotemperature Proxies Using Sedimentary Archives Open
The TEX 86 paleothermometer has been extensively used to reconstruct past sea water temperatures, but it remains unclear which export depths the proxy represents. Here we used a novel approach to better constrain the proxy recording depths…
View article: Glacial-interglacial sea water isotope change near the Chilean Margin as reflected by δ <sup>2</sup> H of C37 alkenones
Glacial-interglacial sea water isotope change near the Chilean Margin as reflected by δ <sup>2</sup> H of C37 alkenones Open
Hydrogen isotopic compositions of C37 long chain alkenones (δ2HC37) have been proposed as a proxy for past seawater salinity and applied in several regions. However, previous studies were based solely on a single core and often suggested u…