♣Chemical
Geology♣
1. Modeling biogeochemical processes and isotope
fractionation of enhanced in situ biodenitrification in a fractured
aquifer
Paula Rodríguez-Escales,
Albert Folch, Georgina Vidal-Gavilan, Boris M. van Breukelen
♣Quaternary
Science Reviews♣
2. Late Weichselian and Holocene record of the
paleoenvironmental changes in a small river valley in Central Poland
Dominik Pawłowski ,
Ryszard K. Borówka, , Grzegorz A. Kowalewski , Tomi P. Luoto, Krystyna Milecka ,
Liisa Nevalainen , Daniel Okupny, , Julita Tomkowiak, Tomasz Zieliński
•Soil Δ17O is strongly correlated with mean annual
precipitation.
•Paleosol and ancient
aquifer Δ17O served as a paleo-precipitation proxy.
•Surface Δ17O isoscapes
were generated using global precipitation data.
♣Quaternary International♣
3. Paleoenvironmental
studies in the Korean Peninsula and adjacent geographic areas
Sangheon Yi
total of 24 papers are contained in this volume, and the data for
each originated in and around the Korean Peninsula. Listed in order, the
research topics are: terrestrial paleoenvironments, Paleolithic/prehistoric
life, and paleoceanography.
♣Earth
and Planetary Science Letters♣
4. Mg/Ca-ΔCO2−3pore water-temperature
calibration for Globobulimina spp.: A sensitive paleothermometer for deep-sea
temperature reconstruction
Syee Weldeab, Adam Arce,
Sabine Kasten
•A sensitive Mg/Ca
paleothermometer for deep-sea temperature reconstruction is presented.
•Concentration of ΔCO2−3
in porewater is spatially and temporally variable.
•ΔCO2−3 pore water is
highly correlated to the ΔCO2−3 of the overlying bottom water.
•Mg/Ca (Globobulimina)
sensitivity to ΔCO2−3 is estimated 0.009 mmol/mol/μmol/kg.
5. CO2 over the past 5 million years: Continuous simulation
and new δ11B-based proxy data
Lennert B. Stap , Bas de
Boer, Martin Ziegler, Richard Bintanja, Lucas J. Lourens, Roderik S.W. van de
Wal
・We present a continuous simulation of CO2 over the past 5 million years.
•We use a coupled ice
sheet–climate model forced inversely by benthic δ18O.
•Our model supports CO2
levels of up to 470 ppm during the early Pliocene.
•During this time, ESS is
reduced in our model, due to less ice sheet variability.
•Our results are in broad
agreement with existing and new δ11B-based proxy CO2 data.
6. Late Quaternary environmental change in the interior
South American tropics: new insight from leaf wax stable isotopes
Kyrstin L. Fornace ,
Bronwen S. Whitney, Valier Galy, Konrad A. Hughen, Francis E. Mayle
•Climate history of
Pantanal wetlands over past 40 kyr from leaf wax δ13C and δD
•Leaf wax δ13C reveals
large C3/C4 vegetation shifts complementing pollen record.
•Drier LGM conditions
point to regional variability of glacial monsoon precipitation.
•Holocene hydrologic
trend consistent with precessional forcing of monsoon.
•Leaf wax δD record
mainly reflects vegetation change.
7. Reduced deep ocean ventilation in the Southern Pacific
Ocean during the last glaciation persisted into the deglaciation
Elisabeth L. Sikes, Mea
S. Cook, Thomas P. Guilderson
•Glacial deep ventilation
ages in the Southwest Pacific were as much as ∼3500 yr.
•Oldest glacial 14C ages
were at mid water (∼2500–3500 m) not abyssal
depths.
•Benthic-minus-planktonic
differences ages mask old ventilations ages.
•Deep ventilation
decreases in progressively deeper water across the deglaciation.
•A modern profile of
ventilation ages is established by ∼15 ka.
♣Palaeogeography,
Paleoclimatology, Paleoecology♣
8. Fish
otolith assemblages from Recent NE Atlantic sea bottoms: A comparative study of
palaeoecology
Chien-Hsiang Lin , Angela Girone, Dirk Nolf
•Pelagic
and benthic–benthopelagic taxa differ in quantity and diversity.
•Otolith
assemblage reflects its own biogeographical feature.
•Benthic–benthopelagic
taxa are important for bathymetric interpretation.
•Mesopelagic
taxa with otolith size-related distribution improve interpretation.
9. Paleoenvironmental insights into the Quaternary
evolution of the southern Brazilian coast based on fossil and modern diatom
assemblages
Cristiane
Bahi dos Santos-Fischer, Iran Carlos Stalliviere Corrêa, Jair Weschenfelder,
Lezilda Carvalho Torgan, Jeffery Robert Stone
・Diatom
assemblages reflect changes in sediment production and transport at least
43,500 yr BP
•The
spatial distribution of fossil assemblages are strongly linked to sea-level
oscillations
•Three
salinity zones are identified in Patos Lagoon related to freshwater and marine
taxa
•Paralia
sulcata occurred continuously from Late Pleistocene-Holocene, but is rare in
modern sediments
•Abrupt
changes in sedimentation have been recorded during LGM related to shifts in
marine/freshwater deposition
10. Postglacial sediment deposition along a mixed carbonate-siliciclastic
margin: New constraints from the drowned shelf-edge reefs of the Great Barrier
Reef, Australia
Gustavo
Hinestrosa, Jody M. Webster, Robin J. Beaman
•Seismic
stratigraphy study of drowned shelf-edge reef systems of the GBR.
•Postglacial
sequence deposited between two flooding surfaces.
•Margin
architecture driven by shelf physiography, antecedent substrate and sea level
change.
•Conceptual
model of postglacial deposition in mixed siliciclastic-carbonate margins.
♣Quaternary Research♣♣Geochimica et Cosmochimica Acta♣
♣Quaternary Geochronology♣
♣Global and Planetary Change♣
なし
