New Papers (AGU, EGU, GSA) 2019/1/21 ~ 1/27

Geophysical Research Letters

1.     Accelerated volume loss in glacier ablation zones of NE Greenland, Little Ice Age to present
Jonathan L. Carrivick, Clare M. Boston, Owen King, William H. M. James, Duncan J. Quincey, Mark W. Smith, Michael Grimes, Jeff Evans

JGR: Oceans

2.     Interannual Coral Δ¹⁴C Records of Surface Water Exchange Across the Luzon Strait
R. D. Ramos, N. F. Goodkin, E. R. M. Druffel, T. Y. Fan, F. P. Siringan

Climate of the past

3.     Heinrich events show two-stage climate response in transient glacial simulations
Florian Andreas Ziemen, Marie-Luise Kapsch, Marlene Klockmann, and Uwe Mikolajewicz

4.     The 4.2 ka event in the central Mediterranean: new data from a Corchia speleothem (Apuan Alps, central Italy)
Ilaria Isola, Giovanni Zanchetta, Russell N. Drysdale, Eleonora Regattieri, Monica Bini, Petra Bajo, John C. Hellstrom, Ilaria Baneschi, Piero Lionello, Jon Woodhead, and Alan Greig

5.     The drivers of late Quaternary climate variability in eastern South Africa
Charlotte Miller, Jemma Finch, Trevor Hill, Francien Peterse, Marc Humphries, Matthias Zabel, and Enno Schefuß

6.     Joint inversion of proxy system models to reconstruct paleoenvironmental time series from heterogeneous data
Gabriel J. Bowen, Brenden Fisher-Femal, Gert-Jan Reichart, Appy Sluijs, and Caroline H. Lear

Paleocenography and Paleoclimaology

7.     Competing temperature and atmospheric circulation effects on southwest Madagascan rainfall during the last deglaciation
Nick Scroxton, Stephen J. Burns, David McGee, Ben Hardt, Laurie R. Godfrey, Lovasoa Ranivoharimanana, Peterson Faina

Geochemistry, Geophysics, Geosystems

8.     A 16 kyr record of ocean circulation and monsoon intensification from the central Bay of Bengal
Sushant S. Naik, Chandranath Basak, Steven L. Goldstein, P. Divakar Naidu, Smita N. Naik

9.     Particle size specific magnetic properties across the Norwegian‐Greenland Seas: Insights into the influence of sediment source and texture on bulk magnetic records

Robert G. Hatfield, Benjamin H. Wheeler, Brendan T. Reilly, Joseph S. Stoner, Bernard A. Housen

JGR: Earth Surface

Biogeosciences

Global Biogeochemical Cycles

no relevant

New Papers 2019 January 20 - 27 (Elsevier)

Geochimica et Cosmochimica Acta

1.         From the crust to the cortical: The geochemistry of trace elements in human bone

Jennifer S. Harkness, Thomas H. Darrah

Global and Planetary Change

2.         Terrigenous sediment input responding to sea level change and East Asian monsoon evolution since the last deglaciation in the southern South China Sea

Thanakorn Jiwarungrueangkul, Zhifei Liu, Yulong Zhao

Paleogeography, Paleoclimatology, Paleoecology

3.         Disorientation of corals in Late Ordovician lime mudstone: A case for ephemeral, biodegradable substrate?

Mirinae Lee, Robert J. Elias, Suk-Joo Choh, Dong-Jin Lee

4.         Seaward growth of Antarctic continental shelves since establishment of a continent-wide ice sheet: Patterns and mechanisms

Katharina Hochmuth, Karsten Gohl

5.         Changes in foraminiferal assemblages and environmental conditions during the T-OAE (Early Jurassic) in the northern Lusitanian Basin, Portugal

M. Reolid, L.V. Duarte, P. Rita

Quaternary Geochronology

6.         iceTEA: Tools for plotting and analysing cosmogenic-nuclide surface-exposure data from former ice margins

R.S. Jones, D. Small, N. Cahill, M.J. Bentley, P.L. Whitehouse

Quaternary International

7.         Multicultural responses to environmental changes of the Holocene in the Nihewan-Huliu Basin of North China

Zhang Jiuxing, Wang Xinyuan, Yang Ruixia, Li Xuzhi, Zhang Wei

8.         The lake status records and paleoclimatic changes of China since the Last Interstadial

Fengju Zhang, Bin Xue, Shuchun Yao

9.         Last record of Trogontherium cuvieri (Mammalia, Rodentia) from the late Pleistocene of China

Yangheshan Yang, Qiang Li, Łucja Fostowicz-Frelik, Xijun Ni

10.     Temperature and rainfall amount effects on hydrogen and oxygen stable isotope in precipitation

Qingchun Yang, Haokun Mu, Junchun Guo, Xinhua Bao, Jordi Delgado Martín

11.     New insights into the magnetic characteristics of high mountain loess in Central Asia and its paleoclimatic implications

Jia Jia, Bo Wang, Caichen Lu, Youjun Wang, Lidong Zhu, Dunsheng Xia

Quaternary Science Reviews

12.     A history of the modern Aral Sea (Central Asia) since the Late Pleistocene

G.S. Burr, Y.V. Kuzmin, S.K. Krivonogov, S.A. Gusskov, R.J. Cruz

13.     Earth system impacts of the European arrival and Great Dying in the Americas after 1492

Alexander Koch, Chris Brierley, Mark M. Maslin, Simon L. Lewis

University of Kansas Colloquium

Definition of GRIT: 

Firmness of character; indomitable spirit (the Merriam-Webster dictionary)

Perseverance and passion for long-term goals (Dr. Angela Duckworth)

Let’s be gritty in 2019 ;)

Thanks to Dr. Noah McLean, I am very grateful for the opportunity to talk about my research at the Department of Geology, University of Kansas. 

https://kucoga.blog/event/colloquium-tomoko-bell-university-of-tokyo/

I would say this department has the most beautiful laboratory that I have ever seen! This research institute is filled with the ambiance of creativities and innovations. For example, the dinosaur hanging from the ceiling, and there are whiteboards everywhere along the stairs to write down fruitful ideas. Based on my experience, I know some exciting ideas can be born anytime anywhere!

My talk was at the very modern auditorium, Beren Center, Slawson Hall. We had undergraduate, graduate students, professors from the department and researchers from Kansas Geological Survey. 

I talked about Dr. Yusuke Yokoyama’s lab (how awesome he and our lab members are!), and mainly about my dissertation project: why coral Sr/Ca rocks and why Mg/Ca does not? By using the results from coral genome data, culture experiments including fertilization of corals and RNA extraction, I hope that I was able to introduce a new view to evaluate paleotemperature proxies using calcium carbonate. The question and answer time was very constructive, and by digesting all that feedback, I am very thrilled to submit a new paper this spring to elucidate more about Mg incorporation into aragonite crystals. 

I am very thankful for all the courtesy of Dr. McLean and everybody at the department. I was able to have a nice lunch with Christine, Clark and Julie at a local brewery, and we enjoyed talking about their research and career choices. I should mention that this was the very first time to try soup with fresh beer. After the talk, Dr. Enos, Dr. Hasiuk, and Dr. McLean and I enjoyed happy hour at McLain’s Market on the campus. I was pleased to find the beer called “Ad Astra Ale” named from Kansas motto (Ad Astra per Aspera), which has been my motivational quote to get through the past two years as written out on the first page of my dissertation.

To finish off the day, I had a wonderful dinner with Dr. McLean and Dr. Stotler near the campus. It is such an amazing feeling to meet and get connected to new people through my research. Downtown Lawrence was decorated with Christmas lights, and I had such a blessed day as a researcher. Again, I sincerely thank Dr. McLean and everybody at the Department of Geology, University of Kansas.

Ashley and Element at the lab

the Earth, Energy and Environment Center

Entrance of the building

Happy Hour with Dr. Enos, Dr. McLean and Dr. Hasiuk 

New Papers(Elsevier) 2018/12/24–1/06

Quaternary International

1.    Evolution of mammal species composition and species richness during the Late Pleistocene Holocene transition in Europe: A general view at the regional scale
A.Yu Puzachenko and A.K. Markova

2.     Holocene climate change and sea level oscillations in the pacific coast of Mexico
Dulce María Bocanegra Ramírez, Hong-Chun Li, Gabriela Domínguez Vázquez, Isabel Israde Alcantara, James L.Bischoff
A 2.75 m long core was recovered from La Joya lagoon at the southern Pacific coast of Mexico. The base of the core gave an age of ca. 5600 a BP. The AMS ¹⁴C dating results indicate a continuously depositional history over the past 5600 years with varied sedimentation rates of 0.022–0.08 cm/yr. Sediment samples were analyzed for pollen, diatoms, loss on ignition (LOI), magnetic susceptibility and elemental analysis, to study the environmental and marine changes occurred during the Holocene in the study site of the Pacific coast. Our data provided indications of the paleoenvironmental changes in the study site from the south Pacific coast of México: a complete marine environment from ca. 5600 to ca. 3200 a BP; a transitional lagoon from ca. 3200 to 1100 a BP; and followed by a shift toward a close lagoon with fresh water during the last 1100 years. The pollen data (the presence of pollen from Cucurbitaceae and secondary taxa related to disturbed vegetation) of La Joya record show evidence of agricultural activities and Human occupation in the study area might exist 5000 a BP.

3.     Mid to late Holocene vegetation change recorded at a Neolithic site in the Yangtze coastal plain, China
Liang Tang, Junwu Shu, Jie Chen, Zhanghua Wang

4.     Eruption age of the Haruna Futatsudake Pumice (Hr-FP), central Japan, by radiocarbon wiggle matching with special reference to a ¹⁴C dataset developed from a Japanese tree
Mitsuru Okuno, Toshio Nakumura, Minoru Sakamoto, Shinya Yatsuzuka, Teruki Oikawa, Nobuo Geshi, Yasuharu Hoshino, Toshihiko Takahashi

Quaternary Science Reviews

5.     Central American climate and microrefugia: A view from the last interglacial
G.M. Cárdenes-Sandí, C.R. Shadik, A. Correa-Metrio, W.D. Gosling, R. Cheddadi, M.B. Bush

6.     Anatomy of a late Quaternary carbonate island: Constraints on timing and magnitude of sea-level fluctuations, West Caicos, Turks and Caicos Islands, BWI
Charles Kerans, Chris Zahm, Steven L. Bachtel, Paul Hearty, Hai Cheng

7.     The timing and nature of the last glacial cycle in New Zealand
J. Shulmeister, G.D. Thackray, T.M. Rittenour, D.Fink, N.R. Patton
•Temperate style of New Zealand glaciation is described.

•Eight significant glacial events are recognised in the last (Otiran) Ice age.

•Multiple glacial drivers are recognised.

•Evidence for possible northward movement of surface westerly winds in late MIS 3 is summarised.

8.     Quantitative reconstruction of primary productivity in low latitudes during the last glacial maximum and the mid-to-late Holocene from a global Florisphaera rofundal calibration dataset
I. Hernández-Almeida, B. Ausín, M. Saavedra-Pellitero, K.-H. Baumann, H.M.Stoll
• An extensive new modern and fossil global dataset of Florisphaera profunda relative abundances.
• F. profunda % show strong correlation to net primary productivity (Npp) only at low latitudes.
• Temperature control of F. profunda at high latitudes does not warrant its use as Npp indicator.

• F. profunda-Npp calibration allows quantitative reconstruction of past ocean productivity.
• Reconstructed Npp at low latitudes is 15% higher during the LGM than the MLH.

Palaeogeography, Paleoclimatology, Paleoecology

9.    Mid- to late-Holocene paleoenvironmental changes and glacier fluctuations reconstructed from the sediments of proglacial lake Buruo Co, northern Tibetan Plateau
Teng Xu, Liping Zhu, Xinmiao Lü, Qingfeng Ma, Junbo Wang, Jianting Ju, Lei Huang

10.  Tree-ring δ¹⁸O inferred spring drought variability over the past 200 years in the Hengduan Mountains, Southwest China
Fan Zhao, Zexin Fan, Tao Su, Shufeng Li, He Tang, Teresa E.V. Spicer, Zhekun Zhou

11.  Spatiotemporal changes in C₄ plant abundance in China since the Last Glacial Maximum and their driving factors
Wenq iJiang, Haibin Wu, Qin Li, Yating Lin, Yanyan Yu

12.  Breakup of Eastern Gondwana as inferred from the Lower Cretaceous Charong Dolerites in the central Tethyan Himalaya, southern Tibet
Yun-Chuan Zeng, Ji-Feng Xu, Jian-Lin Chen, Bao-Di Wang, Feng Huang, Hong-Xia Yu, Xue-Feng Chen, Pei-Pei Zhao

Geochimica et Cosmochimica Acta

13.  Investigation of subglacial weathering under the Greenland Ice Sheet using silicon isotopes
J.E. Hatton, K.R. Hendry, J.R. Hawkings, J.L. Wadham, T.J. Kohler, M. Stibal, A.D. Beaton, E.A. Bagshaw, J. Telling

Earth and Planetary Science Letters

14.  Seafloor weathering and the oxygen isotope ratio in seawater: Insight from whole-rock δ¹⁸O and carbonate δ¹⁸O and Δ₄₇ from the Troodos ophiolite
L.A. Coogan, M. Daëron, K.M. Gillis

Global and Planetary Change

15.  A 4700-year record of hydroclimate variability over the Asian monsoon intersection zone inferred from multi-proxy analysis of lake sediments
Hamilton R., Penny D., Hua Q

16.  Late glacial to deglacial variation of coralgal assemblages in the Great Barrier Reef, Australia
Humblet M., Potts D.C., Webster J.M., Braga J.C., Iryu Y., Yokoyama Y., Bourillot R., Séard C., Droxle rA., Fujita K., Gischler E., Kan H.

17.  Trace fossils evidence of a complex history of nutrient availability and oxygen conditions during Heinrich Event 1
Francisco J., Rodríguez-Tovar, Javier Dorador, David A.V. Hodell

Chemical Geology

Earth Science Reviews

Quaternary Geochronology

Quaternary Research

Marine Geology

Biogeosciences

No relevant