Results 161 to 170 of about 5,424,467 (257)

Walrus population-specific marine reservoir offsets (ΔR) for calibration of radiocarbon dates: Implications for Arctic chronologies and medieval trade. [PDF]

Holocene
Philippsen B, Dierickx K, Falahati-Anbaran M, Kunisch EH, Royle TCA, Sabin R, Sollid E, Barrett JH.   +7 more
europepmc   +1 more source

Sustained algal-bacterial interactions promote accumulation of recalcitrant particulate carbon with accelerated radiocarbon aging signatures. [PDF]

Nat Commun
Zhao H, Zhang Z, Feng X, Nair S, Yuan H, Song J, Li X, Jiao N, Zhang Y.   +8 more
europepmc   +1 more source

Results and Methods in the Radiocarbon Dating of Pottery

, 1992
The main problem with dating pottery by radiocarbon is that many different carbon sources, of different radiocarbon age, may contribute to the potsherd carbon content.
Tiemei, Chen, Hedges, R. M., Housley, R. A.   +2 more
core  

Radiocarbon Reveals Modern Carbon Exchange With Topsoil Inorganic Carbon in Drylands. [PDF]

Glob Chang Biol
Wang H, Huang J, Maestre FT, Zhao G, Lu N, Wang C, Chen W, Bramble SE, Schrumpf M, Dippold MA, Zhang Y, Zaehle S, Fu B, Trumbore S.   +13 more
europepmc   +1 more source

New radiocarbon dates of the North Asian steppe zone and its consequences for the chronology.

, 2001
The chronological problems of the Steppe zone have been under intensive investigation during the last years but no generally accepted chronological system existed up to now. We present new radiocarbon dates of samples from several excavation sites.
Goersdorf, Jochen, Parzinger, Hermann, Nagler, Anatoli   +2 more
core  

Multiproxy bioarchaeological analyses reveal subsistence shift in Bronze Age Central Europe. [PDF]

Sci Adv
Depaermentier MLC, Makarowicz P, Szczepanek A, Snoeck C, Morvan M, Belka Z, Kempf M, Pospieszny Ł, Taras H, Chyleński M, Górski J, Goslar T, Grygiel R, Jarosz P, Juras A, Lasota-Kuś A, Matoga A, Nowak M, Przybyła MM, Tunia K, Włodarczak P, Wilczyński J, Wójcik I, Motuzaitė Matuzevičiūtė G.   +23 more
europepmc   +1 more source

ENEA Radiocarbon Measurements III

, 2008
This paper includes determinations of archaeological samples coming from different sites and performed at the ENEA Radiocarbon ...
Giuseppe Magnani, Ernesto Marino
core  

Rewriting the history of the invasive spiny water flea in North America. [PDF]

Proc Natl Acad Sci U S A
Kontou D, Ascough PL, Favot EJ, Grooms C, Paterson AM, Smol JP, Tanentzap AJ.   +6 more
europepmc   +1 more source

University of Miami Radiocarbon Dates XVII

, 1980
The following radiocarbon dates are a partial list of samples measured for a variety of projects and materials since April 1979. Chemical and counting procedures remain the same as indicated in R, v 20, p 274-282.
Introne, D S, Mattes, J, Stipp, J J, Johnson, R   +3 more
core  

Why it is easier to date Quaternary extinctions than human colonizations under conditions of overkill. [PDF]

Camb Prism Extinct
Surovell TA.
europepmc   +1 more source