Results 21 to 30 of about 17,459 (196)

Radioactivity of soil in Croatia I: naturally occurring decay chains

Arhiv za Higijenu Rada i Toksikologiju, 2021
The assessment of environmental radioactivity much relies on radionuclide content in soil. This stems from the significant contribution of soil to both external and internal exposure to ionising radiation via direct emission of gamma radiation and soil ...
Šoštarić Marko, Petrinec Branko, Avdić Mak, Petroci Ljerka, Kovačić Milica, Zgorelec Željka, Skoko Božena, Bituh Tomislav, Senčar Jasminka, Branica Gina, Franić Zdenko, Franulović Iva, Rašeta Davor, Bešlić Ivan, Babić Dinko   +14 more
doaj   +1 more source

Molecular Level Characterization of Diatom and Coccolithophore-Associated Biopolymers That Are Binding 210Pb and 210Po in Seawater

Frontiers in Marine Science, 2021
Through a combination of selective extractions and molecular characterization techniques including Isoelectric Focusing Chromatography and Electrospray Ionization Fourier-Transform Ion Cyclotron Resonance Mass spectrometry, molecular structures of diatom
Peng Lin, Chen Xu, Wei Xing, Peter H. Santschi, Peter H. Santschi   +4 more
doaj   +1 more source

Bayesian improvements to 210Pb dating

, 2021
<p>Dating with <sup>210</sup>Pb has been instrumental in providing chronologies for sedimentary deposits back to around 100-150 years ago — a key period for recent environmental events such as increased pollution caused by industry developments.
Maarten Blaauw, Marco Aquino-Lopez, J. Andrés Christen   +2 more
openaire   +2 more sources

Sediment geochemistry and accumulation rates on the northeastern shelf of the Gulf of Cádiz (SW Iberian Peninsula)

Scientia Marina, 2010
Geochemistry, total organic carbon and total nitrogen of three sediment cores collected in the Gulf of Cádiz and the Guadalquivir prodelta areas in Spain were investigated.
Roberta Guerra, Enrico Dinelli, Serena Righi, Jesús M. Forja, Enrique García-Luque   +4 more
doaj   +1 more source

Temporal Variations of 7Be and 210Pb Activity Concentrations in the Atmosphere and Aerosol Deposition Velocity in Shenzhen, South China

Aerosol and Air Quality Research, 2020
Naturally occurring beryllium-7 (7Be) and lead-210 (210Pb) serve as powerful tracers in atmospheric studies. In this study, 7Be and 210Pb were simultaneously measured in atmospheric aerosols and deposition samples for an entire year (from January to ...
Guoqing Liu, Jiabao Wu, Yong Li, Lingling Su, Minxia Ding   +4 more
doaj   +1 more source

Greenhouse gas balance over thaw-freeze cycles in discontinuous zone permafrost [PDF]

, 2017
Peat in the discontinuous permafrost zone contains a globally significant reservoir of carbon that has undergone multiple permafrost-thaw cycles since the end of the mid-Holocene (~3700 years before present).
Burnett, W. C., Chanton, Jeff P., Dimova, N., Fitzhugh, L., Frolking, Stephen E., Harrison, M. D., Whiting, G. J., Wilson, R. M.   +7 more
core   +3 more sources

Ascertaining the nature and timing of mire degradation : using palaeoecology to assist future conservation management in Northern England [PDF]

, 2017
This study was initiated under contract VT0419 from English Nature (Natural England) to CECQR. In 2015, additional funding was provided by the Yorkshire Peat Partnership, for 210Pb dating, to refine age–depth estimates.
Alistair Crowle, Dmitri Mauquoy, Frank Chambers, John Daniell, Julia McCarroll, Julia Webb, Nicole Sanderson, null null, Phil Toms, Tim Thom   +9 more
core   +3 more sources

Radioactive elements in atmospheric precipitations of the Western Siberia [PDF]

E3S Web of Conferences, 2019
The radionuclide composition of the atmospheric precipitations (rain and snow) fell out on the territory of the South of the Western Siberia in 2016-2017 was studied.
Melgunov Mikhail, Mezina Kseniya, Sherbov Boris, Vosel Yuliya, Zhurkova Inna, Belyanin Dmitriy   +5 more
doaj   +1 more source

Variations of 210Pb concentrations in surface air at Thessaloniki, Greece (40°N)

EPJ Web of Conferences, 2012
Atmospheric concentrations of 210Pb were measured over the year 2009 in ground level air at Thessaloniki, Northern Greece (40°62′ N, 22°95′E). The mean activity concentrations of 210Pb in surface air have been found to be 671 ± 213 μBq m−3.
Papastefanou C., Karanatsiou A., Kotsopoulou E., Ioannidou A.   +3 more
doaj   +1 more source

Geochronological implications of 210Pb and 137Cs mobility in cave guano deposits

International Journal of Speleology, 2021
Some recent publications on the paleo- and historical environmental interpretation of bat guano sequences have relied on 210Pb and 137Cs distribution to establish age-depth models, even when these are at odds with radiocarbon models in the lower parts of
Donald McFarlane, Joyce Lundberg
doaj   +1 more source