Temporal changes of 7Be, 137Cs and 210Pb activity concentrations in surface air at Monaco and their correlation with meteorological parameters

2011 ◽  
Vol 102 (11) ◽  
pp. 1045-1054 ◽  
Author(s):  
Mai K. Pham ◽  
Maria Betti ◽  
Hartmut Nies ◽  
Pavel P. Povinec
Keyword(s):  
Meteorological Parameters ◽  
Temporal Changes ◽  
Activity Concentrations ◽  
210Pb Activity

scholarly journals Activity concentrations of ²¹⁰Pb in the aerosol at Hanoi

2021 ◽  
Vol 8 (1) ◽  
pp. 17-22
Author(s):  
Duc Thang Duong ◽  
Thu Bac Vuong ◽  
Quang Long Nguyen ◽  
Thu Ha Nguyen Thi ◽  
Ngoc Quynh Nguyen ◽  
...  
Keyword(s):  
Relative Humidity ◽  
Glass Fiber ◽  
High Activity ◽  
Seasonal Variability ◽  
Meteorological Parameters ◽  
Correlation Coefficients ◽  
Average Value ◽  
Average Temperature ◽  
Activity Concentrations ◽  
210Pb Activity

In this study, aerosol samples at Hanoi, Vietnam from February 2017 to January 2018collected on the glass fiber filter were analyzed for 210Pb by using HPGe spectrometry. 210Pb weekly activity concentrations were in the range of 0.12 mBq.m-3 to 2.87 mBq.m-3 with an average value of 0.92 mBq.m-3 and 210Pb monthly activity concentrations were in the range of 0.99 mBq.m-3 to 9.24 mBq.m-3 with an average value of 4.01 mBq.m-3. The analysis of monthly averaged 210Pb activity concentrations revealed a dominant seasonal variability: high activity concentrations of 210Pb in winter and lower values in summer. The correlation between the activity concentrations of 210Pb in aerosoland the meteorological parameters (average temperature, precipitation and relative humidity) were observed and the obtained correlation coefficients are -0.95, -0.58 and -0.71, respectively.

210Po and 210Pb activity concentrations in Greenlandic seabirds and dose assessment

2020 ◽  
Vol 712 ◽  
pp. 136548 ◽  
Author(s):  
Violeta Hansen ◽  
Anders Mosbech ◽  
Jens Søgaard-Hansen ◽  
Frank Farsø Rigét ◽  
Flemming Ravn Merkel ◽  
...  
Keyword(s):  
Dose Assessment ◽  
Activity Concentrations ◽  
210Pb Activity

scholarly journals Meteorological Factors Controlling 7Be Activity Concentrations in the Atmospheric Surface Layer in Northern Spain

Atmosphere ◽  
2020 ◽  
Vol 11 (12) ◽  
pp. 1340
Author(s):  
Natalia Alegría ◽  
Miguel Ángel Hernández-Ceballos ◽  
Margarita Herranz ◽  
Raquel Idoeta ◽  
Fernando Legarda
Keyword(s):  
Atmospheric Surface Layer ◽  
Meteorological Parameters ◽  
Meteorological Factors ◽  
Back Trajectory ◽  
Monthly Variation ◽  
Northern Spain ◽  
Surface Level ◽  
Analysis Techniques ◽  
Activity Concentrations ◽  
The Impact

This work presents the analysis of weekly 7Be activity concentrations in the air measured in Bilbao (northern Spain) by collecting aerosols in filters over a ten years period (2009–2018). 7Be level is in the 0.35–7.3 mBq/m3 range, with a mean of 3.20 ± 1.12 mBq/m3. The trend, cycle, seasonal and monthly variability are evaluated using time series analysis techniques. The results indicate the impact of sunspots (24th solar cycle) on interannual 7Be activity concentrations, and a significant seasonal and monthly variation, with maximum concentrations occurring in spring-summer and minimum in the winter. The correlation of different 7Be ranges with local meteorological parameters, such as precipitation, temperature, relative humidity, and pressure, is also addressed, with precipitation having the greatest impact on 7Be activity values. The analysis of synoptic airflows, by calculating the back-trajectory clusters, and local winds at surface level reveals the important influence of the arrival of slow northwest Atlantic flows and the development of breezes on reaching high 7Be activity concentrations in this area.

scholarly journals Meteorological parameters contributing to variability in 222Rn activity concentrations in soil gas at a site in Sapporo, Japan

2006 ◽  
Vol 370 (1) ◽  
pp. 224-234 ◽  
Author(s):  
Ryoko Fujiyoshi ◽  
Keita Sakamoto ◽  
Tsukushi Imanishi ◽  
Takashi Sumiyoshi ◽  
Sadashi Sawamura ◽  
...  
Keyword(s):  
Meteorological Parameters ◽  
Soil Gas ◽  
Activity Concentrations ◽  
A Site

210Po and 210Pb activity concentrations in Mytilus galloprovincialis from Croatian Adriatic coast with the related dose assessment to the coastal population

Chemosphere ◽  
2012 ◽  
Vol 87 (11) ◽  
pp. 1295-1300 ◽  
Author(s):  
Martina Rožmarić ◽  
Matea Rogić ◽  
Ljudmila Benedik ◽  
Marko Štrok ◽  
Delko Barišić ◽  
...  
Keyword(s):  
Mytilus Galloprovincialis ◽  
Dose Assessment ◽  
Coastal Population ◽  
Activity Concentrations ◽  
210Pb Activity ◽  
Adriatic Coast

scholarly journals Sedimentation rates in the Lake Qattinah using 210Pb and 137Cs as geochronometer

2014 ◽  
Vol 41 (1) ◽  
pp. 81-86 ◽  
Author(s):  
Eskander Alhajji ◽  
Iyas Ismail ◽  
Mohammad Al-Masri ◽  
Nouman Salman ◽  
Mohammad Al-Haleem ◽  
...  
Keyword(s):  
Sediment Cores ◽  
Past Century ◽  
Sedimentation Rates ◽  
Accumulation Rates ◽  
210Pb And 137Cs ◽  
The Past ◽  
Activity Concentrations ◽  
210Pb Activity ◽  
Constant Rate ◽  
210Pb Method

Abstract The constant rate of supply (CRS) of excess 210Pb model was successfully applied to assess 210Pb data of two sediment cores from the lake Qattinah, Syria. Gamma spectrometry was used to determine 137Cs and 210Pb activity concentrations. The bottom of the cores was 210Pb-dated to years 1907 and 1893. The accumulation rates were determined using 210Pb method and found to vary similarly in both cores from 0.10 ± 0.01 to 3.78 ± 0.57 kg m−2 y−1 during the past century. 137Cs was used as an in-dependent chronometer. The two distinct peaks observed on the 137Cs record of both cores, corresponding to 1965 and 1986, have allowed a successful validation of the CRS model.

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