• SEGH

    Diverse scientific fields and multidisciplinary expertise brought together within an international community.

  • SEGH

    Diverse scientific fields and multidisciplinary expertise brought together within an international community.

  • SEGH

    Diverse scientific fields and multidisciplinary expertise brought together within an international community.

  • SEGH

    Diverse scientific fields and multidisciplinary expertise brought together within an international community.

  • SEGH

    Diverse scientific fields and multidisciplinary expertise brought together within an international community.

  • SEGH

    Diverse scientific fields and multidisciplinary expertise brought together within an international community.

  • SEGH

    Diverse scientific fields and multidisciplinary expertise brought together within an international community.

  • SEGH

    Diverse scientific fields and multidisciplinary expertise brought together within an international community.

  • SEGH

    Diverse scientific fields and multidisciplinary expertise brought together within an international community.

  • SEGH

    Diverse scientific fields and multidisciplinary expertise brought together within an international community

Society for Environmental Geochemistry and Health

SEGH was established in 1971 to provide a forum for scientists from various disciplines to work together in understanding the interaction between the geochemical environment and the health of plants, animals, and humans. We recognise the importance of interdisciplinary research. SEGH members represent expertise in a diverse range of scientific fields, such as biology, engineering, geology, hydrology, epidemiology, chemistry, medicine, nutrition, and toxicology.

 

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SEGH Articles

Geochemistry in Africa

| January 2017

Read about VicFalls 2018 and fieldwork in the Copperbelt  continue reading...

ISEH 2016, ISEG 2016 & Geoinformatics 2016

| January 2017

Joint International Conference on Environment, Health, GIS and Agriculture Galway, Ireland, August 14 20, 2016  continue reading...

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Science in the News

Latest on-line papers from the SEGH journal: Environmental Geochemistry and Health

  • Seeking evidence of multidisciplinarity in environmental geochemistry and health: an analysis of arsenic in drinking water research 2017-02-24

    Abstract

    A multidisciplinary approach to research affords the opportunity of objectivity, creation of new knowledge and potentially a more generally acceptable solution to problems that informed the research in the first place. It increasingly features in national programmes supporting basic and applied research, but for over 40 years, has been the arena for many research teams in environmental geochemistry and health. This study explores the nature of multidisciplinary research in the earth and health sciences using a sample selected from co-authored articles reporting research on arsenic (As) in drinking water from 1979 to 2013. A total of 889 relevant articles were sourced using the online version of the science citation index—expanded (SCI-expanded). The articles were classified according to author affiliation and later by author discipline/research interests using the Revised Field of Science and Technology Frascati manual DSTI/EAS/STP/NESTI (2006) 19/FINAL and a decision algorithm. Few articles were published on the topic until 2000. More articles were published across all affiliations in the last 10 years of the review period (2004–2013) than in the first 10 years (1979–1988). Only 84 (~9%) articles fell within the “earth and health” only and “earth, health and other” categories when classification was undertaken by author affiliation alone. This suggests that level of collaboration between earth and health scientists in arsenic in drinking water research may be very low. By refining the classification further using author discipline/research interests, only 28 of the 84 articles appear to be co-authored by earth and health scientists alongside professionals in other fields. More than half of these 28 articles involved descriptive non-experimental, observational study designs, limited in direct causal hypotheses and mechanistic investigation. If collaborative research is to lead to the increased multidisciplinary research, early interaction should be encouraged between students from different disciplines. In order to achieve multidisciplinarity in practise, it is imperative that scientific communities and research agencies do more to encourage interaction and integration between researchers from different disciplines. This must develop from educational institutions seeing opportunities to improve graduate skills in an increasingly diverse research landscape.

  • The origin of high hydrocarbon groundwater in shallow Triassic aquifer in Northwest Guizhou, China 2017-02-23

    Abstract

    Original high hydrocarbon groundwater represents a kind of groundwater in which hydrocarbon concentration exceeds 0.05 mg/L. The original high hydrocarbon will significantly reduce the environment capacity of hydrocarbon and lead environmental problems. For the past 5 years, we have carried out for a long-term monitoring of groundwater in shallow Triassic aquifer in Northwest Guizhou, China. We found the concentration of petroleum hydrocarbon was always above 0.05 mg/L. The low-level anthropogenic contamination cannot produce high hydrocarbon groundwater in the area. By using hydrocarbon potential, geochemistry and biomarker characteristic in rocks and shallow groundwater, we carried out a comprehensive study in Dalongjing (DLJ) groundwater system to determine the hydrocarbon source. We found a simplex hydrogeology setting, high-level water–rock–hydrocarbon interaction and obviously original hydrocarbon groundwater in DLJ system. The concentration of petroleum hydrocarbon in shallow aquifer was found to increase with the strong water–rock interaction. Higher hydrocarbon potential was found in the upper of Guanling formation (T2g3) and upper of Yongningzhen formation (T1yn4). Heavily saturated carbon was observed from shallow groundwater, which presented similar distribution to those from rocks, especially from the deeper groundwater. These results indicated that the high concentrations of original hydrocarbon in groundwater could be due to the hydrocarbon release from corrosion and extraction out of strata over time.

  • Potential ecological risk assessment and predicting zinc accumulation in soils 2017-02-22

    Abstract

    The aims of this study were to investigate zinc content in the studied soils; evaluate the efficiency of geostatistics in presenting spatial variability of zinc in the soils; assess bioavailable forms of zinc in the soils and to assess soil–zinc binding ability; and to estimate the potential ecological risk of zinc in soils. The study was conducted in southern Poland, in the Malopolska Province. This area is characterized by a great diversity of geological structures and types of land use and intensity of industrial development. The zinc content was affected by soil factors, and the type of land use (arable lands, grasslands, forests, wastelands). A total of 320 soil samples were characterized in terms of physicochemical properties (texture, pH, organic C content, total and available Zn content). Based on the obtained data, assessment of the ecological risk of zinc was conducted using two methods: potential ecological risk index and hazard quotient. Total Zn content in the soils ranged from 8.27 to 7221 mg kg−1 d.m. Based on the surface semivariograms, the highest variability of zinc in the soils was observed from northwest to southeast. The point sources of Zn contamination were located in the northwestern part of the area, near the mining–metallurgical activity involving processing of zinc and lead ores. These findings were confirmed by the arrangement of semivariogram surfaces and bivariate Moran’s correlation coefficients. The content of bioavailable forms of zinc was between 0.05 and 46.19 mg kg−1 d.m. (0.01 mol dm−3 CaCl2), and between 0.03 and 71.54 mg kg−1 d.m. (1 mol dm−3 NH4NO3). Forest soils had the highest zinc solubility, followed by arable land, grassland and wasteland. PCA showed that organic C was the key factor to control bioavailability of zinc in the soils. The extreme, very high and medium zinc accumulation was found in 69% of studied soils. There is no ecological risk of zinc to living organisms in the study area, and in 90% of the soils there were no potentially negative effects of zinc to ecological receptors.