Lead lability in alluvial soils of the river Trent catchment, U.K. M. Izquierdo, A.M. Tye, S.R. Chenery British Geological Survey, Keyworth, Nottingham,

Slides:

Advertisements

Similar presentations

Lecture Goals To discuss why nitrogen and phosphorus are important nutrients in freshwater systems. To trace how nitrogen and phosphorus move through freshwater.

Advertisements

Soil Fertility and Nutrient Bioavailability Sponsored by the DEST program China Higher Education Strategic Initiatives © The University of Adelaide.

BIOGEOCHEMICAL CYCLES Biology 420 Global Change. Introduction  Remember  Lithosphere  Hydrosphere  Atmosphere  Biosphere  Earth is exposed to cyclic.

Nutrient Cycling and Retention

Ecotoxicology Transport of contaminants. The transport of contaminants in the atmosphere takes place: Globally Large-scale:> 1000 km Meso-scale:

MATTER CYCLING IN ECOSYSTEMS

© NERC All rights reserved London’s Soil Chemistry: A continental scale anomaly Dee Flight, Andreas Scheib and the Geochemical Baselines Team British Geological.

1 WASTE CHARACTERIZATION METHODS S. Vanderperre Belgatom Vanderperre, Belgatom, chapter 7.

Implementation of WFD in Hungary - rivers Zoltán Simonffy Hungarian Academy of Sciences Research Group for Water Management Zoltán Simonffy Hungarian Academy.

Simple Semi-Empirical Predictions of Free Metal Activities in Contaminated Soil Solutions Sébastien Sauvé Université de Montréal (Montréal, QC, Canada)

Impacts of Forest Fire on Boreal Lakes

Environmental Science Chapter 16 Review

L-THIA Long-Term Hydrologic Impact Assessment Model ….provides relative estimates of change of runoff and non point source pollutants caused due to land.

Mark Williams, CU-Boulder Forensic Hydrology. What is “Forensic Hydrology” Geoscientists are really “Geodectives” forensic geochemistry and forensic geology.

Mine Rehabilitation at Yerranderie

Heavy metals (Pb, Cd and Zn) levels in roadside soils in Nairobi County.

Wet Deposition of Mercury In The U.S. Results from the NADP Mercury Deposition Network, David Gay Illinois State Water Survey, Champaign, IL,

NORMALISATION METHOD FOR EVALUATION OF METAL CONTAMINATION OF SOIL József PROKISCH, Ildikó SZEGVÁRI, Éva SZÉLES, Béla KOVÁCS, Zoltán GYŐRI University of.

Models to predict metal leaching to ground- and surface water: from soil data to scenario studies Bert-Jan Groenenberg, Luc Bonten, Paul Römkens.

Porewater Collection and Risk Evaluation 27 th Alabama Water Resources Conference Orange Beach, AL Jacob Gruzalski Environmental Standards, Inc.

Reclaiming the health of British rivers Optimising conditions in low-cost systems for treating diffuse water pollution Carr 1, S., Heal 1, K.V., Lumsdon.

Biogeochemical Cycles

Department of Applied Chemistry and Physics Faculty of Agriculture and forestry Remediation of lead-contaminated soils - challenges and options Helinä.

Biogeochemical Cycles

Area IIE: The Living World Natural Biogeochemical Cycles.

Speciation and Bioavailability of Trace Elements in Contaminated Soils Sébastien Sauvé Université de Montréal (Montréal, QC, Canada)

1 Nutrient Cycling and Retention Chapter 19 nitro/biggraph.asp.

Ecological Cycles Biosphere Carbon cycle Phosphorus cycle Nitrogen

Heavy metal transformations 5(iv) 1. Aims (i) To provide an overview of heavy metals’ transformations and their thermodynamic and kinetic processes in.

Stream Processes and Habitat Ryan Johnson. Overview Watershed Processes – Factors and their effects on the watershed as a whole Stream Processes – Factors.

Mining Enviro 2 Go Mining Objectives- You should be able to: Describe several methods of mining Describe important potential environmental consequences.

Chapter 27 Minerals and the Environment. Importance of Minerals to Society Standard of living increases with availability –Success in locating, extracting,

Weathering - when rocks are exposed to air, water, certain chemicals, or biological agents that degrade the rock  Physical weathering - the mechanical.

 Mining Processes 10/19/11. Review of Geology Terms  Geology and Geologic processes  Catastrophic events: Volcanoes, Earthquakes,Tsunamis  Plate Tectonics.

Ecosystems Section 3 Ecology 4.3 Notes. Ecosystems Section 3 Objectives Describe each of the biogeochemical cycles.

Peter Motavalli Dept. of Soil, Environmental and Atmos. Sci. University of Missouri University of Missouri ADAPTING TO CHANGE:

Mobility and bioaccessibility of inorganic contaminants in soils in the vicinity of copper smelters (Copperbelt, Zambia) Vojtěch ETTLER 1, Martin MIHALJEVIČ.

Reducing phosphorus concentration in rivers: wetlands not always to the rescue Ben Surridge, Catchment Science Centre Louise Heathwaite, Lancaster Environment.

Lead isotopic and metallic pollution record in tree rings from the Copperbelt mining-smelting area, Zambia Martin Mihaljevič, Vojtěch Ettler, Ondřej Šebek,

Understanding Creeks, Rivers, and Riparian Areas.

Ecosystems Ecosystem:  All the organisms in a community plus abiotic factors  ecosystems are transformers of energy& processors of matter.  Ecosystems.

© 2011 Pearson Education, Inc. MATTER CYCLING IN ECOSYSTEMS Nutrient Cycles: Global Recycling Global Cycles recycle nutrients through the earth’s air,

Lead isotopes in South Atlantic seawater from the UK GEOTRACES transect along 40°S Maxence Paul Mark Rehkämper, Tina van de Flierdt, Dominik Weiss.

HIGH-MOUNTAIN LAKES AS A HOT SPOT FOR PRODUCTION OF DISSOLVED ORGANIC MATTER IN A CHANGING CLIMATE Mark Williams, Diane McKnight, Eran Hood and Dave Manthorn.

Coal Mines & The Effects They Produce Tyler Morin & Holly Schwichtenburg.

Seasonal variation in surface- groundwater exchanges in an urban floodplain with active gravel-bar formation Dorothea Lundberg Karen Prestegaard University.

Metal Sorption Properties The binding behavior of Zn, Cu, and Pb relates to the surface complexation constant, K int. Dzombak and Morel, 1990 Assessment.

Weathering - when rocks are exposed to air, water, certain chemicals, or biological agents that degrade the rock Weathering and Erosion.

Sustainable Air Quality ME 449 Jan 14, 16; The Earth System Atmosphere –Conveyer of mass, moves mass source to receptor –Small storage capacity.

BIOGEOCHEMISTRY. What is Biogeochemistry? The study of the biological, geological and chemical factors that influence the movement of chemical elements.

Earth Systems and Resources

Testing Biota Dose Assessment Committee Methodology with 1997 Hanford Surveillance Data by E. Antonio (PNNL) and J. P. Lair (TRP) August 1999.

1) Lomonosov Moscow State University, Faculty of Geography 2) Institute of Geography of Mongolian Academy of Science Natalia Kosheleva 1), Olga Sorokina.

Mineral Resources EES – Chapter 19.

Matter cycles within ecosystems energy flows unidirectionally through ecosystems matter cycles at local and global scales movement of elements among various.

Lead Accumulation and Loss in the Hubbard Brook (USA) Ecosystem

C.P.Martinez and L.M. Porticos

Ecology 4.3 Notes.

HEAVY METAL SOLUBILITY AND MOBILITY IN HUMUS LAYERS IMPACTED BY COPPER INDUSTRY IN SOUTH - WEST POLAND Agnieszka Medyńska-Juraszek, Cezary Kabała Institute.

Biogeochemical Cycles

Aged Riverine Particulate Organic Carbon in Four UK Catchments

Biogeochemical Cycle of Mercury (Hg)

Biogeochemical cycling

Minerals and the Environment

Gianniantonio Petruzzelli Francesca Pedron

Mining and Mineral Resources

Biogeochemical Cycles

Semi-Recalcitrant Dissolved Organic Matter Particulate Organic Matter

Effect of Aging on Contaminant Bioavailability

Presentation transcript:

Lead lability in alluvial soils of the river Trent catchment, U.K. M. Izquierdo, A.M. Tye, S.R. Chenery British Geological Survey, Keyworth, Nottingham, NG12 5GG, UK Lead lability in alluvial soils of the river Trent catchment, U.K. M. Izquierdo, A.M. Tye, S.R. Chenery British Geological Survey, Keyworth, Nottingham, NG12 5GG, UK SOURCE APPORTIONMENT 27 sampling sites paired topsoils (0-15cm) and subsoils (35-50cm) + extraction of pore waters Pb= mg/kg Extensive Pb mining since pre-Roman times Pb-rich sediments still pulse into the Trent tributaries Floodplains downstream the Orefield are a primary Pb repository ACKNOLEDGEMENTS Pb IN TRENT ALLUVIAL SOILS Overbank sediments in the river Trent floodplains act as a focus for deposition and short- to long-term storage of Pb Pb can be released back into the drainage network through bank erosion Potential for increased Pb uptake to grazing livestock, terrestrial and aquatic ecosystems AIMS & METHODOLOGY Pb SOURCES IN THE TRENT CATCMENT 2. Coal Coal mining Coal combustion emissions 3. ‘BHT’ Pb Diffuse source Petrol-derived 1. Pennine Ore Examine the sources, lability and solubility of Pb in alluvial soils from the River Trent and River Dove Pb source apportionment Pb Isotope dilution Pb/ 207 Pb 206 Pb/ 207 Pb coal Pennine ore (galena) UK petrol lead pore water surface topsoil pore water subsoil subsoil London aerosols labile pool road dust sewage BHT (petrol) Pb UK coal Pennine Pb ore Km dowstream Lability %E pH 8 % E 206 Pb/ 207 Pb Pennine ore Pb dominant BUT BHT (petrol) Pb contribution=0- 50% despite withdrawal in 2000 BHT Pb in subsoils post depositional vertical migration of Pb from traffic related sources Pb LABILITY % petrol Pb topsoil subsoil Current UK regulations on metal contamination are based on the total concentration in soil  no indication of the chemically reactive or labile fraction of a given element in a soil system ISOTOPE DILUTION TECHNIQUES (E-value) allow the determination of the reactive pool of metal in soils i.e. pool of metal in equilibrium with soil pore water L labile: soluble+adsorbed+solubilised in pore water N fixed Pb: occluded, inert, inaccessible N N L N L N L L L L L N N L N L N L L L L L spike 204 Pb E-VALUE Isotopically exchangeable fraction: geochemically active – bioavailable for uptake LABILE Pb=9-56% over the total pool No differences in Pb lability with depth No Pb >fixation with depth  evidence of continuous bank recycling No differences in Pb contents with depth No source control on lability Strong pH control on %E This work has been funded by a Marie Curie Fellowship (Project no ) to M.Izquierdo 206 Pb/ 207 Pb 208 Pb/ 207 Pb Pb isotopic ratios in total, labile and pore water pools Enrichment of ‘BHT’ Pb in the bioavailable pools possible causes BHT Pb still being deposited (dry/wet deposition + present/recent dissolution of poorly soluble traffic related Pb-bearing species BHT Pb bound to sub-micron FeO colloids in soil pore waters M.Izquierdo, A.M.Tye, S.R.Chenery Sci Total Environ 433 (2012)