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Environmental Geochemistry

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By Woods Hole Coastal and Marine Science Center November 8, 2018

Hydrologic Restoration in Coastal Wetlands Enhances Climate Change Mitigation Benefits

Learn more

Coastal Environmental Geochemistry research at the Woods Hole Coastal and Marine Science Center spans multiple ecosystems and topics, including coastal wetlands, aquifers, and estuaries, with the goal of providing data and guidance to federal, state, local, and private land owners and managers on these vital ecosystems.

Journal Article

small hole in the ground surrounded by grass

Soil carbon consequences of historic hydrologic impairment and recent restoration in coastal wetlands

Read article

Data Release

Photograph of a tidally restricted wetland in the Herring River Estuary, Cape Cod

Nearshore groundwater seepage and geochemical data measured in 2015 at Guinea Creek, Rehoboth Bay, Delaware

Download Data

Research Themes

Coastal Environmental Geochemistry research at the Woods Hole Coastal and Marine Science Center spans multiple ecosystems and topics, including coastal wetlands, aquifers, and estuaries.

Media
a woman scientist in a baseball hat standing in a marsh holding a long piece of equipment
Sources/Usage: Public Domain. View Media Details
Meagan Eagle, Research Scientists at the U.S. Geological Survey, collects an elevation point along the edge of Quivett Creek in Brewster, MA. This salt marsh was restored in 2005 by replacing a narrow culvert to allow full tidal flow once again. Elevation is an important measurement in tidal wetlands, allowing scientists to understand where the wetland platform is in relation to sea level. Here elevation combined with soil core data was used to determine how the restored marsh grew over the past century. Along with enhanced soil accretion, more carbon is stored in this restored marsh today than while it was disconnected from the sea. 

Below are other science projects associated with this project.

Meagan Gonneea checks on instruments at a tidal creek in Great Pond, Falmouth, MA

Environmental Geochemistry- Wetland Resilience

Tidal wetlands are key ecosystems because they are unique ecological systems that provide essential habitat for fish, shellfish, birds and other fauna and flora, many of which have great economic importance. At the same time, tidal wetlands provide critical services to society by serving as a physical barrier between our cities, roads and homes and the rising sea. If healthy and properly managed...
By
Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center
Environmental Geochemistry- Wetland Resilience

Environmental Geochemistry- Wetland Resilience

Tidal wetlands are key ecosystems because they are unique ecological systems that provide essential habitat for fish, shellfish, birds and other fauna and flora, many of which have great economic importance. At the same time, tidal wetlands provide critical services to society by serving as a physical barrier between our cities, roads and homes and the rising sea. If healthy and properly managed...
Learn More

Data releases associated with the Environmental Geochemistry Project.

Filter Total Items: 18
No Result Found

Environmental Geochemistry Project mulitmedia objects

Filter Total Items: 22
No results found.

Environmental Geochemistry Project publications

Filter Total Items: 71

Environmental controls, emergent scaling, and predictions of greenhouse gas (GHG) fluxes in coastal salt marshes Environmental controls, emergent scaling, and predictions of greenhouse gas (GHG) fluxes in coastal salt marshes

Coastal salt marshes play an important role in mitigating global warming by removing atmospheric carbon at a high rate. We investigated the environmental controls and emergent scaling of major greenhouse gas (GHG) fluxes such as carbon dioxide (CO2) and methane (CH4) in coastal salt marshes by conducting data analytics and empirical modeling. The underlying hypothesis is that the salt...
Authors
Omar Abdul-Aziz, Khandker Ishitaq, Jianwu Tang, Serena Moseman-Valtierra, Kevin Kroeger, Meagan Gonneea Eagle, Jordan Mora, Kate Morkeski
By
Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

Carbon budget of tidal wetlands, estuaries, and shelf waters of eastern North America Carbon budget of tidal wetlands, estuaries, and shelf waters of eastern North America

Carbon cycling in the coastal zone affects global carbon budgets and is critical for understanding the urgent issues of hypoxia, acidification, and tidal wetland loss. However, there are no regional carbon budgets spanning the three main ecosystems in coastal waters: tidal wetlands, estuaries, and shelf waters. Here we construct such a budget for eastern North America using historical...
Authors
R.G. Najjar, M. Herrmann, Richard Alexander, E.W. Boyer, D. J. Burdige, D. Butman, W.-J. Cai, E.A. Canuel, R.F. Chen, M. Friedrichs, R.A. Feagin, P. Griffith, A.L. Hinson, J.R. Holmquist, X. Hu, W.M. Kemp, Kevin Kroeger, A. Mannino, S.L. McCallister, W.R. McGillis, M.R. Mulholland, C. Pilskaln, J. Salisbury, S. R. Signorini, P. St. Laurent, H. Tian, M Tzortziou, P. Vlahos, Zhanming Wan, R. Zimmerman
By
Woods Hole Coastal and Marine Science Center

The magnitude and origin of groundwater discharge to eastern U.S. and Gulf of Mexico coastal waters The magnitude and origin of groundwater discharge to eastern U.S. and Gulf of Mexico coastal waters

Fresh groundwater discharge to coastal environments contributes to the physical and chemical conditions of coastal waters, but the role of coastal groundwater at regional to continental scales remains poorly defined due to diverse hydrologic conditions and the difficulty of tracking coastal groundwater flow paths through heterogeneous subsurface materials. We use three-dimensional...
Authors
Kevin Befus, Kevin Kroeger, Christopher Smith, Peter Swarzenski
By
Woods Hole Coastal and Marine Science Center

Restoring tides to reduce methane emissions in impounded wetlands: A new and potent Blue Carbon climate change intervention Restoring tides to reduce methane emissions in impounded wetlands: A new and potent Blue Carbon climate change intervention

Coastal wetlands are sites of rapid carbon (C) sequestration and contain large soil C stocks. Thus, there is increasing interest in those ecosystems as sites for anthropogenic greenhouse gas emission offset projects (sometimes referred to as “Blue Carbon”), through preservation of existing C stocks or creation of new wetlands to increase future sequestration. Here we show that in the...
Authors
Kevin Kroeger, Stephen Crooks, Serena Moseman-Valtierra, Jianwu Tang
By
Woods Hole Coastal and Marine Science Center

Depth of the vadose zone controls aquifer biogeochemical conditions and extent of anthropogenic nitrogen removal Depth of the vadose zone controls aquifer biogeochemical conditions and extent of anthropogenic nitrogen removal

We investigated biogeochemical conditions and watershed features controlling the extent of nitrate removal through microbial dinitrogen (N2) production within the surficial glacial aquifer located on the north and south shores of Long Island, NY, USA. The extent of N2 production differs within portions of the aquifer, with greatest N2 production observed at the south shore of Long Island...
Authors
Beata Szymczycha, Kevin Kroeger, John Crusius, John Bratton
By
Woods Hole Coastal and Marine Science Center

Relationship between water and aragonite barium concentrations in aquaria reared juvenile corals Relationship between water and aragonite barium concentrations in aquaria reared juvenile corals

Coral barium to calcium (Ba/Ca) ratios have been used to reconstruct records of upwelling, river and groundwater discharge, and sediment and dust input to the coastal ocean. However, this proxy has not yet been explicitly tested to determine if Ba inclusion in the coral skeleton is directly proportional to seawater Ba concentration and to further determine how additional factors such as...
Authors
Meagan Gonneea Eagle, Anne Cohen, Thomas DeCarlo, Matthew Charette
By
Woods Hole Coastal and Marine Science Center

Twentieth century warming of the tropical Atlantic captured by Sr-U paleothermometry Twentieth century warming of the tropical Atlantic captured by Sr-U paleothermometry

Coral skeletons are valuable archives of past ocean conditions. However, interpretation of coral paleotemperature records is confounded by uncertainties associated with single-element ratio thermometers, including Sr/Ca. A new approach, Sr-U, uses U/Ca to constrain the influence of Rayleigh fractionation on Sr/Ca. Here we build on the initial Pacific Porites Sr-U calibration to include...
Authors
Alice Alpert, Anne Cohen, Delia Oppo, Thomas DeCarlo, Glenn Gaetani, Edwin Hernandez-Delgado, Amos Winter, Meagan Gonneea Eagle
By
Woods Hole Coastal and Marine Science Center

Temperature response of soil respiration largely unaltered with experimental warming Temperature response of soil respiration largely unaltered with experimental warming

The respiratory release of carbon dioxide (CO2) from soil is a major yet poorly understood flux in the global carbon cycle. Climatic warming is hypothesized to increase rates of soil respiration, potentially fueling further increases in global temperatures. However, despite considerable scientific attention in recent decades, the overall response of soil respiration to anticipated...
Authors
Joanna Carey, Jianwu Tang, Pamela Templer, Kevin Kroeger, Thomas Crowther, Andrew Burton, Jeffrey Dukes, Bridget Emmett, Serita Frey, Mary Heskel, Lifen Jiang, Megan Machmuller, Jacqueline Mohan, Anne Panetta, Peter B. Reich, Sabine Reinsch, Xin Wang, Steven Allison, Chris Bamminger, Scott Bridgham, Scott L. Collins, Giovanbattista de Dato, William Eddy, Brian Enquist, Marc Estiarte, John Harte, Amanda Henderson, Bart Johnson, Klaus Steenberg Larsen, Yiqi Luo, Sven Marhan, Jerry Melillo, Josep Penuelas, Laurel Pfeifer-Meister, Christian Poll, Edward Rastetter, Andrew Reinmann, Lorien Reynolds, Inger Schmidt, Gaius Shaver, Aaron Strong, Vidya Suseela, Albert Tietema
By
John Wesley Powell Center for Analysis and Synthesis, Woods Hole Coastal and Marine Science Center

Carbon dioxide fluxes reflect plant zonation and belowground biomass in a coastal marsh Carbon dioxide fluxes reflect plant zonation and belowground biomass in a coastal marsh

Coastal wetlands are major global carbon sinks; however, they are heterogeneous and dynamic ecosystems. To characterize spatial and temporal variability in a New England salt marsh, greenhouse gas (GHG) fluxes were compared among major plant‐defined zones during growing seasons. Carbon dioxide (CO2) and methane (CH4) fluxes were compared in two mensurative experiments during summer...
Authors
Serena Moseman-Valtierra, Omar Abdul-Aziz, Jianwu Tang, Khandker Ishtiaq, Kate Morkeski, Jordan Mora, Ryan Quinn, Rose Martin, Katharine Egan, Elizabeth Brannon, Joanna Carey, Kevin Kroeger
By
Woods Hole Coastal and Marine Science Center

Observations of nearshore groundwater discharge: Kahekili Beach Park submarine springs, Maui, Hawaii Observations of nearshore groundwater discharge: Kahekili Beach Park submarine springs, Maui, Hawaii

Study regionThe study region encompasses the nearshore, coastal waters off west Maui, Hawaii. Here abundant groundwater—that carries with it a strong land-based fingerprint—discharges into the coastal waters and over a coral reef.Study focusCoastal groundwater discharge is a ubiquitous hydrologic feature that has been shown to impact nearshore ecosystems and material budgets. A unique...
Authors
Peter Swarzenski, H. Dulai, K.D. Kroeger, Christopher Smith, N. Dimova, C. D. Storlazzi, N.G. Prouty, S. Gingerich, C. Glenn
By
Pacific Coastal and Marine Science Center

Intertidal salt marshes as an important source of inorganic carbon to the coastal ocean Intertidal salt marshes as an important source of inorganic carbon to the coastal ocean

Dynamic tidal export of dissolved inorganic carbon (DIC) to the coastal ocean from highly productive intertidal marshes and its effects on seawater carbonate chemistry are thoroughly evaluated. The study uses a comprehensive approach by combining tidal water sampling of CO2parameters across seasons, continuous in situ measurements of biogeochemically-relevant parameters and water fluxes...
Authors
Zhaohui Aleck Wang, Kevin Kroeger, Neil K. Ganju, Meagan Gonneea Eagle, Sophie Chu
By
Woods Hole Coastal and Marine Science Center

Significance of groundwater discharge along the coast of Poland as a source of dissolved metals to the southern Baltic Sea Significance of groundwater discharge along the coast of Poland as a source of dissolved metals to the southern Baltic Sea

Fluxes of dissolved trace metals (Cd, Co, Cr, Cu, Mn, Ni, Pb, and Zn) via groundwater discharge along the southern Baltic Sea have been assessed for the first time. Dissolved metal concentrations in groundwater samples were less variable than in seawater and were generally one or two orders of magnitude higher: Cd (2.1–2.8 nmol L− 1), Co (8.70–8.76 nmol L− 1), Cr (18.1–18.5 nmol L− 1)...
Authors
Beata Szymczycha, Kevin Kroeger, Janusz Pempkowiak
By
Woods Hole Coastal and Marine Science Center

Coastal Environmental Geochemistry research at the Woods Hole Coastal and Marine Science Center spans multiple ecosystems and topics, including coastal wetlands, aquifers, and estuaries, with the goal of providing data and guidance to federal, state, local, and private land owners and managers on these vital ecosystems.

Journal Article

small hole in the ground surrounded by grass

Soil carbon consequences of historic hydrologic impairment and recent restoration in coastal wetlands

Read article

Data Release

Photograph of a tidally restricted wetland in the Herring River Estuary, Cape Cod

Nearshore groundwater seepage and geochemical data measured in 2015 at Guinea Creek, Rehoboth Bay, Delaware

Download Data

Research Themes

Coastal Environmental Geochemistry research at the Woods Hole Coastal and Marine Science Center spans multiple ecosystems and topics, including coastal wetlands, aquifers, and estuaries.

Media
a woman scientist in a baseball hat standing in a marsh holding a long piece of equipment
Sources/Usage: Public Domain. View Media Details
Meagan Eagle, Research Scientists at the U.S. Geological Survey, collects an elevation point along the edge of Quivett Creek in Brewster, MA. This salt marsh was restored in 2005 by replacing a narrow culvert to allow full tidal flow once again. Elevation is an important measurement in tidal wetlands, allowing scientists to understand where the wetland platform is in relation to sea level. Here elevation combined with soil core data was used to determine how the restored marsh grew over the past century. Along with enhanced soil accretion, more carbon is stored in this restored marsh today than while it was disconnected from the sea. 

Below are other science projects associated with this project.

Meagan Gonneea checks on instruments at a tidal creek in Great Pond, Falmouth, MA

Environmental Geochemistry- Wetland Resilience

Tidal wetlands are key ecosystems because they are unique ecological systems that provide essential habitat for fish, shellfish, birds and other fauna and flora, many of which have great economic importance. At the same time, tidal wetlands provide critical services to society by serving as a physical barrier between our cities, roads and homes and the rising sea. If healthy and properly managed...
By
Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center
Environmental Geochemistry- Wetland Resilience

Environmental Geochemistry- Wetland Resilience

Tidal wetlands are key ecosystems because they are unique ecological systems that provide essential habitat for fish, shellfish, birds and other fauna and flora, many of which have great economic importance. At the same time, tidal wetlands provide critical services to society by serving as a physical barrier between our cities, roads and homes and the rising sea. If healthy and properly managed...
Learn More

Data releases associated with the Environmental Geochemistry Project.

Filter Total Items: 18
No Result Found

Environmental Geochemistry Project mulitmedia objects

Filter Total Items: 22
No results found.

Environmental Geochemistry Project publications

Filter Total Items: 71

Environmental controls, emergent scaling, and predictions of greenhouse gas (GHG) fluxes in coastal salt marshes Environmental controls, emergent scaling, and predictions of greenhouse gas (GHG) fluxes in coastal salt marshes

Coastal salt marshes play an important role in mitigating global warming by removing atmospheric carbon at a high rate. We investigated the environmental controls and emergent scaling of major greenhouse gas (GHG) fluxes such as carbon dioxide (CO2) and methane (CH4) in coastal salt marshes by conducting data analytics and empirical modeling. The underlying hypothesis is that the salt...
Authors
Omar Abdul-Aziz, Khandker Ishitaq, Jianwu Tang, Serena Moseman-Valtierra, Kevin Kroeger, Meagan Gonneea Eagle, Jordan Mora, Kate Morkeski
By
Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

Carbon budget of tidal wetlands, estuaries, and shelf waters of eastern North America Carbon budget of tidal wetlands, estuaries, and shelf waters of eastern North America

Carbon cycling in the coastal zone affects global carbon budgets and is critical for understanding the urgent issues of hypoxia, acidification, and tidal wetland loss. However, there are no regional carbon budgets spanning the three main ecosystems in coastal waters: tidal wetlands, estuaries, and shelf waters. Here we construct such a budget for eastern North America using historical...
Authors
R.G. Najjar, M. Herrmann, Richard Alexander, E.W. Boyer, D. J. Burdige, D. Butman, W.-J. Cai, E.A. Canuel, R.F. Chen, M. Friedrichs, R.A. Feagin, P. Griffith, A.L. Hinson, J.R. Holmquist, X. Hu, W.M. Kemp, Kevin Kroeger, A. Mannino, S.L. McCallister, W.R. McGillis, M.R. Mulholland, C. Pilskaln, J. Salisbury, S. R. Signorini, P. St. Laurent, H. Tian, M Tzortziou, P. Vlahos, Zhanming Wan, R. Zimmerman
By
Woods Hole Coastal and Marine Science Center

The magnitude and origin of groundwater discharge to eastern U.S. and Gulf of Mexico coastal waters The magnitude and origin of groundwater discharge to eastern U.S. and Gulf of Mexico coastal waters

Fresh groundwater discharge to coastal environments contributes to the physical and chemical conditions of coastal waters, but the role of coastal groundwater at regional to continental scales remains poorly defined due to diverse hydrologic conditions and the difficulty of tracking coastal groundwater flow paths through heterogeneous subsurface materials. We use three-dimensional...
Authors
Kevin Befus, Kevin Kroeger, Christopher Smith, Peter Swarzenski
By
Woods Hole Coastal and Marine Science Center

Restoring tides to reduce methane emissions in impounded wetlands: A new and potent Blue Carbon climate change intervention Restoring tides to reduce methane emissions in impounded wetlands: A new and potent Blue Carbon climate change intervention

Coastal wetlands are sites of rapid carbon (C) sequestration and contain large soil C stocks. Thus, there is increasing interest in those ecosystems as sites for anthropogenic greenhouse gas emission offset projects (sometimes referred to as “Blue Carbon”), through preservation of existing C stocks or creation of new wetlands to increase future sequestration. Here we show that in the...
Authors
Kevin Kroeger, Stephen Crooks, Serena Moseman-Valtierra, Jianwu Tang
By
Woods Hole Coastal and Marine Science Center

Depth of the vadose zone controls aquifer biogeochemical conditions and extent of anthropogenic nitrogen removal Depth of the vadose zone controls aquifer biogeochemical conditions and extent of anthropogenic nitrogen removal

We investigated biogeochemical conditions and watershed features controlling the extent of nitrate removal through microbial dinitrogen (N2) production within the surficial glacial aquifer located on the north and south shores of Long Island, NY, USA. The extent of N2 production differs within portions of the aquifer, with greatest N2 production observed at the south shore of Long Island...
Authors
Beata Szymczycha, Kevin Kroeger, John Crusius, John Bratton
By
Woods Hole Coastal and Marine Science Center

Relationship between water and aragonite barium concentrations in aquaria reared juvenile corals Relationship between water and aragonite barium concentrations in aquaria reared juvenile corals

Coral barium to calcium (Ba/Ca) ratios have been used to reconstruct records of upwelling, river and groundwater discharge, and sediment and dust input to the coastal ocean. However, this proxy has not yet been explicitly tested to determine if Ba inclusion in the coral skeleton is directly proportional to seawater Ba concentration and to further determine how additional factors such as...
Authors
Meagan Gonneea Eagle, Anne Cohen, Thomas DeCarlo, Matthew Charette
By
Woods Hole Coastal and Marine Science Center

Twentieth century warming of the tropical Atlantic captured by Sr-U paleothermometry Twentieth century warming of the tropical Atlantic captured by Sr-U paleothermometry

Coral skeletons are valuable archives of past ocean conditions. However, interpretation of coral paleotemperature records is confounded by uncertainties associated with single-element ratio thermometers, including Sr/Ca. A new approach, Sr-U, uses U/Ca to constrain the influence of Rayleigh fractionation on Sr/Ca. Here we build on the initial Pacific Porites Sr-U calibration to include...
Authors
Alice Alpert, Anne Cohen, Delia Oppo, Thomas DeCarlo, Glenn Gaetani, Edwin Hernandez-Delgado, Amos Winter, Meagan Gonneea Eagle
By
Woods Hole Coastal and Marine Science Center

Temperature response of soil respiration largely unaltered with experimental warming Temperature response of soil respiration largely unaltered with experimental warming

The respiratory release of carbon dioxide (CO2) from soil is a major yet poorly understood flux in the global carbon cycle. Climatic warming is hypothesized to increase rates of soil respiration, potentially fueling further increases in global temperatures. However, despite considerable scientific attention in recent decades, the overall response of soil respiration to anticipated...
Authors
Joanna Carey, Jianwu Tang, Pamela Templer, Kevin Kroeger, Thomas Crowther, Andrew Burton, Jeffrey Dukes, Bridget Emmett, Serita Frey, Mary Heskel, Lifen Jiang, Megan Machmuller, Jacqueline Mohan, Anne Panetta, Peter B. Reich, Sabine Reinsch, Xin Wang, Steven Allison, Chris Bamminger, Scott Bridgham, Scott L. Collins, Giovanbattista de Dato, William Eddy, Brian Enquist, Marc Estiarte, John Harte, Amanda Henderson, Bart Johnson, Klaus Steenberg Larsen, Yiqi Luo, Sven Marhan, Jerry Melillo, Josep Penuelas, Laurel Pfeifer-Meister, Christian Poll, Edward Rastetter, Andrew Reinmann, Lorien Reynolds, Inger Schmidt, Gaius Shaver, Aaron Strong, Vidya Suseela, Albert Tietema
By
John Wesley Powell Center for Analysis and Synthesis, Woods Hole Coastal and Marine Science Center

Carbon dioxide fluxes reflect plant zonation and belowground biomass in a coastal marsh Carbon dioxide fluxes reflect plant zonation and belowground biomass in a coastal marsh

Coastal wetlands are major global carbon sinks; however, they are heterogeneous and dynamic ecosystems. To characterize spatial and temporal variability in a New England salt marsh, greenhouse gas (GHG) fluxes were compared among major plant‐defined zones during growing seasons. Carbon dioxide (CO2) and methane (CH4) fluxes were compared in two mensurative experiments during summer...
Authors
Serena Moseman-Valtierra, Omar Abdul-Aziz, Jianwu Tang, Khandker Ishtiaq, Kate Morkeski, Jordan Mora, Ryan Quinn, Rose Martin, Katharine Egan, Elizabeth Brannon, Joanna Carey, Kevin Kroeger
By
Woods Hole Coastal and Marine Science Center

Observations of nearshore groundwater discharge: Kahekili Beach Park submarine springs, Maui, Hawaii Observations of nearshore groundwater discharge: Kahekili Beach Park submarine springs, Maui, Hawaii

Study regionThe study region encompasses the nearshore, coastal waters off west Maui, Hawaii. Here abundant groundwater—that carries with it a strong land-based fingerprint—discharges into the coastal waters and over a coral reef.Study focusCoastal groundwater discharge is a ubiquitous hydrologic feature that has been shown to impact nearshore ecosystems and material budgets. A unique...
Authors
Peter Swarzenski, H. Dulai, K.D. Kroeger, Christopher Smith, N. Dimova, C. D. Storlazzi, N.G. Prouty, S. Gingerich, C. Glenn
By
Pacific Coastal and Marine Science Center

Intertidal salt marshes as an important source of inorganic carbon to the coastal ocean Intertidal salt marshes as an important source of inorganic carbon to the coastal ocean

Dynamic tidal export of dissolved inorganic carbon (DIC) to the coastal ocean from highly productive intertidal marshes and its effects on seawater carbonate chemistry are thoroughly evaluated. The study uses a comprehensive approach by combining tidal water sampling of CO2parameters across seasons, continuous in situ measurements of biogeochemically-relevant parameters and water fluxes...
Authors
Zhaohui Aleck Wang, Kevin Kroeger, Neil K. Ganju, Meagan Gonneea Eagle, Sophie Chu
By
Woods Hole Coastal and Marine Science Center

Significance of groundwater discharge along the coast of Poland as a source of dissolved metals to the southern Baltic Sea Significance of groundwater discharge along the coast of Poland as a source of dissolved metals to the southern Baltic Sea

Fluxes of dissolved trace metals (Cd, Co, Cr, Cu, Mn, Ni, Pb, and Zn) via groundwater discharge along the southern Baltic Sea have been assessed for the first time. Dissolved metal concentrations in groundwater samples were less variable than in seawater and were generally one or two orders of magnitude higher: Cd (2.1–2.8 nmol L− 1), Co (8.70–8.76 nmol L− 1), Cr (18.1–18.5 nmol L− 1)...
Authors
Beata Szymczycha, Kevin Kroeger, Janusz Pempkowiak
By
Woods Hole Coastal and Marine Science Center
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