Member Since 1988
Karen Haley Johannesson
Professor, University of Massachusetts Boston
AGU Research
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The Global Biogeochemical Cycle of the Rare Earth Elements
GLOBAL BIOGEOCHEMICAL CYCLES
19 june 2024
Vanessa Hatje, Johan Schijf, Karen H. Johannesson,...
To improve our understanding and guide future studies and applications, we review the biogeochemistry of the rare earth elements (REE). The REEs, w...
Acidification Of Northeastern USA Lakes From Rising Anthropogenic‐Sourced Atmospheric Carbon Dioxide and Its Effects on Aluminum Speciation
GEOPHYSICAL RESEARCH LETTERS
16 november 2023
Karen H. Johannesson, Jaxon Dii Horne, Anant Misra...
The impact of rising atmospheric CO2 (pCO2atm) from anthropogenic activities on pH, dissolved inorganic carbon, carbonate mineral saturation, and a...
Geochemical controls on mobilization and transport of tungsten in sediments from Fallon, Nevada: The importance of a possible anthropogenic tungsten source
RECENT ADVANCES IN THE OCCURRENCE, FATE, TRANSPORT, TRANSFORMATION, AND REMEDIATION OF CONTAMINANTS IN NATURAL ENVIRONMENTS II
hydrology | 11 december 2020
Saugata Datta, Harshad V. Kulkarni, Chad Hobson, K...
Elevated tungsten (W) levels in human body fluids have been linked to a childhood leukemia cluster in Fallon, Nevada. We studied the occurrence and sp...
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Groundwater Discharge to a River Delta Driven by the Mississippi River Stage
OCEAN SCIENCES 2020
ocean biology and biogeochemistry | 19 february 2020
Jaye E. Cable, Karen H. Johannesson, Jihyuk Kim, A...
Groundwater discharge is recognized as an important vector for freshwater and biogeochemical constituents to coastal systems. In many coastal environm...
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Effects of adsorption and mineral surfaces catalysis on tungsten speciation in anoxic environment
FATE AND EFFECTS OF METALS, ORGANIC MATTERS, AND OTHER EMERGING ENVIRONMENTAL CONTAMINANTS II POSTERS
biogeosciences | 09 december 2019
Minming Cui, Maya L. Gomes, Karen H. Johannesson
In sulfidic environments, tungsten (W) may exist in the form of tungstates or partially thiolated species depending on the duration of euxinia and the...
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Catalysis by mineral surfaces: Implications for W geochemistry in anoxic environments
FALL MEETING 2018
10 december 2018
Minming Cui, Karen H. Johannesson
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Groundwater Discharge to Upper Barataria Basin Driven by Mississippi River Stage
GROUNDWATER DISCHARGE TO UPPER BARATARIA BASIN DRIVEN BY MISSISSIPPI RIVER STAGE
ocean sciences | 12 december 2017
Jaye E. Cable, Alexander Breaux, Karen H. Johannes...
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Fractionation of rare earth elements in the Mississippi River estuary and river sediments
FRACTIONATION OF RARE EARTH ELEMENTS IN THE MISSISSIPPI RIVER ESTUARY AND RIVER SEDIMENTS
biogeosciences | 12 december 2017
Segun B. Adebayo, Karen H. Johannesson
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