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Articles by Scott Fendorf
Terradot acquires Eion to scale enhanced rock weathering carbon removal worldwide
US-based Terradot has acquired the assets of fellow US startup Eion, a move aimed at accelerating the global deployment of enhanced rock weathering (ERW) as a durable carbon removal solution. The transaction, announced in February, is relevant as the carbon removal market shifts from pilot projects to large-scale implementation, with buyers demanding stronger verification and operational scale.
Climate induced microbiome alterations increase cadmium bioavailability in agricultural soils with pH below 7 - Communications Earth & Environment
Abstract Climate change and metals independently stress soil microbiomes, but their combined effects remain unresolved. Here we show that future climate affects soil cadmium through altered soil microbiome and nutrient cycles, with soil pH as critical factor. In soils with pH<7 and during summer temperatures, future climate increased porewater cadmium, shifting total and potentially active taxonomic microbiome structures.
Molecular insights and impacts of wildfire-induced soil chemical changes - Nature Reviews Earth & Environment
Abstract Wildfires act as important ecosystem controls and can benefit fire-adapted biomes by promoting habitat heterogeneity, seed germination and disease control. However, the frequency of high-severity fires and the extent of total burn area have increased since the 1970s, transforming both the organic and inorganic composition of soil.
Metal toxin threat in wildland fires determined by geology and fire severity - Nature Communications
Abstract Accentuated by climate change, catastrophic wildfires are a growing, distributed global public health risk from inhalation of smoke and dust. Underrecognized, however, are the health threats arising from fire-altered toxic metals natural to soils and plants.
Water Supply Planning in the Face of Drought and Ecosystem Flows: Examining the Impact of the Bay-Delta Plan on Bay Area Water Supply
Figures References Support Info Abstract Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 This article references 50 other publications. 1 San Francisco Public Utilities Commission. Water System. https://sfpuc.org/about-us/our-systems/water-system (accessed Jan. 24, 2022). There is no corresponding record for this reference. 2 San Francisco Public Utilities Commission.
A new study finds beaver dams can boost water quality during a drought
The beaver dam showed up right in the middle of Christian Dewey’s research site. As the lead of a Stanford study, Dewey spent months looking at water quality along the Colorado River. This river is a water source for numerous states aside from Colorado, including Arizona, Utah and California. The dam re-directed the study.
Nitrate in Drinking Water during Pregnancy and Spontaneous Preterm Birth: A Retrospective Within-Mother Analysis in California
About Article Metrics Publication History Manuscript received2 September 2020 Manuscript revised30 March 2021 Manuscript accepted31 March 2021 Originally published5 May 2021 License information EHP is an open-access journal published with support from the National Institute of Environmental Health Sciences, National Institutes of Health. All content is public domain unless otherwise noted. Note to readers with disabilities strives to ensure that all journal content is accessible to all readers.
Porewater Lead Concentrations Limited by Particulate Organic Matter Coupled With Ephemeral Iron(III) and Sulfide Phases during Redox Cycles Within Contaminated Floodplain Soils
Lead contamination in soils and sediments is a major threat to water quality. In surface and near-surface environments, Pb is not redox active; however, common Pb hosts, including Fe(III)-(hydr)oxides and sulfides, dissolve and precipitate as redox conditions change. Dissolution of Pb hosts may release Pb to porewater, leading to spikes in dissolved Pb concentrations and potential transport into surface or groundwater.
Soil and Aquifer Properties Combine as Predictors of Groundwater Uranium Concentrations within the Central Valley, California
With the increasing global need for groundwater resources to fulfill domestic, agricultural, and industrial demands, we face the threat of increasing concentrations of naturally occurring contaminants in water sources and a consequential need to improve our predictive capacity. Here, we combine machine learning and geochemical modeling to reveal the biogeochemical controls on regional groundwater uranium contamination within the Central Valley, California.
Morphological Adaptations for Digging and Climate-Impacted Soil Properties Define Pocket Gopher (Thomomys spp.) Distributions
Loading metrics Open Access Peer-reviewed Research Article Ariel E. Marcy , Scott Fendorf, James L. Patton, Elizabeth A. Hadly Ariel E. Marcy, Scott Fendorf, James L. Patton, Elizabeth A. Hadly Published: May 24, 2013 https://doi.org/10.1371/journal.pone.0064935 Figures Abstract Species ranges are mediated by physiology, environmental factors, and competition with other organisms.
Rice arsenic content could double
Changes to soil processes due to increasing global temperatures could cause rice to contain twice as much arsenic as rice consumed currently. We studied rice because it grows in flooded paddies that loosen arsenic from soil. That makes rice vulnerable to arsenic uptake. While many food crops today contain small amounts of arsenic, some growing regions are more susceptible than others. Warmer temperatures combined with floods cause rice plants to take up arsenic at greater-than-average levels.
Rice production threatened by coupled stresses of climate and soil arsenic
Abstract Projections of global rice yields account for climate change. They do not, however, consider the coupled stresses of impending climate change and arsenic in paddy soils. Here, we show in a greenhouse study that future conditions cause a greater proportion of pore-water arsenite, the more toxic form of arsenic, in the rhizosphere of Californian Oryza sativa L. variety M206, grown on Californian paddy soil.
Hexavalent Chromium Sources and Distribution in California Groundwater
Groundwater resources in California represent a confluence of high-risk factors for hexavalent chromium contamination as a result of industrial activities, natural geology, and, potentially, land use. Here, we examine state-wide links in California between groundwater Cr(VI) concentrations and chemicals that provide signatures for source attribution.
Overpumping leads to California groundwater arsenic threat
There are many factors that control natural variation in arsenic concentration. We developed a statistical model using numerous datasets to asses the role each plays as a predictor of arsenic concentrations.
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