Search Results - "Jens Hartmann"
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Bicarbonate-fluxes and CO2-consumption by chemical weathering on the Japanese Archipelago — Application of a multi-lithological model framework
Published in Chemical geology (30-07-2009)Get full text
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Potential and costs of carbon dioxide removal by enhanced weathering of rocks
Published in Environmental research letters (01-03-2018)“…The chemical weathering of rocks currently absorbs about 1.1 Gt CO2 a−1 being mainly stored as bicarbonate in the ocean. An enhancement of this slow natural…”
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Carbon Dioxide Efficiency of Terrestrial Enhanced Weathering
Published in Environmental science & technology (06-05-2014)“…Terrestrial enhanced weathering, the spreading of ultramafic silicate rock flour to enhance natural weathering rates, has been suggested as part of a strategy…”
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Compiling and Mapping Global Permeability of the Unconsolidated and Consolidated Earth: GLobal HYdrogeology MaPS 2.0 (GLHYMPS 2.0)
Published in Geophysical research letters (28-02-2018)“…The spatial distribution of subsurface parameters such as permeability are increasingly relevant for regional to global climate, land surface, and hydrologic…”
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Global chemical weathering and associated P-release — The role of lithology, temperature and soil properties
Published in Chemical geology (10-01-2014)“…Because there remains a lack of knowledge about the spatially explicit distribution of chemical weathering rates at the global scale, a model that considers…”
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Spatial patterns in CO2 evasion from the global river network
Published in Global biogeochemical cycles (01-05-2015)“…CO2 evasion from rivers (FCO2) is an important component of the global carbon budget. Here we present the first global maps of CO2 partial pressures (pCO2) in…”
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Substantial decrease in CO2 emissions from Chinese inland waters due to global change
Published in Nature communications (19-03-2021)“…Carbon dioxide (CO 2 ) evasion from inland waters is an important component of the global carbon cycle. However, it remains unknown how global change affects…”
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Negative emissions-Part 3: Innovation and upscaling
Published in Environmental research letters (01-06-2018)“…We assess the literature on innovation and upscaling for negative emissions technologies (NETs) using a systematic and reproducible literature coding…”
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Negative emissions-Part 2: Costs, potentials and side effects
Published in Environmental research letters (01-06-2018)“…The most recent IPCC assessment has shown an important role for negative emissions technologies (NETs) in limiting global warming to 2 °C cost-effectively…”
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A glimpse beneath earth's surface: GLobal HYdrogeology MaPS (GLHYMPS) of permeability and porosity
Published in Geophysical research letters (16-06-2014)“…The lack of robust, spatially distributed subsurface data is the key obstacle limiting the implementation of complex and realistic groundwater dynamics into…”
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The World Karst Aquifer Mapping project: concept, mapping procedure and map of Europe
Published in Hydrogeology journal (01-05-2017)“…Karst aquifers contribute substantially to freshwater supplies in many regions of the world, but are vulnerable to contamination and difficult to manage…”
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Differential weathering of basaltic and granitic catchments from concentration–discharge relationships
Published in Geochimica et cosmochimica acta (01-10-2016)“…A negative feedback between silicate weathering rates and climate is hypothesized to play a central role in moderating atmospheric CO2 concentrations on…”
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Negative emissions-Part 1: Research landscape and synthesis
Published in Environmental research letters (01-06-2018)“…With the Paris Agreement's ambition of limiting climate change to well below 2 °C, negative emission technologies (NETs) have moved into the limelight of…”
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Olivine Dissolution in Seawater: Implications for CO2 Sequestration through Enhanced Weathering in Coastal Environments
Published in Environmental science & technology (04-04-2017)“…Enhanced weathering of (ultra)basic silicate rocks such as olivine-rich dunite has been proposed as a large-scale climate engineering approach. When…”
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Geoengineering potential of artificially enhanced silicate weathering of olivine
Published in Proceedings of the National Academy of Sciences - PNAS (23-11-2010)“…Geoengineering is a proposed action to manipulate Earth's climate in order to counteract global warming from anthropogenic greenhouse gas emissions. We…”
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Carbon Accounting for Enhanced Weathering
Published in Frontiers in climate (05-05-2022)“…The inevitable deployment of negative emission technologies requires carbon accounting to incentivise the investment and to foster an active CO 2 certificate…”
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Chemical weathering rates of silicate-dominated lithological classes and associated liberation rates of phosphorus on the Japanese Archipelago—Implications for global scale analysis
Published in Chemical geology (21-08-2011)“…Lithology is an important characteristic of the terrestrial surface, whose properties influence chemical weathering rates. Specifically non-silicate minerals…”
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An in vitro study on factors affecting endotoxin neutralization in human plasma using the Limulus amebocyte lysate test
Published in Scientific reports (18-02-2021)“…Endotoxin neutralization, caused by plasma components, makes it difficult to detect endotoxins in human blood. In this study, we investigated which factors…”
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Enhanced chemical weathering as a geoengineering strategy to reduce atmospheric carbon dioxide, supply nutrients, and mitigate ocean acidification
Published in Reviews of geophysics (1985) (01-06-2013)“…Chemical weathering is an integral part of both the rock and carbon cycles and is being affected by changes in land use, particularly as a result of…”
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Global CO2-consumption by chemical weathering: What is the contribution of highly active weathering regions?
Published in Global and planetary change (01-12-2009)Get full text
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