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Showing 31301 to 31350 of 59105 works
Analyse von Butylzinnverbindungen in Sedimenten mittels GC-AED
Organotin compounds are variously used industrial chemicals. One of the most toxicological relevant compounds is tributyltin (TBT). TBT has been used as an effective component in …
Biogeochemical cycling of phosphorus in subsoils of temperate forest ecosystems
Tree roots penetrate the soil to several meters depth, but the role of subsoils for the supply of nutrient elements such as phosphorus (P) to the trees is poorly understood. Here,…
Kombination geophysikalischer und hydrogeologischer Methoden zur gezielten Erkundung feinkörniger Talfüllungen
Sedimentäre Strukturen können die Fließ- und Stofftransportpfade in feinkörnigen Talfüllungen stark beeinflussen. Diese Strukturen müssen gezielt auf ihre Ausdehnung und Eigenscha…
What drives relocation policies in the Maldives?
The predominant responses to rising sea levels are in situ adaptations. However, increasing rates of sea-level rise will render ex situ adaptations—in the form of relocations—inev…
Der Buntsandstein der Mechernicher Trias-Senke
Auf der Grundlage eines Referenzprofils wird die lithostratigraphische Gliederung des Buntsandstein der Nordeifel vorgestellt und Kriterien der Grenzziehung zwischen Mittlerem u…
Drag and drop of pores during grain boundary migration
Untersucht werden die Wechselwirkungen zwischen Poren und Korngrenzen in Polykristallen, insbesondere das Ziehen einer Pore mit und die Separation einer Pore von einer wandernden …
Centenary meeting of the Paläontologische Gesellschaft
This volume contains the program, abstracts and field guides of the centenary meeting of the Paläontologische Gesellschaft (September 2012, Berlin). The topics of the symposia are…
Number of Chamber Measurement Locations for Accurate Quantification of Landscape‐Scale Greenhouse Gas Fluxes: Importanc…
Accurate quantification of landscape soil greenhouse gas (GHG) exchange from chamber measurements is challenging due to the high spatial‐temporal variability of fluxes, which resu…
A Dated Holocene Sediment Core from the Bottom of the Southern North Sea
Ein Bohrkern aus der südlichen Nordsee (54° 44,5' N, 4° 30' E) wurde auf Pollen, botanische Makroreste, Mollusken sowie Minerale und Schwermetalle untersucht. Im Liegenden befinde…
Die Scaglia Toscana (Alb-Oligozän) des Nordapennins
Unter der Bezeichnung "Scaglia" wird im Südalpin und im Nordapennin eine Folge überwiegend pelagischer, kreide- und tertiärzeitlicher Sedimente zusammengefaßt, die aus bunten Tons…
Neighboring Column Approximation—An Improved 3D Thermal Radiative Transfer Approximation for Non-Rectangular Grids
We present a significantly improved version of the Neighboring Column Approximation (NCA 2.0), a fast 3D approximation for the calculation of thermal heating and cooling rates in …
Evaluating the GECCO3 1948–2018 ocean synthesis – a configuration for initializing the MPI-ESM climate model
The paper describes an update of the GECCO (German contribution to the Estimating the Circulation and Climate of the Ocean project) ocean synthesis, now in its version 3, and prov…
Effect of anisotropy on solute transport in degraded fen peat soils
Peat soils are heterogeneous, anisotropic porous media. Compared to mineral soils, there is still limited understanding of physical and solute transport properties of fen peat soi…
Dissolved organic matter concentration, molecular composition, and functional groups in contrasting management practice…
About 91,300 ha of peatlands has been rewetted in western Europe since the mid‐1990s. Still, it is unknown how long‐term rewetting alters the dissolved organic matter (DOM) concen…
Extending MIEZE spectroscopy towards thermal wavelengths
A modulation of intensity with zero effort (MIEZE) setup is proposed for high‐resolution neutron spectroscopy at momentum transfers up to 3 Å<sup>−1</sup>, energy transfers up to …
Vicia sativa Roth. Can Reduce Soil and Water Losses in Recently Planted Vineyards (Vitis vinifera L.)
Elevated soil loss and runoff rates can reduce soil fertility; therefore, soil erosion control strategies must be implemented at the hillslope and watershed scale when plantations…
Aufbau, Alter und regionale Einordnung der Endmoränen im Gebiet des Falken-Berges bei Fallingbostel (Niedersachsen) .
In dem Hügelgebiet um den Falken-Berg zwischen Fallingbostel und Bergen Kr. Celle zeichnen sich 3 Endmoränenbögen ab, der Örbker, der Becklinger und der wenig deutlich ausgeprägte…
Leaching of hexavalent chromium from young chromite ore processing residue
Chromite ore processing residue (COPR) is a waste derived from the chromate extraction from roasted ores and is deposited in some countries in landfills. The objective of this stu…
Bw horizon in Holocene slope deposits (Kratzeburg, NE Germany) – dating and pedological characteristics
A soil-sediment sequence in NE Germany has provided information about the duration and intensity of formation of a Bw horizon in Holocene slope deposits. With a combination of opt…
Subcritical Phase Separation and Occurrence of Deep-Seated Brines at the NW Caldera Vent Field, Brothers Volcano: Evide…
https://doi.org/10 .1594/PANGAEA.920208
Experimental study and numerical modeling of the thermo-hydro-mechanical processes in soil freezing with different fros…
This research work presents an experimental and numerical study of the coupled thermo-hydro-mechanical (THM) processes that occur during soil freezing. With focusing on the artifi…
Syn‐ and post‐eruptive gully formation near the Laacher See volcano
The Laacher See volcano (LSV) is located at the western margin of the Neuwied Basin, the central part of the Middle Rhine Basin of Germany. Its paroxysmal Plinian eruption c. 13 k…
An automated testing device for continuous measurement of the hysteretic water retention curve of granular media
The water retention curve (WRC), representing an important key for the modelling of hydro-mechanical behaviour of unsaturated soils, is still not fully understood, because it orig…
Cryptogamic organisms are a substantial source and sink for volatile organic compounds in the Amazon region
Cryptogamic organisms such as bryophytes and lichens cover most surfaces within tropical forests, yet their impact on the emission of biogenic volatile organic compounds is unknow…
Compaction and Other Sources of Error in Obtaining Sea-Level Data: Some Results and Consequences
Diese Arbeit beschreibt Beobachtungen und Ergebnisse zu Radiocarbon-Altersbestimmungen, die mit der Auswirkung verschiedener Fehlerquellen auf die Zeit/Tiefenposition von Datenpun…
Bergordnung Platten 1535
Bergordnung für den Zinnbergbau in Platten vom 20. Mai 1535. Nachdem Kurfürst Johann Friedrich I. von Sachsen die Herrschaft Schwarzenberg 1533 gekauft hatte, erließ er diese neue…
Neutron time-of-flight texture measurements in Dubna: Status and developments
The multidetector texture diffractometer SKAT (from Russian: Spektrometer Kolitshestvennovo Analiza Tekstury) at the pulsed reactor IBR-2 in Dubna, Russia, started operation in Ma…
The handling of numerical ages and their random uncertainties
Die korrekte Auswertung numerischer Alter mit ihren Plus-Minus-„Fehlerangaben“ oder besser Standardabweichungen und die Anwendung der damit verbundenen statistischen Auswerteverfa…
The Impact of Wettability and Surface Roughness on Fluid Displacement and Capillary Trapping in 2-D and 3-D Porous Medi…
Fluid invasion, displacement of one fluid by another in porous media, is important in a large number of industrial and natural processes. Of special interest is the trapping of ga…
The first belemnite of boreal ancestry from the Early Cretaceous (Valanginian) of the western Tethys: implications for …
The first occurrence of the belemnite species Liobelus acrei (formerly Acroteuthis acrei) is reported from the Lower Cretaceous (Valanginian) of the Vocontian Basin (VB; south‐eas…
Die Banquette des Val du Bourget (franz. Nordalpen): Gelöste und ungelöste Probleme der der jungpleistozänen Klima- und…
Im Val du Bourget der französischen Alpen sind Banquette entwickelt, die ihre Entstehung im wesentlichen dem Spätpleistozän verdanken. Ihr litho-, bio- und chronostratigraphischer…
A new strategy for aeromagnetic survey merging and application to Greenland
Aeromagnetic surveys help us to learn about geology. To achieve good coverage, surveys need to be merged. However, conventional methods introduce long-wavelength bias and cannot h…
Equilibrium Climate Sensitivity Estimated by Equilibrating Climate Models
The methods to quantify equilibrium climate sensitivity are still debated. We collect millennial-length simulations of coupled climate models and show that the global mean equilib…
Kelp deposition changes mineralization pathways and microbial communities in a sandy beach
We investigated the impact of kelp deposition on the geochemistry and microbial community composition of beach sands on the island of Helgoland (North Sea). The composition of the…
A Decade of Short‐Period Earthquake Rupture Histories From Multi‐Array Back‐Projection
<title xmlns:mml="http://www.w3.org/1998/Math/MathML">Abstract</title><p xmlns:mml="http://www.w3.org/1998/Math/MathML" xml:lang="en">Teleseismic back‐projection imaging has emerg…
Ein Grünsandvorkommen im Verzahnungsbereich Meeressand/Rupelton am Südost-Rand des Kreuznacher Rhyolithmassivs bei Fürf…
Im Westen von Fürfeld wird ein 2,35 m mächtiges Profil mit Grünsanden beschrieben und sedimentpetrographisch sowie paläoökologisch untersucht. Innerhalb des Grünsands ist ein pe…
Deepening the Late Quaternary's Deep Ocean Carbon Mysteries
Changes to the carbon content of the deep ocean, the largest reservoir in the surficial carbon cycle, are capable of altering atmospheric carbon dioxide concentrations and thereby…
[Neue Nr. 5037] Eisenberg / Geologische Karte
Geologische Karte 1: 25 000 mit Erläuterungen. Digitalisat des FID GEO (Fachinformationsdienst Geowissenschaften der festen Erde), erstellt durch das GDZ (Göttinger Digitalisierun…
Reconstructing 2500 years of land use history on the Kemel Heath (Kemeler Heide), southern Rhenish Massif, Germany
Die Kemeler Heide im westlichen Hintertaunus ist heute Teil des größten zusammenhängenden Waldgebietes in Hessen mit einer Waldbedeckung von rund 60 %. Bis ins frühe 19. Jahrhunde…
Constraining Uncertainty in Projected Gross Primary Production With Machine Learning
The terrestrial biosphere is currently slowing down global warming by absorbing about 30% of human emissions of carbon dioxide (CO2). The largest flux of the terrestrial carbon up…
Die Neubearbeitung der Sammlung SCHWERD des Landesamtes für Geologie und Bergbau Rheinland-Pfalz. Eine „klassische“ Sam…
Die Sammlung SCHWERD im Landesamt für Geologie und Bergbau Rheinland-Pfalz entstand im späten 19. Jahrhundert und enthält umfangreiche Faunen aus dem hohen Unterdevon der Moselm…
Bergordnung Herzog Georg von Sachsen für Berggießhübel
Obwohl die Wettiner das Gebiet um Berggießhübel und Gottleuba schon 1405 übernommen haben, wurde erst 1516 eine Bergordnung für den dortigen Eisenerzbergbau erlassen. In den vier …
The Synergy of Data From Profiling Floats, Machine Learning and Numerical Modeling: Case of the Black Sea Euphotic Zone
Data from profiling floats in the Black Sea revealed complex temporal and spatial relationships between physical variables and oxygen, chlorophyll and the backscattering coefficie…
GEO-LEO setzt Open-Access-Prinzipien für die geowissenschaftliche Fachgemeinschaft um
Die Virtuelle Fachbibliothek GEO-LEO ermöglicht seit diesem September Wissenschaftlern die gleichzeitige Recherche in über 50 Dokumentenservern im In- und Ausland . Damit setzt …
Temperatures Near the Lunar Poles and Their Correlation With Hydrogen Predicted by LEND
The lunar polar regions offer permanently shadowed regions (PSRs) representing the only regions which are cold enough for water ice to accumulate on the surface. The Lunar Explora…
Bottom‐Current Variability and the Relationship With Topography and Sedimentary Processes in the Drake Passage
<title xmlns:mml="http://www.w3.org/1998/Math/MathML">Abstract</title><p xmlns:mml="http://www.w3.org/1998/Math/MathML" xml:lang="en">Bottom‐current related sediments have been co…
A multi‐criteria decision‐making approach for assembling optimal powertrain technology portfolios in low GHG emission e…
Environmental regulations force car manufacturers to renew the powertrain technology portfolio offered to the customer to comply with greenhouse gas (GHG) emission targets. In tur…
A review of air–ice chemical and physical interactions (AICI): liquids, quasi-liquids, and solids in snow
Snow in the environment acts as a host to rich chemistry and provides a matrix for physical exchange of contaminants within the ecosystem. The goal of this review is to summari…
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