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Showing 751 to 800 of 8471 works
Kontrollierter Landnutzungswandel
Institut für Geographische Wissenschaften, Freie Universität Berlin
High Precision Femtosecond Laser Ablation ICP‐MS Measurement of Benthic Foraminiferal Mn‐Incorporation for Paleoenviron…
Closure of the Central American Seaway (CAS) and hydrology of the Caribbean Sea triggered Northern Hemisphere Glaciation and played an important role in the Pliocene to modern‐day…
Constraints on Moon's Orbit 3.2 Billion Years Ago From Tidal Bundle Data
The angular momentum of the Earth‐Moon system was initially dominated by Earth's rotation with a short solar day of around 5 hr duration. Since then, Earth gradually transferred a…
Anomalous Reconnection Layer at Earth's Dayside Magnetopause
Observations by the Magnetospheric Multiscale spacecraft (MMS) of an unusual layer, located between the dayside magnetosheath and the magnetosphere, alternating with encounters wi…
Mesoscale marine tropical precipitation varies independently from the spatial arrangement of its convective cells
The relationship between mesoscale convective organization, quantified by the spatial arrangement of convection, and oceanic precipitation in the tropical belt is examined using t…
Lithospheric Delamination Beneath the Southern Puna Plateau Resolved by Local Earthquake Tomography
We present a local earthquake tomography to illuminate the crustal and uppermost mantle structure beneath the southern Puna plateau and to test the delamination hypothesis. Vp and…
Gypsum veins as hydrofractures in layered and faulted mudstones: implications for reservoir permeability
Mineral veins form when water solutions passing through fluid-transporting fractures gradually seal the fractures as minerals precipitate. Many mineral veins are hydrofractures, t…
Compound Events in South America Using the CORDEX‐CORE Ensemble: Current Climate Conditions and Future Projections in a…
Climate hazards associated with compound events (CEs) have lately received increasing attention over South America (SA) due to their potential risks and amplification of impacts. …
Leitbilder der Hochmoornutzung und die langfristige Nutzung von Hochmoorgrünland
Hochmoore werden seit mehreren Jahrhunderten in Niedersachsen genutzt. Heute ist die landwirtschaftliche Nutzung als Grünland noch die dominierende Nutzungsform. Infolge der Inten…
Flächendeckende Ermittlung bodenphysikalischer Parameter aus Drucksondierergebnissen mittels Korrelationen zu Ergebniss…
Basierend auf einer Analyse der spezifischen Merkmale der Drucksondierung (DS) und der radiometrischen Kombinationsdrucksondierung (KDS) sowie einer Dimensionsanalyse wurde ein Ve…
Pore structure and sorption capacity investigations of Ediacaran and Lower Silurian gas shales from the Upper Yangtze p…
The shale gas potential of Ediacaran and Lower Silurian shales from the Upper Yangtze platform is assessed in this study with a focus on the contributions of clay minerals and org…
Hochgeschwindigkeits-Einschläge von Asteroiden, Kometen und Meteoriten
In dieser Arbeit werden physikalische Prozesse von Hoch-Geschwindigkeitseinschlägen auf planetaren Körpern studiert. Zuerst wird innerhalb einer semi-analytischen Näherung für die…
Formation of Small Craters in the Lunar Regolith: How Do They Influence the Preservation of Ancient Melt at the Surface?
The impact melt that records the formation time of basins is essential for the understanding of the lunar bombardment history. To better understand melt distribution on the Moon, …
Ein Teuthiden-Rest aus dem Obernor (Kössener-Schichten) der Lahnewies-Neidernachmulde bei Garmisch-Partenkirchen (Bayer…
A description of a new Teuthida in the Upper Triass.ic (Kössen-Beds) from the Lahnewies-Neidernachsyncline (Garmisch-Partenkirchen, Bavaria) is given. Loligosepia neidernachensi…
Palaeobiological reconstructions of selected Spinctozoan Sponges from the Cassian Beds (Lower Carnian) of the Dolomites…
PalaeobiologicaJ models of four selecled species of sphinctozoan coraIIine sponges from the Cassian Ileds (Lower Camian, Dolomites) have been established using, among othels, lum…
How to publish Open Access in the earth sciences
Open Access to scientific literature and research data has significant advantages for researchers as well as for society as a whole. Researchers might gain from increased citatio…
Effect of spatial resolution of satellite images on estimating the greenness and evapotranspiration of urban green spac…
Urban green spaces (UGS), like most managed land covers, are getting progressively affected by water scarcity and drought. Preserving, restoring and expanding UGS require sustaina…
Controls on Dissolved Silicon Isotopes Along the U.S. GEOTRACES Eastern Pacific Zonal Transect (GP16)
The distribution of dissolved silicon isotopes (δ30Si) was examined along the U.S. GEOTRACES East Pacific Zonal Transect (GP16) extending from Peru to Tahiti (10°S and 15°S latitu…
Legacy Effects from Historical Environmental Changes Dominate Future Terrestrial Carbon Uptake
Ecosystems continuously adapt to interacting environmental drivers that change over time. Consequently, the carbon balance of terrestrial ecosystem may presently still be affected…
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…
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