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Anzeige der Dokumente 4825-4844 von 6989
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Particulate organic carbon (POC) in relation to other pore water carbon fractions in drained and rewetted fens in Southern Germany
; Höll, B. S.; Freibauer, A.; Stahr, K.; Drösler, M.; Schloter, M.; Jungkunst, H. F. (Biogeosciences, 2008)
Numerous studies have dealt with carbon (C) contents in Histosols, but there are no studies quantifying the relative importance of the individual C components in pore waters. For this study, measurements were taken of ... -
Particulate Organic Matter Mobilization and Transformation Along a Himalayan River Revealed by ESI‐FT‐ICR‐MS
; ; ; ; (Journal of Geophysical Research: Biogeosciences, 2022-12-14)
Tracing pathways and transformations of particulate organic carbon from landscape sources to oceanic sinks is commonly done using the isotopic composition or biomarker content of particulate organic matter (POM). However, ... -
Partitioning the Uncertainty of Ensemble Projections of Global Glacier Mass Change
; ; Anderson, Brian; ; Champollion, Nicolas; ; ; ; Kraaijenbrink, Philip; Malles, Jan-Hendrik; ; Radi?, Valentina; ; ; Shannon, Sarah; van de Wal, Roderik; (Earth's Future, 2020)
Glacier mass loss is recognized as a major contributor to current sea level rise. However, large uncertainties remain in projections of glacier mass loss on global and regional scales. We present an ensemble of 288 glacier ... -
Past and Future Climate Variability Uncertainties in the Global Carbon Budget Using the MPI Grand Ensemble
; ; ; ; ; ; ; ; (Global Biogeochemical Cycles, 2021-08-21)
Quantifying the anthropogenic fluxes of CO2 is important to understand the evolution of carbon sink capacities, on which the required strength of our mitigation efforts directly depends. For the historical period, the ... -
Past and future impact of the winter North Atlantic Oscillation in the Caspian Sea catchment area
; ; Arpe, Klaus; Merkel, Ute; Schulz, Michael (International Journal of Climatology, 2019)
The Caspian Sea level (CSL) has undergone variations of more than 3 m during the past century with important implications for the life of coastal people, economy and the ecosystem. The origin of these variations as well ... -
Past glacier (Würmian) ice thicknesses in the Karakoram and on the Deosai Plateau in the catchment area of the Indus river
(E&G – Quaternary Science Journal; Vol.54, No. 1)Es werden geomorphologische und quartärgeologische Gelände- und Labordaten und deren Auswertung zur maximalen würmzeitlichen (ca. 60-18 ka) Vergletscherung von Zentral- und Süd-Karakorum sowie auf dem Deosai Plateau ... -
Past megadroughts in central Europe were longer, more severe and less warm than modern droughts
; ; ; ; (Communications Earth & Environment, 2021-03-19)
Megadroughts are notable manifestations of the American Southwest, but not so much of the European climate. By using long-term hydrological and meteorological observations, as well as paleoclimate reconstructions, here we ... -
Past penguin colony responses to explosive volcanism on the Antarctic Peninsula
;; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; (2017)
Changes in penguin populations on the Antarctic Peninsula have been linked to several environmental factors, but the potentially devastating impact of volcanic activity has not been considered. Here we use detailed ... -
Path dependency or route flexibility in demand responsive transport? - the case study of TWIST project
(Discussion Papers / Centre for Regional Studies of Hungarian Academy of Science; 59) -
Pathogen and heavy metal contamination in urban agroecosystems of northern Ghana: Influence of biochar application and wastewater irrigation
; ;; ; ; ; (Journal of Environmental Quality, 2021-08-18)
The benefit of biochar as a soil fertility enhancer is well known and has been broadly investigated. Equally, many tropical and subtropical countries use wastewater for irrigation in urban agriculture. To assess the related ... -
Patterns of international migration in the Santiago Metropolitan Area] - characterization of the immigrants's social space and contributions to the national policy debate
(Techn. Univ Dresden, 2007)International migration to Chile and to the Santiago Metropolitan Area (SMA), its major point of attraction, is a rather recent phenomenon which is gaining more and more attention. According to the latest population census ... -
Patterns of Late Glacial vegetation in The Netherlands
(E&G – Quaternary Science Journal; Vol.47, No. 1)Das Weichsel-Spätglazial (ca. 13-000-10.000 Jahre vor heute) markiert den Übergang vom kalten späten Weichsel-Pleniglazial zum wärmeren Holozän. Während dieser Periode änderten sich Klima, Vegetation und die abiotische ... -
Paudorf locus typicus (Lower Austria) revisited
; Terhorst, Birgit; Peticzka, Robert; Thiel, Christine (E&G – Quaternary Science Journal; Vol.62)
The more than 12 m thick loess-paleosol sequence in Paudorf, Lower Austria, has been known for decades as locus typicus of the “Paudorfer Bodenbildung” (Paudorf paleosol). The upper section of the outcrop contains an up ... -
Pedogenic carbonates as a proxy for palaeo-CO2 in the Palaeozoic atmosphere
; Hoefs, Jochen; Paul, Josef (Elsevier2006)
According to a model by Cerling (1991, 1999), the carbon isotope composition of calcretes should depend on the soil type and the CO2-concentration in the atmosphere. We have tested Cerling’s model by investigating 14 ... -
Pedological and geochemical investigations at the „Red Outcrop“ of Langenlois (Lower Austria)
(E&G – Quaternary Science Journal; Vol.58, No. 2)In einem Aufschluss von Löss-Paläoboden-Sequenzen über Rehberger Amphibolit NW von Langenlois wurden sechs Bodenprofile (Lois 1 bis Lois 6) beprobt und pedologisch, mineralogisch und geochemisch analysiert. Am Profil Lois ... -
Pedologische Untersuchungen an verschieden genutzten Mooren in Borgarfjördur – West-Island
(TELMA - Berichte der Deutschen Gesellschaft für Moor- und Torfkunde; Band 39; 2009)Abstract: Little is known of the characteristics of Icelandic peat soil – one major aspect that is known, though, is that Icelandic peat soil tend to contain high amounts of volcanic ash. The agricultural use of organic ... -
Pedotransfer Function for the Brunswick Soil Hydraulic Property Model and Comparison to the van Genuchten‐Mualem Model
; ; ; ; (Water Resources Research, 2020-09-12)
Modeling soil hydraulic properties requires an effective representation of capillary and noncapillary storage and conductivity. This is made possible by using physically comprehensive yet flexible soil hydraulic property ... -
People need freshwater biodiversity
; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; (Wiley Interdisciplinary Reviews: Water, 2023-02-08)
Abstract Freshwater biodiversity, from fish to frogs and microbes to macrophytes, provides a vast ...
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Performance assessment of GNSS-based real-time navigation for the Sentinel-6 spacecraft
; ; (GPS Solutions, 2021-11-15)
The feasibility of precise real-time orbit determination of low earth orbit satellites using onboard GNSS observations is assessed using six months of flight data from the Sentinel-6A mission. Based on offline processing ... -
Performance evaluation of global hydrological models in six large Pan-Arctic watersheds
; ; ; ; ; ; ; ; ; ; ; ; ; ; (Climatic Change, 2020-11-24)
Global Water Models (GWMs), which include Global Hydrological, Land Surface, and Dynamic Global Vegetation Models, present valuable tools for quantifying climate change impacts on hydrological processes in the data scarce ...
