Auflistung nach Titel
Anzeige der Dokumente 2894-2913 von 6924
-
Höhenverluste von Moorböden – eine Herausforderung für Wasserwirtschaft und Landnutzung
(TELMA - Berichte der Deutschen Gesellschaft für Moor- und Torfkunde; Band 45; 2015)Abstract: Drained peat soils subside and lose height. This vicious circle of peat use was managed in the past with regularly draining activities for sustaining intensive land use. This approach will not work so easily ... -
HTD2: a single‐crystal X‐ray diffractometer for combined high‐pressure/low‐temperature experiments at laboratory scale
(Journal of Applied Crystallography, 2022-09-29)High‐pressure (HP) X‐ray diffraction experiments at low temperature (LT) require dedicated instruments as well as non‐standard sample environments and measuring strategies. This is especially true when helium cryogenic ... -
Humifizierungswechsel in terrainbedeckenden Mooren von Gough Island/Südatlantik
(TELMA - Berichte der Deutschen Gesellschaft für Moor- und Torfkunde; Band 07; 1977)Die Humifizierungswechsel nordwesteuropäischer Hochmoore sind als Schwarztorf-Weißtorf-Kontakte‚ Rekurrenzflächen oder "WEBERscher Grenzhorizont" bekannt. Eine ähnliche Erscheinung wurde auf Gough Island im Südatlantik ... -
Huminstoffe und ihre Wirkungsmöglichkeiten in der Balneologie
(TELMA - Berichte der Deutschen Gesellschaft für Moor- und Torfkunde; Band 24; 1994)Auf die besondere Beweislage zum Problem "Huminstoffe und ihre Wirkungsmöglichkeiten in der Balneologie" wird hingewiesen. Hierzu werden die notwendigen experimentellen Voraussetzungen und ein Modell zum Nachweis der ... -
Hungary - the new border of the European Union
(Discussion Papers / Centre for Regional Studies of Hungarian Academy of Science; 54) -
Hunza - Ländliche Entwicklung im Karakorum
(Reimer Verlag Berlin, 1989)In der vorliegenden Fallstudie zur ländlichen Entwicklung in Hochgebirgen werden aktuelle Fragen der Hochgebirgsforschung problematisiert. Ausgehend von Ansätzen der Geographie des Hochgebirges sowie der Geographischen ... -
Hurricane Matthew in 2100: effects of extreme sea level rise scenarios on a highly valued coastal area (Palm Beach, FL, USA)
; ; ; (Geo-Marine Letters, 2021-09-08)
Sea-level rise represents a severe hazard for populations living within low-elevation coastal zones and is already largely affecting coastal communities worldwide. As sea level continues to rise following unabated greenhouse ... -
Hydrated sub-arc mantle: a source for the Kluchevskoy volcano, Kamchatka/Russia
Dorendorf, Frank; Wiechert, Uwe; (Earth and Planetary Science Letters, 2000)
Oxygen isotope ratios of olivine and clinopyroxene phenocrysts from the Kluchevskoy volcano in Kamchatka have been studied by CO2 and ArF laser techniques. Measured δ18O values of 5.8–7.1‰ for olivine and 6.2–7.5‰ for ... -
Hydraulic, sedimentological and ecological problems of multifunctional riparian forest management - RIPFOR - - guidelines for end-users ; 32 Tabellen
(Berliner geographische Abhandlungen, 66)PREFACE: The problem of prevention with regard to floodplains is related to two extremes: Prevention of floods and prevention of droughts, both urgent socioeconomic issues during the last years. „Retard the flow ... -
Hydraulic, sedimentological and ecological problems of multifunctional riparian forest management - RIPFOR - - the scientific report ; 15 Tabellen
(Berliner geographische Abhandlungen, 65)PREFACE: The problem of prevention with regard to floodplains is related to two extremes: Prevention of floods and prevention of droughts, both urgent socioeconomic issues during the last years. „Retard the flow of water ... -
Hydraulische Eigenschaften unterschiedlicher Sphagnum-Torfe
(TELMA - Berichte der Deutschen Gesellschaft für Moor- und Torfkunde; Band 46; 2016)Abstract: On an experimental site in Lower Saxony samples of various Sphagnum peats were collected for laboratory analyses of hydraulic properties. It turned out that the hydraulic properties of the peats are different ... -
Hydro Explorer: An interactive web app to investigate changes in runoff timing and runoff seasonality all over the world
; Vormoor, Klaus; Francke, Till; (River Research and Applications, 2021-01-26)
Climatic changes and anthropogenic modifications of the river basin or river network have the potential to fundamentally alter river runoff. In the framework of this study, we aim to analyze and present historic changes ... -
Hydrochemical evaluation of water resources and human impacts on an urban karst system, Jordan
; ; ; ; (Hydrogeology Journal, 2020-06-05)
Urban karst aquifers are threatened by anthropogenic activities, especially in semiarid developing countries. Recent water-sampling campaigns assessed the extent of groundwater-quality impairment in the Wadi Shueib in ... -
Hydrochemistry and environmental isotopes (18O, 2H, 3H, 3He/4He) of groundwater and floodwater in the great area of Hurghada, Eastern Desert of Egypt
(Environmental Earth Sciences, 2021-05-28)Porous and fractured aquifers exist in the area of Hurghada, Eastern Desert of Egypt, whose recharge processes through the common flash floods are not identified. Hydrochemical parameters, stable isotopes 18O, ... -
Hydroclimate in the Pamirs Was Driven by Changes in Precipitation-Evaporation Seasonality Since the Last Glacial Period
; Makhmudov, Zafar; Rajabov, Ilhomjon; ; ; ; ; ; ; ; (Geophysical Research Letters, 2019)
The Central Asian Pamir Mountains (Pamirs) are a high-altitude region sensitive to climatic change, with only few paleoclimatic records available. To examine the glacial-interglacial hydrological changes in the region, we ... -
Hydrodynamic Control of Sediment‐Water Fluxes: Consistent Parameterization and Impact in Coupled Benthic‐Pelagic Models
; ; ; ; ; (Journal of Geophysical Research: Oceans, 2023-06-13)
Abstract Benthic oxygen dynamics and the exchange of oxygen and other solutes across the ...
-
Hydrodynamic modeling of ephemeral flow in the Iishana channel systems of the Cuvelai Basin—Northern Namibia
; ; ; ; ; ; ; (River Research and Applications, 2023-07-13)
Abstract The transboundary region of the Iishana system in the western Cuvelai Basin, between ...
-
Hydrogen Diffusion in Clinopyroxene at Low Temperatures (195°C–400°C) and Consequences for Subsurface Processes
; ; ; (Geochemistry, Geophysics, Geosystems, 2022-12-12)
Studying diffusion of hydrogen in nominally anhydrous minerals, like clinopyroxene, at low temperatures is a challenging task due to experimental and analytical difficulties. In this study, to overcome these problems we ... -
Hydrogen incorporation in enstatite in the system MgO-SiO2-H2O-NaCl
(Contributions to mineralogy and petrologyContributions to mineralogy and petrology, 2008)The incorporation of hydrogen in enstatite in a hydrous system containing various amounts of NaCl was investigated at 25 kbar. The hydrogen content in enstatite shows a clear negative correlation to the NaCl-concentration ... -
Hydrogen-deficient central stars of planetary nebulae
(Univ. Potsdam, 2009)Central stars of planetary nebulae are low-mass stars on the brink of their final evolution towards white dwarfs. Because of their surface temperature of above 25,000 K their UV radiation ionizes the surrounding material, ...
