نتایج جستجو برای: hydrology

تعداد نتایج: 6983  

2017
Avril C. Horne J. Angus Webb Erin O'Donnell Angela H. Arthington Michael McClain Nicholas Bond Mike Acreman Barry Hart Michael J. Stewardson Brian Richter N. LeRoy Poff

1 Environmental Hydrology and Water Resources Group, Department of Infrastructure Engineering, The University of Melbourne, Melbourne, VIC, Australia, 2 Law School, The University of Melbourne, Melbourne, VIC, Australia, 3 Australian Rivers Institute, Griffith University, Nathan, QLD, Australia, 4 Institute for Water Education, IHE Delft, Delft, Netherlands, 5 The Murray Darling Freshwater Rese...

Journal: :Computers & Geosciences 2013
Xuan Yu Gopal Bhatt Christopher J. Duffy Yuning Shi

SHALEHILLS, PA CZO Snow FLUX-­‐PIHM(LSM) Age Isotope Transport Carbon Cycle LITTLE JUNIATA, PA CZO Ecology/Wetland FLUX-­‐PIHM(LSM) SHAVERS CREEK, PA CZO Ecology/Wetland LACKAWANNA RIVER, PA Ecology/Wetland MAHANTANGO CREEK, PA Ecology/Wetland MUDDY CREEK, PA Ecology/Wetland YOUNG WOMAN CREEK, PA CZO Ecology/Wetland JUNIATA RIVER BASIN, PA Parallel computa>on Large watershed applica>on WHITE CL...

2007
Jose A. Carrera Estanislao de Simon Manuel Fisac

Dr. Engineers, ICONA (Instituto National para la Conservacion de la Naturaleza), Madrid, Spain. Abstract: Management of the fragile and greatly modified ecosystems in the Spanish Mediterranean climate is complex. Rainfall occurs in a few intensive storms on rough topography. Climax vegetation is sparse forest dominated by evergreen xerophilic species. The emphases of the National Institute for ...

2006
A. J. Teuling P. A. Troch

Estimating spatial mean root-zone soil moisture from point-scale observations A. J. Teuling, R. Uijlenhoet, F. Hupet, E. E. van Loon, and P. A. Troch Hydrology and Quantitative Water Management Group, Wageningen University, Wageningen, The Netherlands Department of Environmental Sciences and Land Use Planning, Université Catholique de Louvain, Louvain-la-Neuve, Belgium Institute for Biodiversit...

2009
S K Mittal Manjeet Singh R K Garg

Introduction Knowledge of snow parameters is important for climatology, meteorology, hydrology, flood prevention and hydropower industry. Liquid water in a snow pack shows a dominant effect on reflection, absorption and transmission of electromagnetic waves especially in microwave region. Liquid water in snow plays a major role in metamorphism, mechanics and hydrology of snow, and in soil engin...

2009
Jinyang Du Jiancheng Shi

Active microwave sensors, especially high-frequency radar systems, are highly sensitive to snow pack parameters, including Snow Water Equivalent (SWE), which is a crucial parameter in the studies of hydrology and climatology. For example, studies using Ku-band observations from scatterometer QuickSCAT and POLSCAT have shown significant radar backscattering responses on SWE variations. It has be...

1998
Laure Ledoux

In wetlands, hydrology is a driving factor in all ecological economic interactions. Any attempt at water management for human activities will alter the balance of these interactions, and may threaten sustainable use of wetland resources. The Camargue is an extensive area of wetland (80 000 ha) in the Rhône delta in the South of France, where hydrology has long been influenced by man. The intera...

2004
Frédéric Frappart Anny Cazenave Frédérique Seyler Stéphane Calmant

Since the launch of ENVISAT satellite in 2002, the Radar Altimetry Mission provides systematic altimeter observations of the Earth surface. The ENVISAT Geophysical Data Records products contain, over all type of surfaces, altimeter ranges derived from four specialized retrackers: Ocean, Ice-1, Ice-2 and Sea-Ice retracker. Among the different goals of the ENVISAT Mission, one directly concerns l...

2008

In recent years , tritium (the radioactive isotope of hydrogen) has been increasingly used as a r e search tool in chemistry, physics, biology, meteorology and hydrology. In a variety of investigations, such as the study of biological and metabolic processes, tritium or a chemical compound with tritium as one of the constituents can be used as a tracer. It is also useful in studying the effects...

Journal: :International Journal of Geographical Information Science 2012
Min Liu András Bárdossy Jing Li Yuan Jiang

GIS-based modelling of topographyinduced solar radiation variability in complex terrain for data sparse region Min Liu a b , András Bárdossy c , Jing Li d & Yuan Jiang a a State Key Laboratory of Earth Surface Processes and Resource Ecology , Beijing Normal University , Beijing , PR China b Department of Bioenergy , Helmholtz Centre for Environmental Research (UFZ) , Magdeburg , Germany c Depar...

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