نتایج جستجو برای: isotope hydrology

تعداد نتایج: 39399  

2011
Iliana Mladenova Venkat Lakshmi Thomas J. Jackson Jeffrey P. Walker Olivier Merlin Richard A.M. de Jeu

a Department of Geological Sciences, University of South Carolina, Columbia, SC, USA b Hydrology and Remote Sensing Lab, USDA, Beltsville, MD, USA c Department of Civil and Environmental Engineering, University of Melbourne, Melbourne, Victoria, Australia d Centre d'Etudes Spatieles de la BIOsphere, Toulouse, France e Department of Hydrology and GeoEnvironmetal Sciences, Vrije Universiteit, Ams...

2009
Andrea Rinaldo Jayanth R. Banavar Amos Maritan

[1] This paper reviews theoretical and observational material on form and function of natural networks appeared in somewhat disparate contexts from physics to biology, whose study is related to hydrologic research. Moving from the exact result that drainage network configurations minimizing total energy dissipation are stationary solutions of the general equation describing landscape evolution,...

Journal: :Analytical chemistry 2013
Elena S F Berman Naomi E Levin Amaelle Landais Shuning Li Thomas Owano

Stable isotopes of water have long been used to improve understanding of the hydrological cycle, catchment hydrology, and polar climate. Recently, there has been increasing interest in measurement and use of the less-abundant (17)O isotope in addition to (2)H and (18)O. Off-axis integrated cavity output spectroscopy (OA-ICOS) is demonstrated for accurate and precise measurements δ(18)O, δ(17)O,...

2014
Michael Kiparsky Brian Joyce David Purkey Charles Young

We present an integrated hydrology/water operations simulation model of the Tuolumne and Merced River Basins, California, using the Water Evaluation and Planning (WEAP) platform. The model represents hydrology as well as water operations, which together influence water supplied for agricultural, urban, and environmental uses. The model is developed for impacts assessment using scenarios for cli...

Journal: :Frontiers in Earth Science 2022

Riverine lithium (Li) isotopes have been considered as a robust tracer for silicate weathering, but processes controlling riverine δ 7 Li ratios remain controversial. To address the impacts of weathering and hydrology on Li, seasonal variation water chemistry in Min Jiang at eastern Tibetan Plateau was investigated over December 2009 to end 2010. The results showed distinct variations ionic Li....

2007
Shirley Clark

................................................................................................................................................................................ 4 Introduction ........................................................................................................................................................................... 6 Characterization..................

2003
Shirley Clark

.......................................................................................................................................................................................................4 Introduction...........................................................................................................................................................................................

1994
Z CHEN

Multiphase ow simulation with various nonhomogeneous boundary conditions in ground water hydrology and petroleum engineering is considered The phase ow equations are given in a fractional ow formulation i e in terms of a saturation and a global pressure It is shown that most commonly used boundary conditions for groundwater hydrology and petroleum engineering problems can be incorporated into t...

2003
J. M. Spate B.F.W. Croke A. J. Jakeman

A large number of data mining techniques and tools are available for extracting trends, characteristics or rules from data. A selection of those relevant to hydrology are covered in this paper. Clustering, classification, association rule extraction and dominant mode analysis and the ways in which each family of techniques could be used in a hydrological modelling context are considered. In add...

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