نتایج جستجو برای: environmental isotopes

تعداد نتایج: 393385  

Journal: :journal of rangeland science 2011
d. noorollahi h. lashkari m. amirzade gh. azizi s. sharafi

the isotopic documents of lake deposition are suitable potential means for studyingthe intercontinental, environmental and climatic conditions. in order to study theenvironmental and climatic conditions of parishan area in fars province in holocene, a corewas taken with the length of 2m from the parishan lake sediment. from this core, kernel timeseries was provided from documents of carbon and ...

Journal: :international journal of environmental research 0
a. romanelli instituto de geología de costas y del cuaternario, universidad nacional de mar del plata, 3350 funes st. - level 1 - 7600 mar del plata, argentina, consejo nacional de investigaciones científicas y técnicas (conicet), argentina h.e. massone consejo nacional de investigaciones científicas y técnicas (conicet), argentina o.m. qutrozl consejo nacional de investigaciones científicas y técnicas (conicet), argentina

this paper gives an account of the implementation of geomorphological, hydrogeological, hydrochemical and isotopic techniques to understand groundwater-surface water interactions in a multiple use area, los padres-la brava corridor (se of buenos aires province, argentina). the isophreatic map reveals a regional flow from the sw to ne sector, and allowed us to define the effluent-influent behavi...

Journal: :Marine pollution bulletin 2004
Gilles Lepoint Patrick Dauby Sylvie Gobert

Stable isotopes of carbon and nitrogen are increasingly used in marine ecosystems, for ecological and environmental studies. Here, we examine some applications of stable isotopes as ecological integrators or tracers in seagrass ecosystem studies. We focus on both the use of natural isotope abundance as food web integrators or environmental tracers and on the use of stable isotopes as experiment...

Journal: :international journal of environmental research 2011
a. romanelli h.e. massone o.m. qutrozl

this paper gives an account of the implementation of geomorphological, hydrogeological, hydrochemical and isotopic techniques to understand groundwater-surface water interactions in a multiple use area, los padres-la brava corridor (se of buenos aires province, argentina). the isophreatic map reveals a regional flow from the sw to ne sector, and allowed us to define the effluent-influent behav...

Journal: :Eos, Transactions American Geophysical Union 1999

2011
Pradeep K. Aggarwal Klaus Froehlich Kshitij M. Kulkarni

2008
Y. YURTSEVER

Development and applications of isotope methodologies in hydrology have been an integral part of the program component of the IAEA over the last three decades, within the framework of its overall activities related to peaceful nuclear applications. The use of environmental isotopes as a means of tracing water movement in the hydrology including surface and ground water is much of the Agency's w...

Journal: :Lithuanian Journal of Physics 2012

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم 1392

gol-e-gohar iron ore mine of sirjan in southern part of iran is a large open pit that operates below the groundwater table and during mining operation, dewatering is required to prevent operation processes from flooding. current operation is going on by digging wells in or out of the pit and pumping to prevent flooding. as a result of the former dewatering operation a vast deep cone of depressi...

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