نتایج جستجو برای: analysis gcms

تعداد نتایج: 2825371  

2010
K. J. Anchukaitis B. M. Buckley E. R. Cook B. I. Cook R. D. D’Arrigo C. M. Ammann

[1] Several state‐of‐the‐art general circulation models (GCMs) predict that large volcanic eruptions should result in anomalous dry conditions throughout much of monsoon Asia. Here, we use long and well‐validated proxy reconstructions of Asian droughts and pluvials to detect the influence of volcanic radiative forcing on the hydroclimate of the region since the late Medieval period. Superposed ...

2012
L. Ruby Leung Eric P. Salathé Francina Dominguez Bart Nijssen Dennis P. Lettenmaier

[1] The water cycle of the southwestern United States (SW) is dominated by winter storms that maintain a positive annual net precipitation. Analysis of the control and future climate from four pairs of regional and global climate models (RCMs and GCMs) shows that the RCMs simulate a higher fraction of transient eddy moisture fluxes because the hydrodynamic instabilities associated with flow ove...

2003
H. B. NIEMANN S. K. ATREYA S. J. BAUER K. BIEMANN B. BLOCK G. R. CARIGNAN T. M. DONAHUE R. L. FROST D. GAUTIER J. A. HABERMAN D. HARPOLD D. M. HUNTEN G. ISRAEL J. I. LUNINE K. MAUERSBERGER T. C. OWEN F. RAULIN J. E. RICHARDS S. H. WAY

The Gas Chromatograph Mass Spectrometer (GCMS) on the Huygens Probe will measure the chemical composition of Titan’s atmosphere from 170 km altitude (∼1 hPa) to the surface (∼1500 hPa) and determine the isotope ratios of the major gaseous constituents. The GCMS will also analyze gas samples from the Aerosol Collector Pyrolyser (ACP) and may be able to investigate the composition (including isot...

2015
C. H. Wu G. R. Huang H. J. Yu

Abstract. The occurrence of climate warming is unequivocal, and is expected to be experienced through increases in the magnitude and frequency of extreme events, including flooding. This paper presents an analysis of the implications of climate change on the future flood hazard in the Beijiang River basin in South China, using a variable infiltration capacity (VIC) model. Uncertainty is conside...

Ahsana Dar Farooq Jude Efiom Okokon, Mohammed Iqbal Choudhary

Objective: Homalium letestui Pellegr (Flacourtiaceae) is used in traditional medicine in parts of Nigeria for the treatment of malaria, ulcer, and inflammatory diseases and as an aphrodisiac. This investigation was aimed to evaluate the cytotoxic, immunomodulatory, and antileishmanial properties of stem extract and fractions of Homalium letestui (H. letestui). Materials and Methods: Cytotoxic a...

Journal: :Monthly Weather Review 2007

Journal: :اکو هیدرولوژی 0
منصور حسینی خواه دانشجوی کارشناسی ارشد مهندسی آبخیزداری، دانشکدۀ کشاورزی و منابع طبیعی، دانشگاه لرستان حسین زینی وند استادیار گروه مهندسی مرتع و آبخیزداری، دانشکدۀ کشاورزی و منابع طبیعی، دانشگاه لرستان علی حقی زاده استادیار گروه مهندسی مرتع و آبخیزداری، دانشکدۀ کشاورزی و منابع طبیعی، دانشگاه لرستان ناصر طهماسبی پور استادیار گروه مهندسی مرتع و آبخیزداری، دانشکدۀ کشاورزی و منابع طبیعی، دانشگاه لرستان

the objective of this study was to evaluate the ability of ten gcms and three emission scenarios to reproduce the rainfall and temperature parameters in kermanshah, ravansar and west islamabad stations located inside qaresou basin in iran using the average weighting method, over 1989-2008 period. at first, the models output and the scenarios were provided for this period. then, the models valid...

2015
Mona Khorshid Eglal R. Souaya Ahmed H. Hamzawy Moustapha N. Mohammed

A gas chromatography equipped with mass spectrometer (GCMS) method was developed and validated for determination of 16 polycyclic aromatic hydrocarbons (PAHs) in fish using modified quick, easy, cheap, effective, rugged, and safe (QuEChERS) method for extraction and solid phase extraction for sample cleanup to remove most of the coextract combined with GCMS for determination of low concentratio...

2003
J. R. Toggweiler S. Carson R. Murnane J. L. Sarmiento

[1] Bacastow [1996], Broecker et al. [1999], and Archer et al. [2000] have called attention recently to the fact that box models and general circulation models (GCMs) represent the thermal partitioning of CO2 between the warm surface ocean and cold deep ocean in different ways. They attribute these differences to mixing and circulation effects in GCMs that are not resolved in box models. The me...

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