نتایج جستجو برای: sea level pressure gradient slp

تعداد نتایج: 1658206  

2013
M. N. Tsimplis F. M. Calafat M. Marcos G. Jordà D. Gomis L. Fenoglio-Marc M. V. Struglia S. A. Josey D. P. Chambers

[1] Sea level in the Mediterranean Sea over the period 1993–2011 is studied on the basis of altimetry, temperature, and salinity data and gravity measurements from Gravity Recovery and Climate Experiment (GRACE) (2002–2010). An observed increase in sea level corresponds to a linear sea level trend of 3.0 0.5mm/yr dominated by the increase in the oceanic mass in the basin. The increase in sea le...

Journal: :پژوهش های جغرافیای طبیعی 0
فرامرز خوش اخلاق استادیار دانشکدة جغرافیا، دانشگاه تهران رضا صفایی راد دانشجوی دکتری اقلیم شناسی، دانشکدة جغرافیا، دانشگاه تهران داود سلمانی کارشناس ارشد اقلیم شناسی، دانشکدة جغرافیا، دانشگاه تهران

extended abstractintroduction the recognition of behaviors of the atmospheric circulation patterns and effective climatic elements in occurrence of flood is very important, especially because abnormal climate changes such as global warming in recent years tend to change in atmospheric circulation patterns and outbreak climatic inelegances in many areas in the world. intensive and torrential pre...

2016
Daniel Garaboa-Paz Nieves Lorenzo Vicente Pérez-Munũzuri

Seasonal forecasts have improved during the last decades, mostly due to an increase of understanding of the coupled ocean-atmosphere dynamics, and the development of models able to predict the atmosphere variability. Correlations between different teleconnection patterns and severe weather in different parts of the world have also evolved during the last years. This paper evaluates the connecti...

2004
S. Kaspari P. A. Mayewski D. A. Dixon S. B. Sneed M. J. Handley

Sixteen high-resolution marine aerosol (Na, SO4 ) records from spatially distributed International Trans Antarctic Scientific Expedition (ITASE) ice cores spanning the last ~200 years from the Pine Island-Thwaites and Ross drainage systems and the South Pole are used to examine sources (sea spray and frost flowers) and transport pathways of marine aerosols into West Antarctica. Factors contribu...

2005
HAIMING XU SHANG-PING XIE YUQING WANG

Subseasonal variability of the stratus/stratocumulus cloud deck over the subtropical southeast Pacific is studied using satellite and buoy observations as well as the NCEP–NCAR reanalysis. It is found that subseasonal variability in the stratus cloud deck is closely related to variations in surface wind velocity, water vapor, sea level pressure, and 500-hPa geopotential height. An increase in c...

2015
Yu-Chiao Liang Jin-Yi Yu Min-Hui Lo Chunzai Wang

This study finds that the El Niño influences on the summer Great Plains low-level jet (GPLLJ) are different for the Central Pacific (CP) and Eastern Pacific (EP) types during their decaying phases. While the CP El Niño induces negative sea level pressure anomalies over the Gulf of Mexico to drive anomalous northerly winds weakening the GPLLJ, the EP El Niño intensifies theGPLLJ by inducing anom...

2009
Jianjun Yin Michael E. Schlesinger Ronald J. Stouffer

Human-induced climate change could cause global sea-level rise. Through the dynamic adjustment of the sea surface in response to a possible slowdown of the Atlantic meridional overturning circulation1,2, a warming climate could also affect regional sea levels, especially in the North Atlantic region3, leading to high vulnerability for low-lying Florida and western Europe4–6. Here we analyse cli...

Journal: :iranian journal of science and technology (sciences) 2012
a. r. saadatabadi

in this study, a new array of meteorological elements and a synoptic climatologic classification to produce abaseline climate and to derive meteorological factors that are effective on air pollution in tehran, which is located in a semi-enclosed basin was developed. the data set includes daily sea-level pressure and 500mb geopotential height fields from ncep-ncar and tehran upper air sounding d...

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