نتایج جستجو برای: introductionpersian gulf is a warm
تعداد نتایج: 14127301 فیلتر نتایج به سال:
cultural iran is a scope that is more extended than the political territories of iran as a political unit. this concept means that cultural geography(mehdi moghanlo-1383-1) of iran is greater than its political geography which, according to history, has a long history extending west-east from kandahar to the euphrates and north-south from the persian gulf to the caucasus including transoxiana a...
based on the latest records of typhlops vermicularis merrem, 1820 from iran, this species is distributed in the northern and southern regions of the country. in this study, new records of typhlops vermicularis are presented and it is shown that distribution range of this species is extended towards the eastern and western iran, and according to the new distribution map, it can be assumed that t...
The Persian Gulf due to its position in subtropical belt is influenced by many intense dust storms during the year. The periodic dust events are expected to affect significantly the ecological condition of the Persian Gulf. The purpose of the present study was to investigate the impact of mineral dust on the primary production in phytoplankton communities of Persian Gulf. Satellite data from Se...
the analysis of net catches made in absheron gulfs of the caspian sea during 2011-2012 is provided. the ichthyofauna of absheron gulfs, including 26 species found in the north gulf, and 33 species and subspecies found in the south gulf was studied for the first time. a taxonomical and ecological diversity of the fish fauna of north and south absheron gulfs is characterized. the peculiarities of...
General circulation of Persian Gulf has a cyclonic pattern that affected by tide, wind stress and thermohaline force. Although tidal force is very effective in values of current speed, but thermohaline force is dominant in long time because tidal forcing has a short period and returning nature. Tide and density parameters are important in navigating and shipping, especially when ships approachi...
Profound changes in concentrations of phytoplankton biomass and rates of primary production in warm-core Gulf Stream rings can occur, apparently in response to nutrient enrichment, within a few months after a ring separates from the Gulf Stream. In Ring 8 1 -D at 3 months of age the dependence on NO,was 2%3 times as high as in the northern Sargasso Sea and in Ring 79-E shortly after formation. ...
The spatial and temporal variability of convection during the North American Monsoon Experiment (NAME) was examined via analysis of three-dimensional polarimetric radar data. Terrain bands were defined as the Gulf of California (over water) and elevations of 0–500 m above mean sea level (MSL; coastal plain), 500–1500 m MSL, and .1500 m MSL. Convective rainfall over the Gulf typically featured t...
The analysis of net catches made in Absheron Gulfs of the Caspian Sea during 2011-2012 is provided. The ichthyofauna of Absheron Gulfs, including 26 species found in the North Gulf, and 33 species and subspecies found in the South Gulf was studied for the first time. A taxonomical and ecological diversity of the fish fauna of North and South Absheron Gulfs is characterized. The peculiarities of...
During the first 4 years of the SeaWiFS mission (September 1997 through August 2001), the spring blooms in the Slope Sea increased in magnitude. During the same time, the mean path of the Gulf Stream shifted northward. The northward trend of the Gulf Stream is evidenced in satellite sea-surface temperature imagery as well as in situ temperature, salinity, and current vector information collecte...
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