نتایج جستجو برای: sea level fluctuation
تعداد نتایج: 1214149 فیلتر نتایج به سال:
for study of different types of stromatolites, their modes of growth and their relation to sequence stratigraphy within the derinjal formation, three stratigraphic sections at dahuieh, gatkueih and gazueih in se and e of zarand (nw kerman), were measured and sampled with thickness of 160, 140 and 130 meter, respectively. modes of sediment accretion, trapping and binding of sedimentary grains, t...
identification of spatial-temporal anomalies sea level pressure in iran was the main aim in this research. for this purpose six hourly data used from the to eastern longitude and to northern latitude. in this location, there are 825 pixels to geographical degree. therefore, database extent created. in this matrix, 825 are number of the pixels at that location and 90520 is number of six hourly s...
Measuring sea level change and understanding its causes has considerably improved in the recent years, essentially because new in situ and remote sensing observations have become available. Here we report on most recent results on contemporary sea level rise. We first present sea level observations from tide gauges over the twentieth century and from satellite altimetry since the early 1990s. W...
the main purpose of this study is the survey of the atmospheric low pressure effects at sea level oscillations in the qeshm channel. for this purpose, the curves of the pressure on the persian gulf and oman sea, during the passing of the atmospheric low pressure system, are extracted across the region. during the time of occurrence of these events, sea level oscillations in the coastal areas of...
Bilal U. Haq and his co-workers have completed an important update of the chronology of coastal onlap and eustatic fluctuations in Mesozoic and Cenozoic time (1). Seismic stratigraphic results are augmented in the new charts by outcrop and well-log studies to document an impressive total of 119 sea level cycles since the beginning of the Triassic. In addition, the Cretaceous results have been p...
Changes in global sea level arising from man's activity is today a subject of wide interest and concern. A number of satellite missions, in Europe and the United States, are aimed at improving our knowledge and understanding of the ongoing changes in sea level. The ERS, Jason, CryoSat, Champ, GRACE and GOCE satellites are all aimed at contributing to aspects of the sea level problem. However, c...
in this research, the correlation between precipitation change in southern coasts of caspian sea and variability of sea level pressure have been analyzed by using environmental to circulation approach at time period 1339- 1383. in this respect, we make use of daily precipitation data of the 12 synoptic stations of studied area at surface data base section and prepare the time series matrix of p...
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