Sea Level Fluctuation on the Atlantic Margin of Africa During the Past 125,000 Years

2008 ◽  
pp. 227-232
Author(s):  
P. Giresse
Keyword(s):  
Sea Level ◽  
Level Fluctuation ◽  
The Past ◽  
Sea Level Fluctuation ◽  
Atlantic Margin

Sea Level Fluctuation During the Past 6000 yr at the Coast of Mauritania

1974 ◽  
Vol 4 (3) ◽  
pp. 282-289 ◽  
Author(s):  
G. Einsele ◽  
D. Herm ◽  
H.U. Schwarz
Keyword(s):  
Sea Level ◽  
High Accuracy ◽  
Level Fluctuation ◽  
Sea Level Changes ◽  
Tidal Zone ◽  
The Past ◽  
Marine Terraces ◽  
Open Sea ◽  
Sea Level Fluctuation ◽  
Ecological Methods

In an area regarded to be very favorable for the study of Holocene sea level changes one or several eustatic (?) oscillations of sea have been found using sedimentological and ecological methods. After a maximum of +3 m during the Nouakchottian stage (= Middle Flandrian or Late Atlantic) about 5500 YBP a drop of sea to −3.5 ± 0.5 m about 4100 YBP is testified by stromatolitic algae indicating the former sea level within the tidal zone with high accuracy. This evidence is supported by the observation of post-Nouakchottian regressive and transgressive geologic sequences, by buried beach deposits and flooded hardgrounds, post-Nouakchottian marine terraces of different height and age, the cutting off of one large and several small bays from the open sea, etc. Possibly one or two smaller oscillations followed between 4000 and 1500 YBP (derived sea level curve Fig. 3).

U-series and amino-acid racemization geochronology of Bermuda: Implications for eustatic sea-level fluctuation over the past 250,000 years

1983 ◽  
Vol 44 (1-2) ◽  
pp. 41-70 ◽  
Author(s):  
Russell S. Harmon ◽  
Richard M. Mitterer ◽  
Nivat Kriausakul ◽  
Lynton S. Land ◽  
Henry P. Schwarcz ◽  
...  
Keyword(s):  
Amino Acid ◽  
Sea Level ◽  
Level Fluctuation ◽  
Amino Acid Racemization ◽  
The Past ◽  
Sea Level Fluctuation

A Near-Uniform Basin-Wide Sea Level Fluctuation of the Mediterranean Sea

2007 ◽  
Vol 37 (2) ◽  
pp. 338-358 ◽  
Author(s):  
Ichiro Fukumori ◽  
Dimitris Menemenlis ◽  
Tong Lee
Keyword(s):  
Atlantic Ocean ◽  
Mediterranean Sea ◽  
Sea Level ◽  
Ocean Circulation ◽  
Large Scale ◽  
Circulation Model ◽  
Level Fluctuation ◽  
Strait Of Gibraltar ◽  
Sea Level Fluctuation ◽  
The Mediterranean

Abstract A new basin-wide oscillation of the Mediterranean Sea is identified and analyzed using sea level observations from the Ocean Topography Experiment (TOPEX)/Poseidon satellite altimeter and a numerical ocean circulation model. More than 50% of the large-scale, nontidal, and non-pressure-driven variance of sea level can be attributed to this oscillation, which is nearly uniform in phase and amplitude across the entire basin. The oscillation has periods ranging from 10 days to several years and has a magnitude as large as 10 cm. The model suggests that the fluctuations are driven by winds at the Strait of Gibraltar and its neighboring region, including the Alboran Sea and a part of the Atlantic Ocean immediately to the west of the strait. Winds in this region force a net mass flux through the Strait of Gibraltar to which the Mediterranean Sea adjusts almost uniformly across its entire basin with depth-independent pressure perturbations. The wind-driven response can be explained in part by wind setup; a near-stationary balance is established between the along-strait wind in this forcing region and the sea level difference between the Mediterranean Sea and the Atlantic Ocean. The amplitude of this basin-wide wind-driven sea level fluctuation is inversely proportional to the setup region’s depth but is insensitive to its width including that of Gibraltar Strait. The wind-driven fluctuation is coherent with atmospheric pressure over the basin and contributes to the apparent deviation of the Mediterranean Sea from an inverse barometer response.

Development of the Volga Delta in Response to Caspian Sea-Level Fluctuation during Last 100 Years

2004 ◽  
Vol 202 ◽  
pp. 401-414 ◽  
Author(s):  
C. X. Li ◽  
V. Ivanov ◽  
D. D. Fan ◽  
V. Korotaev ◽  
S. Y. Yang ◽  
...  
Keyword(s):  
Sea Level ◽  
Caspian Sea ◽  
Level Fluctuation ◽  
Volga Delta ◽  
Sea Level Fluctuation
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