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In sharp contrast, the period between 14,300 and 11,100 years ago, which includes the Younger Dryas interval, was an interval of reduced sea level rise at about 6.0–9.9 mm/yr. Meltwater pulse 1C was centered at 8,000 years ago and produced a rise of 6.5 m in less than 140 years, such that sea levels 5000 years ago were around 3m lower than ...
Reference no. 476 [1] Lake Nakuru is one of the Rift Valley lakes, located at an elevation of 1,754 m (5,755 ft) above sea level. It lies to the south of Nakuru, in the rift valley of Kenya and is protected by Lake Nakuru National Park. The lake's abundance of algae used to attract a vast quantity of flamingos that famously lined the shore.
The main causes of water scarcity in Africa are physical and economic water scarcity, rapid population growth, and the effects of climate change on the water cycle. Water scarcity is the lack of fresh water resources to meet the standard water demand. [1] The rainfall in sub-Saharan Africa is highly seasonal and unevenly distributed, leading to ...
Contents. Environmental issues in the Niger Delta. An oil spill in the fishing village of Kegbara-Dere, Rivers State on the Niger Delta. In 2016 Shell paid US$80 million for the spill [ 1 ] Petroleum extraction in the Niger Delta has lead to many environmental issues. [ 2 ][ 3 ] The delta covers 20,000 km 2 (7,700 sq mi) within wetlands of ...
Messinian salinity crisis. Artistic interpretation of the Mediterranean geography during its evaporative drawdown, after complete disconnection from the Atlantic. The rivers carved deep gorges in the exposed continental margins; The concentration of salt in the remaining water bodies led to rapid precipitation of the salt.
The sea-level curve (also known as the eustatic curve) is the representation of the changes of the sea level relative to present day mean sea level as gleaned from the stratigraphic record throughout the geological history. The first such curve is the Vail curve or Exxon curve. The names of the curve refer to the fact that in 1977 a team of ...
Hartbeespoort Dam(also known as Harties) is an arch type dam situated in the North West Provinceof South Africa. It lies in a valleyto the south of the Magaliesbergmountain range and north of the Witwatersberg mountain range, about 35 kilometres north west of Johannesburgand 20 kilometres west of Pretoria. The name of the dam means "dam at the ...
Between 1901 and 2018, the average sea level rose by 15–25 cm (6–10 in), with an increase of 2.3 mm (0.091 in) per year since the 1970s. [44]: 1216 This was faster than the sea level had ever risen over at least the past 3,000 years. [44]: 1216 The rate accelerated to 4.62 mm (0.182 in)/yr for the decade 2013–2022. [45]