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Title: Water Chemistry of Hot Springs in Gizan Area of Saudi Arabia
Authors: Basahy, A.Y.
Keywords: Chemistry
Hot Springs
Gizan Area
Saudi Arabia
تاريخ النشر: 1994
Publisher: King Saud University
Citation: Journal of King Saud University, Science: 6 (1); 23-29
Abstract: The water chemistry of two natural hot springs in the Gizan area was studied with particular reference to the water quality of another spring in the middle part of Saudi Arabia. The mean maximum temperatures and pH values recorded were 50C and 8.1 for Ain AI-Harra and 57C and 7.8 for Ain AI-Khoba respectively. Conductivity was 3200 JLS cm-l for Ain AI-Harra, 2700 JLS cm-l for Ain AI-Khoba, which was higher than at AI-Qasseem. Sodium at 350 mgl1 and calcium 159 mgl1 are the recorded maxima in comparison to the other hot spring at AI-Qaseem Saudi Arabia. The other relatively high constituents were chloride 346 mgl1 and potassium 347 mgl1. Ammonia and nitrate were found to be below the detection limits of 0.001 mgl1. The elements iron, manganese, magnesium, and zinc were present in Iow quan-tities. Both springs were dominated by blue-green and green algae, which demonstrated a marked temper-ature gradient; blue-green algae were present at the high temperatures of 45-50"C at Ain AI-Harra and 50- 57C at Ain AI-Khoba, followed by filamentous green algae at lower temperatures in the downstreams.
URI: http://hdl.handle.net/123456789/624
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