🇾🇪 Yemen · Hydraulic works
Sadd al-Arim Secondary Dam
Sabaean Kingdom 750 BCE - 570 CE · Sabaean (Saba) kingdom
750 BCE Sabaean secondary saddle dam (420 m) and north sluice extension of Marib, doubling irrigated area via 2.1 km north canal.
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16 places in the atlas, 7 of them inscribed as UNESCO World Heritage.
🇾🇪 Yemen · Hydraulic works
Sabaean Kingdom 750 BCE - 570 CE · Sabaean (Saba) kingdom
750 BCE Sabaean secondary saddle dam (420 m) and north sluice extension of Marib, doubling irrigated area via 2.1 km north canal.
🇾🇪 Yemen · Hydraulic works
Sabaean Kingdom 800 BCE - 570 CE · Sabaean (Saba) kingdom
800 BCE Sabaean gorge regulator dam (90 m) 2.8 km upstream of Marib, desilting weir for oasis triad.
🇾🇪 Yemen · Hydraulic works
Himyarite–Hadrami to Rasulid · Hadrami kingdom to Rasulid dynasty
Hadramawt highland: 45-m crescent dam at Shibam hinterland, Himyarite 500 BCE–Rasulid 12th c.
🇾🇪 Yemen · Hydraulic works
Hadhrami Old South Arabian · Hadhramawt kingdom
220-m Hadhrami diversion dam (700 BCE–400 CE) on Wadi Jirdan tributary — Hadramawt palm irrigation.
🇾🇪 Yemen · Hydraulic works
Sabaean Kingdom, Early South Arabian (~1750 BCE – 570 CE) · Sabaean (South Arabian, Kingdom of Saba)
Earthfill diversion dam spanning the Wadi Adhanah and flanked by the limestone North and South Sluices with Sabaean monumental inscriptions.