🇾🇪 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
South Arabian (Sabaean to Himyaritic) · Sabaean Saba and Himyarite
Marib north secondary 750-m earthen with Almaqah sluice temple 50 musnad inscriptions, Sabaean 750 BCE spillway.
🇾🇪 Yemen · Hydraulic works
Sabaean to Himyarite (8th c BCE–6th c CE) · Sabaean / Himyarite
North sluice of Great Dam of Ma'rib (750 BCE–575 CE) — 23-m cut-stone control feeding northern oasis.
🇾🇪 Yemen · Submerged site
South Arabian to Himyarite (c. 500 BCE – 630 CE) · Hadrami / Himyarite
Hadrami sea harbour rock-cut channel 600 m at –0.5 m off Bir Ali – mole with incense altars.
🇾🇪 Yemen · Hydraulic works
Himyarite to Zaydi 380–980 CE Hadramawt east · Himyarite Jirdan Hadramawt then Zaydi highland (Yemen)
Dual spate weirs 85+62×2.8 m gabion with 4 spillways 12 m feeding 6.2 km distributary 38 ha: Himyarite 380 Zaydi 980.
🇾🇪 Yemen · Hydraulic works
Sabaean to Himyarite (7th c BCE–6th c CE) · Sabaean / Himyarite
South sluice of Great Dam of Ma'rib (7th c BCE–575 CE) — 18-m limestone control for the grand southern oasis.
🇾🇪 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 · Submerged site
Qatabanian to Himyarite (c. 700 BCE – 400 CE) · Hadrami South Arabian / Himyarite
Incense road river harbour 200 m silted in Wadi Hadramawt – warehouses sealed 4th c. Himyar sack.
🇾🇪 Yemen · Hydraulic works
Islamic Ziyadid to Rasulid (9th–15th c.) · Tihama Ziyadid–Rasulid
Zabid Tihama: 5 earthen ogma spate spurs forming 35 km² delta at UNESCO Zabid 14.20N.
🇾🇪 Yemen · Hydraulic works
Sabaean to Himyarite · Kingdom of Saba (Sabaean South Arabian) then Himyar
480-m east rockfill barrage of Great Marib Dam at Balaq Hills gap.
🇾🇪 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.
🇾🇪 Yemen · Hydraulic works
Sabaean to Himyarite (800 BCE – 575 CE) · Sabaean Kingdom (Saba) and Himyarite maintenance
South dam and spillway of Sabaean 763 m rock-fill marvel feeding southern oasis.